| 小变形的Lagrange型弹塑性本构模型 |
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| 引用本文： | 扶名福,刘光宗,陈良森. 小变形的Lagrange型弹塑性本构模型[J]. 南昌大学学报(工科版), 2008, 30(3): 1 |
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| 作者姓名： | 扶名福 刘光宗 陈良森 |
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| 作者单位： | 南昌大学工程力学实验中心； |
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| 摘 要： | 讨论了小变形Lagrange型弹塑性本构模型。由背应力定义塑性应变,从而由Ilyushin假设得到背应力的演化律。分析表明,该模型的强化特性由参量β决定。对一种特殊的各向同性弹塑性模型的讨论表明,这种La-grange型弹塑性本构模型能表征极其复杂的弹塑性特性。
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| 关 键 词： | 弹塑性本构 小变形 本构关系 |
A Lagrangian Constitutive Relation of Plasticity at Infinitesimal Strain |
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| FU Ming-fu,LIU Guang-zong,CHEN Liang-sen. A Lagrangian Constitutive Relation of Plasticity at Infinitesimal Strain[J]. Journal of Nanchang University(Engineering & Technology Edition), 2008, 30(3): 1 |
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| Authors: | FU Ming-fu LIU Guang-zong CHEN Liang-sen |
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| Abstract: | In the present paper the lagrangain constitutive relation of plasticity at infinitesimal strain is discussed.This model is based on Ilyushin’s postulate,the plastic strain is defined by the back stress and the evolution law for back stress is derived by |
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| Keywords: | plasticity infinitesimal strain constitutive relation |
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