[PDF] Top 20 TítuloA boundary element numerical approach for earthing grid computation

... the discretization, or using higher order elements (linear or parab olic) [14]. W e must take into account that the obtention of asymptotical solutions by[r] ... See full document

... finite element method for the generalized Stokes prob- lem. The approach, which is a natural extension of a previous procedure applied to quasi- Newtonian Stokes flows, is based on the introduction ... See full document

... Since computation of potential is only required on the earth surface 0E , and the equivalent resistance can be easily obtained in terms of the leakage current 2, a Boundary Element appro[r] ... See full document

... On the other hand, to obtain highly accurate solutions by means of standard techniques (FEM, Finite Dierences) should imply unapproachable computing requirements; analytical solutions ar[r] ... See full document

... A Boundary Element approach for the analysis of substation earth-. ing systems has b een presented[r] ... See full document

... "A Boundary Element Numerical Approach for Substation Grounding in a Two Layer Earth Structure".. I..[r] ... See full document

... KEY WORDS : Earthing Computation, Boundary Element Metho ds, Grounding Grid Design.. 1 Intro duction.[r] ... See full document

... a numerical ap- proach based on the transformation of the differential equations that govern the phys- ical phenomena onto an equivalent boundary integral equation and the subsequent application of the ... See full document

... the numerical solution u h on the computational domain [ − 1/4, 1/4] × [ − 1/4, 1/4] with the numerical solution on a longer domain [ − 1/4 − 5/2, 1/4 + 5/2] × [ − 1/4, 1/4] for the same step size ... See full document

... Now, for given sets of 2D boundary elements and trial functions de ned on 0, both the earthing electrode surface 0 and the leakage current density can be discretized.. Then, for a given[r] ... See full document

... "A Numerical Formulation for Grounding Analysis in Stratified Soils" I. Casteleiro (2002)[r] ... See full document

... [2] J.I. D´ıaz, P. Gal´ an del Sastre and J.F. Padial, On a Mathematical Model Arising in MHD Perturbed Equilibrium for Stellarator Devices: A numerical Approach. Proceedings of The 2012 ... See full document

... lf, through o new selling, onother reloy chorocteristic other lhon lhe old one has been chosen (e.g. from DEFT to NINV), but the time deloy setting has not been chonged despite lhe warning from lhe floshing LED, the ... See full document

... 15. Romero, J., Machado, P., Santos, A., Cardoso, A.: On the development of critics in evolutionary computation artists. In: G¨ unther, R., et al. (eds.) Applications of Evolutionary Computing, EvoWorkshops 2003: ... See full document

... "A General Numerical Model for Grounding Analysis in Layered Soils" I. Casteleiro (2002)[r] ... See full document

... "A general numerical model for grounding analysis in layered soils" I. Topping (Editors); Civil-Comp Press, Edinburgh, UK.[r] ... See full document

... The method and condition of the calculation are the same as those shown in table 1. The figure for the calculated model (type R1) is shown in figure 7. Ps and P represent source and receive positions, ... See full document

... the grid, job submission, or user profile information (personal data, certificate details, user preferences, or user ...history). For illustrative purposes, ...the grid and displayed in a menu): ... See full document

... analysis for domain-oriented non-conforming boundary elements yields quasi-optimal error estimates which are perturbed by (poly-) logarithmic terms depending on the mesh size, see [3, 8, ...) for the ... See full document

... Numerical integration –which concerns the nature itself of meshless methods— has received much attention in Galerkin-based meshless formulations (e.g., the EFGM [2]) but it has not been explicitly studied in SPH, ... See full document