请各位前辈帮帮忙，找不出来哪里不对

MULTI-FRONTAL SOLVER

AVAILABLE MEMORY =   11.1 GBYTES

CONSTRUCTION STEP NO. :    1  /   14     STAGE NO :    1     STEP NO :    1

ENTRY PHASE FOR RENUMBERING

ENTRY NUMBERING_EQN 

ENTRY FORM_STIFF_MASS_LOAD 

THE INDIVIDUAL ELEMENT STIFFNESS AND LOAD MATRICES WILL NOW BE FORMED.

  ELEMENT NO. :    150  OF     176

ENTRY SOLUTION PHASE 

ENTRY LOAD_BLOCK 

TOTAL NUMBER OF VALID DOFS IN MODEL :     906

ENTRY ASSM_STIFF_LOAD ( FORM GLOBAL EQUILIBRIUM EQUATIONS IN BLOCKS )

 

ENTRY STATIC ANALYSIS FOR NONLINEAR. 

  ITERATION NO. :    1      DISPLACEMENT ERROR NORM .. :  0.10000E+01    CONVERGENCE TOLERANCE .. :  0.10000E-01

WARNING : NODE NO.     76  RX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       454

  ITERATION NO. :    2      DISPLACEMENT ERROR NORM .. :  0.00000E+00    CONVERGENCE TOLERANCE .. :  0.10000E-01

  ITERATION NO. :    3      DISPLACEMENT ERROR NORM .. :  0.00000E+00    CONVERGENCE TOLERANCE .. :  0.10000E-01

 

CONSTRUCTION STAGE RESULTS SAVED TO FN.CA6 FILE

 

CONSTRUCTION STEP NO. :    2  /   14     STAGE NO :    1     STEP NO :    2

ENTRY PHASE FOR RENUMBERING

ENTRY NUMBERING_EQN 

ENTRY FORM_STIFF_MASS_LOAD 

THE INDIVIDUAL ELEMENT STIFFNESS AND LOAD MATRICES WILL NOW BE FORMED.

  ELEMENT NO. :    150  OF     176

ENTRY SOLUTION PHASE 

ENTRY LOAD_BLOCK 

TOTAL NUMBER OF VALID DOFS IN MODEL :     906

ENTRY ASSM_STIFF_LOAD ( FORM GLOBAL EQUILIBRIUM EQUATIONS IN BLOCKS )

 

ENTRY STATIC ANALYSIS FOR NONLINEAR. 

  ITERATION NO. :    1      DISPLACEMENT ERROR NORM .. :  0.10000E+01    CONVERGENCE TOLERANCE .. :  0.10000E-01

WARNING : NODE NO.     76  RX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       454

  ITERATION NO. :    2      DISPLACEMENT ERROR NORM .. :  0.10000E+01    CONVERGENCE TOLERANCE .. :  0.10000E-01

  ITERATION NO. :    3      DISPLACEMENT ERROR NORM .. :  0.00000E+00    CONVERGENCE TOLERANCE .. :  0.10000E-01

 

WARNING : DISPLACEMENT DZ AT NODE NO.     17 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     18 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     19 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     20 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     21 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     22 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     23 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     24 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     25 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     26 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     27 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     28 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     29 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     30 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     31 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     32 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     33 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     34 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     35 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     36 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     37 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     38 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     39 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     40 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     41 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     42 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     43 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     44 IS ABNORMAL.

WARNING : DISPLACEMENT DZ AT NODE NO.     45 IS ABNORMAL.

 

 

CONSTRUCTION STAGE RESULTS SAVED TO FN.CA6 FILE

 

CONSTRUCTION STEP NO. :    3  /   14     STAGE NO :    1     STEP NO :    3

ENTRY PHASE FOR RENUMBERING

ENTRY NUMBERING_EQN 

ENTRY FORM_STIFF_MASS_LOAD 

THE INDIVIDUAL ELEMENT STIFFNESS AND LOAD MATRICES WILL NOW BE FORMED.

  ELEMENT NO. :    150  OF     176

ENTRY SOLUTION PHASE 

ENTRY LOAD_BLOCK 

TOTAL NUMBER OF VALID DOFS IN MODEL :     906

ENTRY ASSM_STIFF_LOAD ( FORM GLOBAL EQUILIBRIUM EQUATIONS IN BLOCKS )

 

ENTRY STATIC ANALYSIS FOR NONLINEAR. 

