平滑粗的边缘:评估自动生成的多网格过渡.
Martha Baldwin1, Nicholas A Meisel2, Christopher McComb1
1Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.
3D printing and additive manufacturing
|October 3, 2024
概括
在增材制造中,在不同格子细胞类型之间创建平稳的过渡至关重要. 变化自编码器可以通过确保细胞端点在潜在空间中靠近以确保更好的结构完整性来自动化这一过程.
科学领域:
- 添加剂制造 添加剂制造 添加剂制造
- 材料科学 材料科学 材料科学
- 计算设计的计算设计.
背景情况:
- 增材制造使轻量化,复杂的组件使用单元格子细胞和分级.
- 具有不同细胞类型的多层格子结构对负载不同的部件有利.
- 单元细胞类型之间的突然转换可能导致应激度和失效.
研究的目的:
- 展示和评估一种自动化创建过渡格子细胞的方法.
- 确定有助于在不同格子拓之间顺利过渡的因素.
- 为了应对在多网格结构中实现平稳过渡的挑战,特别是不相似的细胞之间.
主要方法:
- 利用变化自编码器 (VAE) 来生成过渡格子细胞.
- 运用计算实验来分析过渡的平滑性.
- 检查了终点的隐性空间近距离与过渡流性之间的关系.
主要成果:
- 隐性空间中的终点的近距离是过渡顺的强有力的预测因素.
- 过渡间隔的数量并不是顺过渡的唯一决定因素.
- 开发的方法自动化了为多层格子结构创建过渡格子细胞的过程.
结论:
- 变化自动编码器提供了一种可行的方法,用于在增材制造中自动化平滑的晶格过渡.
- 隐藏空间表示是实现不同格子细胞类型之间无集成的关键.
- 这种方法增强了多格结构的设计,提高了整体部分的功能和可靠性.
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