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Performance of a multi-frontal parallel direct solver for hp-finite element method 

Paszynski, M.; Pardo, D.Autoridad BCAM; Torres-Verdin, C. (2009-12-31)
In this paper we present the performance of our parallel multi-frontal direct solver when applied to solve linear systems of equations resulting from discretizations of a hp Finite Element Method (hp-FEM). The hp-FEM ...
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Simulation of DC dual-laterolog measurements in complex formations: A Fourier-series approach with nonorthogonal coordinates and self-adapting finite elements 

Nam, M.J.; Pardo, D.Autoridad BCAM; Torres-Verdin, C. (2009-12-31)
Dual laterolog (DLL) makes use of a galvanic conduction principle to focus electrical currents into rock formations, thereby minimizing shoulder and borehole effects in the measurement of formation resistivity. The tool ...
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Sensitivity study of borehole-to-surface and crosswell electromagnetic measurements acquired with energized steel casing to water displacement in hydrocarbon-bearing layers 

Pardo, D.Autoridad BCAM; Torres-Verdin, C.; Zhang, Z. (2008-12-31)
We study the theoretical response of electromagnetically energized steel casing in the presence of subsurface variations of electrical resistivity. Casing is energized with a finite-size solenoid antenna located along the ...
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Energy-norm-based and goal-oriented automatic hp adaptivity for electromagnetics: Application to waveguide Discontinuities 

Garcia-Castillo, L.E.; Pardo, D.Autoridad BCAM; Demkowicz, L. (2008-12-31)
The finite-element method (FEM) enables the use of adapted meshes. The simultaneous combination of h (local variations in element size) and p (local variations in the polynomial order of approximation) refinements, i.e., ...

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AuthorPardo, D. (4)Torres-Verdin, C. (3)Demkowicz, L. (1)Garcia-Castillo, L.E. (1)Nam, M.J. (1)Paszyński, M. (1)Zhang, Z. (1)SubjectDirect solvers (1)Finite element method (1)Finite-element methods (FEMs) (1)Hp adaptivity (1)Parallel algorithms (1)Rectangular waveguides (1)Waveguide discontinuities (1)... másFecha2009 (2)2008 (2)

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