A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates
A method for designing laminates is presented using geometry projection to optimize the layout of additively manufactured variable-stiffness composite laminates. By considering fiberreinforced bars as geometric primitives, the geometry projection methodology is extended to include optimizing region...
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| Format: | Article |
| Language: | English |
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Czech Technical University in Prague
2024-10-01
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| Series: | Acta Polytechnica CTU Proceedings |
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| Online Access: | https://ojs.cvut.cz/ojs/index.php/APP/article/view/10111 |
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| author | Yogesh Gandhi Julián Norato Ana Pavlovic Giangiacomo Minak |
| author_facet | Yogesh Gandhi Julián Norato Ana Pavlovic Giangiacomo Minak |
| author_sort | Yogesh Gandhi |
| collection | DOAJ |
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A method for designing laminates is presented using geometry projection to optimize the layout of additively manufactured variable-stiffness composite laminates. By considering fiberreinforced bars as geometric primitives, the geometry projection methodology is extended to include optimizing regions with intersecting load paths. This is achieved by utilizing a dual representation of bars, which considers the geometric parameters and the element-wise density field representation. The dual representation enables the combining and overlapping of bars, resulting in a localized orthotropic material response at overlapping regions that mitigates the transverse compliant response of fiberreinforced components. The proposed method’s effectiveness is demonstrated through minimizing the compliance of the Messerschmitt-Bölkow-Blohm beam problem, a well-known benchmark problem in topology optimization.
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| format | Article |
| id | doaj-art-7792a1bfd3c8463d9340bfb206b93537 |
| institution | Kabale University |
| issn | 2336-5382 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | Czech Technical University in Prague |
| record_format | Article |
| series | Acta Polytechnica CTU Proceedings |
| spelling | doaj-art-7792a1bfd3c8463d9340bfb206b935372025-08-20T03:56:55ZengCzech Technical University in PragueActa Polytechnica CTU Proceedings2336-53822024-10-014810.14311/APP.2024.48.0022A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminatesYogesh Gandhi0Julián Norato1Ana Pavlovic2Giangiacomo Minak3Alma Mater Studiorum – Università di Bologna, Department of Industrial Engineering, Via Fontanelle 40, Forlì-47121, ItalyUniversity of Connecticut, Department of Mechanical Engineering, 191 Auditorium Road, U-3139 Storrs, CT 06269, United StatesAlma Mater Studiorum – Università di Bologna, Department of Industrial Engineering, Via Fontanelle 40, Forlì-47121, ItalyAlma Mater Studiorum – Università di Bologna, Department of Industrial Engineering, Via Fontanelle 40, Forlì-47121, Italy A method for designing laminates is presented using geometry projection to optimize the layout of additively manufactured variable-stiffness composite laminates. By considering fiberreinforced bars as geometric primitives, the geometry projection methodology is extended to include optimizing regions with intersecting load paths. This is achieved by utilizing a dual representation of bars, which considers the geometric parameters and the element-wise density field representation. The dual representation enables the combining and overlapping of bars, resulting in a localized orthotropic material response at overlapping regions that mitigates the transverse compliant response of fiberreinforced components. The proposed method’s effectiveness is demonstrated through minimizing the compliance of the Messerschmitt-Bölkow-Blohm beam problem, a well-known benchmark problem in topology optimization. https://ojs.cvut.cz/ojs/index.php/APP/article/view/10111topology optimizationgeometry projectioncontinuous fiber-reinforced polymersvariable-stiffness laminates |
| spellingShingle | Yogesh Gandhi Julián Norato Ana Pavlovic Giangiacomo Minak A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates Acta Polytechnica CTU Proceedings topology optimization geometry projection continuous fiber-reinforced polymers variable-stiffness laminates |
| title | A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates |
| title_full | A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates |
| title_fullStr | A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates |
| title_full_unstemmed | A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates |
| title_short | A geometry projection method for designing and optimizing additively manufactured variable-stiffness composite laminates |
| title_sort | geometry projection method for designing and optimizing additively manufactured variable stiffness composite laminates |
| topic | topology optimization geometry projection continuous fiber-reinforced polymers variable-stiffness laminates |
| url | https://ojs.cvut.cz/ojs/index.php/APP/article/view/10111 |
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