Search Results - "Dely, Alexandre"

Constrained Pseudoinverses for the Electromagnetic Inverse Source Problem by Citraro, Ermanno, Ricci, Paolo, Dely, Alexandre, Merlini, Adrien, Andriulli, Francesco P.

“…Inverse source strategies have proven to be quite relevant for several applications in advanced electromagnetics. These schemes are based on the solution of…”
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Laplacian Filtered Loop-Star Decompositions and Quasi-Helmholtz Filters: Definitions, Analysis, and Efficient Algorithms by Merlini, Adrien, Henry, Clement, Consoli, Davide, Rahmouni, Lyes, Dely, Alexandre, Andriulli, Francesco P.

“…Quasi-Helmholtz decompositions are fundamental tools in integral equation modeling of electromagnetic problems because of their ability of rescaling solenoidal…”
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Calderón Strategies for the Convolution Quadrature Time-Domain Electric Field Integral Equation by Cordel, Pierrick, Dely, Alexandre, Merlini, Adrien, Andriulli, Francesco P.

“…In this work, we introduce new integral formulations based on the convolution quadrature method for the time-domain modeling of perfectly electrically…”
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Electromagnetic Integral Equations: Insights in Conditioning and Preconditioning by Adrian, Simon B., Dely, Alexandre, Consoli, Davide, Merlini, Adrien, Andriulli, Francesco P.

“…Integral equation formulations are a competitive strategy in computational electromagnetics but, lamentably, are often plagued by ill-conditioning and by…”
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Calderón Preconditioners for the TD-EFIE discretized with Convolution Quadratures by Cordel, Pierrick, Dely, Alexandre, Merlini, Adrien, Andriulli, Francesco P.

“…This work focuses on the preconditioning and DC stabilization of the time domain electric field integral equation discretized in time with the convolution…”
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On some Operator Filtering Strategies Based on Suitably Modified Green's Functions by Masciocchi, Matteo E., Citraro, Ermanno, Dely, Alexandre, Rahmouni, Lyes, Merlini, Adrien, Andriulli, Francesco P.

“…Recent contributions showed the benefits of operator filtering for both preconditioning and fast solution strategies. While previous contributions leveraged…”
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Fast Direct Solvers for Integral Equations at Low-Frequency Based on Operator Filtering by Henry, Clement, Consoli, Davide, Dely, Alexandre, Rahmouni, Lyes, Merlini, Adrien, Andriulli, Francesco P.

“…This paper focuses on fast direct solvers for integral equations in the low-to-moderate-frequency regime obtained by leveraging preconditioned first kind or…”
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Large Time Step and DC Stable TD-EFIE Discretized With Implicit Runge-Kutta Methods by Dely, Alexandre, Andriulli, Francesco P., Cools, Kristof

“…The time domain-electric field integral equation (TD-EFIE) and its differentiated version are widely used to simulate the transient scattering of a time…”
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On the Fast Direct Solution of a Preconditioned Electromagnetic Integral Equation by Consoli, Davide, Henry, Clement, Dely, Alexandre, Rahmouni, Lyes, Guzman, John Erik Ortiz, Chhim, Tiffany L., Adrian, Simon B., Merlini, Adrien, Andriulli, Francesco P.

“…This work presents a fast direct solver strategy for electromagnetic integral equations in the high-frequency regime. The new scheme relies on a suitably…”
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On a well-conditioned impedance boundary condition EFIE by Dely, Alexandre, Andriulli, Francesco P., Cools, Kristof

“…We present a new formulation for the Impedance Boundary Condition - Electric Field Integral Equation (IBC-EFIE) which requires a number of iterations to be…”
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On a Conforming Impedance Boundary Condition EFIE by Dely, Alexandre, Andriullil, Francesco P., Cools, Kristof

“…We introduce a fully conforming Impedance Boundary Condition - Electric Field Integral Equation (IBC-EFIE) that is shown to be stable both at low frequency and…”
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An Impedance Boundary Condition EFIE That Is Low-Frequency and Refinement Stable by Dely, Alexandre, Andriulli, Francesco P., Cools, Kristof

“…A discretization of the impedance boundary condition electric field integral equation (IBC-EFIE) is introduced that: 1) yields the correct solution at…”
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Computational strategies for impedance boundary condition integral equations in frequency and time domains by Dély, Alexandre

“…The Electric Field Integral Equation (EFIE) is widely used to solve wave scattering problems in electromagnetics using the Boundary Element Method (BEM). In…”
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On Preconditioning Electromagnetic Integral Equations in the High Frequency Regime via Helmholtz Operators and quasi-Helmholtz Projectors by Dely, Alexandre, Merlini, Adrien, Adrian, Simon B., Andriulli, Francesco P.

“…Fast and accurate resolution of electromagnetic problems via the boundary element method (BEM) is oftentimes challenged by conditioning issues occurring in…”
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A Low-Frequency and Refinement Stable Impedance Boundary Condition EFIE by Dely, Alexandre, Andriulli, Francesco P, Cools, Kristof

“…In this contribution, a discretisation of the IBC EFIE is introduced that (i) yields the correct solution at arbitrarily small frequencies, (ii) requires for…”
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Calder\'on Strategies for the Convolution Quadrature Time Domain Electric Field Integral Equation by Cordel, Pierrick, Dély, Alexandre, Merlini, Adrien, Andriulli, Francesco P

“…In this work, we introduce new integral formulations based on the convolution quadrature method for the time-domain modeling of perfectly electrically…”
Get full text

On a Constrained Pseudoinverse for the Electromagnetic Inverse Source Problem by Citraro, Ermanno, Dély, Alexandre, Merlini, Adrien, Andriulli, Francesco Paolo

“…Inverse source approaches have shown their relevance for several applications in the past years. They rely on the solution of an ill-posed problem where…”
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Calder\'on Preconditioners for the TD-EFIE discretized with Convolution Quadratures by Cordel, Pierrick, Dély, Alexandre, Merlini, Adrien, Andriull, Francesco P

“…This work focuses on the preconditioning and DC stabilization of the time domain electric field integral equation discretized in time with the convolution…”
Get full text

Large Time Step and DC Stable TD-EFIE Discretized with Implicit Runge-Kutta Methods by Dély, Alexandre, Andriulli, Francesco P, Cools, Kristof

“…IEEE Transactions on Antennas and Propagation, vol. 68, no. 2, pp. 976-985, Feb. 2020 The Time Domain-Electric Field Integral Equation (TD-EFIE) and its…”
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On some Operator Filtering Strategies Based on Suitably Modified Green's Functions by Masciocchi, Matteo E, Citraro, Ermanno, Dély, Alexandre, Rahmouni, Lyes, Merlini, Adrien, Andriulli, Francesco P

“…Recent contributions showed the benefits of operator filtering for both preconditioning and fast solution strategies. While previous contributions leveraged…”
Get full text