Browsing by Author "Renderos, Mario"
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Item Innovative Tooling Solutions for Aircraft Assembly: A Case Study on the Development of Reconfigurable and Lightweight Fixtures(Springer Science and Business Media Deutschland GmbH, 2024) Laraudogoitia, Ignacio; Ojeda, Ibai; Renderos, Mario; Iriondo, Edurne; de Cortázar, Maider García; Girot, Franck; Manchado del Val, Cristina; Suffo Pino, Miguel; Moreno Sánchez, Daniel; Moreno Nieto, Daniel; Miralbes Buil, Ramón; CIRMETALThis paper presents a case study on the development of reconfigurable and lightweight fixtures for aircraft assembly, which are essential for modernizing and automating tooling fixtures in the aeronautical industry. Our study utilizes generative engineering and other design techniques to optimize performance and meet design objectives. Generative engineering combines parametric and algorithmic design with mathematical optimization, while generative design utilizes algorithmic methods to generate feasible designs based on performance goals, constraints, and design space. To determine the most appropriate optimization tools, we conducted a thorough study of available options and selected the most suitable ones based on available resources. Our newly developed fixtures are flexible and adaptable to various types of aircraft structures, including fuselages and wings, and meet crucial vibration requirements for aircraft assembly operations such as drilling and riveting. The new fixtures are also lightweight and easier to handle, contributing to a reduction in development costs and enhancing production efficiency. This contribution can help to enhance the competitiveness of the Basque aeronautical industry and position it as a key player in the global aviation market. The findings of this study demonstrate the benefits of incorporating generative engineering and novel design techniques into the development of innovative tooling solutions for aircraft assembly.Item Numerical Modeling of the Influence of Nanometric Ceramic Particles on the Nucleation of AlSi10MnMg Alloy(2022-05-17) Jimenez, Ane; Sanchez, Jon Mikel; Girot, Franck; Renderos, Mario; Egizabal, Pedro; CIRMETAL; Tecnalia Research & InnovationIn recent years, many researchers have attempted to model the solidification process of nano-reinforced materials. In the present document, the effect on the heterogeneous solidification regime of the different sizes, shapes, and chemical compositions of nanometric ceramic particles in an AlSi10MnMg alloy is studied. This article develops a mathematical model to predict the solidification behavior of a general nano-reinforced alloy, then validates the results using experimental techniques. The main objective of the model is to minimize the costly and time-consuming experimental process of fabricating nano-reinforced alloys. The proposed model predicts the critical Gibbs energy and the critical radius required for nucleation in the heterogeneous solidification regime. Conversely, the experimental part focuses on understanding the solidification process from the differential thermal analysis (DTA) of the solidification curves. It was concluded that if subcooling is involved, cubic and pyramidal particles work better as nucleating particles in the studied alloy.