采用ANSYS/LS-DYNA数值模拟了平面冲击波压缩下A95陶瓷的自由面质点速度历程,将数值模拟结果与平板冲击压缩实验结果进行了对比分析.数值模拟结果表明采用JH-2材料模型能够较好地模拟陶瓷类材料在强动载荷作用下的物理力学性能.
参考文献
[1] | Kanel G I;Rasorenov S V;Fortov V E.The failure waves and spallations in homogeneous brittle materials[A].Elsevier Science Publishers BV,1992:451-454. |
[2] | Kanel G I;Razorenov S V;Frotov V E.Shock-Wave phenomena and the properties of condensed matter[M].New York:Springer-verlag,2004:147-152. |
[3] | Meyers M A.Dynamic behavior of materials[M].New York:John Wiley and Sons,Inc,1994:297-300. |
[4] | Johnson G R;Holmquist T J.An improved computational constitutive model for brittle materials[A].New York:AIP Press,1994:981-984. |
[5] | Anderson C E;Johnson G R;Holmquist T J.Ballistic experiments and computations of confined 99.5% Al2O3 ceramic titles[A].Israel,Jerusalem,1995:65-72. |
[6] | Johnson G R;Cook W H.A constitutive model and data for metals subjected to large strain,high strain rates and high temperatures[A].Netherlands,Hague,1983:541-547. |
[7] | 经福谦.实验物态方程导引[M].北京:科学出版社,1999:25-28. |
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