求 ls-dyna 3D 聚能射流 高人指教
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我用ls-dyna做三维聚能射流侵彻钢板。模型由炸药,药型罩,空气,靶板四部分组成。炸药,药型罩,空气采用欧拉网格建模,单元使用多物质ALE算法,靶板采用拉格朗日建模,并且靶板与空气和药型罩采用耦合算法。
线出现的问题如下:
1)当靶板采用*MAT_PLASTIC_KINEMATIC材料模型时,k文件求解时会提示如下错误:
2)当靶板采用J-C材料模型和*EOS_GRUNEISEN状态方程时,k文件求解时会提示如下错误:
当删除靶板时,聚能射流可以正常形成。
k文件关键部分如下,困扰不本人已久,求高人指点,不胜感激,谢了。
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ SECTION DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*SECTION_SOLID_ALE
1 11
*SECTION_SOLID_ALE
2,11
*SECTION_SOLID_ALE
3,11
*SECTION_SOLID
4,0
*ALE_MULTI-MATERIAL_GROUP
1,1
2,1
3,1
*CONSTRAINED_LAGRANGE_IN_SOLID
1,2,0,0,0,5,3,0
0,0,0.15
*SET_PART_LIST
1
4,5
*SET_PART_LIST
2
2,3
*CONTROL_ALE
2,1,2,-1.0,0.0,0.0,0.0
0.0,0.0,0.0
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ MATERIAL DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*MAT_HIGH_EXPLOSIVE_BURN
1,1.787,0.839,0.34,0.0,0.0,0.0,0.0
*EOS_JWL
1,5.814,0.06801,4.1,1.0,0.35,0.09,1.0
*INITIAL_DETONATION
1,0,8.7,0,0
*MAT_ JOHNSON_COOK
2,8.96,0.477
0.9E-3,0.292E-2,0.31,0.25E-1,1.09,0.136E+4,293.,0.1E-5
0.38E-5,-9.0,3.0,0.0,0.0,0.0,0.0,0.0
0.0
*EOS_GRUNEISEN
2,0.394,1.49,0.0,0.0,1.99,0.0,0.0
0.0
*MAT_NULL
3,0.125E-2,0.0,0.0,0.0,0.0,0.0,0.0
$*EOS_LINEAR_POLYNOMIAL
$3,0.0,0.0,0.0,0.0,0.4,0.4,0.0
$253312.5,1.0
*EOS_GRUNEISEN
3,0.344,0.0,0.0,0.0,1.4,0.0,0.0
0.0
*MAT_PLASTIC_KINEMATIC
4,7.83,2.07,0.3,5.0E-3,0.0,0.0
0.0,0.0,0.4
*MAT_PLASTIC_KINEMATIC
5,7.83,2.07,0.3,5.0E-3,0.0,0.0
0.0,0.0,0.4
线出现的问题如下:
1)当靶板采用*MAT_PLASTIC_KINEMATIC材料模型时,k文件求解时会提示如下错误:
2)当靶板采用J-C材料模型和*EOS_GRUNEISEN状态方程时,k文件求解时会提示如下错误:

当删除靶板时,聚能射流可以正常形成。
k文件关键部分如下,困扰不本人已久,求高人指点,不胜感激,谢了。
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ SECTION DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*SECTION_SOLID_ALE
1 11
*SECTION_SOLID_ALE
2,11
*SECTION_SOLID_ALE
3,11
*SECTION_SOLID
4,0
*ALE_MULTI-MATERIAL_GROUP
1,1
2,1
3,1
*CONSTRAINED_LAGRANGE_IN_SOLID
1,2,0,0,0,5,3,0
0,0,0.15
*SET_PART_LIST
1
4,5
*SET_PART_LIST
2
2,3
*CONTROL_ALE
2,1,2,-1.0,0.0,0.0,0.0
0.0,0.0,0.0
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ MATERIAL DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*MAT_HIGH_EXPLOSIVE_BURN
1,1.787,0.839,0.34,0.0,0.0,0.0,0.0
*EOS_JWL
1,5.814,0.06801,4.1,1.0,0.35,0.09,1.0
*INITIAL_DETONATION
1,0,8.7,0,0
*MAT_ JOHNSON_COOK
2,8.96,0.477
0.9E-3,0.292E-2,0.31,0.25E-1,1.09,0.136E+4,293.,0.1E-5
0.38E-5,-9.0,3.0,0.0,0.0,0.0,0.0,0.0
0.0
*EOS_GRUNEISEN
2,0.394,1.49,0.0,0.0,1.99,0.0,0.0
0.0
*MAT_NULL
3,0.125E-2,0.0,0.0,0.0,0.0,0.0,0.0
$*EOS_LINEAR_POLYNOMIAL
$3,0.0,0.0,0.0,0.0,0.4,0.4,0.0
$253312.5,1.0
*EOS_GRUNEISEN
3,0.344,0.0,0.0,0.0,1.4,0.0,0.0
0.0
*MAT_PLASTIC_KINEMATIC
4,7.83,2.07,0.3,5.0E-3,0.0,0.0
0.0,0.0,0.4
*MAT_PLASTIC_KINEMATIC
5,7.83,2.07,0.3,5.0E-3,0.0,0.0
0.0,0.0,0.4