求助，nastran2011计算的问题

tiw7

最近用patran2011做了一个悬臂梁，发现nastran2011无法计算，f06提示错误：
*** USER FATAL MESSAGE 108 (SCA.MDSolver.Obj.InputFile.InputFile::read)
The input stream data file D:\patran\patrana does not exist.
*** USER WARNING MESSAGE 209 (SCA.MDSolver.Io.AccessAccess.AccessAccess::isEchoSortRequested)
     No stream input file has been converted to its binary form using StreamToBinary.
The ECHO data returns will all be false.
*** SYSTEM FATAL MESSAGE 501 (SCA.MDSolver.Io.AccessAccess.AccessDatabase:pen)
     Error 1 occured while attempting to open database ./cantilevered.IFPDAT.
^^^     
^^^ >>> IFP OPERATIONS COMPLETE <<<
^^^     
^^^     
^^^ USER   FATAL   MESSAGE 9002 (IFPS)  
^^^ ERROR(S) ENCOUNTERED IN THE    MAIN BULK DATA SECTION   
^^^ SEE MESSAGES ABOVE. ERROR ENCOUNTERED IN MODULE    IFP,   


请大侠帮助！

longlong900730

两种可能，1你输入的文件不是bdf文件，或者dat文件。2.你的pastran文件输出内容有错误