API cannot work well in parallel calcultaion

Raheem Sterling_22160 · 2023-07-19T08:03:13+00:00

Hi, I have introduced a contact model, and it works well when number of core is 1, the results was in coincide with analytical solutions, but when the number of cores larger than 1, the simulation was not in my expect, like particles had large velocity and disappeared. What may cause the problem as I described? I am not…