OpenAM-SimCCX:一个开源的框架,用于用CalculiX进行增材制造的热力学分析
Jesus Romero-Hdz1, Baidya Nath Saha2, Jobish Vallikavungal3
1Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, San Nicolás de los Garza 66455, Mexico.
Materials (Basel, Switzerland)
|November 13, 2025
概括
OpenAM-SimCCX是一个开源的模拟工具,用于增材制造 (AM). 它准确地预测了选择性激光烧结 (SLS) 过程中的残余应力和扭曲,为商业软件提供了可访问的替代方案.
科学领域:
- 材料科学与工程 材料科学与工程
- 计算力学 计算力学 计算力学
- 制造业 制造技术 制造技术
背景情况:
- 像选择性激光烧结 (SLS) 这样的增材制造 (AM) 工艺面临热循环的挑战,导致残余应力和变形.
- 这些问题可能会损害制造部件的尺寸准确性和部件完整性.
- 现有的模拟工具通常是昂贵的,限制了研究和工业的可访问性.
研究的目的:
- 引入OpenAM-SimCCX,这是一个基于有限元素的开源模拟工作流,用于AM过程的热力学分析.
- 为模拟SLS提供一种可访问和具有成本效益的工具,捕捉关键过程物理.
- 使研究人员和中小企业能够研究工艺参数对零件质量的影响.
主要方法:
- 开发一个开源的工作流,OpenAM-SimCCX,使用CalculiX 2.21.1.
- 实现一个依赖时间的热力学模型,并逐层激活元素.
- 选择性激光烧结 (SLS) 的模拟,考虑激光材料相互作用和扫描策略.
主要成果:
- 扫描策略,路径规划,残留压力和扭曲之间有明显的相关性.
- 通过计算时间分析验证了OpenAM-SimCCX框架的效率.
- 展示了框架能够准确地模拟SLS流程的关键方面的能力.
结论:
- OpenAM-SimCCX提供了一种有效和经济的开源解决方案,用于模拟AM热力学行为.
- 该框架有助于更深入地理解和优化SLS流程.
- 它促进在学术和工业环境中更广泛地采用先进的模拟工具.
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