Merge pull request #230 from kruland2607/feature-tubefins

Feature tubefins
This commit is contained in:
kruland2607 2015-03-23 03:11:06 -05:00
commit e1cce52e3d
20 changed files with 1462 additions and 104 deletions

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@ -662,6 +662,7 @@ compaddbuttons.Transition = Transition
compaddbuttons.Trapezoidal = Trapezoidal
compaddbuttons.Elliptical = Elliptical
compaddbuttons.Freeform = Freeform
compaddbuttons.Tubefin = Tube fins
compaddbuttons.Launchlug = Launch lug
compaddbuttons.Innercomponent = Inner component
compaddbuttons.Innertube = Inner tube
@ -921,6 +922,15 @@ FreeformFinSetConfig.lbl.clickDrag = Click+drag: Add and move points
FreeformFinSetConfig.lbl.ctrlClick = Ctrl+click: Remove point
FreeformFinSetConfig.lbl.scaleFin = Scale Fin
!TubeFinSetConfig
TubeFinSetCfg.lbl.Nbroffins = Number of fins:
TubeFinSetCfg.lbl.Length = Length:
TubeFinSetCfg.lbl.Outerdiam = Outer diameter:
TubeFinSetCfg.checkbox.Automatic = Automatic
TubeFinSetCfg.lbl.Innerdiam = Inner diameter:
TubeFinSetCfg.lbl.Thickness = Thickness:
TubeFinSetCfg.lbl.Finrotation = Fin rotation:
TubeFinSetCfg.lbl.ttip.Finrotation = The angle of the first fin in the fin set.
!InnerTubeConfig
InnerTubeCfg.tab.Motor = Motor
@ -1379,6 +1389,8 @@ InnerTube.InnerTube = Inner Tube
TrapezoidFinSet.TrapezoidFinSet = Trapezoidal fin set
! FreeformFinSet
FreeformFinSet.FreeformFinSet = Freeform fin set
! TubeFinSEt
TubeFinSet.TubeFinSet = Tube fin set
!MassComponent
MassComponent.MassComponent = Unspecified
MassComponent.Altimeter = Altimeter
@ -1429,6 +1441,7 @@ ComponentIcons.Transition = Transition
ComponentIcons.Trapezoidalfinset = Trapezoidal fin set
ComponentIcons.Ellipticalfinset = Elliptical fin set
ComponentIcons.Freeformfinset = Freeform fin set
ComponentIcons.Tubefinset = Tube fin set
ComponentIcons.Launchlug = Launch lug
ComponentIcons.Innertube = Inner tube
ComponentIcons.Tubecoupler = Tube coupler

