A nonlinear and continuous strength degradation model is presented from the view point that fatigue damage process is the process during which material static strength degrades constantly.
从疲劳过程本质上是材料静强度不断退化的过程的观点出发，建立了一个非线性的、连续的强度退化模型。
The total evolution index was induced and the FEM of material plastic damage model was supplied to simulate the nonlinear damage evolution of bridge structure subjected to the earthquake excitation.
引入了地震损伤的整体演化指标，通过有限元方法利用材料塑性损伤模型模拟桥梁结构在地震激励下的非线性损伤演化过程。
Nonlinear characteristic of matrix material is considered in the bridging model constitutive theory of composite materials.
复合材料的桥联模型本构理论考虑了基体材料的非线性特性。
The model include material nonlinear, geometry nonlinear and state nonlinear.
模型包括材料非线性、几何非线性、状态非线性。
Here, an idealized interface fracture model was established in which the reservoir hunch as an elastic wedge was embedded in nonlinear viscoelastic material.
建立了以油藏隆起为尖楔嵌入非线性黏弹性材料的界面断裂力学模型。
The collapse model of the steel tubular arch is of the second stability problem, in which the material nonlinear influence is obvious.
结构破坏属于以材料非线性影响为主的二类稳定问题。
Strip rolling is a complicated nonlinear process. If strip material property or processing variable value is changed, process model will be changed.
带钢轧制是一个复杂的非线性过程，带钢原料性质、处理量变化等也会导致过程模型发生变化。
Based on the material balance, energy balance and reaction kinetics, a dynamic model, having the form of a nonlinear distributed parameter has been presented for catalytic cracking process.
基于物料衡算、热量衡算和反应动力学建立的催化裂化过程动态模型是具有非线性、分布参数的模型形式。
Based on the material balance, energy balance and reaction kinetics, a dynamic model, having the form of a nonlinear distributed parameter has been presented for catalytic cracking process.
基于物料衡算、热量衡算和反应动力学建立的催化裂化过程动态模型是具有非线性、分布参数的模型形式。
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