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一个多尺度拓优化设计框架与数据驱动的替代模型
Han Zhou1,2, Chunping Zhou3
1AVIC Research Institute for Special Structures of Aeronautical Composites, Jinan, 250032, China. 15954788652@163.com.
Scientific reports
|January 6, 2026
概括
这项研究引入了一个新的多尺度框架,用于设计先进的超材料. 它可以同时优化材料特性和结构,以提高航空航天和生物医学领域的性能.
科学领域:
- 计算力学 计算力学 计算力学
- 材料科学 材料科学 材料科学
- 拓优化拓的优化
背景情况:
- 传统的拓优化由于规模脱和计算成本而与功能分级的层次结构作斗争.
- 设计复杂的高性能超材料需要先进的计算方法.
研究的目的:
- 开发一个具有变革性的线下-线上多层次框架,用于设计功能分级的层次结构.
- 为了实现对性能驱动的元材料的宏观拓和微观格子参数的同时优化.
主要方法:
- 利用移动最小平方替代模型通过多尺度有限元分析实时绘制属性映射,绕过尺度分离.
- 实施了一个统一的离散材料优化方案,用于对拓和格子参数的并发优化.
- 验证了对几何复杂基准的框架.
主要成果:
- 证明了优越的机械理性,具有负载路径对齐的配置不变性和自适应密度调制.
- 实现了对空间配置分布和异性质性质分级的同时控制.
- 桥梁高维设计自由与计算可处理性.
结论:
- 开发的框架为设计以性能为导向的元材料建立了一个新的范式.
- 为航空航天和生物医学应用提供制造现成的解决方案.
- 克服了传统拓优化对等级结构的局限性.
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