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@ -0,0 +1,675 @@
package net.sf.openrocket.aerodynamics.barrowman;
import static java.lang.Math.pow;
import static net.sf.openrocket.util.MathUtil.pow2;
import java.util.Arrays;
import net.sf.openrocket.aerodynamics.AerodynamicForces;
import net.sf.openrocket.aerodynamics.FlightConditions;
import net.sf.openrocket.aerodynamics.Warning;
import net.sf.openrocket.aerodynamics.Warning.Other;
import net.sf.openrocket.aerodynamics.WarningSet;
import net.sf.openrocket.rocketcomponent.FinSet;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.util.Coordinate;
import net.sf.openrocket.util.LinearInterpolator;
import net.sf.openrocket.util.MathUtil;
import net.sf.openrocket.util.PolyInterpolator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Preliminary computation of tube fin aerodynamics.
*
* Uses a complete clone of FinSetCalc modelling each tube fin as 3 individual fins. It does not correctly account for
* fin & tube fin interference.
*
* Changes to BarrowmanCalculator's calculateFrictionDrag are also probably required.
*
* @author kruland
*
*/
public class TubeFinSetCalc extends RocketComponentCalc {
private final static Logger logger = LoggerFactory.getLogger(FinSetCalc.class);
private static final double STALL_ANGLE = (20 * Math.PI / 180);
/** Number of divisions in the fin chords. */
protected static final int DIVISIONS = 48;
protected double macLength = Double.NaN; // MAC length
protected double macLead = Double.NaN; // MAC leading edge position
protected double macSpan = Double.NaN; // MAC spanwise position
protected double finArea = Double.NaN; // Fin area
protected double ar = Double.NaN; // Fin aspect ratio
protected double span = Double.NaN; // Fin span
protected double cosGamma = Double.NaN; // Cosine of midchord sweep angle
protected double cosGammaLead = Double.NaN; // Cosine of leading edge sweep angle
protected double rollSum = Double.NaN; // Roll damping sum term
protected double[] chordLead = new double[DIVISIONS];
protected double[] chordTrail = new double[DIVISIONS];
protected double[] chordLength = new double[DIVISIONS];
private double[] poly = new double[6];
private final double thickness;
private final double bodyRadius;
private final int finCount;
private final double baseRotation;
private final double cantAngle;
protected final int interferenceFinCount;
private final FinSet.CrossSection crossSection;
public TubeFinSetCalc(RocketComponent component) {
super(component);
if (!(component instanceof TubeFinSet)) {
throw new IllegalArgumentException("Illegal component type " + component);
}
TubeFinSet fin = (TubeFinSet) component;
thickness = fin.getThickness();
bodyRadius = fin.getBodyRadius();
finCount = 3 * fin.getFinCount();
baseRotation = fin.getBaseRotation();
cantAngle = 0;
span = 2 * fin.getOuterRadius();
finArea = span * fin.getLength();
crossSection = FinSet.CrossSection.SQUARE;
calculateFinGeometry(fin);
calculatePoly();
interferenceFinCount = calculateInterferenceFinCount(fin);
}
/*
* Calculates the non-axial forces produced by the fins (normal and side forces,
* pitch, yaw and roll moments, CP position, CNa).
*/
@Override
public void calculateNonaxialForces(FlightConditions conditions,
AerodynamicForces forces, WarningSet warnings) {
if (span < 0.001) {
forces.setCm(0);
forces.setCN(0);
forces.setCNa(0);
forces.setCP(Coordinate.NUL);
forces.setCroll(0);
forces.setCrollDamp(0);
forces.setCrollForce(0);
forces.setCside(0);
forces.setCyaw(0);
return;
}
// Add warnings (radius/2 == diameter/4)
if (thickness > bodyRadius / 2) {
warnings.add(Warning.THICK_FIN);
}
warnings.add(new Other("Tube fin support is experimental"));
//////// Calculate CNa. /////////
// One fin without interference (both sub- and supersonic):
double cna1 = calculateFinCNa1(conditions);
// logger.debug("Component cna1 = {}", cna1);
// Multiple fins with fin-fin interference
double cna;
double theta = conditions.getTheta();
double angle = baseRotation;
// Compute basic CNa without interference effects
if (finCount == 1 || finCount == 2) {
// Basic CNa from geometry
double mul = 0;
for (int i = 0; i < finCount; i++) {
mul += MathUtil.pow2(Math.sin(theta - angle));
angle += 2 * Math.PI / finCount;
}
cna = cna1 * mul;
} else {
// Basic CNa assuming full efficiency
cna = cna1 * finCount / 2.0;
}
// logger.debug("Component cna = {}", cna);
// Take into account fin-fin interference effects
switch (interferenceFinCount) {
case 1:
case 2:
case 3:
case 4:
// No interference effect
break;
case 5:
cna *= 0.948;
break;
case 6:
cna *= 0.913;
break;
case 7:
cna *= 0.854;
break;
case 8:
cna *= 0.81;
break;
default:
// Assume 75% efficiency
cna *= 0.75;
break;
}
// Body-fin interference effect
double r = bodyRadius;
double tau = r / (span + r);
if (Double.isNaN(tau) || Double.isInfinite(tau))
tau = 0;
cna *= 1 + tau; // Classical Barrowman
// cna *= pow2(1 + tau); // Barrowman thesis (too optimistic??)
// logger.debug("Component cna = {}", cna);
// TODO: LOW: check for fin tip mach cone interference
// (Barrowman thesis pdf-page 40)
// TODO: LOW: fin-fin mach cone effect, MIL-HDBK page 5-25
// Calculate CP position
double x = macLead + calculateCPPos(conditions) * macLength;
// logger.debug("Component macLead = {}", macLead);
// logger.debug("Component macLength = {}", macLength);
// logger.debug("Component x = {}", x);
// Calculate roll forces, reduce forcing above stall angle
// Without body-fin interference effect:
// forces.CrollForce = fins * (macSpan+r) * cna1 * component.getCantAngle() /
// conditions.getRefLength();
// With body-fin interference effect:
forces.setCrollForce(finCount * (macSpan + r) * cna1 * (1 + tau) * cantAngle / conditions.getRefLength());
if (conditions.getAOA() > STALL_ANGLE) {
// System.out.println("Fin stalling in roll");
forces.setCrollForce(forces.getCrollForce() * MathUtil.clamp(
1 - (conditions.getAOA() - STALL_ANGLE) / (STALL_ANGLE / 2), 0, 1));
}
forces.setCrollDamp(calculateDampingMoment(conditions));
forces.setCroll(forces.getCrollForce() - forces.getCrollDamp());
// System.out.printf(component.getName() + ": roll rate:%.3f force:%.3f damp:%.3f " +
// "total:%.3f\n",
// conditions.getRollRate(), forces.CrollForce, forces.CrollDamp, forces.Croll);
forces.setCNa(cna);
forces.setCN(cna * MathUtil.min(conditions.getAOA(), STALL_ANGLE));
forces.setCP(new Coordinate(x, 0, 0, cna));
forces.setCm(forces.getCN() * x / conditions.getRefLength());
/*
* TODO: HIGH: Compute actual side force and yaw moment.
* This is not currently performed because it produces strange results for
* stable rockets that have two fins in the front part of the fuselage,
* where the rocket flies at an ever-increasing angle of attack. This may
* be due to incorrect computation of pitch/yaw damping moments.
*/
// if (fins == 1 || fins == 2) {
// forces.Cside = fins * cna1 * Math.cos(theta-angle) * Math.sin(theta-angle);
// forces.Cyaw = fins * forces.Cside * x / conditions.getRefLength();
// } else {
// forces.Cside = 0;
// forces.Cyaw = 0;
// }
forces.setCside(0);
forces.setCyaw(0);
}
/**
* Returns the MAC length of the fin. This is required in the friction drag
* computation.
*
* @return the MAC length of the fin.
*/
public double getMACLength() {
return macLength;
}
public double getMidchordPos() {
return macLead + 0.5 * macLength;
}
/**
* Pre-calculates the fin geometry values.
*/
protected void calculateFinGeometry(TubeFinSet component) {
ar = 2 * pow2(span) / finArea;
Coordinate[] points = {
Coordinate.NUL,
new Coordinate(0, span),
new Coordinate(component.getLength(), span),
new Coordinate(component.getLength(), 0)
};
// Calculate the chord lead and trail positions and length
Arrays.fill(chordLead, Double.POSITIVE_INFINITY);
Arrays.fill(chordTrail, Double.NEGATIVE_INFINITY);
Arrays.fill(chordLength, 0);
for (int point = 1; point < points.length; point++) {
double x1 = points[point - 1].x;
double y1 = points[point - 1].y;
double x2 = points[point].x;
double y2 = points[point].y;
// Don't use the default EPSILON since it is too small
// and causes too much numerical instability in the computation of x below
if (MathUtil.equals(y1, y2, 0.001))
continue;
int i1 = (int) (y1 * 1.0001 / span * (DIVISIONS - 1));
int i2 = (int) (y2 * 1.0001 / span * (DIVISIONS - 1));
i1 = MathUtil.clamp(i1, 0, DIVISIONS - 1);
i2 = MathUtil.clamp(i2, 0, DIVISIONS - 1);
if (i1 > i2) {
int tmp = i2;
i2 = i1;
i1 = tmp;
}
for (int i = i1; i <= i2; i++) {
// Intersection point (x,y)
double y = i * span / (DIVISIONS - 1);
double x = (y - y2) / (y1 - y2) * x1 + (y1 - y) / (y1 - y2) * x2;
if (x < chordLead[i])
chordLead[i] = x;
if (x > chordTrail[i])
chordTrail[i] = x;
// TODO: LOW: If fin point exactly on chord line, might be counted twice:
if (y1 < y2) {
chordLength[i] -= x;
} else {
chordLength[i] += x;
}
}
}
// Check and correct any inconsistencies
for (int i = 0; i < DIVISIONS; i++) {
if (Double.isInfinite(chordLead[i]) || Double.isInfinite(chordTrail[i]) ||
Double.isNaN(chordLead[i]) || Double.isNaN(chordTrail[i])) {
chordLead[i] = 0;
chordTrail[i] = 0;
}
if (chordLength[i] < 0 || Double.isNaN(chordLength[i])) {
chordLength[i] = 0;
}
if (chordLength[i] > chordTrail[i] - chordLead[i]) {
chordLength[i] = chordTrail[i] - chordLead[i];
}
}
/* Calculate fin properties:
*
* macLength // MAC length
* macLead // MAC leading edge position
* macSpan // MAC spanwise position
* ar // Fin aspect ratio (already set)
* span // Fin span (already set)
*/
macLength = 0;
macLead = 0;
macSpan = 0;
cosGamma = 0;
cosGammaLead = 0;
rollSum = 0;
double area = 0;
double radius = component.getBodyRadius();
final double dy = span / (DIVISIONS - 1);
for (int i = 0; i < DIVISIONS; i++) {
