RadialTetMesh ( const FVector::FReal InnerRadius, const FVector::FReal OuterRadius, const FVector::FReal Height, const int32 RadialSample, const int32 AngularSample, const int32 VerticalSample, const FVector::FReal BulgeDistance, TArray< FIntVector4 >& TetElements, TArray< FVector >& TetVertices )