等直杆

用摄动法求解强化等直杆扭转问题

Solution of Torsion Problem of Elasto-plasticity with Strain-hardening by Perturbation Method

学习等直杆件的强度、刚度及轴心受压杆件的稳定性的计算等。为合理设计、校核构件提供有关强度、刚度与稳定性分析的基本理论与方法。

For teaching purpose , the course covers the fundamental part of mechanics of materials , calculates of strengths , rigidity and stability , and the more theories .

经实验检验，理论值与实验值能较好吻合，表明该理论也可用于解决椭圆等直杆的约束扭转问题。

The theory and its application in practice yield a better combination , as is shown by experiment , and the theory can settle the problem of elliptic steam restrain twist .

以往的公式[1,2]采用将楔杆等效为以小端截面作为等直杆的截面、将渐变的影响计入计算长度系数的方法；

Previous formulae [ 1,2 ] took the web ratio factor into the coefficient of length , regarding web-tapered member as a uniform one with the same cross-section of the small end .

针对椭圆形等直杆的自由扭转问题，建立了加权残值压力学分析的基本理论，并用最小二乘法推导出了应力计算的公式。

Devoted to the question about elliptic equivalent cross section steam free twist , the paper establishes the basic theory about stress analysis by method of weighted residuals and the stress formula by least squares method .

存在轴向裂缝的等直圆杆扭转振动及其讨论

The torsion vibration of a pole with crack along the shaft direction and its discussion

等刚度直杆弹簧联轴器的离散优化设计

Discrete optimum design of straight spring shaft coupling with equi stiffness

建立了等刚度直杆弹簧联轴器的优化设计数学模型，编制了离散优化的计算机程序，提供了优化设计实例。

This paper has set up a mathematical model of the optimum design for the straight spring shaft coupling with equi stiffness , designed a computer program of the discrete optimum , given an example of optimum design .