double length = chordTrail[i] - chordLead[i];
double y = i * dy;
macLength += length * length;
logger.debug("macLength = {}, length = {}, i = {}", macLength, length, i);
macSpan += y * length;
macLead += chordLead[i] * length;
area += length;
rollSum += chordLength[i] * pow2(radius + y);
if (i > 0) {
double dx = (chordTrail[i] + chordLead[i]) / 2 - (chordTrail[i - 1] + chordLead[i - 1]) / 2;
cosGamma += dy / MathUtil.hypot(dx, dy);
dx = chordLead[i] - chordLead[i - 1];
cosGammaLead += dy / MathUtil.hypot(dx, dy);
}
}
macLength *= dy;
logger.debug("macLength = {}", macLength);
macSpan *= dy;
macLead *= dy;
area *= dy;
rollSum *= dy;
macLength /= area;
macSpan /= area;
macLead /= area;
cosGamma /= (DIVISIONS - 1);
cosGammaLead /= (DIVISIONS - 1);
}
/////////////// CNa1 calculation ////////////////
private static final double CNA_SUBSONIC = 0.9;
private static final double CNA_SUPERSONIC = 1.5;
private static final double CNA_SUPERSONIC_B = pow(pow2(CNA_SUPERSONIC) - 1, 1.5);
private static final double GAMMA = 1.4;
private static final LinearInterpolator K1, K2, K3;
private static final PolyInterpolator cnaInterpolator = new PolyInterpolator(
new double[] { CNA_SUBSONIC, CNA_SUPERSONIC },
new double[] { CNA_SUBSONIC, CNA_SUPERSONIC },
new double[] { CNA_SUBSONIC }
);
/* Pre-calculate the values for K1, K2 and K3 */
static {
// Up to Mach 5
int n = (int) ((5.0 - CNA_SUPERSONIC) * 10);
double[] x = new double[n];
double[] k1 = new double[n];
double[] k2 = new double[n];
double[] k3 = new double[n];
for (int i = 0; i < n; i++) {
double M = CNA_SUPERSONIC + i * 0.1;
double beta = MathUtil.safeSqrt(M * M - 1);
x[i] = M;
k1[i] = 2.0 / beta;
k2[i] = ((GAMMA + 1) * pow(M, 4) - 4 * pow2(beta)) / (4 * pow(beta, 4));
k3[i] = ((GAMMA + 1) * pow(M, 8) + (2 * pow2(GAMMA) - 7 * GAMMA - 5) * pow(M, 6) +
10 * (GAMMA + 1) * pow(M, 4) + 8) / (6 * pow(beta, 7));
}
K1 = new LinearInterpolator(x, k1);
K2 = new LinearInterpolator(x, k2);
K3 = new LinearInterpolator(x, k3);
// System.out.println("K1[m="+CNA_SUPERSONIC+"] = "+k1[0]);
// System.out.println("K2[m="+CNA_SUPERSONIC+"] = "+k2[0]);
// System.out.println("K3[m="+CNA_SUPERSONIC+"] = "+k3[0]);
}
protected double calculateFinCNa1(FlightConditions conditions) {
double mach = conditions.getMach();
double ref = conditions.getRefArea();
double alpha = MathUtil.min(conditions.getAOA(),
Math.PI - conditions.getAOA(), STALL_ANGLE);
// Subsonic case
if (mach <= CNA_SUBSONIC) {
return 2 * Math.PI * pow2(span) / (1 + MathUtil.safeSqrt(1 + (1 - pow2(mach)) *
pow2(pow2(span) / (finArea * cosGamma)))) / ref;
}
// Supersonic case
if (mach >= CNA_SUPERSONIC) {
return finArea * (K1.getValue(mach) + K2.getValue(mach) * alpha +
K3.getValue(mach) * pow2(alpha)) / ref;
}
// Transonic case, interpolate
double subV, superV;
double subD, superD;
double sq = MathUtil.safeSqrt(1 + (1 - pow2(CNA_SUBSONIC)) * pow2(span * span / (finArea * cosGamma)));
subV = 2 * Math.PI * pow2(span) / ref / (1 + sq);
subD = 2 * mach * Math.PI * pow(span, 6) / (pow2(finArea * cosGamma) * ref *
sq * pow2(1 + sq));
superV = finArea * (K1.getValue(CNA_SUPERSONIC) + K2.getValue(CNA_SUPERSONIC) * alpha +
K3.getValue(CNA_SUPERSONIC) * pow2(alpha)) / ref;
superD = -finArea / ref * 2 * CNA_SUPERSONIC / CNA_SUPERSONIC_B;
// System.out.println("subV="+subV+" superV="+superV+" subD="+subD+" superD="+superD);
return cnaInterpolator.interpolate(mach, subV, superV, subD, superD, 0);
}
private double calculateDampingMoment(FlightConditions conditions) {
double rollRate = conditions.getRollRate();
if (Math.abs(rollRate) < 0.1)
return 0;
double mach = conditions.getMach();
double absRate = Math.abs(rollRate);
/*
* At low speeds and relatively large roll rates (i.e. near apogee) the
* fin tips rotate well above stall angle. In this case sum the chords
* separately.
*/
if (absRate * (bodyRadius + span) / conditions.getVelocity() > 15 * Math.PI / 180) {
double sum = 0;
for (int i = 0; i < DIVISIONS; i++) {
double dist = bodyRadius + span * i / DIVISIONS;
double aoa = Math.min(absRate * dist / conditions.getVelocity(), 15 * Math.PI / 180);
sum += chordLength[i] * dist * aoa;
}
sum = sum * (span / DIVISIONS) * 2 * Math.PI / conditions.getBeta() /
(conditions.getRefArea() * conditions.getRefLength());
// System.out.println("SPECIAL: " +
// (MathUtil.sign(rollRate) *component.getFinCount() * sum));
return MathUtil.sign(rollRate) * finCount * sum;
}
if (mach <= CNA_SUBSONIC) {
// System.out.println("BASIC: "+
// (component.getFinCount() * 2*Math.PI * rollRate * rollSum /
// (conditions.getRefArea() * conditions.getRefLength() *
// conditions.getVelocity() * conditions.getBeta())));
return finCount * 2 * Math.PI * rollRate * rollSum /
(conditions.getRefArea() * conditions.getRefLength() *
conditions.getVelocity() * conditions.getBeta());
}
if (mach >= CNA_SUPERSONIC) {
double vel = conditions.getVelocity();
double k1 = K1.getValue(mach);
double k2 = K2.getValue(mach);
double k3 = K3.getValue(mach);
double sum = 0;
for (int i = 0; i < DIVISIONS; i++) {
double y = i * span / (DIVISIONS - 1);
double angle = rollRate * (bodyRadius + y) / vel;
sum += (k1 * angle + k2 * angle * angle + k3 * angle * angle * angle)
* chordLength[i] * (bodyRadius + y);
}
return finCount * sum * span / (DIVISIONS - 1) /
(conditions.getRefArea() * conditions.getRefLength());
}
// Transonic, do linear interpolation
FlightConditions cond = conditions.clone();
cond.setMach(CNA_SUBSONIC - 0.01);
double subsonic = calculateDampingMoment(cond);
cond.setMach(CNA_SUPERSONIC + 0.01);
double supersonic = calculateDampingMoment(cond);
return subsonic * (CNA_SUPERSONIC - mach) / (CNA_SUPERSONIC - CNA_SUBSONIC) +
supersonic * (mach - CNA_SUBSONIC) / (CNA_SUPERSONIC - CNA_SUBSONIC);
}
/**
* Return the relative position of the CP along the mean aerodynamic chord.
* Below mach 0.5 it is at the quarter chord, above mach 2 calculated using an
* empirical formula, between these two using an interpolation polynomial.
*
* @param cond Mach speed used
* @return CP position along the MAC
*/
private double calculateCPPos(FlightConditions cond) {
double m = cond.getMach();
// logger.debug("m = {} ", m);
if (m <= 0.5) {
// At subsonic speeds CP at quarter chord
return 0.25;
}
if (m >= 2) {
// At supersonic speeds use empirical formula
double beta = cond.getBeta();
return (ar * beta - 0.67) / (2 * ar * beta - 1);
}
// In between use interpolation polynomial
double x = 1.0;
double val = 0;
for (int i = 0; i < poly.length; i++) {
val += poly[i] * x;
x *= m;
}
// logger.debug("val = {}", val);
return val;
}
/**
* Calculate CP position interpolation polynomial coefficients from the
* fin geometry. This is a fifth order polynomial that satisfies
*
* p(0.5)=0.25
* p'(0.5)=0
* p(2) = f(2)
* p'(2) = f'(2)
* p''(2) = 0
* p'''(2) = 0
*
* where f(M) = (ar*sqrt(M^2-1) - 0.67) / (2*ar*sqrt(M^2-1) - 1).
*
* The values were calculated analytically in Mathematica. The coefficients
* are used as poly[0] + poly[1]*x + poly[2]*x^2 + ...
*/
private void calculatePoly() {
double denom = pow2(1 - 3.4641 * ar); // common denominator
poly[5] = (-1.58025 * (-0.728769 + ar) * (-0.192105 + ar)) / denom;
poly[4] = (12.8395 * (-0.725688 + ar) * (-0.19292 + ar)) / denom;
poly[3] = (-39.5062 * (-0.72074 + ar) * (-0.194245 + ar)) / denom;
poly[2] = (55.3086 * (-0.711482 + ar) * (-0.196772 + ar)) / denom;
poly[1] = (-31.6049 * (-0.705375 + ar) * (-0.198476 + ar)) / denom;
poly[0] = (9.16049 * (-0.588838 + ar) * (-0.20624 + ar)) / denom;
}
// @SuppressWarnings("null")
// public static void main(String arg[]) {
// Rocket rocket = TestRocket.makeRocket();
// FinSet finset = null;
//
// Iterator<RocketComponent> iter = rocket.deepIterator();
// while (iter.hasNext()) {
// RocketComponent c = iter.next();
// if (c instanceof FinSet) {
// finset = (FinSet)c;
// break;
// }
// }
//
// ((TrapezoidFinSet)finset).setHeight(0.10);
// ((TrapezoidFinSet)finset).setRootChord(0.10);
// ((TrapezoidFinSet)finset).setTipChord(0.10);
// ((TrapezoidFinSet)finset).setSweep(0.0);
//
//
// FinSetCalc calc = new FinSetCalc(finset);
//
// calc.calculateFinGeometry();
// FlightConditions cond = new FlightConditions(new Configuration(rocket));
// for (double m=0; m < 3; m+=0.05) {
// cond.setMach(m);
// cond.setAOA(0.0*Math.PI/180);
// double cna = calc.calculateFinCNa1(cond);
// System.out.printf("%5.2f "+cna+"\n", m);
// }
//
// }
@Override
public double calculatePressureDragForce(FlightConditions conditions,
double stagnationCD, double baseCD, WarningSet warnings) {
double mach = conditions.getMach();
double drag = 0;
// Pressure fore-drag
if (crossSection == FinSet.CrossSection.AIRFOIL ||
crossSection == FinSet.CrossSection.ROUNDED) {
// Round leading edge
if (mach < 0.9) {
drag = Math.pow(1 - pow2(mach), -0.417) - 1;
} else if (mach < 1) {
drag = 1 - 1.785 * (mach - 0.9);
} else {
drag = 1.214 - 0.502 / pow2(mach) + 0.1095 / pow2(pow2(mach));
}
} else if (crossSection == FinSet.CrossSection.SQUARE) {
drag = stagnationCD;
} else {
throw new UnsupportedOperationException("Unsupported fin profile: " + crossSection);
}
// Slanted leading edge
drag *= pow2(cosGammaLead);
// Trailing edge drag
if (crossSection == FinSet.CrossSection.SQUARE) {
drag += baseCD;
} else if (crossSection == FinSet.CrossSection.ROUNDED) {
drag += baseCD / 2;
}
// Airfoil assumed to have zero base drag
// Scale to correct reference area
drag *= finCount * span * thickness / conditions.getRefArea();
return drag;
}
private static int calculateInterferenceFinCount(TubeFinSet component) {
RocketComponent parent = component.getParent();
if (parent == null) {
throw new IllegalStateException("fin set without parent component");
}
return 3 * component.getFinCount();
}
}

