Jolivet, Pierre; Roman, Jose E.; Zampini, Stefano(Elsevier, 2021-02-15)
[EN] Contemporary applications in computational science and engineering often require the solution of linear systems which may be of different sizes, shapes, and structures. The goal of this paper is to explain how two ...
Schauer, M; Langer, S; Román Moltó, José Enrique; Quintana-Orti, ES(World Scientific Publishing, 2011-03)
This paper applies a parallel algorithm for a coupled Finite Element/Scaled Boundary Element (FEM/SBFEM)-approach to study soil-structure-interaction problems. The application code is designed to run on clusters of computers, ...
Ramos Peinado, Enrique; Abarca Giménez, Agustín; Román Moltó, José Enrique; Miró Herrero, Rafael(Sociedad Nuclear Española, 2014-10)
[ES] Realizar análisis en seguridad nuclear a nivel de varilla de
combustible requiere las ejecución de códigos acoplados neutrónicotermohidráulicos
que permitan la simulación de grandes dominios físicos en un
tiempo ...
Daniel Kressner; Román Moltó, José Enrique(Wiley, 2014-08)
Novel memory-efficient Arnoldi algorithms for solving matrix polynomial eigenvalue problems are presented. More specifically, we consider the case of matrix polynomials expressed in the Chebyshev basis, which is often ...
Román Moltó, José Enrique(Universitat Politècnica de València, 2016-05-04)
Se comentan algunos detalles del paradigma de programación paralela de paso de mensajes, tales como las operaciones no bloqueantes, las operaciones colectivas, o los problemas de serialización e interbloqueo.
Lamas Daviña, Alejandro; Roman, Jose E.(Elsevier, 2018)
[EN] We consider the computation of a few eigenpairs of a generalized eigenvalue problem Ax = lambda Bx with block-tridiagonal matrices, not necessarily symmetric, in the context of Krylov methods. In this kind of computation, ...
Román Moltó, José Enrique(Universitat Politècnica de València, 2016-05-04)
Se describen los conceptos básicos de MPI (Message Passing Interface), comentando el modelo de programación y el modelo de ejecución. También se describe brevemente el concepto de comunicador.
Merz, F.; Kowitz, C.; Romero Alcalde, Eloy; Román Moltó, José Enrique; Jenko, F.(Elsevier, 2012-04)
Plasma microinstabilities, which can be described in the framework of the linear gyrokinetic equations, are routinely computed in the context of stability analyses and transport predictions for magnetic confinement fusion ...
[EN] The use of mixed oxide (MOX) fuel to partially fill the cores of commercial light water reactors (LWRs) gives rise to a reduction of the radioactive waste and production of more energy. However, the use of MOX fuels ...
Campos, Carmen; Roman, Jose E.(Association for Computing Machinery, 2021-06)
[EN] SLEPc is a parallel library for the solution of various types of large-scale eigenvalue problems. Over the past few years, we have been developing a module within SLEPc, called NEP, that is intended for solving nonlinear ...
[EN] We present a framework to solve non-linear eigenvalue problems suitable for a Finite Element discretization. The implementation is based on the open-source finite element software GetDP and the open-source library ...
Shevchenko, I. V.; Berloff, P. S.; Guerrero López, David; Román Moltó, José Enrique(Cambridge University Press (CUP), 2016-05)
This paper studies the large-scale low-frequency variability of the wind-driven midlatitude ocean gyres and their western boundary currents, such as the Gulf Stream or Kuroshio, simulated with the eddy-resolving quasi-geostrophic ...
Lamas Daviña, Alejandro; Ramos Peinado, Enrique; Román Moltó, José Enrique(Elsevier, 2016-12)
The numerical simulation of molecular clusters formed by a finite number of exchange-coupled
paramagnetic centers is very relevant for many applications, modeling systems between molecules and
extended solids. In the ...
Campos del Pozo, Fernando(Universitat Politècnica de València, 2015-02-11)
[EN] Hybrid parallelization of AHF software (http://popia.ft.uam.es/AHF), a halo finder meant to discover cosmological structures analyzing the results of cosmological simulations. The software is already distributed using ...
Navarro Cosme, Tomás(Universitat Politècnica de València, 2016-07-19)
[EN] CUDA parallelization of a program, originally written in Fortran with MPI, for the calculation
of the dynamic of electrons, taking particular attention to the formation of runaway
electrons in a mangentically confined ...
Schauer, Marco; Román Moltó, José Enrique; Quintana Ortí, Enrique Salvador; Langer, Sabine(Springer Verlag (Germany), 2012-08)
This paper introduces a parallel algorithm for the scaled boundary finite element method (SBFEM). The application code is designed to run on clusters of computers, and it enables the analysis of large-scale soil-structur ...