PHASE 7 INITIALIZED
ELEM. STIFFNESS STORED.
RHS-VECTORS INITIALIZED: ML= 1 ND= 2814 SF.RHSIDE
EXTER. LOAD INITIALIZED: ML= 1 ND= 2814 SF.EXTLOD
CONST.DISP. INITIALIZED: ML= 1 ND= 2814 SF.DISCON
INC. INITIAL STRAIN/STRESS LOAD ADDED TO RHS-VECT: NV= 1 SF.RHSIDE
TOTAL MASS OF FE-MODEL : 0.12425D+09
WEIGHT LOAD R.H.S. : NV= 1 SF.RHSIDE
WEIGHT LOAD EXTERNAL : NV= 1 SF.EXTLOD
SUM OF EXT.LOAD TO CALC: ML= 1 ND= 2814 SF.EXTLOD
SUM OF EXTERNAL LOADS:
======================
LOADSET POSITION TR X TR Y TR Z RO X RO Y RO Z
1 0.0000D+00 -0.1218D+10 0.0000D+00 0.0000D+00 0.0000D+00 -0.2119D+12
ANALYSIS INCLUDES:
PHYSICALLY NONLINEAR BEHAVIOR:
PLASTICITY SECOND NS= 25 TY= 1.000E-04
CRACKING SECANT TD= 6.000E+01 TC= 1.000E-03
ELEMENTLOAD TO RHS-VECT: MC= 1 SF.RESLOD
STEP 1 INITIATED:
LOAD INCREMENT: START STEPS * 1.000E+00
SPARSE: DIM=2742 NNZ(MAT)=19382
NR. OF NEGATIVE EIGENVALUES : NE=4
SOLVE: REDUCTION RES=0.12E+00 (INIT. RES=0.43E+08) NI= 1
SEVERITY : WARNING
ERROR CODE: /DIANA/SO/SO41/0048
ERRORMSG.W: Convergence criterion is not fulfilled, distrust the solution accuracy.
ETA-ENERGY DIAGRAM 0 0.000E+00 8.227E+19
ETA-ENERGY DIAGRAM 1 1.000E+00 -5.889E+33
LINE SEARCH LIMITED TO LOWER BOUND
ETA-ENERGY DIAGRAM 2 1.000E-01 -6.410E+32
LINE SEARCH CONVERGED ON INTERVAL
STEP 1 : FORCE NORM = 1.008E+20 TOLERANCE = 1.000E-03
RELATIVE OUT OF BALANCE FORCE = 1.000E+00 CHECK = FALSE
SPARSE: DIM=2742 NNZ(MAT)=19382
NR. OF NEGATIVE EIGENVALUES : NE=5
SOLVE: REDUCTION RES=0.33E-01 (INIT. RES=0.10E+21) NI= 1
SEVERITY : WARNING
ERROR CODE: /DIANA/SO/SO41/0048
ERRORMSG.W: Convergence criterion is not fulfilled, distrust the solution accuracy.
ETA-ENERGY DIAGRAM 0 0.000E+00 2.783E+45
ETA-ENERGY DIAGRAM 1 1.000E+00 -1.381E+59
LINE SEARCH LIMITED TO LOWER BOUND
ETA-ENERGY DIAGRAM 2 1.000E-01 -1.060E+44
RELATIVE OUT OF BALANCE FORCE = 1.605E+02 CHECK = FALSE
SPARSE: DIM=2742 NNZ(MAT)=19382
NR. OF NEGATIVE EIGENVALUES : NE=6
SOLVE: REDUCTION RES=0.23E-02 (INIT. RES=0.16E+23) NI= 1
SEVERITY : WARNING
ERROR CODE: /DIANA/SO/SO41/0048
ERRORMSG.W: Convergence criterion is not fulfilled, distrust the solution accuracy.
ETA-ENERGY DIAGRAM 0 0.000E+00 -4.347E+43
ETA-ENERGY DIAGRAM 1 1.000E+00 -1.376E+61
LINE SEARCH LIMITED TO LOWER BOUND
ETA-ENERGY DIAGRAM 2 1.000E-01 -1.302E+60
LINE SEARCH CONVERGED ON INTERVAL
RELATIVE OUT OF BALANCE FORCE = 5.326E+13 CHECK = FALSE
SPARSE: DIM=2742 NNZ(MAT)=19382
NR. OF NEGATIVE EIGENVALUES : NE=12
SOLVE: REDUCTION RES=0.61E-01 (INIT. RES=0.54E+34) NI= 1
SEVERITY : WARNING
ERROR CODE: /DIANA/SO/SO41/0048
ERRORMSG.W: Convergence criterion is not fulfilled, distrust the solution accuracy.
ETA-ENERGY DIAGRAM 0 0.000E+00 9.220E+70
ETA-ENERGY DIAGRAM 1 1.000E+00 -1.050E+88
LINE SEARCH LIMITED TO LOWER BOUND
ETA-ENERGY DIAGRAM 2 1.000E-01 -1.050E+87
LINE SEARCH CONVERGED ON INTERVAL
RELATIVE OUT OF BALANCE FORCE = 1.587E+27 CHECK = FALSE
SEVERITY : ABORT
ERROR CODE: /DIANA/AP/LB40/0053
ERRORMSG.A: Divergence occured, iteration method failed.
Use smaller load steps, different iteration procedure or different
control procedure. Restart from a saved FILOS file or rerun the
complete job.
我的隧道施工阶段模拟分析，到了最后一个阶段，警告提示：发散，迭代方法失败。程序提示让采用小一点的荷载步，试过之后的结果也一样。
