Exploració per autor "Yago Llamas, Daniel"
Ara es mostren els items 1-11 de 11
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A new computational approach to topology optimization in solid mechanics problems
Yago Llamas, Daniel (Universitat Politècnica de Catalunya, 2022-01-24)
Tesi
Accés obertThis doctoral thesis addresses topology optimization problems at a single scale. Based on this purpose, a new topology optimization approach is developed in order to improve existing and widespread techniques in the research ... -
Computational design of locally resonant acoustic metamaterials
Roca Cazorla, David; Yago Llamas, Daniel; Cante Terán, Juan Carlos; Lloberas Valls, Oriol; Oliver Olivella, Xavier (2019-03)
Article
Accés obertThe so-called Locally Resonant Acoustic Metamaterials (LRAM) are considered for the design of specifically engineered devices capable of stopping waves from propagating in certain frequency regions (bandgaps), this making ... -
Machine learning in solid mechanics: Application to acoustic metamaterial design
Yago Llamas, Daniel; Sal Anglada, Gaston; Roca Cazorla, David; Cante Terán, Juan Carlos; Oliver Olivella, Xavier (John Wiley & sons, 2024-04-05)
Article
Accés obertMachine learning (ML) and Deep learning (DL) are increasingly pivotal in the design of advanced metamaterials, seamlessly integrated with material or topology optimization. Their intrinsic capability to predict and ... -
Optimal design of Multiresonant Layered Acoustic Metamaterials (MLAM) via a homogenization approach
Sal Anglada, Gaston; Yago Llamas, Daniel; Cante Terán, Juan Carlos; Oliver Olivella, Xavier; Roca Cazorla, David (Elsevier, 2023-10)
Article
Accés obertBroadband sound attenuation at low frequency ranges (below 500 Hz) has been a challenge in the acoustics field which cannot be solved, via conventional materials, unless impractical amounts of mass are employed. Multiresonant ... -
Sound transmission loss enhancement through triple-peak coupled resonances acoustic metamaterials
Sal Anglada, Gaston; Yago Llamas, Daniel; Cante Terán, Juan Carlos; Oliver Olivella, Xavier; Roca Cazorla, David (2024-03-15)
Article
Accés obertCoupled resonances mechanisms combined with the notion of acoustic metamaterials offer exceptional sound insulation capabilities, even at the challenging low frequency ranges below 1000 Hz. In this context, the concept of ... -
Study for the numerical resolution of conservation equations of mass, momentum and energy to be applied to solar thermal collectors
Yago Llamas, Daniel (Universitat Politècnica de Catalunya, 2015-06)
Treball Final de Grau
Accés obertThe aim of this project is to create a software in C++ language that allows to solve numerically the Navier-Stokes equations for cases with simple geometries and presupposing certain hypotheses, as well as the study and ... -
Study of topological optimization techniques applied to the design of aeronautical structures.
Yago Llamas, Daniel (Universitat Politècnica de Catalunya, 2017-06)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorStudy of topological optimization techniques applied to the design of aeronautical structures. This thesis deals with the study of di˙erent topology optimization techniques in which the aim of the optimization procedure ... -
Topology optimization methods for 3D structural problems: a comparative study
Yago Llamas, Daniel; Cante Terán, Juan Carlos; Lloberas Valls, Oriol; Oliver Olivella, Xavier (2022-05-01)
Article
Accés obertThe work provides an exhaustive comparison of some representative families of topology optimization methods for 3D structural optimization, such as the Solid Isotropic Material with Penalization (SIMP), the Level-set, the ... -
Topology optimization of thermal problems in a nonsmooth variational setting: closed-form optimality criteria
Yago Llamas, Daniel; Cante Terán, Juan Carlos; Lloberas Valls, Oriol; Oliver Olivella, Xavier (Springer, 2020-08)
Article
Accés obertThis paper extends the nonsmooth Relaxed Variational Approach (RVA) to topology optimization, proposed by the authors in a preceding work, to the solution of thermal optimization problems. First, the RVA topology optimization ... -
Topology optimization using the unsmooth variational topology optimization (UNVARTOP) method: an educational implementation in MATLAB
Yago Llamas, Daniel; Cante Terán, Juan Carlos; Lloberas Valls, Oriol; Oliver Olivella, Xavier (2021-02)
Article
Accés obertThis paper presents an efficient and comprehensive MATLAB code to solve two-dimensional structural topology optimization problems, including minimum mean compliance, compliant mechanism synthesis, and multi-load compliance ... -
Variational approach to relaxed topological optimization: closed form solutions for structural problems in a sequential pseudo-time framework
Oliver Olivella, Xavier; Yago Llamas, Daniel; Cante Terán, Juan Carlos; Lloberas Valls, Oriol (2019-10)
Article
Accés obertThe work explores a specific scenario for structural computational optimization based on the following elements: (a) a relaxed optimization setting considering the ersatz (bi-material) approximation, (b) a treatment based ...