View File

@ -18,6 +18,7 @@ import net.sf.openrocket.rocketcomponent.RadiusRingComponent;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.rocketcomponent.Transition;
import net.sf.openrocket.rocketcomponent.TubeCoupler;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.util.Color;
import net.sf.openrocket.util.Coordinate;
@ -77,7 +78,7 @@ public class DefaultAppearance {
public static Appearance getDefaultAppearance(RocketComponent c) {
if (c instanceof BodyTube)
return ESTES_BT;
if (c instanceof InnerTube || c instanceof TubeCoupler)
if (c instanceof InnerTube || c instanceof TubeCoupler || c instanceof TubeFinSet)
return ESTES_IT;
if (c instanceof FinSet)
return BALSA;

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@ -24,6 +24,7 @@ import net.sf.openrocket.rocketcomponent.Rocket;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.rocketcomponent.Stage;
import net.sf.openrocket.rocketcomponent.TubeCoupler;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.simulation.FlightData;
import net.sf.openrocket.simulation.FlightDataBranch;
import net.sf.openrocket.simulation.FlightDataType;
@ -223,6 +224,7 @@ public class OpenRocketSaver extends RocketSaver {
*
* File version 1.7 is required for:
* - simulation extensions
* - saving tube fins.
*
* File version 1.6 is required for:
* - saving files using appearances and textures, flight configurations.
@ -252,6 +254,13 @@ public class OpenRocketSaver extends RocketSaver {
}
}
// Search the rocket for any TubeFinSet objects (version 1.7)
for (RocketComponent c : document.getRocket()) {
if (c instanceof TubeFinSet) {
return FILE_VERSION_DIVISOR + 7;
}
}
/////////////////
// Version 1.6 //

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@ -40,6 +40,7 @@ import net.sf.openrocket.rocketcomponent.ThicknessRingComponent;
import net.sf.openrocket.rocketcomponent.Transition;
import net.sf.openrocket.rocketcomponent.TrapezoidFinSet;
import net.sf.openrocket.rocketcomponent.TubeCoupler;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.util.BugException;
import net.sf.openrocket.util.Color;
import net.sf.openrocket.util.LineStyle;
@ -69,6 +70,7 @@ class DocumentConfig {
constructors.put("trapezoidfinset", TrapezoidFinSet.class.getConstructor(new Class<?>[0]));
constructors.put("ellipticalfinset", EllipticalFinSet.class.getConstructor(new Class<?>[0]));
constructors.put("freeformfinset", FreeformFinSet.class.getConstructor(new Class<?>[0]));
constructors.put("tubefinset", TubeFinSet.class.getConstructor(new Class<?>[0]));
constructors.put("launchlug", LaunchLug.class.getConstructor(new Class<?>[0]));
// Internal components
@ -230,6 +232,20 @@ class DocumentConfig {
// FreeformFinSet points handled as a special handler
// TubeFinSet
setters.put("TubeFinSet:fincount", new IntSetter(
Reflection.findMethod(TubeFinSet.class, "setFinCount", int.class)));
setters.put("TubeFinSet:rotation", new DoubleSetter(
Reflection.findMethod(TubeFinSet.class, "setBaseRotation", double.class), Math.PI / 180.0));
setters.put("TubeFinSet:thickness", new DoubleSetter(
Reflection.findMethod(TubeFinSet.class, "setThickness", double.class)));
setters.put("TubeFinSet:length", new DoubleSetter(
Reflection.findMethod(TubeFinSet.class, "setLength", double.class)));
setters.put("TubeFinSet:radius", new DoubleSetter(
Reflection.findMethod(TubeFinSet.class, "setOuterRadius", double.class),
"auto",
Reflection.findMethod(TubeFinSet.class, "setOuterRadiusAutomatic", boolean.class)));
// LaunchLug
setters.put("LaunchLug:radius", new DoubleSetter(
Reflection.findMethod(LaunchLug.class, "setOuterRadius", double.class)));
@ -440,4 +456,4 @@ class DocumentConfig {
return Double.NEGATIVE_INFINITY;
return Double.parseDouble(s);
}
}
}

View File

@ -9,6 +9,7 @@ import net.sf.openrocket.rocketcomponent.InternalComponent;
import net.sf.openrocket.rocketcomponent.LaunchLug;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.rocketcomponent.RocketComponent.Position;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
class PositionSetter implements Setter {
@ -40,6 +41,9 @@ class PositionSetter implements Setter {
} else if (c instanceof InternalComponent) {
((InternalComponent) c).setRelativePosition(type);
c.setPositionValue(pos);
} else if (c instanceof TubeFinSet) {
((TubeFinSet) c).setRelativePosition(type);
c.setPositionValue(pos);
} else {
warnings.add(Warning.FILE_INVALID_PARAMETER);
}

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@ -0,0 +1,38 @@
package net.sf.openrocket.file.openrocket.savers;
import java.util.ArrayList;
import java.util.List;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
public class TubeFinSetSaver extends ExternalComponentSaver {
private static final TubeFinSetSaver instance = new TubeFinSetSaver();
public static List<String> getElements(net.sf.openrocket.rocketcomponent.RocketComponent c) {
List<String> list = new ArrayList<String>();
list.add("<tubefinset>");
instance.addParams(c, list);
list.add("</tubefinset>");
return list;
}
@Override
protected void addParams(net.sf.openrocket.rocketcomponent.RocketComponent c, List<String> elements) {
super.addParams(c, elements);
TubeFinSet fins = (TubeFinSet) c;
elements.add("<fincount>" + fins.getFinCount() + "</fincount>");
elements.add("<rotation>" + (fins.getBaseRotation() * 180.0 / Math.PI) + "</rotation>");
if (fins.isOuterRadiusAutomatic())
elements.add("<radius>auto</radius>");
else
elements.add("<radius>" + fins.getOuterRadius() + "</radius>");
elements.add("<length>" + fins.getLength() + "</length>");
elements.add("<thickness>" + fins.getThickness() + "</thickness>");
}
}

View File

@ -281,8 +281,8 @@ public class BodyTube extends SymmetricComponent implements MotorMount, Coaxial
@Override
public double getLongitudinalUnitInertia() {
// 1/12 * (3 * (r1^2 + r2^2) + h^2)
return (3 * (MathUtil.pow2(getInnerRadius())) + MathUtil.pow2(getOuterRadius()) + MathUtil.pow2(getLength())) / 12;
// 1/12 * (3 * (r2^2 + r1^2) + h^2)
return (3 * (MathUtil.pow2(getOuterRadius()) + MathUtil.pow2(getInnerRadius())) + MathUtil.pow2(getLength())) / 12;
}
@Override

