a damper finite element model is coupled to rotor system equations of motion 推导了常规粘弹减摆器旋翼耦合系统运动方程。
the system equation is nonlinear due to the dependence of permeability on the volume strain of solid phase 由于渗透率与固体相体积应变相关,系统方程为非线性方程。
for a special case of such a system equation, we derive the exact soliton solutions using the darboux transformation 运用darboux变换求得了该系统的精确解(包括n-孤子解及2-孤子解)。
based on the boundary integral equation method, the system equation of contact problems, including contact conditions, is established 利用边界积分方程,结合接触条件,形成接触问题的系统方程。
3 ) we consider the averaged dispersion-managed ( dm ) fiber system equation, which governs the dynamics of the core of the dm solitons 3)通过运用路径平均方法推导了色散管理(dm)孤子核的传输方程。