n_p               141 src/secOrd_op_solutionDriven_impl.cpp     auto n_p = surface_normal(g);
n_p               144 src/secOrd_op_solutionDriven_impl.cpp     n_p *= u_p * tp.deltaT() * delta * integral_factor;
n_p               148 src/secOrd_op_solutionDriven_impl.cpp     X_p += n_p;