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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Wang, Hongqing Chen, Yong David, W. Rosen |
| Copyright Year | 2005 |
| Abstract | This paper presents a hybrid geometric modeling method to create CAD models of large-scale conformal cellular structures effectively and efficiently. Cellular material structures can be engineered at the mesoscopic scale for high performance and multi-functional capabilities. One type of cellular structure is conformal lightweight truss. A simple method of constructing models of uniform trusses is to pattern unit cells linearly within a CAD system. However, by orienting strut directions and adjusting strut sizes, such trusses can be optimized to achieve superior strength, stiffness, and weight characteristics. For large truss structures, computational and storage complexities cause difficulties in CAD system modeling. In this paper, a new hybrid geometric modeling approach of directly creating tessellated models is developed to automate the geometric modeling process of conformal truss structures efficiently. This modeling approach is intended to support the design, analysis, optimization, and manufacture of conformal truss structures. Examples are presented and the computational efficiency of the hybrid method is compared with the approach of creating the complete solid model of cellular structures. |
| Sponsorship | Design Engineering Division and Computers and Information in Engineering Division |
| Starting Page | 421 |
| Ending Page | 427 |
| Page Count | 7 |
| File Format | |
| ISBN | 0791847403 |
| DOI | 10.1115/DETC2005-85366 |
| e-ISBN | 0791837661 |
| Volume Number | Volume 3: 25th Computers and Information in Engineering Conference, Parts A and B |
| Conference Proceedings | ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference |
| Language | English |
| Publisher Date | 2005-09-24 |
| Publisher Place | Long Beach, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Stl Additive manufacturing Geometric modeling Conformal structures Cellular structure Truss structures Trusses (building) |
| Content Type | Text |
| Resource Type | Article |
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