| 空间8节点等参单元计算Drucker-Prager理想塑性材料 |
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| 引用本文： | 唐柏鉴,侯朝胜. 空间8节点等参单元计算Drucker-Prager理想塑性材料[J]. 天津城市建设学院学报, 2002, 8(3): 169-172,175 |
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| 作者姓名： | 唐柏鉴 侯朝胜 |
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| 作者单位： | 天津大学,建筑工程学院,天津,300072 |
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| 摘 要： | Drucker-Prager模型广泛应用于混凝土，岩石等材料，采用空间8节点等参单元对其进行增量迭代计算，每增量步内Newton-Raphson法迭代2次，4阶高斯积分，算例结果与理论解吻合很好。
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| 关 键 词： | 塑性材料 有限元 非线性方程 Drucker－Prager模型 |
| 文章编号： | 1006-6853(2002)03-0169-04 |
Analysis of ideal Drucker-Prager elastic-plastic material with spatial eight-joint element |
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| TANG Bai jian,HOU Chao sheng. Analysis of ideal Drucker-Prager elastic-plastic material with spatial eight-joint element[J]. Journal of Tianjin Institute of Urban Construction, 2002, 8(3): 169-172,175 |
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| Authors: | TANG Bai jian HOU Chao sheng |
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| Abstract: | Drucker Prager yield criterion is widely applied to materials such as concrete,rock,etc.Spatial eight joint element is used to perform incremental iterative computation to analyze these materials.The nonlinear equations are solved by Newton Raphson incremental iterative procedure,iterating two times for every increment step,and using four order Gauss quadrature.The results of computation examples coincide with the theoretic analysis precisely. |
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| Keywords: | finite element nonlinear equation Drucker Prager model |
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