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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Design for Mechanical Behavior of Architectured Materials via Topology Optimization
Presentation Title Multiscale Design with Architected Material Connectivity for Multiphysics Problems
Author(s) Zongliang Du, Hayoung Chung, Sandilya Kambampati, Alicia Hyunsun Kim
On-Site Speaker (Planned) Zongliang Du
Abstract Scope With the development of Addictive Manufacturing (AM) technology, material with designed architecture is attracting increasing attention. Topology optimization (TO) presents a systematic approach to design optimal material and structures mathematically. Multiscale topology optimization has recently been introduced, which determines the optimal material properties and simultaneously optimizes spatially varying architected material. Homogenization-based TO is a popular approach to multiscale optimization but usually does not consider how the unit cells are connected as architected material vary within the structure. In the present work, the connectivity between material architectures is thoroughly investigated and explicitly controlled by introducing a connectivity index during optimization. This is demonstrated in the multiscale optimization framework where the macroscopic structure and multiple architected material are simultaneously optimized. Finally, this approach is adopted to study coupled multiphysics design problems, e.g., mechanical-thermal systems and acoustic/optical metamaterials, demonstrated via numerical examples.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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 Honeycomb TWIP Steels for Maximum Energy Absorption
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 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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