$
$ MATERIAL DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
*MAT_RIGID
2 7.80 2.10 0.300000 0.0 0.0 0.0 1.00 7.00 7.00
*MAT_RIGID
3 7.80 2.10 0.300000 0.0 0.0 0.0 1.00 6.00 7.00 *MAT_RIGID
4 7.80 2.10 0.300000 0.0 0.0 0.0 1.00 6.00 7.00 *MAT_NULL 1 1.00
*EOS_GRUNEISEN
1 .1484000 1.9790000 .0000000 .0000000 .1100000 3.0000000 .0000000 .0000000 $ $ $
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$ PARTS DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $
*PART
Part 1 for Mat 4 and Elem Type 1 1 1 1 1 0 0 0 $
*PART
Part 2 for Mat 2 and Elem Type 1 2 2 2 0 0 0 0 $
*PART
Part 3 for Mat 3 and Elem Type 1 3 2 3 0 0 0 0 *PART
Part 3 for Mat 3 and Elem Type 1 4 2 4 0 0 0 0
$
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$ RIGID BOUNDRIES $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
*LOAD_BODY_Y 2,1.0
*DEFINE_CURVE 2
0.0,9.8E-10 1.0,9.8E-10 $
*DEFINE_CURVE
1 0 1.000 1.000 0.000 0.000
0.000000000000E+00 1.000000000000E-04 1.000000000000E+05 1.000000000000E-04
*BOUNDARY_PRESCRIBED_MOTION_RIGID 3 2 0 1 -1.00 0 0.000 0.000 $ $
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$ NODE DEFINITIONS $
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*CONTACT_AUTOMATIC_NODES_TO_SURFACE 1 1 3 2 0 0 0 0
0.000 0.000 0.000 0.000 0.000 0 0.000 0.0000E+08 0.000 0.000 0.100 0.000 0.000 0.000 0.000 0.000 1 0.1000000 3
*SET_PART_LIST 1 2,3,4
*INCLUDE mesh.k *END
3、 ALE（接触算法）
采用接触算法分析流固耦合问题也是一种选择，在液面波动幅度较小时可以采用此种方法进行分析，流体用ALE算法描述，结构采用Lagrange算法；需要注意的一点：对ALE网格要进行滑顺处理，以控制网格形态，保证求解精度。 下面是某算例的部分命令流：
*KEYWORD *TITLE ALE $
*DATABASE_FORMAT 0 $
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$ CONTROL OPTIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
*CONTROL_PARALLEL 1
*CONTROL_ENERGY 2 2 2 2
*CONTROL_ALE
3 1 2 1.0000000 1.0000000 0.000000 1.0000000 1.0000e+9 0.000000 0.000000 2 *CONTROL_TIMESTEP 0.0000 0.9000 0 0.00 0.00 *CONTROL_CONTACT
0.0000000 0.0000000 1 0 2 0 0 0 0 0 0
*CONTROL_TERMINATION
0.100E+05 0 0.00000 0.00000 0.00000 $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ TIME HISTORY $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
*DATABASE_BINARY_D3PLOT 0.1000E+03
*DATABASE_BINARY_D3THDT 0.1000E+02
*DATABASE_EXTENT_BINARY 0 0 3 1 0 0 0 0 0 0 4 0 0 0 $ $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$ SECTION DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
*SECTION_SOLID 2 1
*SECTION_SOLID_ALE 1 5 $ $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ MATERIAL DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
*MAT_RIGID
2 7.80 2.10 0.280000 0.0 0.0 0.0 1.00 7.00 7.00
*MAT_RIGID
3 7.80 2.10 0.280000 0.0 0.0 0.0 1.00 6.00 7.00 *MAT_RIGID
4 7.80 2.10 0.280000 0.0 0.0 0.0 1.00 6.00 7.00
*MAT_NULL
1 1.0000000 0.0000000 1.00000-8 0.0000000 0.0000000 0.0000000 0.0000000 *EOS_LINEAR_POLYNOMIAL
1 1.00000-6 1.92100-3 0.0000000 0.0000000 0.4000000 0.4000000 0.0000000 0.0000000 0.0000000 $ $ $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ PARTS DEFINITIONS $
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ $
*PART