About this Abstract |
Meeting |
2022 TMS Annual Meeting & Exhibition
|
Symposium
|
Materials Design and Processing Optimization for Advanced Manufacturing: From Fundamentals to Application
|
Presentation Title |
A Numerical and Experimental Study of Simultaneous Topology/Orientation Optimization via SOMP and Principal Stress Directions |
Author(s) |
Bailey Brown, Brett Compton, Natasha Vermaak, Nadim Hmeidat, Jackson Wilt, Xiu Jia |
On-Site Speaker (Planned) |
Bailey Brown |
Abstract Scope |
This research presents an analysis of simultaneous optimization of topology and material orientation based on a principal stress method within the Solid Orthotropic Material with Penalization (SOMP) framework. Numerical case studies were completed to assess the benefits of including orientation in the design process for minimum compliance structures comprised of anisotropic composite materials. Comparisons were made between topologies designed with orthotropic material properties and cases assuming isotropic material properties (using Solid Isotropic Material with Penalization – SIMP). Direct-Ink Writing (DIW) additive manufacturing was used to 3D-print the topologies (using a concentric slicing algorithm to approximate the prescribed orientation) which were tested in bending to validate numerical results. Results indicate that a concentric slicing algorithm closely approximates ideal orientation in optimized topologies and that no performance benefit is obtained from topologies that incorporate orientation into the optimization scheme over topologies optimized for isotropic materials, provided a concentric slicing algorithm is used. |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, Polymers, Other |