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用nastran进行声腔模态计算
出现以下错误提示,请教高手
*** USER FATAL MESSAGE 2049 (GP4)
UNDEFINED GRID POINT 1 HAS A COORDINATE REFERENCED ON A CONSTRAINT CARD.
bdf文件如下
NASTRANinputfilecreatedbythePatran2008r1(MDEnabled)input file translator on August 02, 2012 at 22:09:59.
DirectTextInputforNastranSystemCellSection Direct Text Input for File Management Section
NormalModesAnalysis,DatabaseSOL103 Direct Text Input for Executive Control
CEND
TITLE = MD Nastran job created on 02-Aug-12 at 21:59:02
ECHO = NONE
RESVEC = YES
DirectTextInputforGlobalCaseControlDataSUBCASE1TITLE=Thisisadefaultsubcase.METHOD=1SPC=2VECTOR(SORT1,REAL)=ALLSPCFORCES(SORT1,REAL)=ALL Direct Text Input for this Subcase
BEGIN BULK
PARAM POST -1
PARAM PRTMAXIM YES
EIGRL 1 40 0 MASS
DirectTextInputforBulkData Elements and Element Properties for region : p1
PSOLID 1 1 0 PFLUID
Pset: "p1" will be imported as: "psolid.1"
CHEXA 1 1 1 2 23 22 442 443
464 463.......
Loads for Load Case : Default
SPCADD 2 1
Displacement Constraints of Load Set : b1
SPC1 1 123456 1 THRU 463
SPC1 1 123456 483 484 504 505 525 526.......
Referenced Coordinate Frames
ENDDATA dedc9171
还请高手们帮忙看看,指点一下,感激不尽
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