private void ComputeCorrectMinDepositionDistance_CollisionWithPrimaryParticleTwoNeighbors()
{
var r = 1.0;
var pos = new Vector3(0, 0, 100);
var primaryParticle = new PrimaryParticle(0, pos, r);
var handler = new BallisticSingleParticleDepositionHandler();
var pos2 = new Vector3(1, 0, 10);
var pp2 = new PrimaryParticle(1, pos2, r);
var pos3 = new Vector3(1, 0, 5);
var pp3 = new PrimaryParticle(1, pos3, r);
var otherParticles = new List <PrimaryParticle>()
{
pp2, pp3
};
var neighborsList = _neighborslistFactory.Build2DNeighborslist(otherParticles);
var dist = handler.GetDepositionDistance(primaryParticle, otherParticles, neighborsList, otherParticles.GetMaxRadius(), _config.Delta);
var shouldBeDistance = 90 - Math.Sqrt(3);
Assert.Equal(shouldBeDistance, dist);
}
private void ComputeCorrectMinDepositionDistance_NoCollision()
{
var r = 1.0;
var pos = new Vector3(0, 0, 100);
var primaryParticle = new PrimaryParticle(0, pos, r);
var handler = new BallisticSingleParticleDepositionHandler();
var pos2 = new Vector3(5, 0, 10);
var pp2 = new PrimaryParticle(1, pos2, r);
var otherParticles = new List <PrimaryParticle>()
{
pp2
};
var neighborsList = _neighborslistFactory.Build2DNeighborslist(otherParticles);
var dist = handler.GetDepositionDistance(primaryParticle, otherParticles, neighborsList, otherParticles.GetMaxRadius(), _config.Delta);
var shouldBeDistance = primaryParticle.Position.Z - primaryParticle.Radius;
Assert.Equal(shouldBeDistance, dist);
}
private void ComputeCorrectMinDepositionDistance_CollisionWithPrimaryParticleOnlyOneNeighbor()
{
var r = 1.0;
var pos = new Vector3(0, 0, 100);
var primaryParticle = new PrimaryParticle(0, pos, r);
var handler = new BallisticSingleParticleDepositionHandler();
var pos2 = new Vector3(1, 0, 10);
var pp2 = new PrimaryParticle(1, pos2, r);
var otherParticles = new List <PrimaryParticle>()
{
pp2
};
var neighborsList = _neighborslistFactory.Build2DNeighborslist(otherParticles);
var dist = handler.GetDepositionDistance(primaryParticle, otherParticles, neighborsList, otherParticles.GetMaxRadius(), _config.Delta);
// Math.Sqrt(3) results from the square of the combined radius (4) - the distance to centerline.
// This origins from the triangle: final position pp1. position neigbor, center projection neighbor.
var shouldBeDistance = 90 - Math.Sqrt(3);
Assert.Equal(shouldBeDistance, dist);
}