摘要
从框架中杆件纵横弯曲计算的理论解出发,推导出在轴力逐渐增大情况下其对变形和弯矩的放大系 数;结合算例分析了考虑纵横弯曲时,剪力和约束条件对内力和变形的影响;用软件ANSYS进行简支梁的 纵横弯曲计算,参照理论解,根据精度要求提出梁的参考剖分份数．
In this article, on the base of the theoretical calculation in vertical and horizontal bending, the amplification factor formulas of deflection and moment with the axis - load increment is deduced. The influencing of the shear stress and the constraint condition to moment and deflection, under the load of vertical and horizontal bending, is analyzed. Using FEM software of ANSYS to calculate vertical and horizontal bending beam, referencing the theoretical value, the appropriate subdivision number about beam is obtained.
出处
《福州大学学报（自然科学版）》
CAS
CSCD
北大核心
2005年第z1期110-114,共5页
Journal of Fuzhou University(Natural Science Edition)
关键词
纵横弯曲
简支梁
剪切变形
有限元
vertical and horizontal bending
free beam
shearing deformation
finite element
