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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Design for Mechanical Behavior of Architectured Materials via Topology Optimization
Presentation Title Incorporating Material Heterogeneity in Automated Design Tools
Author(s) Michael Groeber, Edwin Schwalbach, Michael Uchic, Jonathan Miller, Paul Shade, William Musinski, Sean Donegan, Daniel Sparkman
On-Site Speaker (Planned) Michael Groeber
Abstract Scope Additive manufacturing presents extreme potential and concern for component design. The ability to spatially tailor processing conditions opens the door to sophisticated designs with heterogeneous materials. Accounting for heterogeneity, before exploiting it, requires the ability to link local processing state to performance of local material. A concern with current geometry-based design approaches, like topology optimization, is not directly accounting for material property changes with geometry updates. An AFRL program is currently working to address this challenge by generating highly-pedigreed data sets including detailed process descriptions, post-build characterization and mechanical testing. These data sets will be made available to the AM community in process-structure and structure-property material modeling challenge problems. Finally, challenge results will be used to feed novel model aggregation akin to weather forecasting strategies. Upon building these predictive engines, a follow-on program will focus on incorporating them into topology optimization frameworks. This talk will overview the two programs.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Level Set Based Topology Optimization Framework to Design Extreme Thermos-elastic Microstructure: Influence of Graded Interfaces and Multi-materials
A Panel Discussion for the Design of Materials via Topology Optimization
Deformation and Failure of Bioinspired Segmented Architectured Beams and Plates
Dense Architectured Materials in Engineering and in Nature
Design for Discovery: Integrated Computational Design & Additive Manufacturing of Mechanical Metastructures with a Parametric Level-set Based Approach
Design of Functionally Graded Microstructures with Manufacturability
Design of Honeycomb TWIP Steels for Maximum Energy Absorption
Designing Metamaterials for Enhanced Noise and Vibration Properties
Discrete-element Modeling of Nacre-like Materials: Random Microstructures, Nonlinear Deformations and Fracture
Efficient Microstructural Design: A Topological Sensitivity Approach
Extreme Design: An Adrenalin Rush with Topology Optimization, Metamaterials and Additive Manufacturing
Incorporating Material Heterogeneity in Automated Design Tools
Inverse Homogenization Design of Micro-truss Architected Materials Using Geometric Primitives
L-29: Mechanical Properties of Work Hardened Steel Multilayers with Bimodal Grain Size
Multiscale Design with Architected Material Connectivity for Multiphysics Problems
Optimal Design of Architected Materials with Extreme Energy Dissipation
Optimized Microlattices for High Strength and Impact Attenuation
Realizing Optimized Mesoscale 3D Architected Material Designs via Nanoparticle Assembly by Pointwise Spatial Printing
Tailoring the Dynamic Properties of 3D Woven Metallic Lattices through Topology Optimization
Topology Optimization for Sliding Abrasive Wear of Bi-material Composites
Topology Optimization of Architected Materials with Application-specific Tailored Properties
Topology Optimization of Cellular Materials with Tailored Band Gaps
Topology Optimization of Multi-material Truss Lattice Structures via Geometry Projection
Topology Optimization with RVE Lattice Structures Subject to Additive Manufacturing and Stress Design Constraints

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