View File

@ -86,7 +86,7 @@ public class LaunchLug extends ExternalComponent implements Coaxial {
}
public void setLength(double length) {
if (MathUtil.equals(this.length, length))
return;
@ -95,9 +95,9 @@ public class LaunchLug extends ExternalComponent implements Coaxial {
}
@Override
public void setRelativePosition(RocketComponent.Position position) {
super.setRelativePosition(position);
@ -112,30 +112,30 @@ public class LaunchLug extends ExternalComponent implements Coaxial {
}
@Override
protected void loadFromPreset(ComponentPreset preset) {
if ( preset.has(ComponentPreset.OUTER_DIAMETER) ) {
if (preset.has(ComponentPreset.OUTER_DIAMETER)) {
double outerDiameter = preset.get(ComponentPreset.OUTER_DIAMETER);
this.radius = outerDiameter/2.0;
if ( preset.has(ComponentPreset.INNER_DIAMETER) ) {
this.radius = outerDiameter / 2.0;
if (preset.has(ComponentPreset.INNER_DIAMETER)) {
double innerDiameter = preset.get(ComponentPreset.INNER_DIAMETER);
this.thickness = (outerDiameter-innerDiameter) / 2.0;
this.thickness = (outerDiameter - innerDiameter) / 2.0;
}
}
super.loadFromPreset(preset);
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
}
@Override
public Type getPresetType() {
return ComponentPreset.Type.LAUNCH_LUG;
}
@Override
public Coordinate[] shiftCoordinates(Coordinate[] array) {
array = super.shiftCoordinates(array);
@ -183,8 +183,8 @@ public class LaunchLug extends ExternalComponent implements Coaxial {
}
@Override
public double getComponentVolume() {
return length * Math.PI * (MathUtil.pow2(radius) - MathUtil.pow2(radius - thickness));
@ -211,8 +211,8 @@ public class LaunchLug extends ExternalComponent implements Coaxial {
@Override
public double getLongitudinalUnitInertia() {
// 1/12 * (3 * (r1^2 + r2^2) + h^2)
return (3 * (MathUtil.pow2(getInnerRadius())) + MathUtil.pow2(getOuterRadius()) + MathUtil.pow2(getLength())) / 12;
// 1/12 * (3 * (r2^2 + r1^2) + h^2)
return (3 * (MathUtil.pow2(getOuterRadius()) + MathUtil.pow2(getInnerRadius())) + MathUtil.pow2(getLength())) / 12;
}
@Override

View File

@ -0,0 +1,344 @@
package net.sf.openrocket.rocketcomponent;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import net.sf.openrocket.l10n.Translator;
import net.sf.openrocket.preset.ComponentPreset;
import net.sf.openrocket.preset.ComponentPreset.Type;
import net.sf.openrocket.startup.Application;
import net.sf.openrocket.util.Coordinate;
import net.sf.openrocket.util.MathUtil;
import net.sf.openrocket.util.Transformation;
public class TubeFinSet extends ExternalComponent {
private static final Translator trans = Application.getTranslator();
private final static double DEFAULT_RADIUS = 0.025;
private boolean autoRadius = true; // Radius chosen automatically based on parent component
private double outerRadius = DEFAULT_RADIUS;
protected double thickness = 0.002;
protected int fins = 6;
/**
* Rotation angle of the first fin. Zero corresponds to the positive y-axis.
*/
protected double rotation = 0;
/**
* Rotation about the x-axis by angle this.rotation.
*/
protected Transformation baseRotation = Transformation.rotate_x(rotation);
/**
* Rotation about the x-axis by 2*PI/fins.
*/
protected Transformation finRotation = Transformation.rotate_x(2 * Math.PI / fins);
/**
* New FinSet with given number of fins and given base rotation angle.
* Sets the component relative position to POSITION_RELATIVE_BOTTOM,
* i.e. fins are positioned at the bottom of the parent component.
*/
public TubeFinSet() {
super(RocketComponent.Position.BOTTOM);
length = 0.10;
}
public void setLength(double length) {
if (MathUtil.equals(this.length, length))
return;
this.length = length;
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
}
public boolean isOuterRadiusAutomatic() {
return autoRadius;
}
/**
* Return the outer radius of the body tube.
*
* @return the outside radius of the tube
*/
public double getOuterRadius() {
if (autoRadius) {
// Return auto radius from front or rear
double r = -1;
RocketComponent c = this.getParent();
if (c != null) {
if (c instanceof SymmetricComponent) {
r = ((SymmetricComponent) c).getAftRadius();
}
}
if (r < 0) {
r = DEFAULT_RADIUS;
} else {
// for 5,6, and 8 fins, adjust the diameter to provide touching fins.
switch (fins) {
case 5:
r *= 1.43; // sin(36) / (1- sin(36), 36 = 360/5/2
break;
case 7:
r *= 0.77; // sin(25.7) / (1- sin(25.7)
break;
case 8:
r *= 0.62; // sin(22.5) / (1- sin(22.5)
break;
}
}
return r;
}
return outerRadius;
}
/**
* Set the outer radius of the body tube. If the radius is less than the wall thickness,
* the wall thickness is decreased accordingly of the value of the radius.
* This method sets the automatic radius off.
*
* @param radius the outside radius in standard units
*/
public void setOuterRadius(double radius) {
if ((this.outerRadius == radius) && (autoRadius == false))
return;
this.autoRadius = false;
this.outerRadius = Math.max(radius, 0);
if (this.thickness > this.outerRadius)
this.thickness = this.outerRadius;
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
clearPreset();
}
/**
* Sets whether the radius is selected automatically or not.
*/
public void setOuterRadiusAutomatic(boolean auto) {
if (autoRadius == auto)
return;
autoRadius = auto;
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
clearPreset();
}
public double getInnerRadius() {
return Math.max(getOuterRadius() - thickness, 0);
}
public void setInnerRadius(double r) {
setThickness(getOuterRadius() - r);
}
/**
* Return the component wall thickness.
*/
public double getThickness() {
return Math.min(thickness, getOuterRadius());
}
/**
* Set the component wall thickness. Values greater than the maximum radius are not
* allowed, and will result in setting the thickness to the maximum radius.
*/
public void setThickness(double thickness) {
if ((this.thickness == thickness))
return;
this.thickness = MathUtil.clamp(thickness, 0, getOuterRadius());
fireComponentChangeEvent(ComponentChangeEvent.MASS_CHANGE);
clearPreset();
}
/**
* Return the number of fins in the set.
* @return The number of fins.
*/
public int getFinCount() {
return fins;
}
/**
* Sets the number of fins in the set.
* @param n The number of fins, greater of equal to one.
*/
public void setFinCount(int n) {
if (fins == n)
return;
if (n < 1)
n = 1;
if (n > 8)
n = 8;
fins = n;
finRotation = Transformation.rotate_x(2 * Math.PI / fins);
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
}
/**
* Gets the base rotation amount of the first fin.
* @return The base rotation amount.
*/
public double getBaseRotation() {
return rotation;
}
public double getFinRotation() {
return 2 * Math.PI / fins;
}
/**
* Sets the base rotation amount of the first fin.
* @param r The base rotation amount.
*/
public void setBaseRotation(double r) {
r = MathUtil.reduce180(r);
if (MathUtil.equals(r, rotation))
return;
rotation = r;
baseRotation = Transformation.rotate_x(rotation);
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
}
public Transformation getBaseRotationTransformation() {
return baseRotation;
}
public Transformation getFinRotationTransformation() {
return finRotation;
}
@Override
public void setRelativePosition(RocketComponent.Position position) {
super.setRelativePosition(position);
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
}
@Override
public void setPositionValue(double value) {
super.setPositionValue(value);
fireComponentChangeEvent(ComponentChangeEvent.BOTH_CHANGE);
}
@Override
public double getComponentVolume() {
double or = getOuterRadius();
double ir = getInnerRadius();
double volume = or * or - ir * ir;
volume *= Math.PI;
volume *= length;
volume *= fins;
return volume;
}
@Override
public String getComponentName() {
//// Tube Fin Set
return trans.get("TubeFinSet.TubeFinSet");
}
@Override
public Coordinate getComponentCG() {
double mass = getComponentMass(); // safe
double halflength = length / 2;
if (fins == 1) {
return baseRotation.transform(new Coordinate(halflength, getOuterRadius() + getBodyRadius(), 0, mass));
} else {
return baseRotation.transform(new Coordinate(halflength, 0, 0, mass));
}
}
@Override
public double getLongitudinalUnitInertia() {
// Logitudinal Unit Inertia for a single tube fin.
// 1/12 * (3 * (r1^2 + r2^2) + h^2)
final double inertia = (3 * (MathUtil.pow2(getOuterRadius()) + MathUtil.pow2(getInnerRadius())) + MathUtil.pow2(getLength())) / 12;
if (fins == 1) {
return inertia;
}
// translate each to the center of mass.
final double hypot = getOuterRadius() + getBodyRadius();
final double finrotation = 2 * Math.PI / fins;
double angularoffset = 0.0;
double totalInertia = 0.0;
for (int i = 0; i < fins; i++) {
double offset = hypot * Math.cos(angularoffset);
totalInertia += inertia + MathUtil.pow2(offset);
angularoffset += finrotation;
}
return totalInertia;
}
@Override
public double getRotationalUnitInertia() {
// The rotational inertia of a single fin about its center.
// 1/2 * (r1^2 + r2^2)
double icentermass = (MathUtil.pow2(getInnerRadius()) + MathUtil.pow2(getOuterRadius())) / 2;
if (fins == 1) {
return icentermass;
} else {
// Use parallel axis rule and multiply by number of fins.
return fins * (icentermass + MathUtil.pow2(getOuterRadius()) + getBodyRadius());
}
}
@Override
public boolean allowsChildren() {
return false;
}
@Override
public Type getPresetType() {
return ComponentPreset.Type.BODY_TUBE;
}
@Override
public boolean isCompatible(Class<? extends RocketComponent> type) {
// TODO Auto-generated method stub
return false;
}
@Override
public Collection<Coordinate> getComponentBounds() {
List<Coordinate> bounds = new ArrayList<Coordinate>();
double r = getBodyRadius();
addBound(bounds, 0, 2 * (r + outerRadius));
addBound(bounds, length, 2 * (r + outerRadius));
return bounds;
}
/**
* Return the radius of the BodyComponent the fin set is situated on. Currently
* only supports SymmetricComponents and returns the radius at the starting point of the
* root chord.
*
* @return radius of the underlying BodyComponent or 0 if none exists.
*/
public double getBodyRadius() {
RocketComponent s;
s = this.getParent();
while (s != null) {
if (s instanceof SymmetricComponent) {
double x = this.toRelative(new Coordinate(0, 0, 0), s)[0].x;
return ((SymmetricComponent) s).getRadius(x);
}
s = s.getParent();
}
return 0;
}
}

