sap施工模拟问题！！！！！！

CASE: SG
STAGE NUMBER (OF 74 STAGES) = 48
ENTIRE STRUCTURE IS ACTIVE = NO
CHANGES TO ELEMENTS IN STRUCTURE = ADD ONLY
TIME AT BEGINNING OF STAGE (DAYS) = 329.000000
DURATION OF STAGE (DAYS) = 7.000000
Saved Null Total Iteration Relative Curr Step Curr Sum Max Sum
Steps Steps Steps this Step Unbalance Size of Steps of Steps
( 1 50 200 10/40 1.000000 1.000000 1.000000 1.000000)

* * * W A R N I N G * * *
NOT ENOUGH MEMORY TO SOLVE 85056 EQUATIONS

* * * E R R O R * * * (WHILE RUNNING ANALYSIS)
FACTORIZATION WAS UNSUCCESSFUL, ANALYSIS TERMINATED.

A N A L Y S I S I N C O M P L E T E ! ! 2013/08/15 23:06:05




SAP算到48阶段算不动了。这是什么原因？模型问题还是内存不够？我是2G内存
不考虑收缩徐变可以算完
加上收缩徐变就到48算不动了