基于ANSYS的跑道形波纹管结构参数对其应力的影响分析

ANSYS-based Analysis of Influence of Structural Parameters of Runway-shaped Bellows on Their Stresses

为了研究跑道形波纹管结构参数变化对其应力分布的影响,基于Solidworks平台建立了跑道形波纹管的三维有限元模型,通过ANSYS有限元仿真求得跑道形波纹管工作状态下的固有频率,同时对比分析了不同参数下跑道形波纹管应力分布情况,求得结构参数对其应力的影响。研究结果表明:波距与壁厚的增加与轴向应力变化呈反比关系,波高的增加与轴向应力的变化呈正比关系。因此可以通过增加波距、壁厚或者减小波高的方式来提高波纹管的强度及承载能力,该研究结果能够为跑道形波纹管的结构优化设计提供参考。

In order to study the influence of the change of structural parameters of runway bellows on its stress distribution,a three-dimensional finite element model of runway bellows was established based on Solidworks platform,and the inherent frequency of runway bellows under working condition was obtained through ANSYS finite element simulation,and the stress distribution of runway bellows under different parameters was compared and analyzed to find out the influence of structural parameters on its stress.The results show that the increase of wave distance and wall thickness is inversely proportional to the change of axial stress,and the increase of wave height is positively proportional to the change of axial stress.Therefore,the strength and loadbearing capacity of corrugated pipe can be improved by increasing the wave distance and wall thickness or reducing the wave height,and the research results can provide reference value for the structural optimization design of runway corrugated pipe.