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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;- w7 h! o$ l5 ]9 K' X. H' L0 q
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;
4 c# B$ N j6 G" L# D# s. `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& g5 @* P J: V- D p. _
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:& j( G8 G& p- n' ~
(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)8 G1 c9 t( W/ a6 E
1 F+ c: i" s3 Z9 _“*** USER FATAL MESSAGE 2050 (AUTOMPC)
0 _3 w, L4 y% r3 z% z) N6 f% q AUTOMPC PROCESSING ABORTED DUE TO FAILURE TO EXTEND MEMORY SUFFICENTLY# |+ \0 v/ N) F( N% P- _' @
TO KEEP THE EXPANDING CONSTRAINT MATRIX IN MEMORY. THIS IS A VERY7 D" ^4 @5 h+ {
UNUSUAL OCCURENCE BUT CAN RESULT FROM A LARGE NUMBER OF DOFS BEING+ j) ]3 C; Q. f
DEFINED IN THE U5 SET. INCREASING THE MEMORY ALLOCATION WILL RESULT IN 4 u8 e! ]5 F# Q0 n. I- x5 M {
SUCCESS BUT THE AMOUNT NEEDED MAY BE MORE THAN IS FEASIBLE.
5 U0 w% A& h' Y% x1 }5 z" [ *** USER INFORMATION MESSAGE 4110 (OUTPX2)
9 j0 P8 L$ w9 D2 B1 G END-OF-DATA SIMULATION ON FORTRAN UNIT 12
$ r, @+ [+ H% ` (MAXIMUM SIZE OF FORTRAN RECORDS WRITTEN = 1 WORDS.) Q) `) G: h3 u7 e K0 Q! V3 M E
(NUMBER OF FORTRAN RECORDS WRITTEN = 1 RECORDS.)
3 O5 @' w) j5 B! L; _8 ] (TOTAL DATA WRITTEN FOR EOF MARKER = 1 WORDS.)
* l( o5 X/ u; @+ s7 u' }4 P1 APRIL 2, 2010 NX NASTRAN 1/17/09 PAGE 5. _+ d9 k- ]$ ^/ I2 m
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