lsdyna小i球碰撞,得到的应力和碰撞力比真实的小很多是什么原因?
$# LS-DYNA Keyword file created by LS-PrePost(R) V4.5.24 - 28Sep2018
$# Created on Apr-14-2022 (17:07:10)
*KEYWORD
*CONTROL_TERMINATION
$# endtim endcyc dtmin endeng endmas nosol
0.2 0 0.0 0.01.000000E8 0
*DATABASE_BINARY_D3PLOT
$# dt lcdt beam npltc psetid
0.01 0 0 0 0
$# ioopt
0
*CONTACT_ERODING_SURFACE_TO_SURFACE_ID
$# cid title
1
$# ssid msid sstyp mstyp sboxid mboxid spr mpr
1 2 3 3 0 0 0 0
$# fs fd dc vc vdc penchk bt dt
0.15 0.15 0.0 0.0 0.0 0 0.01.00000E20
$# sfs sfm sst mst sfst sfmt fsf vsf
1.0 1.0 0.0 0.0 1.0 1.0 1.0 1.0
$# isym erosop iadj
0 1 0
*PART
$# title
spheresolid
$# pid secid mid eosid hgid grav adpopt tmid
1 1 1 0 0 0 0 0
*SECTION_SOLID_TITLE
ice
$# secid elform aet
1 1 0
*MAT_ISOTROPIC_ELASTIC_FAILURE_TITLE
ice
$# mid ro g sigy etan bulk
19.0000E-10 2200.0 2.12 4260.0 5260.0
$# epf prf rem trem
0.35 -4.0 0.0 0.0
*PART
$# title
shell_4p
$# pid secid mid eosid hgid grav adpopt tmid
2 2 2 0 0 0 0 0
*SECTION_SHELL_TITLE
shell
$# 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
50.0 50.0 50.0 50.0 0.0 0.0 0.0 0
*MAT_RIGID_TITLE
shell
$# mid ro e pr n couple m alias
27.85000E-9 210000.0 0.3 0.0 0.0 0.0
$# cmo con1 con2
1.0 7 7
$#lco or a1 a2 a3 v1 v2 v3
0.0 0.0 0.0 0.0 0.0 0.0
*INITIAL_VELOCITY_GENERATION
$#nsid/pid styp omega vx vy vz ivatn icid
1 2 0.0 -1000.0 0.0 0.0 0 0
$# xc yc zc nx ny nz phase irigid
0.0 0.0 0.0 0.0 0.0 0.0 0 0

浩雨 2022年4月29日


















