| 动力弹塑性刚体界面元法 |
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| 引用本文： | 高培正.动力弹塑性刚体界面元法[J].工程力学,1996,13(4):135-144. |
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| 作者姓名： | 高培正 |
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| 作者单位： | 清华大学土木系 |
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| 摘 要： | 本文探讨了用刚体界面元法求解二维动力弹塑性问题的理论．首先，从连续介质的质点运动微分方程出发，利用其等效积分方程，通过引入刚体模式的位移场函数建立了刚体界面元的基本动力方程．为了以渐进解法求解弹塑性问题，将界面元简化的应力矢量引入塑性流动理论，从而给出了界面元的弹塑性本构关系．
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| 关 键 词： | 刚体界面元法，弹塑性，动力 |
RIGID BODY-INTERFACE ELEMENT METHOD IN DYNAMIC PLASTICITY |
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| Gao Peizheng.RIGID BODY-INTERFACE ELEMENT METHOD IN DYNAMIC PLASTICITY[J].Engineering Mechanics,1996,13(4):135-144. |
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| Authors: | Gao Peizheng |
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| Affiliation: | Tsinphua University |
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| Abstract: | The theory of the Rigid Body-Interface Element Method is studied in this paper, which can be used to solve the 2D dynamic elasto-plastic problems.Based on the function of displacement field of rigid mode, the fundamental dynamic equations of the system are derived from the fundamental differential equations and their equivalent integration equations for continuous media. With the adoption of the simplified stress vector in plastic flow rule, an elasto-plastic constitutive model for interface elements is proposed. |
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| Keywords: | Rigid Body-Interface Element Method elastoplasticity dynamic |
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