Bones, muscles, joints, the basic solution of plane structure.
骨骼，肌肉，关节基本解刨结构。
The J integral values in the vicinity of the crack tip in welded joints were numerically analyzed by using the plane stress elastic-plastic finite element method.
采用平面应力弹塑性有限元法研究了含有多部损伤的焊接接头裂纹尖端J积分的变化规律。
Controlled by the small core area, the anti-shear capacity of plane abnormal joints is rest with concrete strength, size and reinforcement of the small core area.
平面异型中节点以小核芯为控制单元，节点核芯区的受剪承载能力取决于小核芯区的混凝土强度、尺寸和配筋状况。
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