用文字和物理约束生成既美观又符合力学要求的设计。
Generating Physically Sound Designs from Text and a Set of Physical Constraints
- 结合文本描述与物理仿真，联合优化结构与视觉效果。
- 在不同载荷和分辨率下均满足刚度与密度工程指标。
- 适合需要兼顾美学与力学性能的工业设计场景。
我们提出TIDES，一种基于文本描述和物理约束生成物理上合理设计的文本引导方法。TIDES联合优化结构（拓扑）与视觉属性。采用预训练的文图模型衡量设计与文本提示的视觉一致性，利用可微分物理模拟器评估其物理性能。我们在多种载荷与支撑条件、不同分辨率的结构优化问题上评估TIDES，并通过实验在实验室中对2D梁设计进行3点弯曲测试，这些设计经拉伸后3D打印成型。结果表明，TIDES能有效协同优化两个目标，在满足工程设计要求（如合规性与密度）的同时，融入文本指定的特征。
原文摘要 · Abstract (English)
We present TIDES, a text informed design approach for generating physically sound designs based on a textual description and a set of physical constraints. TIDES jointly optimizes structural (topology) and visual properties. A pre-trained text-image model is used to measure the design's visual alignment with a text prompt and a differentiable physics simulator is used to measure its physical performance. We evaluate TIDES on a series of structural optimization problems operating under different load and support conditions, at different resolutions, and experimentally in the lab by performing the 3-point bending test on 2D beam designs that are extruded and 3D printed. We find that it can jointly optimize the two objectives and return designs that satisfy engineering design requirements (compliance and density) while utilizing features specified by text.
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