Additive Manufacturing for Structures Generated by Topology Optimization

Topology optimization is a mathematical approach that deals with determination of connectivity, geometries of cavities and location of voids in the design domain considered. In topology optimization, filtering technique is one of the parameter that affects the topology generated. Due to the difficul...

Full description

Main Author: Hui Cin, Chong
Format: Final Year Project
Language: English
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-utpedia.17924 /
Published: IRC 2017
Subjects:
Online Access: http://utpedia.utp.edu.my/17924/1/Dissertation.pdf
http://utpedia.utp.edu.my/17924/
Tags: Add Tag
No Tags, Be the first to tag this record!
id utp-utpedia.17924
recordtype eprints
spelling utp-utpedia.179242018-08-01T09:54:44Z http://utpedia.utp.edu.my/17924/ Additive Manufacturing for Structures Generated by Topology Optimization Hui Cin, Chong TJ Mechanical engineering and machinery Topology optimization is a mathematical approach that deals with determination of connectivity, geometries of cavities and location of voids in the design domain considered. In topology optimization, filtering technique is one of the parameter that affects the topology generated. Due to the difficulty to manufacture complex shapes of optimal layouts, additive manufacturing is the best option to replace traditional manufacturing processes to overcome this barrier. Additive manufacturing is a process of building up the model using layer-by-layer concept. Additive manufacturing provides the design freedom to the users but it has its own limitation too. Hence, this paper aims to fill the gap by relating these two different fields to investigate the impact of different filtering techniques in topology optimization with various build orientation in additive manufacturing. SIMP method was used to compute compliance based topology optimization problem and generate the optimal layouts of three-dimensional beam structures. In the results, sensitivity filter is proposed to be used in topology optimization to achieve minimum compliance as weight reduction can be achieved in the range of 24% to 31%. This significant result can provide possibilities in contributing in aerospace and automotive industry and indirectly help in sustainable development. In future work, effect of mixed filtering techniques can be investigated and use high speed super computer to improve the computational efficiency. In the aspect of additive manufacturing, soluble support material is suggested to be used to ease the post processing work. IRC 2017-01 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/17924/1/Dissertation.pdf Hui Cin, Chong (2017) Additive Manufacturing for Structures Generated by Topology Optimization. IRC, Universiti Teknologi PETRONAS.
institution Universiti Teknologi Petronas
collection UTPedia
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Hui Cin, Chong
Additive Manufacturing for Structures Generated by Topology Optimization
description Topology optimization is a mathematical approach that deals with determination of connectivity, geometries of cavities and location of voids in the design domain considered. In topology optimization, filtering technique is one of the parameter that affects the topology generated. Due to the difficulty to manufacture complex shapes of optimal layouts, additive manufacturing is the best option to replace traditional manufacturing processes to overcome this barrier. Additive manufacturing is a process of building up the model using layer-by-layer concept. Additive manufacturing provides the design freedom to the users but it has its own limitation too. Hence, this paper aims to fill the gap by relating these two different fields to investigate the impact of different filtering techniques in topology optimization with various build orientation in additive manufacturing. SIMP method was used to compute compliance based topology optimization problem and generate the optimal layouts of three-dimensional beam structures. In the results, sensitivity filter is proposed to be used in topology optimization to achieve minimum compliance as weight reduction can be achieved in the range of 24% to 31%. This significant result can provide possibilities in contributing in aerospace and automotive industry and indirectly help in sustainable development. In future work, effect of mixed filtering techniques can be investigated and use high speed super computer to improve the computational efficiency. In the aspect of additive manufacturing, soluble support material is suggested to be used to ease the post processing work.
format Final Year Project
author Hui Cin, Chong
author_sort Hui Cin, Chong
title Additive Manufacturing for Structures Generated by Topology Optimization
title_short Additive Manufacturing for Structures Generated by Topology Optimization
title_full Additive Manufacturing for Structures Generated by Topology Optimization
title_fullStr Additive Manufacturing for Structures Generated by Topology Optimization
title_full_unstemmed Additive Manufacturing for Structures Generated by Topology Optimization
title_sort additive manufacturing for structures generated by topology optimization
publisher IRC
publishDate 2017
url http://utpedia.utp.edu.my/17924/1/Dissertation.pdf
http://utpedia.utp.edu.my/17924/
_version_ 1741195267796893696
score 11.62408