如何指定Nastran的内存分配?

yekai

我建的有限元模型在计算时,系统出现如下错误:
13:43:37  MSC Authorization Information - Checkout Successful (1016, 0)
13:43:37  -------------------------------------------------------------
13:43:37  Acquired 1 license for MSC.Nastran

Unable to allocate /XNSTRN/ Open Core.
  Requested size = 1887539224 bytes (70819018 hex), errno = 0.
13:43:37  MAINAL: *** OPEN CORE MEMORY ALLOCATION FAILED *** ERROR =          1
13:43:37  MAINAL: *** MEMORY REQUESTED =    471884800 ***
13:43:37  MAINAL: *** PROCESSING TERMINATED ***
13:43:37  Analysis complete  8
FORTRAN STOP OPEN CORE Allocation Failed
Real:        2.375 seconds ( 0:00:02.375)
User:        0.078 seconds ( 0:00:00.078)
Sys:         0.031 seconds ( 0:00:00.031)
MSC.Nastran finished Sat Dec 11 13:43:37 ?2004
我使用的计算机的内存是4G,满足系统的使用要求.
请问,该如何修正这个错误?

whoami

记得算流固耦合问题时好像用过，改一下参数设置吧！
缺省值对付常规问题还可以。