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Cálculo y diseño asistido por ordenador de tomas de tierra en instalaciones eléctricas: una formulación numérica basada en el método integral de elementos de contorno 

Colominas, Ignasi (1995)
[Resumen] En esta tesis doctoral se presenta una formulación numérica general para el cálculo y el diseño asistido por ordenador de tomas de tierra en instalaciones eléctricas. En primer lugar, se identifica la naturaleza ...
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A numerical refraction-diffraction model in the ray-front coordinate system 

Iglesias Rodríguez, Gregorio; Acinas García, Juan R.; Colominas, Ignasi (Computational mechanics: new trends and applications (CD-ROM), 1998)
[Resument] A model for the propagation of water waves is presented, which retrieves the concepts of rays and fronts from the geometrical optics approximation. Their definition here is nevertheless different in that it ...
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Una formulación general de elementos de contorno para el diseño asistido por ordenador de tomas de tierra en subestaciones eléctricas 

Colominas, Ignasi; Navarrina, Fermín; Casteleiro, Manuel (Centro Internacional de Métodos Numéricos en Ingeniería, CIMNE (Barcelona), 1996)
[Resumen] La puesta a tierra de una instalación eléctrica es imprescindible para garantizar su seguridad cuando tienen lugar situaciones de fallo. Para su correcto diseño se requiere la determinación de una serie de ...
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A BEM approach for grounding grid computation 

Colominas, Ignasi; Navarrina, Fermín; Casteleiro, Manuel (Computational Mechanics Publications, 1994)
[Abstract] Grounding systems are designed to preserve human safety and grant the integrity of equipments under fault conditions. To achieve these goals, the equivalent electrical resistance of the system must be low ...
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A BEM formulation for computational design of grounding systems in stratified soils 

Colominas, Ignasi; Aneiros Blanco, Juan M.; Navarrina, Fermín; Casteleiro, Manuel (Centro Internacional de Métodos Numéricos en Ingeniería, 1998)
[Abstract] Substation grounding design involves computing the equivalent resistance of the earthing system -for reasons of equipment protection-, as well as distribution of potentials on the earth surface -for reasons of ...
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A boundary element numerical approach for earthing grid computation 

Colominas, Ignasi; Navarrina, Fermín; Casteleiro, Manuel (Elsevier, 1999)
[Abstract] Analysis and design of substation earthing involves computing the equivalent resistance of grounding systems, as well as distribution of potentials on the earth surface due to fault currents [1,2]. While very ...
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Desarrollo de una formulación numérica basada en el MEF para la estabilización de problemas de transporte por convección-difusión 

Figueroa Álvarez, Carlos Alberto; Colominas, Ignasi; Mosqueira Martínez, Gonzalo; Navarrina, Fermín; Casteleiro, Manuel (Sociedad Española de Métodos Numéricos en Ingeniería, 1999)
[Resumen] La modelización de problemas en mecánica de fluidos cuando la velocidad del fluido es elevada resulta complicada debido a la aparición de inestabilidades en la solución numérica al emplear esquemas convencionales ...
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Development of a CAD system based on a BEM approach for earthing grids in stratified soils 

Colominas, Ignasi; Navarrina, Fermín; Aneiros Blanco, Juan M.; Casteleiro, Manuel (Elsevier, 1999)
[Abstract] The design of safe earthing systems is esential to assure the security of the persons as well as the protection of the equipment and the continuity of the power supply. For the attainment of these aims, it is ...
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Analytical integration techniques for earthing grid computation by boundary element methods 

Navarrina, Fermín; Colominas, Ignasi; Casteleiro, Manuel (Centro Internacional de Métodos Numéricos en Ingeniería, CIMNE (Barcelona), 1992)
[Abstract] Analysis and design of substation earthing involves computing the equivalent resistance of grounding systems, but also distribution of potentials on the earth surface due to fault currents [1]. While very crude ...
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A validation of the boundary element method for grounding grid design and computation 

Colominas, Ignasi; Navarrina, Fermín; Casteleiro, Manuel (Centro Internacional de Métodos Numéricos en Ingeniería, CIMNE (Barcelona), 1992)
[Abstract] Several widespread intuitive techniques developed during the last two decades for substation grounding analysis, such as the Average Potential Method (APM), have been recently identified as particular cases of ...
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Colominas, Ignasi (26)
Navarrina, Fermín (24)Casteleiro, Manuel (23)Aneiros Blanco, Juan M. (5)Chao López, Mar (5)Mosqueira Martínez, Gonzalo (5)Figueroa Álvarez, Carlos Alberto (3)Iglesias Rodríguez, Gregorio (2)Acinas García, Juan R. (1)Bendito Pérez, Enrique (1)... View MoreSubjectBoundary element method (4)Grounding (3)Enrichment functions (2)Meshless methods (2)Método de elementos de contorno (2)Teoría del potencial (2)Transporte por convección-difusión (2)Advective-diffusive transport (1)CAD System (1)Diffraction (1)... View MoreDate Issued1999 (10)1998 (6)1997 (2)1996 (1)1995 (2)1994 (1)1993 (2)1992 (2)
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