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- In view of the anisotropic damage characteristics of concrete under multiaxial stress state, an anisotropic elastoplastic damage model is presented. 针对混凝土多轴应力状态下各向异性损伤的特点,建立了各向异性弹塑性损伤模型。
- By means of selecting penny shaped crack model to simulate the defects in concrete,the damage model for concrete under multiaxial stress state was developed based on statistical fracture theory. 以圆盘裂纹模型模拟混凝土内部的缺陷,基于统计断裂理论推导出了多轴应力下混凝土的损伤统计模型,并根据应变等价假说,建立了包含损伤的混凝土的基本本构关系。
- Based on experimental data and finite element analysis results, a low-cycle fatigue life model is proposed for the powder metallurgy superalloys under multiaxial stress states. 在详细分析试验和有限元计算结果的基础上,提出了复杂应力状态下的低周疲劳寿命模型。
- Fracture Strength of Ceramics under Multiaxial Stress State 复杂应力作用下结构陶瓷材料的断裂强度
- Estimation of Brittle Materials'Strength Under Multiaxial Stress State 多轴应力状态下脆性材料强度的估算
- Approximate Calculation of Local Stress and Strain under Multiaxial Stress State 多轴应力状态下的局部应力应变近似计算方法及其应用
- Keywords single crystal nickel-based superalloy;orthotropy;low cycle fatigue;multiaxial stress state;damage; 镍基单晶合金;正交各向异性;低周疲劳;复杂应力;损伤;
- multiaxial stress state 多轴应力状态
- STRENGTH CRITERION FOR PLAIN CONCRETE UNDER MULTIAXIAL STRESS STATES BASED ON DAMAGE POISSON'S RATIO 基于损伤泊松比的混凝土多轴强度准则
- On the Validation of Rafting Law and Creep Life of Nickel-base Single Crystal Superalloys under Multiaxial Stress States 镍基单晶合金筏化规律及蠕变持久寿命模型在复杂应力状态下的考核
- Keywords double shear specimen;nickel base single crystal superalloys;stress and strain distribution;creep behavior;multiaxial stress states; 镍基单晶超合金;双剪切蠕变试样;蠕变试验;应力应变分布;多轴应力;
- To analyse stress state of mandible pulled by masticatory muscles. 目的:应用有限元方法分析咀嚼肌牵动的下颌骨应力状态。
- Actually considerable structural elements such as shear wall, dam, bridge, safety shell of nuclear reactor, offshore platform and so on, are generally working under multiaxial stress condition. 而大多数混凝土结构都是处于复杂应力状态的,如常见的剪力墙结构,水坝、桥梁、核反应堆安全壳、采油平台等。
- Stress ellipsoid is often used to describe the variation scope of stress state. 全应力的变化范围常用应力椭球方程和应力椭球面来描述。
- All these stress states pertain to the same load. 所有这些应力状态都适合同样一个载荷。
- The iterative formulas of elastoplastic stochastic finite element method (SFEM) under cyclic loading are deduced and the random responses of local multiaxial stress and strain are calculated. 推导了交变载荷下弹塑性随机有限元的迭代格式,计算了局部多轴应力应变的随机响应。
- The performance of GCL will be influenced by stress state and hydrated condition. 应力状态等外界条件的变化使得GCL中膨润土孔隙比有较大的变化范围,对水和污染物在GCL中的运移也有较大的影响。
- Predict the stress state coefficient by neural network model, it can improve the precision of rolling force. 采用神经网络模型对应力状态系数进行预报,可提高轧制力的预报精度。
- The contacting trace, microstructure and stress state of fractured gas turbine tenon were analyzed. 对某烟气轮机的动叶片榫齿接触痕迹特征、组织和受力进行综合分析。
- Abstract: Objective:To analyze the stress state of a cantilevered fixed particle dentures. 文摘:目的:分析磨牙游离缺失单端固定桥修复的受力情况。