Objectives For postoperative imaging assessment of cementless hip arthroplasty,radiography and Computed Tomography(CT)we......

　　Resistance spot welding(RSW)represents about 90%of car body assemblies,due to its production convenience and cost ef......

在应用LS-DYNA进行机车车辆碰撞仿真分析中,焊接关系的描述一直是计算模型处理中的一个难点。由于焊接区域几何结构模糊、实际材料......