虚拟修剪：基于支柱的异质晶格结构的参数化几何建模方法

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2024-04-09 DOI:10.1093/jcde/qwae034

Zhuangyu Li, W. Xiao, Gang Zhao, Ziqi Zhou, Shulin Chen, Changri Xiong

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引用次数: 0

摘要

随着计算机辅助设计技术的引入，几何建模已成为设计过程中不可或缺的一部分。随着增材制造（AM）技术的发展，设计自由度达到了新的高度，可以生产传统制造方法无法实现的复杂晶格结构。然而，这些晶格结构的几何建模仍面临巨大挑战，尤其是基于异质支柱的晶格结构。目前的方法在精度或几何控制方面存在局限性。本文介绍的 Virtual-Trim 是一种高效、稳健的异质支柱网格结构几何建模新方法。Virtual-Trim 从用户定义的线框模型和几何信息开始，创建可用于 AM 的 STL 模型，无需进行劳动密集型布尔运算。Virtual-Trim 所涉及的基本原理和步骤已在该软件中作了广泛介绍。此外，还使用 Virtual-Trim 方法设计了各种模型，并分析了 Virtual-Trim 在生成时间和模型大小方面的性能。这些模型的成功打印证明了该方法出色的可制造性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Virtual-trim: A parametric geometric modeling method for heterogeneous strut-based lattice structures

Geometric modeling has been integral to the design process with the introduction of Computer-Aided Design. With Additive Manufacturing (AM), design freedom has reached new heights, allowing for the production of complex lattice structures not feasible with traditional manufacturing methods. However, there remains a significant challenge in the geometric modeling of these lattice structures, especially for heterogeneous strut-based lattice structures. Current methods show limitations in accuracy or geometric control. This paper presents the Virtual-Trim, a novel method for the geometric modeling of heterogeneous strut-based lattice structures that is both efficient and robust. Virtual-Trim begins with user-defined wireframe models and geometric information to create STL models ready for AM, eliminating the need for labor-intensive Boolean operations. The fundamental principles and steps involved in Virtual-Trim are extensively described within. Additionally, various models using Virtual-Trim method are designed, and the performance of Virtual-Trim in terms of generation time and model size is analyzed. The successful printing of these models attests to the method's excellent manufacturability.

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.