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如下图所示,射孔弹模型由射孔弹外壳,炸药,药型罩三部分组成,外围是水体,射流外围是钢管。
采用ALE流固耦合方法,钢管和射孔弹外壳采用拉格朗日单元,炸药,药型罩和水体采用ALE单元算法。但是计算结果压力只在炸药内传播,外围的外壳和药型罩均无压力。
附部分设置关键字:
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$ SECTION DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*SECTION_SOLID
1,0
*SECTION_SOLID
2,0
*SECTION_SOLID_ALE
3,11
*SECTION_SOLID_ALE
4,11
*SECTION_SOLID_ALE
5,11
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ ALE DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*ALE_MULTI-MATERIAL_GROUP
3,1
4,1
5,1
*CONSTRAINED_LAGRANGE_IN_SOLID
1,2,0,0,0,5,3,0
0,1e20,0.2
*SET_PART_LIST
1
1,2
*SET_PART_LIST
2
3,4,5
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$ MATERIAL DEFINITIONS $
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$
………………………………
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ PARTS DEFINITIONS $
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$
$
*PART
Part 1 for Mat 5 and Elem Type 5
1 1 5 0 0 0 0
$
*PART
Part 2 for Mat 1 and Elem Type 1
2 2 1 0 0 0 0
$
*PART
Part 3 for Mat 2 and Elem Type 2
3 3 2 2 0 0 0
$
*PART
Part 4 for Mat 3 and Elem Type 3
4 4 3 3 0 0 0
$
*PART
Part 5 for Mat 4 and Elem Type 4
5 5 4 4 0 0 0
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ CONTACT DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ CONTROL OPTIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*CONTROL_ENERGY
2 2 2 2
*CONTROL_SHELL
20.0 1 -1 1 2 2 1
*CONTROL_TIMESTEP
0.0000 0.9000 0 0.00 0.00
*CONTROL_TERMINATION
0.500E-05 0 0.00000 0.00000 0.00000
*CONTROL_ALE
2,1,2,0,0,0,0
0,0,0
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ TIME HISTORY $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*DATABASE_BINARY_D3PLOT
0.5000E-07
*DATABASE_BINARY_D3THDT
0.5000E-08
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ DATABASE OPTIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*DATABASE_EXTENT_BINARY
0 0 3 1 0 0 0 0
0 0 4 0 0 0
*END
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