public static double[] ElasticValues(this Constraint6DOF constraint)
{
return(constraint.IsNull() ? null : new double[]
{
constraint.TranslationalStiffnessX,
constraint.TranslationalStiffnessY,
constraint.TranslationalStiffnessZ,
constraint.RotationalStiffnessX,
constraint.RotationalStiffnessY,
constraint.RotationalStiffnessZ
});
}
public static bool[] Fixities(this Constraint6DOF constraint)
{
return(constraint.IsNull() ? null : new bool[]
{
constraint.TranslationX == DOFType.Fixed,
constraint.TranslationY == DOFType.Fixed,
constraint.TranslationZ == DOFType.Fixed,
constraint.RotationX == DOFType.Fixed,
constraint.RotationY == DOFType.Fixed,
constraint.RotationZ == DOFType.Fixed
});
}
public static bool IsNumericallyDependent(this Constraint6DOF constraint)
{
if (constraint.IsNull())
{
return(false);
}
if (constraint.TranslationX.IsNumericallyDependent())
{
return(true);
}
if (constraint.TranslationY.IsNumericallyDependent())
{
return(true);
}
if (constraint.TranslationZ.IsNumericallyDependent())
{
return(true);
}
if (constraint.RotationX.IsNumericallyDependent())
{
return(true);
}
if (constraint.RotationY.IsNumericallyDependent())
{
return(true);
}
if (constraint.RotationZ.IsNumericallyDependent())
{
return(true);
}
if (constraint.TranslationalStiffnessX != 0)
{
return(true);
}
if (constraint.TranslationalStiffnessY != 0)
{
return(true);
}
if (constraint.TranslationalStiffnessZ != 0)
{
return(true);
}
if (constraint.RotationalStiffnessX != 0)
{
return(true);
}
if (constraint.RotationalStiffnessY != 0)
{
return(true);
}
if (constraint.RotationalStiffnessZ != 0)
{
return(true);
}
return(false);
}
