今天把岩土材料特性改成弹性了，迭代次数改成50次，误差0.001，计算到第四阶段（PHASE 4）均收敛，
但计算第五阶段（PHASE 5）的时候，还没有迭代计算就出现错误，我把部分信息贴到下面，还请达人指点：
【我用得是GTS4.0】
> STEP 1 : FORCE NORM = 1.904E+08 TOLERANCE = 1.000E-03
>
> RELATIVE OUT OF BALANCE FORCE = 6.948E-06 CHECK = TRUE
>
> STEP 1 TERMINATED, CONVERGENCE AFTER 0 ITERATI***
> TOTAL LOAD FACTOR: LOADING( 1) * 1.000E+00
>
> PHASE 4 INITIALIZED
> 33295 EVALUATING ELEMENTDATA
> 33295 CREATING ELEMENTBASES
> 1205 EVALUATING SUPPORTS
> 33295 ASSEMBLING ELEMENTS, CREATING D.O.F.
> 33295 CREATING ELEMENT-TRANSF.MATRICES
> 33295 CREATING ELEMENT-STIFFNESSMATRICES
> 1 INITIALIZING LOADVECTORS
> 33295 SUPERPOSING INIT. STRESS/STRAIN LOADS
> 33295 CALCULATING EQUIV. NODAL MASS FOR ELEMENTS
> 5662 SUPERPOSING EQUIV.NODAL FORCES OF ELEMENTWEIGHT
> 5662 CALCULATING SUM OF EXT.LOADS FOR NODES
> 33295 ELEMENTS TO BE INITIALIZED FOR NONLIN ANALYSIS
> 33295 COPYING TANGENTIAL-STIFFNESSMATRICES
> PROCESSING LOAD VECTORS FOR NONLIN ANALYSIS.
> 33295 SUPERPOSING [ BT ] * < SIGI >:
>
> SOLVING SYSTEM OF EQUATI***
> DOMDEC SOLVER
>
> STEP 1 : FORCE NORM = 1.903E+08 TOLERANCE = 1.000E-03
>
> RELATIVE OUT OF BALANCE FORCE = 1.466E-06 CHECK = TRUE
>
> STEP 1 TERMINATED, CONVERGENCE AFTER 0 ITERATI***
> TOTAL LOAD FACTOR: LOADING( 1) * 1.000E+00
>
> PHASE 5 INITIALIZED
> Recursive Abort or Signal
> 不正常的执行中断！
