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- The mechanical properties of top sand under moving vehicle are studied by soil dynamic triaxial test apparatus. The nonlinear elastic Duncan constitutive model of top sand under vehicle is established. 以车辆行驶的表层沙土为研究对象，用土壤动态三轴仪对车辆行驶的表层沙土的力学特性进行了试验研究，建立了适于车辆行驶的表层沙土的非线性弹性邓肯（Duncan）本构模型。
- duncan constitutive model 双曲线模型
- In order to rationally predicting the stress-strain behavior of CFRD, the theoretical and practical analysis on the constitutive models of rockfilled was performed. The guang-yi Duncan E-B model was applied in the stress-strain analysis of CFRD. 为了合理地预测面板堆石坝的应力变形特性，对堆石料常用的两种本构模型，从理论与实践应用方面进行了评述与分析，选用广义邓肯E-B模型对面板堆石坝进行应力应变分析。
- KEY WORDS Anisotropic, Constitutive model, Viscoplastic, Turbine blade. 关键词：正交异性，本构模型，粘塑性，涡轮叶片
- Bup, up to now there is no constitutive model whichcould fully describe the characteristics of soils. 但是，至今仍然没有出现能全面描述土各种特性的本构模型。
- Referring the isotropic dissipation function presented by Collins, an isotropic constitutive model is established. 以Collins提出的各向同性模型(isotropic model)耗散函数为出发点,建立了各向同性本构模型。
- Secondly, the three nodes contact element obeying the elastic Coulomb friction constitutive model is presented. 并介绍了服从弹性库仑摩擦本构模型的三结点接触单元。
- This result is useful to establish constitutive model for the cyclic deformation of the material. 研究结果为后续循环本构模型的建立提供了实验基础。
- A new non-linear constitutive model for normal consolidation soil under static loading condition is presented. 提出了一种新的、适用于正常固结土在静荷作用下的应力矢量型非线性本构模型。
- The author has proposed the constitutive model of recovery force of SMA under complete restrained condition. 并介绍了作者提出的计算完全约束下回复力的本构模型;
- The isolated big void behavior in the tension PM specimen has been ana lyzed by Gurson constitutive model. 讨论了不同位置和不同形状的微空洞对空穴形核、长大及材料的破坏机理的影响。
- A constitutive model test on glass fiber reinforced polymer(GFRP) tube confined concrete was carried out. 进行了玻璃纤维增强塑料(GFRP)管约束混凝土本构模型试验。
- The development of the study on soil's anisotropy during different decades of soil's constitutive model is summarized. 综合论述了土体各向异性在土体本构理论发展的不同阶段的研究进展;
- The constitutive model is established based on the thermodynamics of internal variables and the theory of absolute reaction rate. 基于内变量热力学和绝对反应速率理论建立率相关单晶本构方程。
- The governing equations are discredited by using Galerkin method, and the matrix for elastoplastic constitutive model is also deduced. 采用加权残值法对耦合方程组进行有限元离散，并推导相应的弹塑性矩阵。
- On the basis of user subroutines UMAT and Fortran, this paper introduces the development process of Duncan-Chang constitutive model. 以ABAQUS用户子程序UMAT为基础,利用Fortran编程语言,开发研制了Duncan-Chang模型接口程序。
- The Alonso constitutive model to simulate the nonlinear mechanical behavior of unsaturated soils is integrated into the model. 采用Alonso本构模型以模拟非饱和土的非线性力学行为。
- The Duncan-Chang constitutive model was implemented by using User Subroutine in ABAQUS which is a general-purpose finite element analysis system. 利用通用有限元分析系统ABAQUS的用户子程序;实现了Duncan-Chang模型的开发.
- A nonlinear creep constitutive model is given to represent the process of salt rock creep using correspondence principle based on mesomechanics. 在对盐岩在蠕变试验中所表现的损伤特征认识基础上,利用对应性原理建立了基于细观力学的盐岩蠕变损伤本构模型。
- It is significant to develop the constitutive model that can describe thermomechanics behavior of shape memory alloy precisely. 形状记忆合金日趋广泛的应用，使得建立能有效准确地描述形状记忆合金热力学行为的本构模型具有重要的工程意义。
