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Multiobjective Geometric Analysis of Stiffened Plates under Bending through Constructal Design Method | ||
| Journal of Applied and Computational Mechanics | ||
| دوره 6، Special Issue، اسفند 2020، صفحه 1438-1449 اصل مقاله (1.89 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22055/jacm.2020.35248.2608 | ||
| نویسندگان | ||
| Vinícius Torres Pinto1؛ Luiz Alberto Oliveira Rocha2؛ Cristiano Fragassa* 3؛ Elizaldo Domingues dos Santos1؛ Liércio André Isoldi1 | ||
| 1Federal University of Rio Grande - FURG, Graduate Program in Ocean Engineering, Rio Grande, 96203-900, Brazil | ||
| 2University of Vale do Rio dos Sinos - UNISINOS, Graduate Program in Mechanical Engineering, São Leopoldo, 93022-750, Brazil | ||
| 3University of Bologna - Department of Mechanical Engineering, Bologna, 40136, Italy | ||
| چکیده | ||
| Constructal design, finite element method and exhaustive search are applied to analyze different arrangements of steel plates with rectangular or trapezoidal stiffeners. As performance parameters, the maximum deflection and maximum von Mises stress are considered. A non-stiffened plate adopted as reference is studied together with 25 plates with rectangular stiffeners and 25 plates with trapezoidal stiffeners. The results show that trapezoidal stiffeners are more effective in minimizing the maximum deflection in comparison with rectangular stiffeners. However, regarding the minimization of stress, the rectangular stiffeners normally present better performance. When both performance parameters are concomitantly considered, a slight advantage of 4.70% for rectangular geometry is identified. | ||
| کلیدواژهها | ||
| Trapezoidal Stiffeners؛ Rectangular Stiffeners؛ Numerical Simulation؛ Geometric Optimization؛ Plate Bending | ||
| مراجع | ||
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