Based on the assumption of hysteretic damping,seismic r esponse of soil layer was analyzed by using the methods of time domain and frequ ency domain separately.
采用滞后阻尼假定 ,分别应用时域和频域分析方法对土层的地震反应进行计算 。
The paper deduced the calculation method and expressions of the equivalent modal damping ratio for the composite structure of steel-reinforced concrete in the scope of real number by the use of the relation between the plural frequency and hysteretic damping factor and the theory that the plural frequency is equivalent before and after equivalence.
借助复频率和滞后阻尼系数的关系,利用等效前后结构复频率相等价的原理,推导出了钢结构-混凝土混合结构在实数范围内等效阻尼比的计算方法和表达式,并借助所建立的ANSYS有限元模型,计算出了某混合结构斜拉桥的等效阻尼比,此方法简便易懂,适用范围广。
The damping mechanisms of ferromagnetic alloys are presented systematically in this paper,particularly on the characteristics and impact factors of the magnetomechanical hysteresis damping originating from the stress-induced irreversible movement of magnetic domain walls.
通过对铁磁合金的阻尼机理的综述,介绍了磁学-力学滞后阻尼的特征及其影响因素。
