Now I meet an unfamiliar issue. For the solver I had set the relative tolerance as 0.001 and used the direct solution. As the simulation processed, this value was lower than 0.001, but the simulation could not stop until the Maximum number of iteration reached the setting value (50). Finally it showed that :"Failed to find a solution. Maximum number of Newton iterations reached. Returned solution is not converged.". I can't understand that since the relative tolerance was lower than the setting value why It could not converge. Who knows this answer and help me. Thank you very much!!!
↧