Nastran计算出现 USER FATAL MESSAGE 9994 (BULKIN) 暂无回答 这是哪里的问题呢,.dat和.bdf都有问题吗 *** USER INFORMATION MESSAGE 9991 (SDLWIF) Messages are being generated at include level 0. File: f:/wx/pu_2/fem/gearbox/gearbox_cond.dat *** USER FATAL MESSAGE 9994 (BULKIN) F