Effects of parameters in the weakest link model on the fracture toughness value distribution and.
从最弱链模型的物理本质出发，探讨了影响焊接热影响区脆性断裂的主要因素。
A weakest chain model of microdamage was proposed, and the relationship between the global damage variable and microdamage mechanism was established.
研究了颗粒增强铝基复合材料韧性断裂的细观损伤演化特征,提出了细观损伤的最弱环模型,并建立了宏观损伤参数与细观损伤机理之间的联系。
By means of selecting elliptical crack model to simulate the defects in quasi-rock materials,the damage model for quasi-rock materials under multiaxial stress state is developed on the basis of hypothesis of the weakest link and statistical fracture theory.
以椭圆盘裂纹模型模拟岩石体内的缺陷,基于最弱链环节假设和统计断裂力学理论,推导出多轴应力状态下岩石类材料的损伤模型,并根据应变等价性假说建立了包含损伤的岩石类材料的基本本构关系。
