固体结构损伤破坏统一相场理论、算法和应用1)
吴建营

ON THE UNIFIED PHASE-FIELD THEORY FOR DAMAGE AND FAILURE IN SOLIDS AND STRUCTURES: THEORETICAL AND NUMERICAL ASPECTS1)
Wu Jianying
图2 不同有效能量释放率定义给出的强度包络线: 平面应力状态
Fig.2 Strength envelopes given by different effective energy release rates: Plane stress state