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本文基于材料的真实应力-应变曲线,取q/O_s为摄动参数,用摄动法导出了有强化弹塑性简支梁受均布荷载时的渐近解。文中有数值例题,并将计算结果与实验数据作了初步比较,结果尚满意。
Based on the true stress-strain curve of the material, q/O_s is taken as the perturbation parameter. The perturbation method is used to derive the asymptotic solution of the elasto-plastic simple beam subjected to uniformly distributed loads. There are numerical examples in the text, and the calculation results are compared with the experimental data. The results are still satisfactory.