A practical redesign method for functional additive manufacturing
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TL;DR: In this paper, the authors propose a method combining both subtractive and generative methods to define material distribution in the design space with consideration of AM manufacturability analysis and functional requirements.
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About: This article is published in Procedia CIRP. The article was published on 01 Jan 2021. and is currently open access. The article focuses on the topics: Functional design & Design for manufacturability.
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Citations
Experimental study on the heat transfer performance of a vapour chamber with porous wick structures printed via metallic additive manufacturing
T. Faragó,Poul Erik Petersen +1 more
TL;DR: In this paper , two types of vapour chambers with integrated 3D printed wicks were designed, printed, and tested to demonstrate the feasibility of constructing VCs through metallic additive manufacturing and a water-cooling test system was established to study the temperature distribution, thermal resistance, and maximum heat transfer power of the VCs.
22
A New Hybrid Generative Design Method for Functional & Lightweight Structure Generation in Additive Manufacturing
TL;DR: Wang et al. as mentioned in this paper proposed a new hybrid generative design method, which combines many existing design for additive manufacturing (DfAM) methods and printing preparation optimization methods to realize a complex design with ensured manufacturability via the use of a single DfAM method.
4
A two-step parametric generative method for heat exchangers design in additive manufacturing
TL;DR: In this paper , a two-step generative design method is proposed to optimize the functional features for performance improvement and lightweight design in heat exchanger design, where a set of finite optimized candidate alternative solutions from the first optimization loop are inputs for the second lightweight optimization loop to form boundary conditions and freezing regions in lightweight design.
2
Methodology to implement CAE validation in repair & redesign parts process of plastic injection molds
Natanael González-Bautista,V.H. Mercado-Lemus,M. Hernández-Hernández,Isaias Garduño-Olvera,Hugo Arcos-Gutierrez +4 more
TL;DR: In this paper , a methodology for redesigning and repairing injection molding parts based on the frontal process for developing concepts is proposed, which helps in the validation through Computer-Aided Engineering (CAE) in the designing stage using CAD software, ensuring the quality of the repair.
1
Prototyping a novel compact 3-DOF hydraulic robotic actuator via metallic additive manufacturing
Weijun Wang,Feng Tang,Chengpu Zheng,Tian Xie,Chaoyang Ma,Yicha Zhang +5 more
TL;DR: In this paper , a high load-to-weight ratio 3-DOF robot actuator with orthogonally connected hydraulic rotary cylinders is designed for additive manufacturing (AM), and a set of loading experiments are conducted on the AM-printed prototype.
References
Topology optimization approaches: A comparative review
Ole Sigmund,Kurt Maute +1 more
TL;DR: An overview, comparison and critical review of the different approaches to topology optimization, their strengths, weaknesses, similarities and dissimilarities and suggests guidelines for future research.
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Design for additive manufacturing: trends, opportunities, considerations, and constraints
Mary Kathryn Thompson,Giovanni Moroni,Thomas H.J. Vaneker,Georges M. Fadel,R. Ian Campbell,Ian Gibson,Alain Bernard,Joachim Schulz,Patricia Graf,Bhrigu Ahuja,Filomeno Martina +10 more
TL;DR: In the case of aircraft components, AM technology enables low-volume manufacturing, easy integration of design changes and, at least as importantly, piece part reductions to greatly simplify product assembly.
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
TL;DR: In this paper, a novel methodology is proposed to design a lattice structure through topology optimization under stress constraint, in order to generate lightweight lattice structures with predictable yield performance.
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Design for additive manufacturing: Framework and methodology
TL;DR: This paper presents a framework for DfAM methods and tools, subdivided into three distinct stages of product development: AM process selection, product redesign for functionality enhancement, and product optimization for the AM process chosen.
221
Efficient design optimization of variable-density cellular structures for additive manufacturing: theory and experimental validation
TL;DR: In this article, a homogenization-based topology optimization method was proposed to optimize the design of variable-density cellular structure, in order to achieve lightweight design and overcome some of the manufacturability issues in additive manufacturing.
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