$ This model covers 3D, 2D plane strain and 2d axisymmetric simulations $ with small modifications in the lines below ==>. $mm,s,ton,N,Mpa *KEYWORD *TITLE $# title LS-DYNA keyword deck by LS-PrePost *CONTROL_TERMINATION $# endtim endcyc dtmin endeng endmas nosol 0.015 0 0.0 0.0 0.0 0 *CONTROL_TIMESTEP $# dtinit tssfac isdo tslimt dt2ms lctm erode ms1st 0.0 0.6 *CONTROL_MPP_IO_NODUMP *DATABASE_BINARY_D3PLOT $# dt lcdt beam npltc psetid 1.00000E-4 0 0 0 0 *PART $# title $# pid secid mid eosid hgid grav adpopt tmid 1 1 1 0 0 0 0 0 *MAT_RIGID $# mid ro e pr n couple m alias 1 2.7e-9 7.0e4 0.33 0.0 0.0 0.0 $# cmo con1 con2 1.0 1 7 $#lco or a1 a2 a3 v1 v2 v3 0.0 0.0 0.0 0.0 0.0 0.0 *PART $# title $# pid secid mid eosid hgid grav adpopt tmid 2 1 1 0 0 0 0 0 *PART $# title $# pid secid mid eosid hgid grav adpopt tmid 3 1 1 0 0 0 0 0 *CONSTRAINED_RIGID_BODIES $# pidm pids iflag 1 2 0 2 3 0 *BOUNDARY_PRESCRIBED_MOTION_RIGID $# pid dof vad lcid sf vid death birth 1 2 0 456 0.0 0 0.0 0.0 *DEFINE_CURVE $# lcid sidr sfa sfo offa offo dattyp lcint 456 0 1.0 1.0 0.0 0.0 0 0 $# a1 o1 0.0 -6150.0 1.0000000000e+09 -6150.0 $=============================================================================== *CONTROL_ALE $# dct nadv meth afac bfac cfac dfac efac -1 1 1 -1.0 $# start end aafac vfact prit ebc pref nsidebc $------------------------------------------------------------------------------- $ ==> $ change the include file name and ale multi-material group card $ to switch between 2d pln strain and 3d $ 2d axisymmetric also need to modify *section_beam card *INCLUDE mesh_wedge_2d.k $mesh_wedge_3d.k *SECTION_BEAM $# secid elform 1 7 $ 1 8 $# t1 t2 t3 t4 1.0 1.0 1.0 1.0 $*ALE_STRUCTURED_MULTI-MATERIAL_GROUP_AXISYM $*ALE_STRUCTURED_MULTI-MATERIAL_GROUP *ALE_STRUCTURED_MULTI-MATERIAL_GROUP_PLNEPS $ name mid eosid pref water 4 4 air 5 5 *MAT_NULL $# mid ro pc mu terod cerod ym pr 4 1.026e-9 0.0 0.0 0.0 0.0 0.0 0.0 *EOS_LINEAR_POLYNOMIAL $# eosid c0 c1 c2 c3 c4 c5 c6 4 0.0 2.3 0.0 0.0 0.0 0.0 0.0 $# e0 v0 0.0 0.0 *MAT_NULL $# mid ro pc mu terod cerod ym pr 5 1.293e-12 0.0 0.0 0.0 0.0 0.0 0.0 *EOS_LINEAR_POLYNOMIAL $# eosid c0 c1 c2 c3 c4 c5 c6 5 0.0 0.0 0.0 0.0 0.4 0.4 0.0 $# e0 v0 0.0 0.0 *SET_MULTI_MATERIAL_GROUP_LIST $# ammsid 123 $# ammgid1 ammgid2 ammgid3 ammgid4 ammgid5 ammgid6 ammgid7 ammgid8 water $------------------------------------------------------------------------------- *ALE_STRUCTURED_FSI $# slave master sstyp mstyp mcoup 1 11 2 1 4 -123 $# start end pfac flip 0.0 0.0 -1 *DEFINE_CURVE $# lcid sidr sfa sfo offa offo dattyp lcint 1 0 1.0 1.0 0.0 0.0 0 0 $# a1 o1 0.0 0.0 1.0 1.0 *DATABASE_FSI $# dtout binary 1.00000E-6 $#dbsfi_id sid stype swid convid ndsetid cid 1 1 2 0 0 0 0 *INCLUDE mesh_sale.k $=============================================================================== *END *CONSTRAINED_LAGRANGE_IN_SOLID $# slave master sstyp mstyp mcoup 1 11 2 1 4 -123 $# start end pfac flip 0.0 0.0 -1