钢模台车模板变截面梁的变形计算

Deformation Calculation for Variable Cross-Section Girder of Steel Mold Trolley of Cyclostyle

在工程设计中,经常需要计算复杂截面梁的变形。由于变截面梁在受到复杂载荷作用时,其微分方程数学描述复杂,推导和计算困难,有限差分法采用一组以挠度为未知量的代数方程,近似地代替挠曲线的微分方程,通过解这一组代数方程即可求得挠曲线上某点的挠度。

The deformation of the variable cross-section girder ofter needs to be calculated in the engineering design. When the variable cross-section girders bear complex load,it is very difficult to express with differential equation and is very difficult to solve them. The finite difference method approximatively takes a set of algebraic equations of deflection being an unknown quantity as a set of differential equations of deflection curve and calculates the set of algebraic equation ,so the deflection of a point in curve can be got