matlab空间梁单元有限元源程序beam3d,不错的 还行-Matlab source space beam element finite element beam3d, good ok

基于大型商业有限元软件ANSYS，采用beam单元建立的连续梁桥模型(Based on the large commercial finite element software ANSYS, a continuous beam bridge model is established by using the beam unit)

以悬臂梁为例，用有限元法编程生成质量矩阵和刚度矩阵（采用平面梁单元，单元数在10到30之间）。 使用matlab的用于广义特征值问题分析的函数（eig(A,B,'chol')，该命令使用乔莱斯基分解的方法，计算对称矩阵A和对称正定矩阵B的广义特征值问题。A对应刚度矩阵，B对应质量矩阵）计算梁的前三阶固有频率和振型，计算得到梁的前三阶固有频率和振型，并画出振型图。(Taking cantilever beam as an example, the mass matrix and stiffness

主要是有限元分析，建立梁的模型，对照《有限单元法》这本书学习，事半功倍(It is mainly the finite element analysis, the establishment of beam model, compared with the book "finite element method" study, get twice the result with half the effort)

还不错的求解有限元方法求解悬臂梁的振动问题。(It is not bad to solve the vibration problem of cantilever beam by finite element method.)