本文叙述了结构优化中所采用的重分析近似技术。这种重分析近似技术是一种类似于参考文献所推荐的将台劳级数与迭代法相结合的方法,首次迭代时,取线性近似式,尔后的迭代则考虑非线性项.文中详细说明了用这种方法对一典型薄壁结构进行重分析的情况。计算表明,采用这一技术,即使结构尺寸发生较大幅度改变,亦只需少数几次迭代即可获得足够精确的应力、位移近似值。 This paper describes the reanalysis approximation technique used in structural optimization. This reanalysis approximation technique is a method similar to the one recommended by the reference to combine the bench power with the iterative method. For the first iteration, a linear approximation is taken and the subsequent iteration considers the nonlinear term. In this way, a typical thin-walled structure for re-analysis of the situation. Calculations show that, with this technique, enough accurate stress and displacement approximations can be obtained with only a few iterations, even though the dimensions of the structure change significantly.