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Add unit tests for fillets on transition

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This commit is contained in:
SiboVG 2023-05-11 21:31:36 +02:00
parent ab878a82f0
commit 22e99e8534
1 changed files with 53 additions and 0 deletions
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53
core/test/net/sf/openrocket/rocketcomponent/TrapezoidFinSetTest.java
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@ -52,6 +52,32 @@ public class TrapezoidFinSetTest extends BaseTestCase {
return rkt;
}
private Rocket createFreeformFinOnTransition() {
final Rocket rkt = new Rocket();
final AxialStage stg = new AxialStage();
rkt.addChild(stg);
Transition transition = new Transition();
transition.setLength(0.2);
transition.setForeRadius(0.1);
transition.setAftRadius(0.3);
transition.setShapeType(Transition.Shape.OGIVE);
stg.addChild(transition);
FreeformFinSet fins = new FreeformFinSet();
fins.setFinCount(1);
fins.setAxialOffset(AxialMethod.MIDDLE, 0.0);
fins.setMaterial(Material.newMaterial(Material.Type.BULK, "Fin-Test-Material", 1.0, true));
fins.setThickness(0.005); // == 5 mm
transition.addChild(fins);
fins.setTabLength(0.00);
fins.setFilletRadius(0.0);
rkt.enableEvents();
return rkt;
}
@Test
public void testMultiplicity() {
final TrapezoidFinSet trapFins = new TrapezoidFinSet();
@ -187,6 +213,33 @@ public class TrapezoidFinSetTest extends BaseTestCase {
}
}
@Test
public void testFilletCalculationsOnTransition() {
final Rocket rkt = createFreeformFinOnTransition();
Transition transition = (Transition) rkt.getChild(0).getChild(0);
FinSet fins = (FinSet) rkt.getChild(0).getChild(0).getChild(0);
fins.setFilletRadius(0.005);
fins.setFilletMaterial(Material.newMaterial(Material.Type.BULK, "Fillet-Test-Material", 1.0, true));
// used for fillet and edge calculations:
//
// [1] +--+ [2]
// / \
// / \
// [0] +--------+ [3]
//
assertEquals(0.05, fins.getLength(), EPSILON);
assertEquals("Transition fore radius doesn't match: ", 0.1, transition.getForeRadius(), EPSILON);
assertEquals("Transition aft radius doesn't match: ", 0.3, transition.getAftRadius(), EPSILON);
final Coordinate actVolume = fins.calculateFilletVolumeCentroid();
assertEquals("Fin volume doesn't match: ", 5.973e-07, actVolume.weight, EPSILON);
assertEquals("Fin mass center.x doesn't match: ", 0.024393025, actVolume.x, EPSILON);
assertEquals("Fin mass center.y doesn't match: ", 0.190479957, actVolume.y, EPSILON);
}
@Test
public void testTrapezoidCGComputation() {
{