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Dynamic Cylindrical Cavity Expansion Model and Its Application to Penetration Problems
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H. Zhou, H. M. Wen
Chinese Journal of High Pressure Physics | 2006, 20(1) : 67 - 78
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Chinese Journal of High Pressure Physics | 2006, 20(1): 67-78
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Dynamic Cylindrical Cavity Expansion Model and Its Application to Penetration Problems
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H. Zhou, H. M. Wen
Affiliations
  • Laboratory for Mechanical Behaviour and Design of Materials, University of Science and Technology of China, Hefei 230027, China
Published: 2006-03-05
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Dynamic cylindrical cavity expansion model and its application to penetration problems were studied. Both incompressible and compressible bilinear strain-hardening material models were considered. First, solutions for dynamic cylindrical cavity expansion (DCCE) are obtained in terms of the velocity of plastic wave front, radial stress distribution and stress on the cavity surface. The influence of material properties such as compressibility, elastic-plastic constitutive equations and plastic modulus is discussed. Based on the DCCE models, penetration equations are then constructed. Comparison with experimental penetration data shows reasonable agreement between theory and experiment. It also shows that material properties such as plastic modulus have considerable effects on the dynamics cavity expansion and its resistance to penetration.

dynamic cylindrical cavity expansion  /  bilinear strain-hardening materials  /  material properties  /  depth of penetration
周辉, 文鹤鸣. 动态柱形空穴膨胀模型及其在侵彻问题中的应用. 高压物理学报, 2006 , 20 (1) : 67 -78 .
H. Zhou, H. M. Wen. Dynamic Cylindrical Cavity Expansion Model and Its Application to Penetration Problems[J]. Chinese Journal of High Pressure Physics, 2006 , 20 (1) : 67 -78 .
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Year 2006 volume 20 Issue 1
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Article Info
  • Receive Date：2004-12-06
  • Online Date：2026-11-01
  • Published：2006-03-05
Article Data
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History
  • Received：2004-12-06
  • Revised：2005-01-18
Affiliations
    Laboratory for Mechanical Behaviour and Design of Materials, University of Science and Technology of China, Hefei 230027, China

Corresponding:

H. M. Wen, professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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