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。
In this paper, the lateral vibration dynamic analysis model of continuous box girder viaduct is presented in which the bending, torsion and distortion of box girder can be considered.
本文提出了可以考虑箱形梁弯曲、扭转、畸变多种因素的梁-墩系统横向振动的动力分析模型。
The cross-section distortion of bent tube is very small by using ball filler push bending process, with the ovality less than 1.5%.
运用珠粒填料推弯成形工艺成形出的管材截面畸变程度很小，椭圆度不超过1.5%。
Through measuring deflection and strain of test girders under loading, performances of this type of box girder, including bending, torsion and distortion are analyzed.
通过测试模型梁在静力荷载作用下的挠度和应变，来分析这种箱梁结构的弯曲、扭转和畸变等力学特性。
Results Obtained the distortion deformation, stress nephogram, section stress of femur neck and upside of femoral shaft of the femur under the bending moment and compressive load.
结果得出了在弯压复合荷载下股骨的变形、应力云图、股骨颈和股骨干上端的截面应力。
The finish material are no distortion, no bending, water proof, fire proof and anti corrode from acid and alkaline.
复合成型后的材料不仅具有不变形、抗弯曲强度大，防水、防火及耐酸碱的特性。
At the same press bending Angle, the cross section distortion of the tubes decreases by increasing the distance between the die fulcrums.
在相同的压弯弯曲角度下，增大凹模支点的间距可以减小管坯截面的畸变。
At the same press bending Angle, the cross section distortion of the tubes decreases by increasing the distance between the die fulcrums.
在相同的压弯弯曲角度下，增大凹模支点的间距可以减小管坯截面的畸变。
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