https://github.com/Xiangyu-Hu/SPHinXsys/blob/7900ebf45c687d98c67e8e0420e50cd50d1bb988/src/shared/materials/base_material.h#L124 In this way, one can use non-dimensional contact density so that it does not dependent on particle mass.
SPHinXsys/src/shared/materials/base_material.h
Line 124 in 7900ebf
In this way, one can use non-dimensional contact density so that it does not dependent on particle mass.