Journal ArticleDOI
Topological design optimization of lattice structures to maximize shear stiffness
TLDR
The proposed energy-based homogenization procedure utilizes the sensitivity filter technique and a modified optimal algorithm is proposed to evolve the microstructure of lattice materials with distinct topological boundaries and shows that the shear stiffness and bearing properties of the optimized lattice structure is better than that of the traditional honeycomb sandwich structure.About:
This article is published in Advances in Engineering Software.The article was published on 2017-10-01. It has received 43 citations till now. The article focuses on the topics: Topology optimization & Shear modulus.read more
Citations
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Journal ArticleDOI
Evaluation of topology-optimized lattice structures manufactured via selective laser melting
TL;DR: In this paper, additive manufacturing and topology optimization are combined for designing Face Centre Cube (FCC), Vertex Cube (VC), and Edge Center Cube (ECC) structures, which are manufactured via SLM technology.
Journal ArticleDOI
Additively manufactured porous metallic biomaterials
TL;DR: An overview of the various aspects of design, manufacturing, and bio-functionalization of additively manufactured porous metallic biomaterials from a "designer material" viewpoint and discusses how rational design principles could be used to topologically design the underlying lattice structures in such a way that the desired properties are simultaneously optimized.
Journal ArticleDOI
Topological shape optimization of 3D micro-structured materials using energy-based homogenization method
Jie Gao,Hao Li,Liang Gao,Mi Xiao +3 more
TL;DR: Results indicate that the optimized 3D material microstructures with expected effective properties are featured with smooth structural boundaries and clear interfaces.
Journal ArticleDOI
Design of shell-infill structures by a multiscale level set topology optimization method
TL;DR: A multiscale level set topology optimization method for designing shell-infill structures and the shell-coated macro structure and the micro infill are optimized concurrently to achieve the optimal shell- infill design with prescribed volume fractions.
Journal ArticleDOI
Deformation of honeycomb cellular structures manufactured with Laser Engineered Net Shaping (LENS) technology under quasi-static loading: Experimental testing and simulation
Paweł Baranowski,Paweł Płatek,Anna Antolak-Dudka,Marcin Sarzyński,Michał Kucewicz,Tomasz Durejko,Jerzy Małachowski,Jacek Janiszewski,Tomasz Czujko +8 more
TL;DR: In this article, two honeycomb topologies with different elementary cells were designed and manufactured from Ti-6Al-4 V alloy powder with the use of Laser Engineered Net Shaping (LENS) system and compressed using a universal strength machine.
References
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Journal ArticleDOI
Asymptotic Analysis of Periodic Structures
Book
Topology Optimization: Theory, Methods, and Applications
Martin P. Bendsøe,Ole Sigmund +1 more
TL;DR: In this article, the authors proposed a topology optimization by distribution of isotropic material for truss structures with anisotropic materials, based on the topology design of truss structure.
Book
Asymptotic analysis for periodic structures
TL;DR: In this article, the authors give a systematic introduction of multiple scale methods for partial differential equations, including their original use for rigorous mathematical analysis in elliptic, parabolic, and hyperbolic problems, and with the use of probabilistic methods when appropriate.
Book
Non-Homogeneous Media and Vibration Theory
TL;DR: In this article, a spectral perturbation of spectral families and applications to self-adjoint eigenvalue problems are discussed, as well as the Trotter-Kato theorem and related topics.
Journal ArticleDOI
Ultralight, ultrastiff mechanical metamaterials
Xiaoyu Zheng,Howon Lee,Todd H. Weisgraber,Maxim Shusteff,Joshua R. Deotte,Eric B. Duoss,Joshua D. Kuntz,Monika M. Biener,Qi Ge,Julie A. Jackson,Sergei O. Kucheyev,Nicholas X. Fang,Christopher M. Spadaccini +12 more
TL;DR: A class of microarchitected materials that maintain a nearly constant stiffness per unit mass density, even at ultralow density is reported, which derives from a network of nearly isotropic microscale unit cells with high structural connectivity and nanoscale features, whose structural members are designed to carry loads in tension or compression.
Related Papers (5)
Compressive properties of functionally graded lattice structures manufactured by selective laser melting
Functionally graded lattice structure topology optimization for the design of additive manufactured components with stress constraints
Lin Cheng,Jiaxi Bai,Albert C. To +2 more