  ITERATION NO. :    1      DISPLACEMENT ERROR NORM .. :  0.10000E+01    CONVERGENCE TOLERANCE .. :  0.10000E-01

WARNING : NODE NO.     76  DX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       451

WARNING : NODE NO.     76  DZ  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       453

WARNING : NODE NO.     76  RX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       454

WARNING : NODE NO.     76  RY  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       455

  ITERATION NO. :    2      DISPLACEMENT ERROR NORM .. :  0.10642E-02    CONVERGENCE TOLERANCE .. :  0.10000E-01

  ITERATION NO. :    3      DISPLACEMENT ERROR NORM .. :  0.00000E+00    CONVERGENCE TOLERANCE .. :  0.10000E-01

 

CONSTRUCTION STAGE RESULTS SAVED TO FN.CA6 FILE

 

CONSTRUCTION STEP NO. :    4  /   14     STAGE NO :    2     STEP NO :    1

ENTRY PHASE FOR RENUMBERING

ENTRY NUMBERING_EQN 

ENTRY FORM_STIFF_MASS_LOAD 

THE INDIVIDUAL ELEMENT STIFFNESS AND LOAD MATRICES WILL NOW BE FORMED.

  ELEMENT NO. :    150  OF     176

ENTRY SOLUTION PHASE 

ENTRY LOAD_BLOCK 

TOTAL NUMBER OF VALID DOFS IN MODEL :     906

ENTRY ASSM_STIFF_LOAD ( FORM GLOBAL EQUILIBRIUM EQUATIONS IN BLOCKS )

 

ENTRY STATIC ANALYSIS FOR NONLINEAR. 

  ITERATION NO. :    1      DISPLACEMENT ERROR NORM .. :  0.10000E+01    CONVERGENCE TOLERANCE .. :  0.10000E-01

WARNING : NODE NO.     76  DX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       451

WARNING : NODE NO.     76  DZ  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       453

WARNING : NODE NO.     76  RX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       454

WARNING : NODE NO.     76  RY  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       455

  ITERATION NO. :    2      DISPLACEMENT ERROR NORM .. :  0.16586E+20    CONVERGENCE TOLERANCE .. :  0.10000E-01

  ITERATION NO. :    3      DISPLACEMENT ERROR NORM .. :  0.30282E+21    CONVERGENCE TOLERANCE .. :  0.10000E-01

  ITERATION NO. :    4      DISPLACEMENT ERROR NORM .. :  0.16631E+20    CONVERGENCE TOLERANCE .. :  0.10000E-01

  ITERATION NO. :    5      DISPLACEMENT ERROR NORM .. :  0.30419E+21    CONVERGENCE TOLERANCE .. :  0.10000E-01

 

CONSTRUCTION STAGE RESULTS SAVED TO FN.CA6 FILE

 

CONSTRUCTION STEP NO. :    5  /   14     STAGE NO :    2     STEP NO :    2

ENTRY PHASE FOR RENUMBERING

ENTRY NUMBERING_EQN 

ENTRY FORM_STIFF_MASS_LOAD 

THE INDIVIDUAL ELEMENT STIFFNESS AND LOAD MATRICES WILL NOW BE FORMED.

  ELEMENT NO. :    150  OF     176

ENTRY SOLUTION PHASE 

ENTRY LOAD_BLOCK 

TOTAL NUMBER OF VALID DOFS IN MODEL :     906

ENTRY ASSM_STIFF_LOAD ( FORM GLOBAL EQUILIBRIUM EQUATIONS IN BLOCKS )

 

ENTRY STATIC ANALYSIS FOR NONLINEAR. 

  ITERATION NO. :    1      DISPLACEMENT ERROR NORM .. :  0.10000E+01    CONVERGENCE TOLERANCE .. :  0.10000E-01

WARNING : NODE NO.     76  DX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       451

WARNING : NODE NO.     76  DZ  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       453

WARNING : NODE NO.     76  RX  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       454

WARNING : NODE NO.     76  RY  DOF MAY BE SINGULAR.

WARNING : EQUATION NO.       455

  ITERATION NO. :    2      DISPLACEMENT ERROR NORM .. :  0.10000E+01    CONVERGENCE TOLERANCE .. :  0.10000E-01

 

ERROR NORM IS NaN or INFINITE

THE PROGRAM IS ABORTED

 

-------------------------------------------------------------

ERRORS ENCOUNTERED.  MIDAS JOB TERMINATED. REFER TO .OUT FILE

-------------------------------------------------------------