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Exploiting the Kronecker product structure of φ−functions in exponential integrators 

Muñoz-Matute, J.Autoridad BCAM; Pardo, D.Autoridad BCAM; Calo, Victor M. (2022-05-15)
Exponential time integrators are well-established discretization methods for time semilinear systems of ordinary differential equations. These methods use (Formula presented.) functions, which are matrix functions related ...
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A space-time DPG method for the wave equation in multiple dimensions 

Sepúlveda, P.; Gopalakrishnan, J. (2019)
A space-time discontinuous Petrov–Galerkin (DPG) method for the linear wave equation is presented. This method is based on a weak formulation that uses a broken graph space. The well-posedness of this formulation is ...
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Asymptotic Models for the Electric Potential across a Highly Conductive Casing 

Erdozain, A.; Péron, V.; Pardo, D.Autoridad BCAM (2018-07)
We analyze a configuration that involves a steel-cased borehole, where the casing that covers the borehole is considered as a highly conductive thin layer. We develop an asymptotic method for deriving reduced problems ...
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A Numerical 1.5D Method for the Rapid Simulation of Geophysical Resistivity Measurements 

Shahriari, M.; Rojas, S.; Pardo, D.Autoridad BCAM; Rodríguez-Rozas, A.; Bakr, S.A.; Calo, V.M.; Muga, I. (2018-06-14)
In some geological formations, borehole resistivity measurements can be simulated using a sequence of 1D models. By considering a 1D layered media, we can reduce the dimensionality of the problem from 3D to 1.5D via a ...
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Discrete maximum principles for nonlinear parabolic PDE systems 

Faragó, I.; Karátson, J.; Korotov, S. (2012-12-31)
Discrete maximum principles (DMPs) are established for finite element approximations of systems of nonlinear parabolic partial differential equations with mixed boundary and interface conditions. The results are based on ...

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AuthorPardo, D. (3)Bakr, S.A. (1)Calo, V.M. (1)Calo, Victor M. (1)Erdozain, A. (1)Faragó, I. (1)Gopalakrishnan, J. (1)Karátson, J. (1)Korotov, S. (1)Muga, I. (1)... másSubject
finite element method (5)
asymptotic models (1)borehole (1)discontinuous Petrov-Galerkin (1)discrete maximum principle (1)electric potential (1)exponential integrators (1)Hankel transform (1)hyperbolic (1)impedance conditions (1)... másFecha2022 (1)2019 (1)2018 (2)2012 (1)

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