It is the goal that the aerospace industry has been continuously pursuing to meet the lightweight design with excellent mechanical properties. A structure-material integrated design framework is proposed to enhance the load-bearing rate of a spacecraft rib significantly, based on the optimization design theory. The structure-material integrated design framework is realized in two steps by commercial software Altair Solidthinking Inspire. The first step is that topology optimization is performed to a spacecraft rib at the macroscopic scale, with the minimum mass and the constraints of the additive manufacturing process and stress; while the second step is to optimally infill the lattice structure at the microscopic scale by minimizing the mass and constraining the additive manufacturing process and stress. Representative samples for the optimal rib structure are then fabricated by the additive manufacturing technique, and the tensile test is finally carried out to obtained the load-bearing rate for the different samples. The results show that the spacecraft rib's load-bearing rate is increased by 122.73% by the proposed structure-material integrated design framework compared to the traditional one; moreover, it is significantly more efficient than the direct topology optimization and lattice optimization design. The structure-material integrated design framework shown in this study can provide an efficient way to aerospace structures with lightweight and superior mechanical properties.
Published in | American Journal of Mechanical and Materials Engineering (Volume 4, Issue 4) |
DOI | 10.11648/j.ajmme.20200404.11 |
Page(s) | 81-88 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2021. Published by Science Publishing Group |
Spacecraft Rib, Structure-Material Integrated Design Framework, Load-Bearing Rate, Topology Optimization, Lattice Optimization Design
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APA Style
Zijie Chen, Ziling Chen, Huang Li, Jie Liu. (2021). Structure-material Integrated Design for a Spacecraft Rib. American Journal of Mechanical and Materials Engineering, 4(4), 81-88. https://doi.org/10.11648/j.ajmme.20200404.11
ACS Style
Zijie Chen; Ziling Chen; Huang Li; Jie Liu. Structure-material Integrated Design for a Spacecraft Rib. Am. J. Mech. Mater. Eng. 2021, 4(4), 81-88. doi: 10.11648/j.ajmme.20200404.11
AMA Style
Zijie Chen, Ziling Chen, Huang Li, Jie Liu. Structure-material Integrated Design for a Spacecraft Rib. Am J Mech Mater Eng. 2021;4(4):81-88. doi: 10.11648/j.ajmme.20200404.11
@article{10.11648/j.ajmme.20200404.11, author = {Zijie Chen and Ziling Chen and Huang Li and Jie Liu}, title = {Structure-material Integrated Design for a Spacecraft Rib}, journal = {American Journal of Mechanical and Materials Engineering}, volume = {4}, number = {4}, pages = {81-88}, doi = {10.11648/j.ajmme.20200404.11}, url = {https://doi.org/10.11648/j.ajmme.20200404.11}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmme.20200404.11}, abstract = {It is the goal that the aerospace industry has been continuously pursuing to meet the lightweight design with excellent mechanical properties. A structure-material integrated design framework is proposed to enhance the load-bearing rate of a spacecraft rib significantly, based on the optimization design theory. The structure-material integrated design framework is realized in two steps by commercial software Altair Solidthinking Inspire. The first step is that topology optimization is performed to a spacecraft rib at the macroscopic scale, with the minimum mass and the constraints of the additive manufacturing process and stress; while the second step is to optimally infill the lattice structure at the microscopic scale by minimizing the mass and constraining the additive manufacturing process and stress. Representative samples for the optimal rib structure are then fabricated by the additive manufacturing technique, and the tensile test is finally carried out to obtained the load-bearing rate for the different samples. The results show that the spacecraft rib's load-bearing rate is increased by 122.73% by the proposed structure-material integrated design framework compared to the traditional one; moreover, it is significantly more efficient than the direct topology optimization and lattice optimization design. The structure-material integrated design framework shown in this study can provide an efficient way to aerospace structures with lightweight and superior mechanical properties.}, year = {2021} }
TY - JOUR T1 - Structure-material Integrated Design for a Spacecraft Rib AU - Zijie Chen AU - Ziling Chen AU - Huang Li AU - Jie Liu Y1 - 2021/03/04 PY - 2021 N1 - https://doi.org/10.11648/j.ajmme.20200404.11 DO - 10.11648/j.ajmme.20200404.11 T2 - American Journal of Mechanical and Materials Engineering JF - American Journal of Mechanical and Materials Engineering JO - American Journal of Mechanical and Materials Engineering SP - 81 EP - 88 PB - Science Publishing Group SN - 2639-9652 UR - https://doi.org/10.11648/j.ajmme.20200404.11 AB - It is the goal that the aerospace industry has been continuously pursuing to meet the lightweight design with excellent mechanical properties. A structure-material integrated design framework is proposed to enhance the load-bearing rate of a spacecraft rib significantly, based on the optimization design theory. The structure-material integrated design framework is realized in two steps by commercial software Altair Solidthinking Inspire. The first step is that topology optimization is performed to a spacecraft rib at the macroscopic scale, with the minimum mass and the constraints of the additive manufacturing process and stress; while the second step is to optimally infill the lattice structure at the microscopic scale by minimizing the mass and constraining the additive manufacturing process and stress. Representative samples for the optimal rib structure are then fabricated by the additive manufacturing technique, and the tensile test is finally carried out to obtained the load-bearing rate for the different samples. The results show that the spacecraft rib's load-bearing rate is increased by 122.73% by the proposed structure-material integrated design framework compared to the traditional one; moreover, it is significantly more efficient than the direct topology optimization and lattice optimization design. The structure-material integrated design framework shown in this study can provide an efficient way to aerospace structures with lightweight and superior mechanical properties. VL - 4 IS - 4 ER -