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Prieto Muñoz, Federico

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Federico

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Prieto Muñoz

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Escuela Politécnica Superior

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2021 - 20222
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    Non-homogeneous reaction in a non-linear diffusion operator with advection to model a mass transfer process.
    (Journal of Applied Analysis & Computation, 2022) Díaz Palencia, José Luis; Prieto Muñoz, Federico; García Haro, Juan Miguel
    It is the objective to provide a mathematical treatment of a nonhomogeneous and non-lipschitz reaction problem with a non-linear diffusion and advection operator, so that it can be applied to a fire extinguishing process in aerospace. The main findings are related with the existence and characterization of a finite propagation support that emerges in virtue of the the non-linear diffusion formulation. It is provided a precise assessment on different times associated to the extinguisher discharge process. Particularly, the time required to activate the discharge, the time required for the extinguisher front to cover the whole domain, the time required to reach a minimum level of concentration so as to extinguish a fire and the time required by the agent to reach some difficult dead zones where the extinguisher propagates only by diffusion and no advection. The equation proposed is firstly discussed from a mathematical perspective to find analytical solutions and propagating profiles. Afterwards, the application exercise is introduced.
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    New Image Recognition Technique for Intuitive Understanding in Class of the Dynamic Response of High-Rise Buildings.
    (Sustainability, 2021) Porras Soriano, Rocío; Mobaraki, Behnam; Lozano-Galant, José Antonio; Sanchez-Cambronero, Santos; Prieto Muñoz, Federico; Gutierrez, Juan José
    In the last years, more and more studies have highlighted the advantages of complementing traditional master classes with additional activities that improve students’ learning experience. This combination of teaching techniques is specially advised in the field of structural engineering, where intuition of the structural response it is of vital importance to understand the studied concepts. This paper deals with the introduction of a new (and more encouraging) educational tool to introduce students intuitively to the dynamic response of structures excited with an educational shaking table. Most of the educational structural health monitoring systems use sensors to determine the dynamic response of the structure. The proposed tool is based on a radically different approach, as it is based on low-cost image-recognition techniques. In fact, it only requires the use of an amateur camera, a black background, and a computer. In this study, the effects of both the camera location and the image quality are also evaluated. Finally, to validate the applicability of the proposed methodology, the dynamic response of small-scale buildings with different typologies is analyzed. In addition, a series of surveys were conducted in order to evaluate the activity based on student´s satisfaction and the actual acquisition and strengthening of knowledge