ANSYS在梁-板壳结构随机振动分析中的应用

基于ANSYS建立了梁-板壳结构有限元力学模型。对梁-板壳结构模型在地震位移激励作用下的随机振动响应特性进行分析,并对后处理结果进行简要分析。最后利用ANSYS随机振动结果进行随机疲劳计算并对工程实际中钢架结构的随机振算。主要振动响应特性分析结果以及随机疲劳的计算分析对钢架结构的设计具有一定的指导和参考价值,可以使工程设计人员在设计钢架结构阶段考虑得更加深入,使钢架结构得以优化,以期提高钢架结构的抗振性能和使用寿命。

The Application of ANSYS on the Random Vibration Analysis of Beam-shell Structure

In this paper, a finite element model for beam shell structure was proposed base on ANSYS. And then the random vibration properties of beam shell structure under the effects of earthquake excitation were analyzed, after that the post-processing results were analyzed briefly. Finally, the fatigue strength of the model was calculated based on the random vibration data. The vibration properties and random fatigue analysis are valuable for steel structure engineering application. By the analysis results, the engineers can consider in depth in the design phase of the steel-framed structures. Steel structure can be optimized based on the results, so that its antivibration performance and life can be improved.