方向三：CAD oriented Topology Optimization

We develop methods that bridge topology optimization and CAD modeling, enabling the direct generation of editable, history-based geometric features. With Autodesk Inventor, optimized designs are reconstructed as fully parametric models, allowing seamless design refinement and rapid downstream modifications. Extrusion-based design is a fundamental modeling strategy in CAD and feature-based solid modeling. A 2D sketch (typically a closed profile) is extruded along a straight or curved path to form a 3D solid. This approach allows intuitive control over geometry and is widely used in parametric modeling, design automation, and manufacturing-aware optimization. Extrusions can represent key structural features like ribs, walls, and channels, and support downstream processes such as CNC machining or additive manufacturing.

我们开发了将拓扑优化与 CAD 建模深度融合的方法，实现了可直接编辑、具有建模历史的几何特征自动生成。基于 Autodesk Inventor，优化结果可被重建为完全参数化的模型，支持快速设计迭代与后续制造修改。 基于拉伸特征的设计是一种基础的 CAD 建模策略，常用于特征建模与参数化建模中。该方法通过将二维草图（通常为封闭轮廓）沿直线或曲线方向拉伸，生成三维实体几何。其直观、高效、便于参数控制，广泛应用于结构设计、自动化建模以及面向制造的优化中。拉伸特征可以用于表达关键结构，如筋板、壁厚或流道等，并兼容后续加工流程（如 CNC 或 3D 打印）。