Departament de Màquines i Motors Tèrmics
Recent Submissions
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Development of linear solvers for large-scale CFD simulations on hybrid supercomputers
(Universitat Politècnica de Catalunya, 2023-12-18)
Doctoral thesis
Restricted access - confidentiality agreement(English) Divergence constraints are present in the governing equations of many physical phenomena, and they usually lead to a Poisson equation whose solution is one of the most challenging parts of scientific simulation ... -
Application of experimental and numerical methodologies for the development of an absortion heat pump for solar-driven systems
(Universitat Politècnica de Catalunya, 2023-05-11)
Doctoral thesis
Open Access(English) The topics explained in this thesis are organized in different chapters. A summary of the contents is given below: Chapter 2. Details of working pairs and properties with numerical modelling and experimental ... -
High-order finite volume method for solid dynamics in fluid-structure interaction applications
(Universitat Politècnica de Catalunya, 2023-02-24)
Doctoral thesis
Open Access(English) This thesis aims at developing a high-order finite volume method for solid dynamics on unstructured three-dimensional meshes. The adoption of high-order interpolation methods has a key importance in the efficient ... -
A hierarchical parallel implementation model for algebra-based CFD simulations on hybrid supercomputers
(Universitat Politècnica de Catalunya, 2022-09-05)
Doctoral thesis
Open Access(English) Continuous enhancement in hardware technologies enables scientific computing to advance incessantly and reach further aims. Since the start of the global race for exascale high-performance computing (HPC), ... -
Development of CFD-based multi-fidelity surrogate models for indoor environmental applications
(Universitat Politècnica de Catalunya, 2022-06-20)
Doctoral thesis
Open AccessThis thesis presents a methodology for CFD-based multi-fidelity surrogate models for indoor environmental applications. The main idea of this work is to develop a model that has accuracy comparable to CFD simulations but ... -
Computational modeling of adsorption packed bed reactors and solar-driven adsorption cooling systems
(Universitat Politècnica de Catalunya, 2021-05-03)
Doctoral thesis
Open AccessEnvironmental concerns regarding climate change and ozone depletion urge for a paradigm shift in the cooling production. The cooling demand exhibits an alarmingly increasing trend, thus its satisfaction in a sustainable ... -
On the development of direct numerical simulations for falling films
(Universitat Politècnica de Catalunya, 2021-01-07)
Doctoral thesis
Open AccessMultiphase flows present a rich variety of physical instabilities, which may turn into a set of interesting techonological features. In the particular case of vertical fallings films, these features provide with short ... -
A new grey area mitigation technique for DES : theory and assessment
(Universitat Politècnica de Catalunya, 2020-12-17)
Doctoral thesis
Open AccessThe use of hybrid RANS-LES methods has become widespread during the last decade, as an interesting approach for covering the gap between RANS and LES turbulence models in terms of both computational resources and degree ... -
Developing numerical methods for fully-coupled nonlinear fluid-structure interaction problems
(Universitat Politècnica de Catalunya, 2019-07-22)
Doctoral thesis
Open AccessThis thesis is dedicated to developing numerical methods to solve fluid-structure interaction (FSI) problems. FSI features in a vast range of physical systems and has a wide application in engineering. The work of this ... -
Numerical simulation of Newtonian/non-Newtonian multiphase flows : deformation and collision of droplets
(Universitat Politècnica de Catalunya, 2019-07-24)
Doctoral thesis
Open AccessThe complex nature of multiphase flows, particularly in the presence of non-Newtonian rheologies in the phases, limits the applicability of theoretical analysis of physical equations as well as setting up laboratory ... -
Efficient wall modeling for large eddy simulations of general non-equilibrium wall-bounded flows
(Universitat Politècnica de Catalunya, 2019-07-05)
Doctoral thesis
Open AccessThe main purpose of this thesis has been to contribute to the development of methodologies for wall modeling Large Eddy Simulations (LES) of wall-bounded flows, especially those at high Reynolds numbers. This flow configuration ... -
Development of a finite volume method for elastic materials and fluid-solid coupled applications
(Universitat Politècnica de Catalunya, 2019-04-12)
Doctoral thesis
Open AccessThis thesis presents the development of a parallel finite volume numerical method to analyse thermoelastic and hyperelastic materials and applied problems with mutual interaction between a fluid and a structure. The ...
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