| 复杂载荷作用下的本构关系及其积分方法 |
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| 引用本文： | 谢一环,王勖成.复杂载荷作用下的本构关系及其积分方法[J].清华大学学报(自然科学版),1986(3). |
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| 作者姓名： | 谢一环 王勖成 |
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| 作者单位： | 工程力学系
(谢一环)，工程力学系(王勖成) |
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| 摘 要： | 本文将 Ｈｏｄｇｅ混合硬化模型推广，并和 Ｄａｆａｌｉａｓ模型相结合，提出适用于复杂加载，特别是循环加载条件的本构模型，同时给出了这种模型的近似解析积分方法。实例表明所提出的模型具有描述材料在循环载荷作用下的几个基本特征现象的能力，同时所要求记录的信息及计算工作量较少，便于耦合进现有的一般目的有限元程序。
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| 关 键 词： | 循环加载 本构关系 解析积分 |
A Constitutive Model for Complex Leading and Integration of its Equations |
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| Xie Yihuan,Wang Xucheng.A Constitutive Model for Complex Leading and Integration of its Equations[J].Journal of Tsinghua University(Science and Technology),1986(3). |
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| Authors: | Xie Yihuan Wang Xucheng |
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| Institution: | Xie Yihuan,Wang Xucheng Department of Engineering Mechanics |
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| Abstract: | A new constitutive model based on the combination of Dafalias model and generalised Hodge model which is suitable for complex loading, especially for cyclic loading, is presented. The method of approximate analytical integration for this model is given. The examples show that the model possesses the capability of describing the characteristic response of materials to the cyclic loading. The model has the advantage of being coupled conveniently into the existing finite element programs which serve for general purpose and not requiring too much computer storage and computing time. |
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| Keywords: | cyclic loading constitutive relation analytical integration |
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