in this paper, the analysis model of resistance degradation is given based on the concepts of continuum damage mechanics and the damage test of r.
通过钢筋混凝土压弯构件的低周疲劳损伤试验,应用损伤力学理论建立构件强度退化计算模型;
the theory of continuum damage mechanics and the basic principle about neural network are introduced.
主要对连续介质损伤力学和人工神经网络的基本原理进行了论述。
an anisotropic damage model for concrete subjected to compressive fatigue load is developed based on continuum damage mechanics and the concept of boundary surface.
基于边界面概念和损伤力学理论,建立了混凝土受压各向异性损伤模型。
continuum damage mechanics and micromechanics-based approaches were usually used in mechanical model researching.
力学模型研究主要有连续损伤力学和细观力学两种方法。
thereby, a continuum damage mechanics approach is developed to analyze the configuration evolution of surface cracks during fatigue growth.
由此发展了一种分析表面裂纹疲劳扩展过程中形状演化问题的损伤力学方法。
the results prove that continuum damage mechanics model can describe the cumulation and development of damage more accurately.
分析结果表明,连续损伤模型能更合理地描述材料蠕变损伤的累积发展过程。
the strain gradient enhanced damage model based on strain gradient theory and continuum damage mechanics is established and applied to forecasting the localized damage in rock material.
本文提出基于应变梯度的损伤模型,并用于材料局部化损伤模拟预测中。
in this paper, a numerical method based on theories of continuum damage mechanics and micro-crack development mechanics was employed to statistical analysis for several blast scenarios.
the rock damage model and the damage-coupling model suited to analyze the whole process of water jet breaking rock were established with continuum damage mechanics and micro damage mechanics.
the detailed expressions of the damage effect functions are investigated by micromechanics, which enables us to relate the continuum damage mechanics with the microscopic damage mechanics.
损伤效应函数的具体形式可由细观力学解答确定,从而使连续损伤力学与细观损伤力学有机结合在一起。
according to continuum damage mechanics (cdm)theory, a continuum damage function is chosen and a new cdm criterion is derived.