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[教程] 扭转梁后悬架 Roll & Vertical Force Analysis 出错

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发表于 2008-11-14 14:36:09 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

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扭转梁后悬架 Roll & Vertical Force Analysis 出错
各位,我现在在做一个扭转梁后悬的k&c仿真,每一种仿真都很好(平行轮跳,反向轮跳,侧向力,纵向力,回正力矩),除了 Roll & Vertical Force 分析,
报错如下:
OUTFOP:IN_FILENM
     ADAMS model file .. baocuo_roll_angle.adm
OUTFOP:OUT_FILES
  
   Default file names for output files
  
     Tabular output file:
     baocuo_roll_angle.out
  
     Diagnostic file    :
     baocuo_roll_angle.msg
  
     Message Database file    :
     baocuo_roll_angle.mdb
  
     Graphics file      :
     baocuo_roll_angle.gra
  
     Request file       :
     baocuo_roll_angle.req
  
     Results file       :
     baocuo_roll_angle.res
  
INVIEW:READMDL
   Input Phase - Reading in Model
  
INVIEW:MESSAGE91
   ***********************************************************
   ADAMS/Solver dataset Title:
   ADAMS/Car Assembly (v2005.0.1 APN-150-312)
   ***********************************************************
INVIEW:READ_MDL
   Reading of model complete.
  
INBASEATABASE
   Input Phase - Populating Solver database
  
TVFLEXEFAULT_C
   A default *non-zero* damping is used for FLEX_BODY/1 (baocuo_roll_angle.zp11_rear_2005_fbs_Hframe1).
   By omitting specifying a damping ratio for FLEX_BODY/1 (baocuo_roll_angle.zp11_rear_2005_fbs_Hframe1)
   you have selected default damping characteristics for the body.
   The default damping is nonzero, as follows:
  
        1% for modes with natural frequency below 100Hz
       10% for modes with natural frequency between 100Hz and 1kHz
      100% for modes with natural frequency above 1kHz
  
   where the damping values denote a percentage of critical damping
   for a given mode.  This may be overridden in one of two ways.
  
      a) by specifying a function expression for CRATIO.  To remove
         damping altogether, set CRATIO = 0.
      b) by specifying CRATIO = USER(...) and supply a DMPSUB
         user written subroutine.
  
INBASE:INP_DONE
   Input Phase Complete.
  
ALVFIL:CPUTIME
   CPU time is 4.68750E-02 seconds.
   
   acar_v2005.0.1/ac_scc_init
   
       Reading ARRAY parameters using the
       ADAMS/Car array statement definitions.
   
   acar_v2005.0.1/ac_scc_init
   
       Checking ARRAY parameters...
VERINP:END_INPUT
   Input and Input Check Phase complete.
GTMODE:NUMB_DOFS
   The system has 58 kinematic degrees of freedom.
GLGETL:USER_CMND
   control/ routine=acarSDM::con950, function=user(950)
SIMUL:STAT_STRT
   Entering the static equilibrium analysis phase...
ICCALCISPL
   Displacement initial condition analysis...
CODGEN:JAC_STAT
  
   Jacobian Matrix Statistics for the Initial Conditions
   ======================================================
   Number of equations ............. = 326
   Number of non-zero entries ...... = 4206
   Percentage of matrix non-zero ... = 3.9576
   Total space used in MD array .... = 258810
  
SIMUL:STAT_CODE
   Performing Static analysis...
SYMBLU:STAT_QASI
   Generating the Jacobian matrix for the statics or quasi-statics problem.
CODGEN:JAC_STAT
  
   Jacobian Matrix Statistics for Statics
   ======================================================
   Number of equations ............. = 792
   Number of non-zero entries ...... = 11222
   Percentage of matrix non-zero ... = 1.7890
   Total space used in MD array .... = 449330
  
  
  
  
  
STATIC:NOCONVERG
---- ERROR ----
   Attempt = 1. No convergence after 25 iterations. Best iteration = 12.
   Trying next attempt with a different set of statics parameters...
  
STATIC:NOCINFO
   For the last attempted iteration the equation with the largest error
   was FIELD baocuo_roll_angle.zp11_rear_2005_bkl_lwr_strut_to_arm_field  Error = 24927.
  
   The variable receiving the largest increment
   was FIELD baocuo_roll_angle.zp11_rear_2005_bkl_upr_strut_to_body_field  Delta = 4834.2
STANAL:STAT_FAIL
---- ERROR ----
   Static equilibrium analysis has not been successful.
SIMUL:RESTORE
   Restoring the input initial conditions...
ERRMES:USER1
---- ERROR ----
   Initial Static Sim. Not Successful
TERM:STATUS
   Termination status=-995
USRMES:USER
   Terminating ADAMS/Car usersubs...
   ID = 1
TERM0:EXE_TERM
  
      ADAMS/Solver execution terminated by subprogram ERRMES
  
TERM0:CP_TIME
   CPU time used = 0.35938 seconds
哪位高手指点下,多谢!!
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