Simulation Error “forrtl: severe (157): Program Exception

Simulation Error “forrtl: severe (157): Program Exception – acces violation”

- June 29, 2023 at 3:17 pm
  
  Noah
  Subscriber
  
  Hello,
  in my simulation the following error always appears after a short time:
  Can you please help me to interpret this error message?
  Or rather, how do I solve the error?
  Greeting
- July 3, 2023 at 12:47 pm
  
  Ram Gopisetti
  Ansys Employee
  
  HI, if you need know how to resolve such issues, it is best if you give us the context and what you are trying to do.
  an inline images do help.
  Cheers, Ram
- July 3, 2023 at 2:34 pm
  
  Noah
  Subscriber
  
  Hello,
  I am trying to simulate a simple crash test where simple geometry is deformed using a drop weight.
  I am using a shell plate as a drop weight.
  See Keywords.
  LS-DYNA keyword deck by LS-PrePost
  *CONTROL_ACCURACY
  $# osu inn pidosu iacc exacc
  1 4 0 0
  *CONTROL_BULK_VISCOSITY
  $# q1 q2 type btype tstype
  1.5 0.06 -2 0 0
  *CONTROL_ENERGY
  $# hgen rwen slnten rylen irgen maten drlen disen
  2 2 2 2 2
  *CONTROL_SHELL
  $# wrpang esort irnxx istupd theory bwc miter proj
  20.0 1 -1 4 16 2 1 0
  $# rotascl intgrd lamsht cstyp6 thshel
  1.0 0 0 1 0
  $# psstupd sidt4tu cntco itsflg irquad w-mode stretch icrq
  0 0 0 3 0
  $# nfail1 nfail4 psnfail keepcs delfr drcpsid drcprm intperr
  0 0 0 0 1.0 0
  *CONTROL_TERMINATION
  $# endtim endcyc dtmin endeng endmas nosol
  0.03 0 0.0 0.01.000000E8 0
  *CONTROL_TIMESTEP
  $# dtinit tssfac isdo tslimt dt2ms lctm erode ms1st
  0.0 0.0 0 0.0 0.0 0 0 0
  $# dt2msf dt2mslc imscl unused unused rmscl emscl ihdo
  0.0 0 0 0.0 0
  *DATABASE_NODOUT
  $# dt binary lcur ioopt option1 option2
  0.001 0 0 1 0.0 0
  *DATABASE_RWFORC
  $# dt binary lcur ioopt
  0.001 0 0 1
  *DATABASE_BINARY_D3PLOT
  $# dt lcdt beam npltc psetid
  2.00000E-4 0 0 0 0
  $# ioopt rate cutoff window type pset
  0 0.0 0.0 0.0 0 0
  *CONTACT_FORMING_SURFACE_TO_SURFACE_ID
  $# cid title
  2mass
  $# surfa surfb surfatyp surfbtyp saboxid sbboxid sapr sbpr
  11 8 3 3 0 0 0 0
  $# fs fd dc vc vdc penchk bt dt
  0.2 0.18 0.0 20.0 0 0.01.00000E20
  $# sfsa sfsb sast sbst sfsat sfsbt fsf vsf
  1.0 1.0 0.0 0.0 1.0 1.0 1.0 1.0
  *CONTACT_AUTOMATIC_SINGLE_SURFACE_ID
  $# cid title
  3Selfcontact
  $# surfa surfb surfatyp surfbtyp saboxid sbboxid sapr sbpr
  11 3 0 0 0
  $# fs fd dc vc vdc penchk bt dt
  0.2 0.2 0.0 0.0 0.0 0.01.00000E20
  $# sfsa sfsb sast sbst sfsat sfsbt fsf vsf
  1.5 1.0 1.0 1.0 1.0 1.0
  $# soft sofscl lcidab maxpar sbopt depth bsort frcfrq
  1 0.1 0 1.025 1.0 2 0 1
  $# penmax thkopt shlthk snlog isym i2d3d sldthk sldstf
  0.0 1 2 0 0 0 0.0 0.0
  $# igap ignore dprfac dtstif unused unused flangl cid_rcf
  1 0 0.0 0.0 0.0 0
  *MAT_MODIFIED_JOHNSON_COOK_TITLE
  MAT_107_V2A
  $# mid ro e pr beta xsi cp alpha
  17.90000E-9 200000.0 0.3 1.0 0.95.000000E81.60000E-5
  $# e0dot tr tm t0 flag1 flag2
  1.0 293.0 1673.0 293.0 0.0 1.0
  $# a/siga b/b n/beta0 c/beta1 m/na
  310.0 1000.0 0.65 0.007 1.0
  $# q1/a c1/n q2/alpha0 c2/alpha1
  0.0 0.0 0.0 0.0
  $# dc/dc pd/wc d1/na d2/na d3/na d4/na d5/na
  1.0 150.0 0.0 0.0 0.0 0.0 0.0
  $# tc tauc
  0.0 850.0
  *MAT_RIGID_TITLE
  Fallgewicht
  $# mid ro e pr n couple m alias
  22.00000E-5 200000.0 0.3 0.0 0.0 0.0
  $# cmo con1 con2
  1.0 4 7
  $#lco or a1 a2 a3 v1 v2 v3
  0.0 0.0 0.0 0.0 0.0 0.0
  *PART
  $# title
  mass
  $# pid secid mid eosid hgid grav adpopt tmid
  8 2 2 0 0 0 0 0
  *SECTION_SHELL_TITLE
  mass
  $# secid elform shrf nip propt qr/irid icomp setyp
  2 2 0.8333 2 1.0 0 0 1
  $# t1 t2 t3 t4 nloc marea idof edgset
  1.0 1.0 1.0 1.0 0.0 0.0 0.0 0
  *PART
  $# title
  cylindershell
  $# pid secid mid eosid hgid grav adpopt tmid
  11 1 1 0 1 0 0 0
  *SECTION_SHELL_TITLE
  Shell_2
  $# secid elform shrf nip propt qr/irid icomp setyp
  1 16 0.8333 5 1.0 0 0 1
  $# t1 t2 t3 t4 nloc marea idof edgset
  2.0 2.0 2.0 2.0 0.0 0.0 0.0 0
  *HOURGLASS
  $# hgid ihq qm ibq q1 q2 qb/vdc qw
  1 8 0.03 0 1.5 0.06 0.03 0.03
  
  Unfortunately, this error always occurs and I do not understand what the problem is.