public ChMaterialCompositeNSC(ChMaterialCompositionStrategy <float> strategy,
ChMaterialSurfaceNSC mat1,
ChMaterialSurfaceNSC mat2)
{
static_friction = strategy.CombineFriction(mat1.static_friction, mat2.static_friction);
sliding_friction = strategy.CombineFriction(mat1.sliding_friction, mat2.sliding_friction);
restitution = strategy.CombineRestitution(mat1.restitution, mat2.restitution);
cohesion = strategy.CombineCohesion(mat1.cohesion, mat2.cohesion);
dampingf = strategy.CombineDamping(mat1.dampingf, mat2.dampingf);
compliance = strategy.CombineCompliance(mat1.compliance, mat2.compliance);
complianceT = strategy.CombineCompliance(mat1.complianceT, mat2.complianceT);
rolling_friction = strategy.CombineFriction(mat1.rolling_friction, mat2.rolling_friction);
spinning_friction = strategy.CombineFriction(mat1.spinning_friction, mat2.spinning_friction);
complianceRoll = strategy.CombineCompliance(mat1.complianceRoll, mat2.complianceRoll);
complianceSpin = strategy.CombineCompliance(mat1.complianceSpin, mat2.complianceSpin);
}
public ChMaterialCompositeSMC(ChMaterialCompositionStrategy <float> strategy,
ChMaterialSurfaceSMC mat1,
ChMaterialSurfaceSMC mat2)
{
float inv_E = (1 - mat1.poisson_ratio * mat1.poisson_ratio) / mat1.young_modulus +
(1 - mat2.poisson_ratio * mat2.poisson_ratio) / mat2.young_modulus;
float inv_G = 2 * (2 - mat1.poisson_ratio) * (1 + mat1.poisson_ratio) / mat1.young_modulus +
2 * (2 - mat2.poisson_ratio) * (1 + mat2.poisson_ratio) / mat2.young_modulus;
E_eff = 1 / inv_E;
G_eff = 1 / inv_G;
mu_eff = strategy.CombineFriction(mat1.static_friction, mat2.static_friction);
cr_eff = strategy.CombineRestitution(mat1.restitution, mat2.restitution);
adhesion_eff = strategy.CombineCohesion(mat1.constant_adhesion, mat2.constant_adhesion);
adhesionMultDMT_eff = strategy.CombineAdhesionMultiplier(mat1.adhesionMultDMT, mat2.adhesionMultDMT);
kn = strategy.CombineStiffnessCoefficient(mat1.kn, mat2.kn);
kt = strategy.CombineStiffnessCoefficient(mat1.kt, mat2.kt);
gn = strategy.CombineDampingCoefficient(mat1.gn, mat2.gn);
gt = strategy.CombineDampingCoefficient(mat1.gt, mat2.gt);
}
