研究材料或构件在各种加载条件下,其中损伤随变形而演化发展并最终导致破坏的过程中的力学规律。在外载或环境作用下,由细观结构缺陷(如微裂纹、微孔隙等) 萌生、扩展等不可逆变化引起的材料或结构宏观力学性能的劣化称为损伤。损伤理论,主要是在连续介质力学和热力学的基础上,用固体力学的方式,研究材料或构件宏观力学性能的演变直至破坏的全过程,从而形成了固体中的一个新的分支——损伤力学。
...质, 损伤力学 [gap=800]Key word: cemented soil, strength, erosion environment, mechanical properties, damage- mechanics ...
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损伤力学以处理方法的不同分为两类: 1) 连续损伤力学(Continuum Damage Mechanics, CDM)。
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细观损伤力学 [力] microscopic damage mechanics
连续介质损伤力学 [力] continuum damage mechanics
连续损伤力学 continuum damage mechanics
断裂和损伤力学 fracture and damage mechanics
集中损伤力学 Lumped Damage Mechanics
持续介质损伤力学 continuum damage mechanics
岩体损伤力学 damage mechanics of rock
疲劳损伤力学 fatigue damage mechanics
损伤力学理论 damage mechanics theory
The damage mechanics of Jointed rock mass is a promising researchfield,The Jointed rock mass is a geological matrix with complex stress historyand deformation history.
节理裂隙岩体损伤力学的研究与应用有着很好的发展前景。
参考来源 - 节理裂隙岩体损伤力学研究中的若干问题The damaging process and failure of a reinforced concrete structure under a quasi-static loading condition is investigated based on the continuum damage theory.
采用损伤力学理论,研究钢筋混凝土拱结构在准静态加载过程中的损伤破坏过程。
参考来源 - 钢筋混凝土拱结构破坏过程的三维有限元分析The cement loop is researched in detail with damage mechanics and the damage criterion of the cement loop is built based on the damage mechanical model of cement material.
采用了损伤力学的研究方法对冲击整形和碾压整形中的水泥环分别进行了详细的研究,并根据水泥材料的损伤力学模型建立了水泥环的损伤判据。
参考来源 - 套损井修复中水泥环的损伤研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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。
An anisotropic damage model for concrete subjected to compressive fatigue load is developed based on continuum damage mechanics and the concept of boundary surface.
岩石爆破损伤断裂机理是由岩石爆破机理和岩石细观损伤力学理论组成的。
The mechanism of damage and fracture of rock blasting is composed of blasting mechanism and rock meso-damage theory.
简述了细观损伤力学的研究进展,分析了细观损伤力学对金属塑性加工的重要意义。
Research progresses of meso - damage mechanics were summarized and its significations in metal plastic forming were analyzed.
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