基于模拟退火算法的爆炸冲击荷载参数反演法

Parameter Inversion Algorithm of Explosion Shock Loading Based on Simulated Annealing

基于模拟退火算法,建立了根据测试系统动力响应观测数据反演爆炸冲击荷载参数的数值方法。数值模拟结果表明,本文所提出的爆炸冲击荷载参数随机反演方法具有全局搜索能力,并且具有良好的抗观测噪音能力。当测试系统的观测相对误差为10%时,参数反演结果的误差小于4%,所建立的参数反演方法具有良好的鲁棒性。

Based on simulated annealing, the numerical algorithm is presented to identify the parameters of explosion shock loading. The numerical simulation results show that the proposed inversion algorithm is able to get global minimization, and to prevent the measurement noises. The maximum relative error of inversion results is less than 4% when the measurement error of testing system is 4%. The proposed inversion algorithm is robust.