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利用数值积分法，并考虑损伤积累对钢材性能的影响，模拟了钢结构在任意空间交变受力下的非线性滞回过程，以代替试验手段进行钢结构柱空间恢复力特性的研究．最后，通过计算机对2根H形钢柱的空间恢复力特性的模拟仿真，验证了提出的数值私分方法的可行性．考虑损伤累积影响的
By using the numerical integration method and considering the influence of damage accumulation on the properties of steel, the nonlinear hysteresis process of the steel structure subjected to alternating force in any space was simulated. The space restoring force characteristics of the steel structure column were replaced by experimental methods. Finally, the computer simulation of the space resilience characteristics of two H-shaped steel columns validates the feasibility of the proposed numerical method. Consider the cumulative effects of damage