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Conde López, Eduardo Roberto

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Conde López
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Eduardo Roberto
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2021 - 20233
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Mostrando 1 - 3 de 3
  • Miniatura
    Publicación
    Application of finite element method to create a digital elevation model
    (MDPI, 2023-03-21) Conde López, Eduardo Roberto; Salete Casino, Eduardo; Flores Escribano, Jesús; Vargas Ureña, Antonio Manuel
    The generation of a topographical surface or digital elevation model for a given set of points in space is a known problem in civil engineering and topography. In this article, we propose a simple and efficient way to obtain the terrain surface by using a structural shell finite element model, giving advice on how to implement it. The proposed methodology does not need a large number of points to define the terrain, so it is especially suitable to be used with data provided by manual topographical tools. Several examples are developed to demonstrate the easiness and accuracy of the methodology. The digital terrain model of a real landscape is modeled by using different numbers of points (from 49 to 400) using a regular mesh or a randomly generated cloud of points. The results are compared, showing how the proposed methodology creates a sufficiently accurate model, even with a low number of points (compared with the thousands of points handled in a LiDAR representation). A real case application is also shown. As an appendix, the sample code to generate the examples is provided.
  • Miniatura
    Publicación
    The Centroid Method for the Calibration of a Sectorized Digital Twin of an Arch Dam
    (MDPI, 2022-09-28) Toledo, Miguel Á.; Salete Casino, Eduardo; Conde López, Eduardo Roberto
    In this article, a digital twin is a numerical model of a dam–foundation system with a physical basis. A dam–foundation system exhibits a complex behavior and, therefore, significant simplifications are necessary for a numerical model to be feasible, which reduces a model’s accuracy. Differences in the material characteristics of particular regions of the dam and the foundation are usually not considered. An important reason for that is the high computational cost of calibrating a model when many parameters must be optimized in such a way that calibration becomes unfeasible. A new, simple, accurate, and low time-consuming algorithm, the centroid method, is presented that allows the calibration of a dam–foundation system. The extreme efficiency of this algorithm opens the feasibility of calibrating a sectorized numerical model of an arch dam, so that a digital twin is obtained that takes into account the different characteristics of different regions or sectors of the dam and the foundation, more closely approaching the complex behavior of the dam–foundation system.
  • Miniatura
    Publicación
    Optimization of numerical models through instrumentation data integration. Digital twin models for dams
    (Wiley, 2021-11) Toledo Municio, Miguel Ángel; Salete Casino, Eduardo; Conde López, Eduardo Roberto
    Dam safety is a relevant aspect in our society due to the importance of its functions (power generation, water supply, lamination of oods) and due to the potentially catastrophic consequences of a serious breakdown or breakage. Dam safety analyses are fundamentally based on behavior models, which are idealizations of the dam-foundation that allow us to calculate the dam's response to a certain combination of actions. The comparison of this response with the real one, measured by the auscultation or survey devices, is the main element to determine the safety status of the structure. To improve this analysis, it is necessary to increase the accuracy of the numerical models obtaining a digital twin that allows knowing, in a faithful way, how the structure is going to work in normal and extreme situations.