View File

@ -20,6 +20,7 @@ import net.sf.openrocket.rocketcomponent.LaunchLug;
import net.sf.openrocket.rocketcomponent.MassObject;
import net.sf.openrocket.rocketcomponent.RecoveryDevice;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.simulation.RK4SimulationStepper;
import net.sf.openrocket.util.BugException;
import net.sf.openrocket.util.BuildProperties;
@ -743,6 +744,7 @@ public abstract class Preferences implements ChangeSource {
private static final HashMap<Class<?>, String> DEFAULT_COLORS = new HashMap<Class<?>, String>();
static {
DEFAULT_COLORS.put(BodyComponent.class, "0,0,240");
DEFAULT_COLORS.put(TubeFinSet.class, "0,0,200");
DEFAULT_COLORS.put(FinSet.class, "0,0,200");
DEFAULT_COLORS.put(LaunchLug.class, "0,0,180");
DEFAULT_COLORS.put(InternalComponent.class, "170,0,100");

Binary file not shown.

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@ -0,0 +1,170 @@
package net.sf.openrocket.gui.configdialog;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import net.miginfocom.swing.MigLayout;
import net.sf.openrocket.document.OpenRocketDocument;
import net.sf.openrocket.gui.SpinnerEditor;
import net.sf.openrocket.gui.adaptors.DoubleModel;
import net.sf.openrocket.gui.adaptors.EnumModel;
import net.sf.openrocket.gui.adaptors.IntegerModel;
import net.sf.openrocket.gui.components.BasicSlider;
import net.sf.openrocket.gui.components.UnitSelector;
import net.sf.openrocket.l10n.Translator;
import net.sf.openrocket.material.Material;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.startup.Application;
import net.sf.openrocket.unit.UnitGroup;
public class TubeFinSetConfig extends RocketComponentConfig {
private MotorConfig motorConfigPane = null;
private static final Translator trans = Application.getTranslator();
public TubeFinSetConfig(OpenRocketDocument d, RocketComponent c) {
super(d, c);
JPanel primary = new JPanel(new MigLayout("fill"));
JPanel panel = new JPanel(new MigLayout("gap rel unrel", "[][65lp::][30lp::][]", ""));
//// Number of fins
panel.add(new JLabel(trans.get("TubeFinSetCfg.lbl.Nbroffins")));
IntegerModel im = new IntegerModel(component, "FinCount", 1, 8);
JSpinner spin = new JSpinner(im.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
panel.add(spin, "growx, wrap");
//// Length:
panel.add(new JLabel(trans.get("TubeFinSetCfg.lbl.Length")));
DoubleModel m = new DoubleModel(component, "Length", UnitGroup.UNITS_LENGTH, 0);
spin = new JSpinner(m.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
panel.add(spin, "growx");
panel.add(new UnitSelector(m), "growx");
panel.add(new BasicSlider(m.getSliderModel(0, 0.02, 0.1)), "w 100lp, wrap para");
//// Outer diameter:
panel.add(new JLabel(trans.get("TubeFinSetCfg.lbl.Outerdiam")));
DoubleModel od = new DoubleModel(component, "OuterRadius", 2, UnitGroup.UNITS_LENGTH, 0);
// Diameter = 2*Radius
spin = new JSpinner(od.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
panel.add(spin, "growx");
panel.add(new UnitSelector(od), "growx");
panel.add(new BasicSlider(od.getSliderModel(0, 0.04, 0.2)), "w 100lp, wrap rel");
JCheckBox check = new JCheckBox(od.getAutomaticAction());
//// Automatic
check.setText(trans.get("TubeFinSetCfg.checkbox.Automatic"));
panel.add(check, "skip, span 2, wrap");
//// Inner diameter:
panel.add(new JLabel(trans.get("TubeFinSetCfg.lbl.Innerdiam")));
// Diameter = 2*Radius
m = new DoubleModel(component, "InnerRadius", 2, UnitGroup.UNITS_LENGTH, 0);
spin = new JSpinner(m.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
panel.add(spin, "growx");
panel.add(new UnitSelector(m), "growx");
panel.add(new BasicSlider(m.getSliderModel(new DoubleModel(0), od)), "w 100lp, wrap rel");
//// Wall thickness
//// Thickness:
panel.add(new JLabel(trans.get("TubeFinSetCfg.lbl.Thickness")));
m = new DoubleModel(component, "Thickness", UnitGroup.UNITS_LENGTH, 0);
spin = new JSpinner(m.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
panel.add(spin, "growx");
panel.add(new UnitSelector(m), "growx");
panel.add(new BasicSlider(m.getSliderModel(0, 0.01)), "w 100lp, wrap 20lp");
//// Base rotation
//// Fin rotation:
JLabel label = new JLabel(trans.get("TubeFinSetCfg.lbl.Finrotation"));
//// The angle of the first fin in the fin set.
label.setToolTipText(trans.get("TubeFinSetCfg.lbl.ttip.Finrotation"));
panel.add(label);
m = new DoubleModel(component, "BaseRotation", UnitGroup.UNITS_ANGLE);
spin = new JSpinner(m.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
panel.add(spin, "growx");
panel.add(new UnitSelector(m), "growx");
panel.add(new BasicSlider(m.getSliderModel(-Math.PI, Math.PI)), "w 100lp, wrap");
primary.add(panel, "grow, gapright 20lp");
panel = new JPanel(new MigLayout("gap rel unrel", "[][65lp::][30lp::][]", ""));
//// Position relative to:
panel.add(new JLabel(trans.get("LaunchLugCfg.lbl.Posrelativeto")));
JComboBox combo = new JComboBox(
new EnumModel<RocketComponent.Position>(component, "RelativePosition",
new RocketComponent.Position[] {
RocketComponent.Position.TOP,
RocketComponent.Position.MIDDLE,
RocketComponent.Position.BOTTOM,
RocketComponent.Position.ABSOLUTE
}));
panel.add(combo, "spanx, growx, wrap");
//// plus
panel.add(new JLabel(trans.get("LaunchLugCfg.lbl.plus")), "right");
m = new DoubleModel(component, "PositionValue", UnitGroup.UNITS_LENGTH);
spin = new JSpinner(m.getSpinnerModel());
spin.setEditor(new SpinnerEditor(spin));
panel.add(spin, "growx");
panel.add(new UnitSelector(m), "growx");
panel.add(new BasicSlider(m.getSliderModel(
new DoubleModel(component.getParent(), "Length", -1.0, UnitGroup.UNITS_NONE),
new DoubleModel(component.getParent(), "Length"))),
"w 100lp, wrap para");
//// Material
panel.add(materialPanel(Material.Type.BULK), "span, wrap");
primary.add(panel, "grow");
//// General and General properties
tabbedPane.insertTab(trans.get("LaunchLugCfg.tab.General"), null, primary,
trans.get("LaunchLugCfg.tab.Generalprop"), 0);
tabbedPane.setSelectedIndex(0);
}
@Override
public void updateFields() {
super.updateFields();
}
}

