Listar GI-GMNE - Congresos, conferencias, etc. por data de publicación
Mostrando ítems 1-20 de 78
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Analytical integration techniques for earthing grid computation by boundary element methods
(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 ... -
A validation of the boundary element method for grounding grid design and computation
(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 ... -
Una formulación aproximada mediante el método de elementos de contorno para la solución de problemas en teoría del potencial
(Sociedad Española de Métodos Numéricos en Ingeniería, 1993)[Resumen] El diseño de tomas de tierra para subestaciones eléctricas requiere el cálculo de la resistencia equivalente y la distribución de potencial en la superficie del terreno cuando se produce un ortocircuito [1]. ... -
Fórmulas analíticas de integración para el cálculo de tomas de tierra mediante el método de elementos de contorno
(Sociedad Española de Métodos Numéricos en Ingeniería, 1993)[Resumen] La resolución de problemas en Teoría del Potencial, y en particular, el cálculo de tomas de tierra en instalaciones eléctricas, ha adquirido nuevas perspectivas mediante la aplicación del Método de Elementos ... -
A BEM approach for grounding grid computation
(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 ... -
Numerical computation of grounding grids
(Asociación Argentina de Mecánica Computacional, 1995)[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 ... -
Una formulación general de elementos de contorno para el diseño asistido por ordenador de tomas de tierra en subestaciones eléctricas
(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 ... -
A boundary element numerical approach for substation grounding in a two layer earth structure
(Tech Science Press, 1997)[Abstract] Analysis and design of substation grounding requires computing the distribution of potential on the earth surface (for reasons of human security) and the equivalent resistance of the earthing system (for reasons ... -
A BEM formulation for computational design of grounding systems in stratified soils
(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 ... -
High order shape design sensitivity: an unified approach
(Centro Internacional de Métodos Numéricos en Ingeniería, 1998)[Abstract] Three basic analytical approaches have been proposed for the calculation of sensitivity derivatives in shape optimization problems. The first approach is based on differentiation of the discretized equations. ... -
A general formulation based on the boundary element method for the analysis of grounded instalations in layered soils
(Computational Mechanics Publications, 1998)[Abstract] The design of safe grounding systems requires computing the potential level distribution on the earth surface for reasons of human security, as well as the equivalent resistance of the earthing installation ... -
Application of meshless methods to the analysis and design of grounding systems
(Centro Internacional de Métodos Numéricos en Ingeniería, 1998)[Abstract] Analysis and design of grounding systems of electrical installations involves computing the potential distribution in the earth and the equivalent resistance of the system. Several numerical formulations based ... -
A meshless numerical formulation for the solution of potential problems in engineering applications
(Tech Science Press, 1998) -
A numerical refraction-diffraction model in the ray-front coordinate system
(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 ... -
A meshless numerical approach for the analysis of earthing systems in electrical installations
(Technische Universität München, 1999)[Abstract] In the last three decades some numerical formulations have been developed for solving potential problems in electrical engineering applications. In the particular case of the grounding analysis area, in recent ... -
A Finite element formulation for the resolution of the unsteady incompressible viscous flow for low Reynolds numbers
(International Association for Hydraulic Research, 1999)[Abstract] The following paper shows a Finite Element formulation for the resolution of the local and convective acceleration terms including- Navier-Stokes equations, which gives analytical response to the problem of ... -
A stabilized finite element approach for advective-diffusive transport problems
(Escola Politécnica da Universidade de Sao Paulo, 1999)[Abstract] As it is well-know, the numerical simulation in fluid mechanics is quite difficult specially when the velocity of the fluid is important. These problems are reflected in the apparearance of numerical oscillations ... -
Development of a CAD system based on a BEM approach for earthing grids in stratified soils
(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 ... -
Meshless methods for potential problems in electrical engineering applications
(Elsevier, 1999)[Abstract] In some problems in engineering applications, the mesh generation process represents one of the big challenges when numerical methods such as finite elements, finite differences or boundary elements are applied. ... -
Una formulación numérica para el análisis de redes de tierra de instalaciones eléctricas incorporando modelos de terreno multicapa
(Sociedad Española de Métodos Numéricos en Ingeniería, 1999)[Resumen] El correcto diseño de la red de tierras de una gran instalación eléctrica es esencial para garantizar tanto la seguridad de las personas como la protección de los equipos. Para ello se requiere la determinación ...