文档介绍：阻尼器耗散功耗散功:各谐次总的耗散功之和。???????? ii dis Vrel DP i Vrel 变形速度幅值(各阶次) iD 总等效阻尼单元(各阶次) => 减振器耗散功 Pdiss Pdiss = Torque * angular velocity (=M* omega) Pdiss = total_damp * deltaPhi(dot) * omega 阻尼: total_damp = rel_damp + material damping rel_damp = viscous damping material damping = damping factor from material damping (=rel damp. from hysteresis damping) = Di Di= (damping ratio * stiffness) / (2* Pi* omega) = (psi * stiffness) / (2* Pi* omega) ...re_damp usually set to0 total_damp = rel_damp + etha_k / (i* omega) where etha_k = stiff * psi / (2* Pi) or, finally: total_damp = rel_damp + (stiffness * psi) / (2* Pi*i* omega) Or, substituting psi=loss_factor/(2 * Pi) => total_damp = rel_damp + stiffness * loss_factor / (i* omega) with omega =2* Pi*f=2* Pi* n/60 *i psi = 阻尼率 etha_k = 损失因子 deltaPhi(dot) = 减振环与本体之间相对角位移 omega = angular velocity 角速度 i= engine order 发动机阶次 n= engine speed 发动机转速