Generative Design and Integrated 3D Printing Manufacture of Cross Joints

The integrated process of design and fabrication is invariably of particular interest and important to improve the quality and reduce the production cycle for structural joints, which are key components for connecting members and transferring loads in structural systems. In this work, using the gene...

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Main Authors: Leyu Han, Wenfeng Du, Zhuang Xia, Boqing Gao, Mijia Yang
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/15/14/4753
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author Leyu Han
Wenfeng Du
Zhuang Xia
Boqing Gao
Mijia Yang
author_facet Leyu Han
Wenfeng Du
Zhuang Xia
Boqing Gao
Mijia Yang
author_sort Leyu Han
collection DOAJ
description The integrated process of design and fabrication is invariably of particular interest and important to improve the quality and reduce the production cycle for structural joints, which are key components for connecting members and transferring loads in structural systems. In this work, using the generative design method, a pioneering idea was successfully realized to attain a reasonable configuration of the cross joints, which was then consecutively manufactured using 3D printing technology. Firstly, the initial model and generation conditions of a cross joint were constructed by the machine learning-based generative design algorithm, and hundreds of models were automatically generated. Then, based on the design objective and cost index of the cross joint, three representative joints were selected for further numerical analysis to verify the advantages of generative design. Finally, 3D printing was utilized to produce generative joints; the influences of printing parameters on the quality of 3D printing are further discussed in this paper. The results show that the cross joints from the generative design method have varied and innovative configurations and the best static behaviors. 3D printing technology can enhance the accuracy of cross joint fabrication. It is viable to utilize the integrated process of generative design and 3D printing to design and manufacture cross joints.
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spelling doaj.art-58123bc448c841efbefd0a8ee538b6672023-12-01T22:22:32ZengMDPI AGMaterials1996-19442022-07-011514475310.3390/ma15144753Generative Design and Integrated 3D Printing Manufacture of Cross JointsLeyu Han0Wenfeng Du1Zhuang Xia2Boqing Gao3Mijia Yang4Institute of Steel and Spatial Structures, College of Civil Engineering and Architecture, Henan University, Kaifeng 475004, ChinaInstitute of Steel and Spatial Structures, College of Civil Engineering and Architecture, Henan University, Kaifeng 475004, ChinaInstitute of Steel and Spatial Structures, College of Civil Engineering and Architecture, Henan University, Kaifeng 475004, ChinaDepartment of Civil Engineering, Zhejiang University, Hangzhou 310058, ChinaDepartment of Civil and Environmental Engineering, North Dakota State University, Fargo, ND 58102, USAThe integrated process of design and fabrication is invariably of particular interest and important to improve the quality and reduce the production cycle for structural joints, which are key components for connecting members and transferring loads in structural systems. In this work, using the generative design method, a pioneering idea was successfully realized to attain a reasonable configuration of the cross joints, which was then consecutively manufactured using 3D printing technology. Firstly, the initial model and generation conditions of a cross joint were constructed by the machine learning-based generative design algorithm, and hundreds of models were automatically generated. Then, based on the design objective and cost index of the cross joint, three representative joints were selected for further numerical analysis to verify the advantages of generative design. Finally, 3D printing was utilized to produce generative joints; the influences of printing parameters on the quality of 3D printing are further discussed in this paper. The results show that the cross joints from the generative design method have varied and innovative configurations and the best static behaviors. 3D printing technology can enhance the accuracy of cross joint fabrication. It is viable to utilize the integrated process of generative design and 3D printing to design and manufacture cross joints.https://www.mdpi.com/1996-1944/15/14/4753cross jointsgenerative design3D printingnumerical analysis
spellingShingle Leyu Han
Wenfeng Du
Zhuang Xia
Boqing Gao
Mijia Yang
Generative Design and Integrated 3D Printing Manufacture of Cross Joints
Materials
cross joints
generative design
3D printing
numerical analysis
title Generative Design and Integrated 3D Printing Manufacture of Cross Joints
title_full Generative Design and Integrated 3D Printing Manufacture of Cross Joints
title_fullStr Generative Design and Integrated 3D Printing Manufacture of Cross Joints
title_full_unstemmed Generative Design and Integrated 3D Printing Manufacture of Cross Joints
title_short Generative Design and Integrated 3D Printing Manufacture of Cross Joints
title_sort generative design and integrated 3d printing manufacture of cross joints
topic cross joints
generative design
3D printing
numerical analysis
url https://www.mdpi.com/1996-1944/15/14/4753
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AT zhuangxia generativedesignandintegrated3dprintingmanufactureofcrossjoints
AT boqinggao generativedesignandintegrated3dprintingmanufactureofcrossjoints
AT mijiayang generativedesignandintegrated3dprintingmanufactureofcrossjoints