在用nastran求解时出现这个问题,大家帮我看看是怎么回事。谢谢了 % Y& L" c. I. J! M6 W 6 H4 w. l6 u! F( w' fMesh-Based Errors Summary& f$ L) T1 P" C5 R( P
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ERROR6 M8 P& v' E8 R1 ^. b- [9 k
There is no physical property table assigned to mesh "3d_mesh(1)". ( k9 C. t: @1 x' {ACTION: Edit element collector container and assign a physical property table to it.- D: H' C `$ U% V! r