By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending.
本文采用有限元模拟的方法，结合金属成形的塑性变形理论，深入分析了拉弯的成形机理，建立了用于转台式拉弯成形模拟的有限元模型。
Reactors used in chemical industry must satisfy rigidity requirements to ensure the bending distortion to be controlled within the tolerated range as well as strength requirements to prevent breakage.
化学反应器不仅要满足强度条件，以保证在使用中不发生断裂破坏；也要保证刚度条件，使设备在正常操作时的弯曲变形不超过规定的许可范围。
This paper deals with the general calculation of fracture mechanics on the weld defects of a spherical tank. The additional bending stresses caused by both the angular distortion and the stagger toe.
本文阐述一般球罐焊接缺陷的有关断裂力学计算，介绍了由于角变形和错边量引起的附加弯曲应力。
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