View File

@ -17,6 +17,7 @@ import net.sf.openrocket.rocketcomponent.RingComponent;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import net.sf.openrocket.rocketcomponent.Transition;
import net.sf.openrocket.rocketcomponent.Transition.Shape;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.util.Coordinate;
import org.slf4j.Logger;
@ -28,28 +29,28 @@ import org.slf4j.LoggerFactory;
public class ComponentRenderer {
@SuppressWarnings("unused")
private static final Logger log = LoggerFactory.getLogger(ComponentRenderer.class);
private int LOD = 80;
GLU glu;
GLUquadric q;
FinRenderer fr = new FinRenderer();
public ComponentRenderer() {
}
public void init(GLAutoDrawable drawable) {
glu = new GLU();
q = glu.gluNewQuadric();
glu.gluQuadricTexture(q, true);
}
public void updateFigure(GLAutoDrawable drawable) {
}
public Geometry getGeometry(final RocketComponent c, final Surface which) {
return new Geometry() {
@Override
@ -64,7 +65,7 @@ public class ComponentRenderer {
}
};
}
public Geometry getGeometry(final Motor motor, Surface which) {
return new Geometry() {
@Override
@ -73,20 +74,20 @@ public class ComponentRenderer {
}
};
}
protected void renderGeometry(GL2 gl, RocketComponent c, Surface which) {
if (glu == null)
throw new IllegalStateException(this + " Not Initialized");
glu.gluQuadricNormals(q, GLU.GLU_SMOOTH);
Coordinate[] oo = c.toAbsolute(new Coordinate(0, 0, 0));
for (Coordinate o : oo) {
gl.glPushMatrix();
gl.glTranslated(o.x, o.y, o.z);
if (c instanceof BodyTube) {
renderTube(gl, (BodyTube) c, which);
} else if (c instanceof LaunchLug) {
@ -102,14 +103,16 @@ public class ComponentRenderer {
} else if (c instanceof FinSet) {
if (which == Surface.OUTSIDE)
fr.renderFinSet(gl, (FinSet) c);
} else if (c instanceof TubeFinSet) {
renderTubeFins( gl, (TubeFinSet) c, which);
} else {
renderOther(gl, c);
}
gl.glPopMatrix();
}
}
private void renderOther(GL2 gl, RocketComponent c) {
gl.glBegin(GL.GL_LINES);
for (Coordinate cc : c.getComponentBounds()) {
@ -120,9 +123,9 @@ public class ComponentRenderer {
}
gl.glEnd();
}
private void renderTransition(GL2 gl, Transition t, Surface which) {
if (which == Surface.OUTSIDE || which == Surface.INSIDE) {
gl.glPushMatrix();
gl.glRotated(90, 0, 1.0, 0);
@ -135,7 +138,7 @@ public class ComponentRenderer {
}
gl.glPopMatrix();
}
if (which == Surface.EDGES || which == Surface.INSIDE) {
//Render aft edge
gl.glPushMatrix();
@ -148,7 +151,7 @@ public class ComponentRenderer {
glu.gluDisk(q, Math.max(0, t.getAftRadius() - t.getThickness()), t.getAftRadius(), LOD, 2);
}
gl.glPopMatrix();
// Render AFT shoulder
if (t.getAftShoulderLength() > 0) {
gl.glPushMatrix();
@ -161,7 +164,7 @@ public class ComponentRenderer {
gl.glRotated(90, 0, 1.0, 0);
glu.gluDisk(q, t.getAftShoulderRadius(), t.getAftRadius(), LOD, 2);
gl.glPopMatrix();
} else {
renderTube(gl, Surface.INSIDE, t.getAftShoulderRadius(), iR, t.getAftShoulderLength());
gl.glPushMatrix();
@ -171,7 +174,7 @@ public class ComponentRenderer {
}
gl.glPopMatrix();
}
//Render Fore edge
gl.glPushMatrix();
gl.glRotated(180, 0, 1.0, 0);
@ -183,7 +186,7 @@ public class ComponentRenderer {
glu.gluDisk(q, Math.max(0, t.getForeRadius() - t.getThickness()), t.getForeRadius(), LOD, 2);
}
gl.glPopMatrix();
// Render Fore shoulder
if (t.getForeShoulderLength() > 0) {
gl.glPushMatrix();
@ -197,7 +200,7 @@ public class ComponentRenderer {
gl.glRotated(90, 0, 1.0, 0);
glu.gluDisk(q, t.getForeShoulderRadius(), t.getForeRadius(), LOD, 2);
gl.glPopMatrix();
} else {
renderTube(gl, Surface.INSIDE, t.getForeShoulderRadius(), iR, t.getForeShoulderLength());
gl.glPushMatrix();
@ -207,28 +210,28 @@ public class ComponentRenderer {
}
gl.glPopMatrix();
}
}
}
private void renderTube(final GL2 gl, final Surface which, final double oR, final double iR, final double len) {
gl.glPushMatrix();
//outside
gl.glRotated(90, 0, 1.0, 0);
if (which == Surface.OUTSIDE)
glu.gluCylinder(q, oR, oR, len, LOD, 1);
//edges
gl.glRotated(180, 0, 1.0, 0);
if (which == Surface.EDGES)
glu.gluDisk(q, iR, oR, LOD, 2);
gl.glRotated(180, 0, 1.0, 0);
gl.glTranslated(0, 0, len);
if (which == Surface.EDGES)
glu.gluDisk(q, iR, oR, LOD, 2);
//inside
if (which == Surface.INSIDE) {
glu.gluQuadricOrientation(q, GLU.GLU_INSIDE);
@ -237,59 +240,74 @@ public class ComponentRenderer {
}
gl.glPopMatrix();
}
private void renderTube(GL2 gl, BodyTube t, Surface which) {
renderTube(gl, which, t.getOuterRadius(), t.getInnerRadius(), t.getLength());
}
private void renderRing(GL2 gl, RingComponent r) {
gl.glRotated(90, 0, 1.0, 0);
glu.gluCylinder(q, r.getOuterRadius(), r.getOuterRadius(),
r.getLength(), LOD, 1);
gl.glRotated(180, 0, 1.0, 0);
glu.gluDisk(q, r.getInnerRadius(), r.getOuterRadius(), LOD, 2);
gl.glRotated(180, 0, 1.0, 0);
gl.glTranslated(0, 0, r.getLength());
glu.gluDisk(q, r.getInnerRadius(), r.getOuterRadius(), LOD, 2);
glu.gluQuadricOrientation(q, GLU.GLU_INSIDE);
glu.gluCylinder(q, r.getInnerRadius(), r.getInnerRadius(),
-r.getLength(), LOD, 1);
glu.gluQuadricOrientation(q, GLU.GLU_OUTSIDE);
}
private void renderLug(GL2 gl, LaunchLug t, Surface which) {
renderTube(gl, which, t.getOuterRadius(), t.getInnerRadius(), t.getLength());
}
private void renderTubeFins(GL2 gl, TubeFinSet fs, Surface which) {
gl.glPushMatrix();
gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
System.out.println(fs.getBaseRotation());
gl.glRotated(fs.getBaseRotation() * (180.0 / Math.PI), 1, 0, 0);
for( int i = 0; i< fs.getFinCount(); i++ ) {
gl.glPushMatrix();
gl.glTranslated(0, fs.getOuterRadius() + fs.getBodyRadius(), 0);
renderTube(gl, which, fs.getOuterRadius(), fs.getInnerRadius(), fs.getLength());
gl.glPopMatrix();
gl.glRotated(360.0 / fs.getFinCount(), 1, 0, 0);
}
gl.glPopMatrix();
}
private void renderMassObject(GL2 gl, MassObject o) {
gl.glRotated(90, 0, 1.0, 0);
MassObjectRenderer.drawMassObject(gl, o, LOD / 2, LOD / 2);
}
private void renderMotor(final GL2 gl, Motor motor) {
double l = motor.getLength();
double r = motor.getDiameter() / 2;
gl.glPushMatrix();
gl.glRotated(90, 0, 1.0, 0);
gl.glMatrixMode(GL.GL_TEXTURE);
gl.glPushMatrix();
gl.glTranslated(0, .125, 0);
gl.glScaled(1, .75, 0);
glu.gluCylinder(q, r, r, l, LOD, 1);
gl.glPopMatrix();
gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
{
final double da = (2.0f * Math.PI) / LOD;
final double dt = 1.0 / LOD;
@ -300,14 +318,14 @@ public class ComponentRenderer {
gl.glVertex3d(r * Math.cos(da * i), r * Math.sin(da * i), 0);
gl.glTexCoord2d(i * dt, 0);
gl.glVertex3d(0, 0, 0);
}
gl.glEnd();
}
gl.glTranslated(0, 0, l);
gl.glRotated(180, 0, 1.0, 0);
{
final double da = (2.0f * Math.PI) / LOD;
final double dt = 1.0 / LOD;
@ -321,7 +339,7 @@ public class ComponentRenderer {
}
gl.glEnd();
gl.glBegin(GL.GL_TRIANGLE_STRIP);
for (int i = 0; i < LOD + 1; i++) {
gl.glNormal3d(-Math.cos(da * i), -Math.sin(da * i), -1);
gl.glTexCoord2d(i * dt, .9);

