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结构振动阻尼控制中阻尼构件在结构中的配置直接影响结构系统的振动控制性能。本文基于阻尼耗散系统能量的原理,引入模态耗散能因子来评价阻尼构件对结构模态阻尼的贡献,并以此作为阻尼构件优化配置的性能指标,对桁架结构振动控制中阻尼构件配置的离散优化问题进行了研究。通过对一悬臂桁架梁进行数值仿真计算,说明了该方法的有效性
Structure vibration damping control damping structure in the configuration of a direct impact on the structural system of vibration control performance. In this paper, based on the principle of damping dissipative system energy, the modal dissipation factor is introduced to evaluate the contribution of damping components to structural modal damping, and this is used as the performance index of damping component optimization configuration. The damping components configuration in truss structure vibration control The discrete optimization problem was studied. The numerical simulation of a cantilever truss beam shows the effectiveness of the method