用有限元数值模型，分析隧道断面上8个不同位置10种不同水压突水条件下衬砌结构的受力特征。
Mechanical behavior of lining structure is analyzed under 10 different conditions that high water pressure suddenly effluent water upon 8 different parts of tunnel section with FEM numerical model.
以焊接处微观结构缺陷尺寸作为初始裂纹尺寸，采用基于裂纹闭合的全寿命预测模型，以焊接区域不同位置的长裂纹扩展速率曲线作为基线，利用J。
Fatigue life prediction from the initial crack size to failure based on long crack propagation at different zones of welded joint was made by using j.
应用推荐