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1 分析对象分为两个部件,分别建立有限元模型,单独计算都没有问题;( [, |$ T$ ?; a/ P/ C! l& m$ t
2 采用assembly fem技术,将两个部件的有限元模型导入,生成最终的分析模型;2 m( W1 [4 s. d2 b+ b
3 为了检查模型能不能计算成功,两个部件间不联接,不加约束,进行模态分析
1 Q2 u* B3 W4 {6 B4 {( c$ ]0 d结果没有计算结果,f06文件中报出如下错误,请高手帮忙分析分析是什么原因:
9 t) `: g3 u1 i8 M' C D% j(说明:模型规模1w单元,计算机4G内存,算这个规模的问题应该没有问题)
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“*** USER FATAL MESSAGE 2050 (AUTOMPC)# m. ]( D' v7 L: W4 `
AUTOMPC PROCESSING ABORTED DUE TO FAILURE TO EXTEND MEMORY SUFFICENTLY
# `! P/ |" f1 |* Z. A, x TO KEEP THE EXPANDING CONSTRAINT MATRIX IN MEMORY. THIS IS A VERY3 H$ b+ Z, s' q8 ~# ]
UNUSUAL OCCURENCE BUT CAN RESULT FROM A LARGE NUMBER OF DOFS BEING8 Z6 F# \2 X: r" [4 B+ Z+ l
DEFINED IN THE U5 SET. INCREASING THE MEMORY ALLOCATION WILL RESULT IN / z' p' T$ b( p1 u2 E
SUCCESS BUT THE AMOUNT NEEDED MAY BE MORE THAN IS FEASIBLE.
6 F/ m9 v' V$ v& Q6 }3 v- f *** USER INFORMATION MESSAGE 4110 (OUTPX2)
_' f7 F# h# z5 Q# O( t END-OF-DATA SIMULATION ON FORTRAN UNIT 126 C5 }. p2 S. _# ^' n- x* n k) ?3 ~
(MAXIMUM SIZE OF FORTRAN RECORDS WRITTEN = 1 WORDS.)# I! L0 h$ Q$ |3 q' w, `7 \" U
(NUMBER OF FORTRAN RECORDS WRITTEN = 1 RECORDS.)$ M6 }; B B6 Z2 ^+ ?. t
(TOTAL DATA WRITTEN FOR EOF MARKER = 1 WORDS.)
. s0 m( @2 m* c" @ U2 {- J1 APRIL 2, 2010 NX NASTRAN 1/17/09 PAGE 57 J$ w2 D3 Q' a
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