摘要
对于环形板,即使在轴对称载荷和边界约束条件下,也可能发生非轴对称的屈曲状态.本文利用VanKarman型方程作为控制微分方程来研究极正交各向异性环形板的非轴对称屈曲状态.分析结果表明:它是两个藉合的四阶变系数非线性偏微分方程组,并含有多个参数,如几何参数、材料参数、载荷参数等.文中采用打靶法计算屈曲临界载荷.
The non-axisymmetric buckling maybe happens for annular plates even if under the condition of axisymmetric loading and boundary constraint.The non-axisymmetric buckling of polar orthotropic is investigated.The control differential equations are the Van Karman type of equations that consist of two fourth-rank nonlinear partial differential coupling equations.The geometric,material and load parameters are induded in these equations.The critical load of an example is calculated by shooting target method.
出处
《南昌大学学报（工科版）》
CAS
2003年第2期72-77,共6页
Journal of Nanchang University(Engineering & Technology)
关键词
环形板
屈曲
临界载荷
annular plates
buckling
critical load
