分解结构振动模态,识别模态参数，将多自由度振动分解为若干单自由度振动的叠加-structural mode decomposition

先求解一维瞬态热传导有限元方程前若干阶特征值和特征向量，再利用模态叠加法求解瞬时温度变化(Firstly, the eigenvalues and eigenvectors of the finite element equations of one-dimensional transient heat conduction are solved, and then the modal superposition method is used to solve the transient tem

利用模态叠加法计算得到安装非线性能量阱前后欧拉梁的振动响应(vibration responses of the euler beam with a nonlinear energy sink is solved by using modal method)

梁单元分析，采用matlab编程，采用三维梁单元和模态叠加法实现振动分析(Beam element analysis, using MATLAB programming, using three-dimensional beam element and mode superposition method to realize vibration analysis)

使用模态叠加法求解在基础激励下的悬臂梁端部的挠度(Use the modal superposition method to solve the deflection of the cantilever beam end under fundamental excitation)