When performing relaxation test of double torsion constant displacement on a mechanical press the influence of a press flexibility must be considered other-wies significant error will occur with regard to the test results .

在机械式压力机上进行双 扭 常位移松弛试验时，必须考虑压力机柔度的影响，否则试验结果将会有较大误差。

Numerical Analysis of Free Torsion Constant for Complicated Thin-Walled Cross Section

复杂薄壁断面的自由 扭转 惯性 矩的数值分析

It makes speed fluctuating when the double cross universal joints transmission shaft is working . To reduce influence of moving load as speed fluctuating weight of transmission shaft should be reduced in design when transfer torsion is a constant .

双万向传动中间轴在传动过程中，伴有速度波动，为减少速度波动引起的动载荷影响，设计时要在传递 转矩 一定的情况下，使中间轴质量最轻。

With these difference equations and compensatory ones the torsion problem of this kind of beam can be solved to get its torsional shear stress and constant of torque .

联立差分方程和补充方程即可求解此类复杂截面的 扭转问题，得到扭转剪应力及截面扭转 常数。

On the Torsion Constant of Multicell Profiles and Its Maximization with Respect to Spar Position

多单元的 扭转 常数分析及其内墙位置优化

Comparing with the finite dement results this method has quite accuracy to simply calculate free torsion constant .

结果表明，这是一种简单实用且 精度较高的计算方法。