note that Us field is only use by cfdemSolverIBContinuousForcing but not by cfdemSolverIB, so it may be better to call cfdemCloudIB::calcForcingTerm(...) from cfdemSolverIBContinuousForcing instead of cfdemCloudIB::evolve()
note that Us field is only use by cfdemSolverIBContinuousForcing but not by cfdemSolverIB, so it may be better to call cfdemCloudIB::calcForcingTerm(...) from cfdemSolverIBContinuousForcing instead of cfdemCloudIB::evolve()