| 颗粒介质的弹塑性动态本构关系研究 |
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| 引用本文： | 王明洋,钱七虎.颗粒介质的弹塑性动态本构关系研究[J].固体力学学报,1995,16(2):175-180. |
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| 作者姓名： | 王明洋 钱七虎 |
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| 作者单位： | 南京工程兵工程学院 |
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| 摘 要： | 本文运用多刚体系统动力学和微结构连续力学的理论方法，考虑了颗粒体的拓扑结构及颗粒体之间的局部非线性相互作用，通过引进恢复系数，导出了适合于大变形运动（包括平动与转动）情况下，颗粒体间的滑移和分离的客观弹塑性本构关系。
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| 关 键 词： | 颗粒介质 弹塑性介质 本构关系 动力学 |
A STUDY ON THE ELASTOPLASTIC DYNAMIC CONSTITUTIVE LAW OF GRANULAR MEDIUM |
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| Wang Mingyang,Qian Qihu.A STUDY ON THE ELASTOPLASTIC DYNAMIC CONSTITUTIVE LAW OF GRANULAR MEDIUM[J].Acta Mechnica Solida Sinica,1995,16(2):175-180. |
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| Authors: | Wang Mingyang Qian Qihu |
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| Abstract: | In this paper, taking the topo structure and local nonlinear interaction of interparticles into account and intruducing coefficient of restitution,an elastoplastic law with sliding and seperation of patricles under large deformation for granular material is derived based on mutiply rigid dynamics and micro-mechanics approach. |
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| Keywords: | coefficient of restitution granular medium microstructures-mechanics |
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