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Optimizing Transition arc between Blot Head and Blot Bar to Obtain Minimum Stress Concentration

机译:优化污点和污点之间的过渡电弧,以获得最小应力集中

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摘要

An effective parameterization method is proposed to optimize transition arc's shape between blot head and blot bar for minimum stress concentration. This method adopts super circular curve equation to describe transition arc's shape, then selecting equation's parameters as the design variables. Thus it becomes very easy to describe and obtain optimal transition arc's shape just making use of the optimization module provided in a commercial finite element package due to the less number of design variables. Finally, an example of hexagonal bolt M64 is presented and discussed to demonstrate the accuracy and the practical of the proposed shape optimization method.
机译:提出了一种有效的参数化方法,以优化污点和污点之间的过渡弧形,以实现最小应力集中。该方法采用超级圆形曲线方程来描述转换弧形的形状,然后选择等式的参数作为设计变量。因此,由于设计变量较少的设计变量较少,因此变得非常容易描述和获得最佳的过渡弧形的形状,只需利用商业有限元件包中提供的优化模块。最后,提出并讨论了六边形螺栓M64的示例以证明所提出的形状优化方法的准确性和实际。

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