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针对​轨道压板螺栓焊缝的开裂现象分析
- 2019-04-19-

      针对轨道压板螺栓焊缝的开裂现象,提出一种等效模拟的动力学仿真方法对其进行分析。以某炼钢厂铸造起重机为对象,采用 Adams 和 HyperMesh 进行联合仿真,在 Adams 中借助拉压弹簧阻尼器等效模拟螺母的挤压以及焊缝的连接,以减少有限元分析的计算量;在 HyperMesh 中将桥架梁作柔性化处理,以提高整个仿真模型在竖直方向的振动精度。将有限元仿真结果与实测值进行比较,结果表明,焊缝处应力值的仿真结果与实测值相一致。这验证了等效螺栓焊缝动力学仿真方法的正确性和有效性。

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 轨道压板

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