In FEM software ABAQUS, there is no concrete material model that can be well applied to the dynamic elastoplastic analysis of three-dimensional beam element.
ABAQUS软件缺少能良好应用于三维梁单元动力弹塑性分析的混凝土材料模型。
Aiming at the randomicity of concrete crack, the author adopt the randomicity finite element model and Monte-Carlomethod to simulate the randomicity of material character and crack distribution.
针对材料性能的随机性和裂缝分布的随机性，引入了随机性模型，采用蒙特卡罗法来模拟其随机性。
The failure criterion, formula and determination of analytical parameters such as spring modulus of the discrete element model for concrete material were presented.
介绍了适于混凝土材料的离散单元模型的破坏准则、计算方程以及弹簧系数等计算参数的确定方法。
This paper is based on the understand of the concrete material. The mathematic model to study the process of concretes damage and fracture is being put forward.
本论文立足于对混凝土材料特性的认识，提出一个进行混凝土损伤与断裂过程模拟的细观数值模型。
The model is implemented through a user defined material model in LS-DYNA. The model parameters are calibrated and validated by the data from related concrete penetration tests.
利用LS - DYNA程序的用户自定义材料模型开发并实现了模型算法，并用有关混凝土侵彻试验结果对模型参数进行了标定。
The features of fracture mechanics of plaster as the model material are similar to those of the concrete.
模型材料石膏具有与混凝土相似的断裂力学特性。
According to the features of reinforcing bars in the wall, authors model the combing material model of reinforcement and concrete and get the calculation formulation of a stiffness matrix.
根据框支墙中钢筋的特点，确定了钢筋与混凝土的材料组合模型，导出刚度矩阵的计算公式。使框支剪力墙结构的非线性有限条法分析成为可能。
The 3d constitutive relationship of concrete model is based on the isotropic approach of material with stress strain increment relationship.
基于材料的各向同性理论，根据应力—应变增量关系，建立了一个混凝土的三维本构关系模型。
Scenarios are applied to the input parameters in the dynamic model to investigate the impacts of changes in these, including variations in material usage (concrete and wood) and material density.
在动态模型中，把各种方案作为输入参数，便可研究出这些参数变化的影响，包括材料的使用(混凝土和木材)和材料密度的变动。
The choice of research model is discussed for the composite material of concrete filled steel tubes.
论述了钢管混凝土组合材料研究模型选取的依据；
In this paper, a model with double factors and double parameters for calculating tensile strength of steel fiber reinforced concrete (SFRC) is established on the basis of composite material mechanics.
基于复合材料力学理论，建立了双因素、双参数的钢纤维混凝土抗拉强度普适计算模式。
In this paper, a model with double factors and double parameters for calculating tensile strength of steel fiber reinforced concrete (SFRC) is established on the basis of composite material mechanics.
基于复合材料力学理论，建立了双因素、双参数的钢纤维混凝土抗拉强度普适计算模式。
应用推荐