View File

@ -25,9 +25,6 @@ import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.TreePath;
import javax.swing.tree.TreeSelectionModel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import net.miginfocom.swing.MigLayout;
import net.sf.openrocket.document.OpenRocketDocument;
import net.sf.openrocket.gui.components.StyledLabel;
@ -54,12 +51,16 @@ import net.sf.openrocket.rocketcomponent.Streamer;
import net.sf.openrocket.rocketcomponent.Transition;
import net.sf.openrocket.rocketcomponent.TrapezoidFinSet;
import net.sf.openrocket.rocketcomponent.TubeCoupler;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.startup.Application;
import net.sf.openrocket.startup.Preferences;
import net.sf.openrocket.util.BugException;
import net.sf.openrocket.util.Pair;
import net.sf.openrocket.util.Reflection;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A component that contains addition buttons to add different types of rocket components
* to a rocket. It enables and disables buttons according to the current selection of a
@ -122,6 +123,8 @@ public class ComponentAddButtons extends JPanel implements Scrollable {
new FinButton(EllipticalFinSet.class, trans.get("compaddbuttons.Elliptical")),
//// Freeform
new FinButton(FreeformFinSet.class, trans.get("compaddbuttons.Freeform")),
//// Freeform
new FinButton(TubeFinSet.class, trans.get("compaddbuttons.Tubefin")),
//// Launch lug
new FinButton(LaunchLug.class, trans.get("compaddbuttons.Launchlug")));

View File

@ -27,6 +27,7 @@ import net.sf.openrocket.rocketcomponent.Streamer;
import net.sf.openrocket.rocketcomponent.Transition;
import net.sf.openrocket.rocketcomponent.TrapezoidFinSet;
import net.sf.openrocket.rocketcomponent.TubeCoupler;
import net.sf.openrocket.rocketcomponent.TubeFinSet;
import net.sf.openrocket.startup.Application;
public class ComponentIcons {
@ -45,31 +46,25 @@ public class ComponentIcons {
load("nosecone", trans.get("ComponentIcons.Nosecone"), NoseCone.class);
// // Body tube
load("bodytube", trans.get("ComponentIcons.Bodytube"), BodyTube.class);
// // Transition
load("transition", trans.get("ComponentIcons.Transition"),
Transition.class);
// // Trapezoidal fin set
load("trapezoidfin", trans.get("ComponentIcons.Trapezoidalfinset"),
TrapezoidFinSet.class);
// // Elliptical fin set
load("ellipticalfin", trans.get("ComponentIcons.Ellipticalfinset"),
EllipticalFinSet.class);
// // Freeform fin set
load("freeformfin", trans.get("ComponentIcons.Freeformfinset"),
FreeformFinSet.class);
// // Launch lug
load("launchlug", trans.get("ComponentIcons.Launchlug"),
LaunchLug.class);
// // Inner tube
load("innertube", trans.get("ComponentIcons.Innertube"),
InnerTube.class);
// // Tube coupler
load("tubecoupler", trans.get("ComponentIcons.Tubecoupler"),
TubeCoupler.class);
// // Centering ring
load("centeringring", trans.get("ComponentIcons.Centeringring"),
CenteringRing.class);
// // Bulk head
//// Transition
load("transition", trans.get("ComponentIcons.Transition"), Transition.class);
//// Trapezoidal fin set
load("trapezoidfin", trans.get("ComponentIcons.Trapezoidalfinset"), TrapezoidFinSet.class);
//// Elliptical fin set
load("ellipticalfin", trans.get("ComponentIcons.Ellipticalfinset"), EllipticalFinSet.class);
//// Freeform fin set
load("freeformfin", trans.get("ComponentIcons.Freeformfinset"), FreeformFinSet.class);
//// Tube fin set
load("tubefin", trans.get("ComponentIcons.Tubefinset"), TubeFinSet.class);
//// Launch lug
load("launchlug", trans.get("ComponentIcons.Launchlug"), LaunchLug.class);
//// Inner tube
load("innertube", trans.get("ComponentIcons.Innertube"), InnerTube.class);
//// Tube coupler
load("tubecoupler", trans.get("ComponentIcons.Tubecoupler"), TubeCoupler.class);
//// Centering ring
load("centeringring", trans.get("ComponentIcons.Centeringring"), CenteringRing.class);
//// Bulk head
load("bulkhead", trans.get("ComponentIcons.Bulkhead"), Bulkhead.class);
// // Engine block
load("engineblock", trans.get("ComponentIcons.Engineblock"),

View File

@ -0,0 +1,70 @@
package net.sf.openrocket.gui.rocketfigure;
import net.sf.openrocket.util.Coordinate;
import net.sf.openrocket.util.Transformation;
import java.awt.Shape;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
public class TubeFinSetShapes extends RocketComponentShapes {
public static Shape[] getShapesSide(net.sf.openrocket.rocketcomponent.RocketComponent component,
Transformation transformation) {
net.sf.openrocket.rocketcomponent.TubeFinSet finset = (net.sf.openrocket.rocketcomponent.TubeFinSet)component;
int fins = finset.getFinCount();
double length = finset.getLength();
double outerradius = finset.getOuterRadius();
double bodyradius = finset.getBodyRadius();
Coordinate[] start = finset.toAbsolute(new Coordinate(0,0,0));
Transformation baseRotation = finset.getBaseRotationTransformation();
Transformation finRotation = finset.getFinRotationTransformation();
// Translate & rotate the coordinates
for (int i=0; i<start.length; i++) {
start[i] = baseRotation.transform(transformation.transform(start[i].add(0,bodyradius+outerradius,0)));
}
//start = baseRotation.transform(start);
Shape[] s = new Shape[fins];
for (int i=0; i<fins; i++) {
s[i] = new Rectangle2D.Double(start[0].x*S,(start[0].y-outerradius)*S,length*S,2*outerradius*S);
start = finRotation.transform(start);
}
return s;
}
public static Shape[] getShapesBack(net.sf.openrocket.rocketcomponent.RocketComponent component,
Transformation transformation) {
net.sf.openrocket.rocketcomponent.TubeFinSet finset = (net.sf.openrocket.rocketcomponent.TubeFinSet)component;
int fins = finset.getFinCount();
double outerradius = finset.getOuterRadius();
double bodyradius = finset.getBodyRadius();
Coordinate[] start = finset.toAbsolute(new Coordinate(0,0,0));
Transformation baseRotation = finset.getBaseRotationTransformation();
Transformation finRotation = finset.getFinRotationTransformation();
// Translate & rotate the coordinates
for (int i=0; i<start.length; i++) {
start[i] = baseRotation.transform(transformation.transform(start[i].add(0,bodyradius+outerradius,0)));
}
Shape[] s = new Shape[fins];
for (int i=0; i < fins; i++) {
s[i] = new Ellipse2D.Double((start[0].z-outerradius)*S,(start[0].y-outerradius)*S,2*outerradius*S,2*outerradius*S);
start = finRotation.transform(start);
}
return s;
}
}