一般平面的理想流量解决方案没有对称轴
Sergei Alexandrov1,2, Vyacheslav Mokryakov1
1Ishlinsky Institute for Problems in Mechanics RAS, 101-1 Prospect Vernadskogo, Moscow 119526, Russia.
Materials (Basel, Switzerland)
|December 9, 2023
概括
本研究为塑性中的散装理想流量提出了一般解决方案,使得设计工具可以用于没有对称轴的特定材料流量. 这些分析解决方案还通过计算压力分布来预测工具磨损.
科学领域:
- 连续力学 连续力学
- 塑性理论 塑性理论
- 材料科学 是一种材料科学.
背景情况:
- 大量理想流在可塑性方面至关重要,通常涉及解决方案定义边界的反向问题.
- 现有的解决方案通常假定对称轴,限制了它们的适用性.
- 理想的流量模型包括同位体刚性/塑料材料和双滑动和旋转模型.
研究的目的:
- 为不需要对称轴的散装理想流量开发通用解决方案.
- 为确定工具形状提供框架,从而产生特定的理想流动模式.
- 为了能够计算工具表面的压力分布,以预测磨损.
主要方法:
- 将溶液的一般结构描述为两个由塑性区域连接的刚性区域.
- 使用塑料和刚性区域之间的直线特征线.
- 对于具有曲线特征的区域,采用里曼法.
主要成果:
- 为非轴对称的理想流量开发实际分析的一般解决方案.
- 确定产生这些流动所需的特定工具形状.
- 在工具表面的压力分布的计算.
结论:
- 开发的解决方案将理想流量分析的适用性扩展到更复杂的场景.
- 这些发现促进了成型工具的设计,并有助于预测工具磨损.
- 解决方案的分析性质将复杂的数值模拟的需求降到最低.
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