Modelling analysis and optimisation of porous structural scaffolds for human bones
Two different types of unit structure models, ortho tetrahedral and hexahedral, are established, and a series of different porosities are obtained by controlling the parameters such as rod diameter and rod length, and the porous structure can be obtained by stacking the unit structure in an orderly...
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EDP Sciences
2024-01-01
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| Series: | International Journal for Simulation and Multidisciplinary Design Optimization |
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| Online Access: | https://www.ijsmdo.org/articles/smdo/full_html/2024/01/smdo240119/smdo240119.html |
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| author | Xue Hui Song Xiujuan Zhang Guoliang Xu Shubo Zhang Weihai Sun Siyu Pan Yuefei Li Jianing Ren Guocheng |
| author_facet | Xue Hui Song Xiujuan Zhang Guoliang Xu Shubo Zhang Weihai Sun Siyu Pan Yuefei Li Jianing Ren Guocheng |
| author_sort | Xue Hui |
| collection | DOAJ |
| description | Two different types of unit structure models, ortho tetrahedral and hexahedral, are established, and a series of different porosities are obtained by controlling the parameters such as rod diameter and rod length, and the porous structure can be obtained by stacking the unit structure in an orderly manner in the three-dimensional space, and then finite element simulation and analysis are carried out by simulating compression experiments using Ansys to obtain the equivalent stresses, deformation maps and data, and the elastic modulus, which is close to that of the human hip bone, is calculated to investigate the mechanical properties under different porous structures and different porosities. The modulus of elasticity was calculated to be close to that of the human hip bone, and the mechanical properties were investigated under different porous structures and different porosities. The Fluent module is also used to simulate the fluid field, and the pressure and velocity maps of the fluid inside the two porous structures are obtained for comparative and comprehensive analyses. From the simulation of the created porous model, it is learnt that, for the same structure, with the increase of porosity, the equivalent force and deformation increase and the elastic modulus decreases significantly; for the same porosity, under the same loading environment, the longitudinal deformation of the hexahedron is smaller than that of the tetrahedron, its equivalent force is much lower than that of the tetrahedron, and it has suitable elastic modulus. Its strength is higher than that of the tetrahedron when under pressure. When the fluid flows in the hexahedron, the hexahedral structure is less compressed than the ortho tetrahedral structure, and the flow rate is more suitable for the blood flow rate in the human body. |
| format | Article |
| id | doaj-art-c7d057a150914eaf83f5f13fcec0d4c6 |
| institution | OA Journals |
| issn | 1779-6288 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | International Journal for Simulation and Multidisciplinary Design Optimization |
| spelling | doaj-art-c7d057a150914eaf83f5f13fcec0d4c62025-08-20T02:13:03ZengEDP SciencesInternational Journal for Simulation and Multidisciplinary Design Optimization1779-62882024-01-01152210.1051/smdo/2024019smdo240119Modelling analysis and optimisation of porous structural scaffolds for human bonesXue Hui0Song Xiujuan1Zhang Guoliang2Xu Shubo3https://orcid.org/0000-0003-3219-8464Zhang Weihai4Sun Siyu5Pan Yuefei6Li Jianing7Ren Guocheng8Shandong Jianzhu University, School of Materials Science and EngineeringJinan Engineering PolytechnicShandong Science and Technology Service Development Promotion CentreShandong Jianzhu University, School of Materials Science and EngineeringWeifang Fuyuan Supercharger Co., LTDShandong Jianzhu University, School of Materials Science and EngineeringShandong Jianzhu University, School of Materials Science and EngineeringShandong Jianzhu University, School of Materials Science and EngineeringShandong Jianzhu University, School of Materials Science and EngineeringTwo different types of unit structure models, ortho tetrahedral and hexahedral, are established, and a series of different porosities are obtained by controlling the parameters such as rod diameter and rod length, and the porous structure can be obtained by stacking the unit structure in an orderly manner in the three-dimensional space, and then finite element simulation and analysis are carried out by simulating compression experiments using Ansys to obtain the equivalent stresses, deformation maps and data, and the elastic modulus, which is close to that of the human hip bone, is calculated to investigate the mechanical properties under different porous structures and different porosities. The modulus of elasticity was calculated to be close to that of the human hip bone, and the mechanical properties were investigated under different porous structures and different porosities. The Fluent module is also used to simulate the fluid field, and the pressure and velocity maps of the fluid inside the two porous structures are obtained for comparative and comprehensive analyses. From the simulation of the created porous model, it is learnt that, for the same structure, with the increase of porosity, the equivalent force and deformation increase and the elastic modulus decreases significantly; for the same porosity, under the same loading environment, the longitudinal deformation of the hexahedron is smaller than that of the tetrahedron, its equivalent force is much lower than that of the tetrahedron, and it has suitable elastic modulus. Its strength is higher than that of the tetrahedron when under pressure. When the fluid flows in the hexahedron, the hexahedral structure is less compressed than the ortho tetrahedral structure, and the flow rate is more suitable for the blood flow rate in the human body.https://www.ijsmdo.org/articles/smdo/full_html/2024/01/smdo240119/smdo240119.htmlhip prosthesisfinite element analysisadditive manufacturingporosity |
| spellingShingle | Xue Hui Song Xiujuan Zhang Guoliang Xu Shubo Zhang Weihai Sun Siyu Pan Yuefei Li Jianing Ren Guocheng Modelling analysis and optimisation of porous structural scaffolds for human bones International Journal for Simulation and Multidisciplinary Design Optimization hip prosthesis finite element analysis additive manufacturing porosity |
| title | Modelling analysis and optimisation of porous structural scaffolds for human bones |
| title_full | Modelling analysis and optimisation of porous structural scaffolds for human bones |
| title_fullStr | Modelling analysis and optimisation of porous structural scaffolds for human bones |
| title_full_unstemmed | Modelling analysis and optimisation of porous structural scaffolds for human bones |
| title_short | Modelling analysis and optimisation of porous structural scaffolds for human bones |
| title_sort | modelling analysis and optimisation of porous structural scaffolds for human bones |
| topic | hip prosthesis finite element analysis additive manufacturing porosity |
| url | https://www.ijsmdo.org/articles/smdo/full_html/2024/01/smdo240119/smdo240119.html |
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