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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Design for Mechanical Behavior of Architectured Materials via Topology Optimization
Sponsorship TMS Structural Materials Division
TMS: Additive Manufacturing Bridge Committee
TMS: Mechanical Behavior of Materials Committee
Organizer(s) Natasha Vermaak, Lehigh University
Andrew T Gaynor, U.S. Army Research Laboratory
Scope The architectured strategy for designing materials and structures introduces a scale for materials organization between the microstructure and the macroscopic shape. In this “meso-scale” regime, spatial heterogeneity is prescribed through arranging combinations of materials, or of materials and space, in configurations and with connectivities or topologies that target enhanced mechanical performance. Topology optimization offers a mathematical framework to determine the most efficient material layout for prescribed constraints and loading conditions, and often leads to significant light-weighting at the structural scale. Topology optimization also offers a framework for accessing unexplored and previously unachievable areas of material-property space. There is enormous potential to design meso-scale materials, in two and three dimensions, with controlled microarchitecture, topology, and new mechanical and multiphysics properties. For example, design approaches may include lattice structures or repeating unit cell homogenization. This symposium will feature leading strategies for using various topology optimization techniques in the design of the mechanical behavior of architectured materials. Potential topics of interest include:

* Multi-objective and/or multiphysics optimization targeting extremal mechanical properties.
* Optimization considering process parameter relations to architected material design.
* Multi-scale design of hierarchical materials.
* Optimization of functionally graded materials
* Optimization under material and processing uncertainty
Abstracts Due 07/16/2017
Proceedings Plan Undecided
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE

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
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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