A Parametric Design Method for Engraving Patterns on Thin Shells.

Area of Science:

• Computational Engineering
• Structural Design
• Materials Science

Background:

• Traditional heuristic methods struggle with designing diverse, lightweight, and viable thin-shell structures.
• Existing methods often require computationally intensive remeshing for pattern optimization.

Purpose of the Study:

• To present a novel parametric design framework for engraving patterns on thin-shell structures.
• To optimize pattern parameters for enhanced structural stiffness and minimized material consumption.
• To increase the diversity and efficiency of thin-shell structure design.

Main Methods:

• A parametric design framework operating directly on functional representations of shapes and patterns.
• Pattern engraving through simple function operations, avoiding traditional Finite Element Method (FEM) remeshing.
• Optimization of pattern parameters including size and orientation.

Main Results:

• Demonstrated computational efficiency by eliminating the need for remeshing.
• Achieved optimization of structural stiffness while minimizing material consumption.
• Successfully generated diverse regular, irregular, and customized patterns.

Conclusions:

• The proposed method offers a computationally efficient and versatile approach to thin-shell structure design.
• The framework significantly expands design possibilities for lightweight and structurally sound shells.
• Experimental validation with 3D printed results confirms the method's effectiveness.