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混凝土
$
*MAT_ELASTIC_PLASTIC_HYDRO
$1,2.3,0.13,3.2E-4,,-5.E-5,1.
$,,3
2,2.4,0.126,2.5E-4,,-5.E-5,0.4
,,3.
*EOS_GRUNEISEN
2,0.2500,1.0,0.,0.,1.9,0.0
0.,1.
$
$国际单位
*MAT_ELASTIC_PLASTIC_HYDRO_SPALL
$1,2.3,0.13,3.2E-4,,-5.E-5,1.
$,,3
2,2.4E+03,0.126E+11,2.5E+7,,-5.E+6,0.4E+11
,,3.
*EOS_GRUNEISEN
2,0.2500E+4,1.0,0.,0.,1.9,0.0
0.,1.
$
混凝土参数
密度2.4g/cm剪切模量12.6Cpa屈服应力25Mpa抗拉强度5Mpa失效应变0.4 GRUNEISEN状态方程参数
C=2500m/s S1=1.0 S2=0 S3=0 ω=1.9 A=0 E0=0 V0=1
sdyyds混凝土随动硬化模型
*mat_plastic_kinematic
3 2100 3.00e+10 0.18 2.0e+07 0 0
0.002
*mat_plastic_kinematic
2 2600 4.75e+10 0.18 6.0e+07 4.75e+09 0
99.3 1.94 0.004
取自龚自明防护工程混凝土靶体尺寸及边界约束对侵彻深度影响的数值模拟*MAT_JOHNSON_HOLMQUIST_CONCRETE
4,2.4,0.123,0.79,1.60,0.007,0.61,2.4E-4
2.7e-5,1.0e-6,0.01,7.0,8.0e-5,5.6e-4,1.05e-2,0.1
0.04,1.0,0.174,0.388,0.298
取自龚自明防护工程BLU-109B侵彻厚混凝土靶体的计算与分析
*MAT_JOHNSON_HOLMQUIST_CONCRETE
4,2.4,0.132,0.79,1.60,0.007,0.61,3.22E-4
3.15e-5,1.0e-6,0.01,7.0,1.08e-4,7.18e-4,1.05e-2,0.1
0.04,1.0,0.174,0.388,0.298
取自蔡清裕国防科技大学学报模拟刚性动能弹丸侵彻混凝土的FE-SPH方法*MAT_JOHNSON_HOLMQUIST_CONCRETE
mid RO G A B C N FC
1, 2.2,0.164,0.75,1.65,0.007,0.61,4.4e-4
T EPS0 EFMIN SFMAX PC UC PL UL
2.4e-5,1.0e-6,0.01,11.7,1.36e-4,5.8e-4,1.05e-2,0.1
D1 D2 K1 K2 K3 FS
0.03,1.0,0.174,0.388,0.298
取自张凤国爆炸与冲击《大应变。高应变率及高压下混凝土的计算模型〉
*MAT_JOHNSON_HOLMQUIST_CONCRETE
2,2.44,0.1486,0.79,1.60,0.007,0.61,4.8E-4
4.0e-5,1.0e-6,0.01,7.0,1.6E-4,0.001,8.0E-3,0.1
0.04,1.0,0.85,-1.71,2.08
取自宋顺成爆炸与冲击弹丸侵彻混凝土的SPH算法
*MAT_JOHNSON_HOLMQUIST_CONCRETE
1，2.4，0.1486，0.79，1.60，0.007，0.61，1.4e-4
4.0e-5，1.0e-6，0.01，7.0，1.6e-4，0.001，8.0E-3，0.1
0.04，1.0，0.174，0.388，0.298
*Mat_johnson_holmquist_concrete
$ 材料数据取自1998 年Johnson-Holmquist 会议论文, 失效采用拉伸失效============
$ MID RO G A B C N FC
1 2.25E-3 1.64E+04 0.75 1.65 -0.007 0.76 48.0 $ T EPS0 EFMIN SFMAX PC UC PL UL
2.4 1.0 0.01 11.7 1
3.6 5.8E-4 1.05E+3 0.1 $ D1 D2 K1 K2 K3 FS
0.03 1.0 1.74E+4 3.88E+04 2.98E+04
钢纤维混凝土
*MAT_JOHNSON_HOLMQUIST_CONCRETE
1,2.452,0.279,0.75,1.6,0.007,0.61,5.6e-4
8.2e-5,1.0e-6,0.015,10.5,2.3e-4,7.4e-4,1.05e-2,0.068
0.045,1.0,
*MAT_JOHNSON_HOLMQUIST_CONCRETE
1,2.551,0.332,0.79,1.6,0.007,0.61,7.17e-4
11.4e-5,1.0e-6,0.020,12.5,3.0e-4,8.8e-4,1.15e-2,0.070
0.050,1.0,
jzbai
H-J-C模型
该模型主要应用于高应变率、大变形下的混凝土模拟。在DYNA中H-J-C模型的定义方式为：*MAT_JOHNSON_HOLMGUIST_CONCRETE，材料编号为111。
H-J-C模型综合考虑了大应变、高应变率、高压效应，其等效屈服强度是压力、应变率及损伤的函数，而压力是体积应变（包括永久压垮状态）的函数，损伤积累是塑性体积应变、等效塑性应变及压力的函数。
下面是一个例子：$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
$H-J-C g-cm-us
*MAT_JOHNSON_HOLMQUIST_CONCRETE
2,2.4,0.1486,0.79,1.60,0.007,0.61,0.00048
4e-5,1e-6,0.01,7.0,0.00016,0.001,0.0080,0.10
0.04,1.0,0.85,-1.71,2.08 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $
sdyyds