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Researcher
Kristof Cools
Profile
Projects
Publications
Activities
Awards & Distinctions
100
Results
2025
Theory and Computation of Electromagnetic Fields in Layered Media
Kristof Cools
Bookreview
2025
2024
A DC stable, well-conditioned and low-frequency regularized time-domain PMCHWT equation
Van Chien Le
F.P. Andriulli
Kristof Cools
P1
Conference
2024
A combined field integral equation for scattering by open surfaces
Paul Olyslager
Hendrik Rogier
Kristof Cools
P1
Conference
2024
A fast converging boundary element method for the scattering by perfectly conducting non-orientable objects
Kristof Cools
Carolina Urzua-Torres
P1
Conference
2024
A stabilized time-domain combined field integral equation using the quasi-Helmholtz projectors
Van Chien Le
Pierrick Cordel
Francesco P. Andriulli
Kristof Cools
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2024
A time domain combined field integral equation for open screens
Paul Olyslager
Hendrik Rogier
Kristof Cools
C1
Conference
2024
Accurate and efficient integral equations for the modeling of composite and non-uniform systems
Cedric Münger
Kristof Cools
Dissertation
2024
An operator preconditioned combined field integral equation for electromagnetic scattering
Van Chien Le
Kristof Cools
A1
Journal Article
in
SIAM JOURNAL ON NUMERICAL ANALYSIS
2024
Block diagonal Calderón preconditioning for scattering at multi-screens
Kristof Cools
Carolina Urzua-Torres
A1
Journal Article
in
BIT NUMERICAL MATHEMATICS
2024
Fast and accurate time domain solver based on the exact calculation of matrix entries in boundary element method for scalar wave scattering
Alessandro Zuccotti
Kristof Cools
P1
Conference
2024
Multi-trace integral equation for the vector potential
Paul Olyslager
Hendrik Rogier
Kristof Cools
P1
Conference
2024
Multi-trace single source equations free from PEC resonances
Cedric Münger
Kristof Cools
P1
Conference
2024
Newton-raphson nonlinear solver for electric field integral equation and resistive boundary condition
Prakash Jay
M.T. Greenaway
Kristof Cools
P1
Conference
2024
Numerically stable analytical computation of double surface integrals over almost parallel flat supports for time and frequency domain Galerkin discretization of wave scattering problems
Alessandro Zuccotti
Kristof Cools
C1
Conference
2024
Refinement free single source formulation of scattering by penetrable objects
Alessandro Zuccotti
Kristof Cools
P1
Conference
2024
Resonant free multi-trace, single source equations for penetrable structures
Cedric Münger
Kristof Cools
C1
Conference
2024
Toward the design of preconditioners for the global multi-trace integral equation for the vector potential
Paul Olyslager
Hendrik Rogier
Kristof Cools
C1
Conference
2024
Use of 2nd order Rao-Wilton-Glisson basis functions to model scattering by strongly nonlinear surfaces
Prakash Jay
Kristof Cools
C1
Conference
2024
2023
A Yukawa-Calderón time-domain combined field integral equation for electromagnetic scattering
Van Chien Le
Pierrick Cordel
Francesco P. Andriulli
Kristof Cools
P1
Conference
2023
Exact calculation of matrix entries in space-time Galerkin time domain boundary element method for the scalar wave equation
Alessandro Zuccotti
Kristof Cools
P1
Conference
2023
Multi-screen boundary element methods for the time domain electric field integral equation
Kristof Cools
Carolina Urzua-Tones
P1
Conference
2023
Multi-trace formulation of internally combined volume-surface integral equations
Cedric Münger
Kristof Cools
C1
Conference
2023
On a time domain Calderón preconditioned CFIE discretized with convolution quadratures
Pierrick Cordel
Van Chien Le
Adrien Merlini
Kristof Cools
Francesco P. Andriulli
C1
Conference
2023
Resection strategy for the multi-level plane wave time domain algorithm
Cedric Münger
Kristof Cools
P1
Conference
2023
Single source formulation for the scattering/transmission problem by penetrable targets including conducting multi-screens
Kristof Cools
P1
Conference
2023
Single source volume-surface integral equations for scattering on nonuniform structures
Cedric Münger
Kristof Cools
C1
Conference
2023
Time-domain boundary element method incorporating strongly nonlinear conductivity for application in the modeling of 2D devices
Prakash Jay
Mark T. Greenaway
Kristof Cools
C1
Conference
2023
Volume-surface integral equation solver for chiral media
Paul Olyslager
Cedric Münger
Hendrik Rogier
Kristof Cools
P1
Conference
2023
2022
A fast converging resonance-free global multi-trace method for scattering by partially coated composite structures
Shakirudeen Lasisi
Trevor M. Benson
Gabriele Gradoni
Mark Greenaway
Kristof Cools
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2022
Efficient evaluation of volume integral equations
Cedric Münger
Kristof Cools
C1
Conference
2022
Efficient numerical evaluation of singular integrals in volume integral equations
Cedric Münger
Kristof Cools
A2
Journal Article
in
IEEE JOURNAL ON MULTISCALE AND MULTIPHYSICS COMPUTATIONAL TECHNIQUES
2022
Modeling of resonant tunneling diode oscillators based on the time-domain boundary element method
Shakirudeen O. Lasisi
Trevor M. Benson
Mark T. Greenaway
Gabriele Gradoni
Kristof Cools
A2
Journal Article
in
IEEE JOURNAL ON MULTISCALE AND MULTIPHYSICS COMPUTATIONAL TECHNIQUES
2022
Preconditioners for multi-screen scattering
Kristof Cools
Carolina Urzua-Torres
C1
Conference
2022
2014
A magnetic type integral operator which is stable till extremely low frequencies
FP Andriulli
Ignace Bogaert
Kristof Cools
E Michielssen
P1
Conference
2014
2012
A Calderon multiplicative preconditioner for the PMCHWT equation for scattering by chiral objects
Yves Beghein
Kristof Cools
Francesco P. Andriulli
Daniël De Zutter
Eric Michielssen
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2012
Accurate and conforming mixed discretization of the chiral Müller equation
Yves Beghein
Kristof Cools
Francesco P Andriulli
Daniël De Zutter
Eric Michielssen
P1
Conference
2012
Accurate temporal discretization of time domain boundary integral equations
Yves Beghein
Kristof Cools
Daniël De Zutter
P1
Conference
2012
Analysis and discretization of the Yukawa-Calderon preconditioned CFIE
Francesco P Andriulli
Kristof Cools
Ignace Bogaert
Hakan Bagci
Pasi Yla-Ojiala
Eric Michielssen
C1
Conference
2012
Low-frequency regularization of the mixed-discretized Calderon CFIE
Francesco P Andriulli
Kristof Cools
Ignace Bogaert
Hakan Bagci
Pasi Ylä-Oijala
Eric Michielssen
C3
Conference
2012
On the low frequency behavior of the mixed discretized time domain magnetic field integral equation
H Arda Ülkü
Ignace Bogaert
Kristof Cools
Francesco P. Andriulli
Hakan Bagci
C3
Conference
2012
On the mixed discretization of the time domain magnetic field integral equation
H Arda Ülkü
Ignace Bogaert
Kristof Cools
Francesco P Andriulli
Hakan Bagci
P1
Conference
2012
Projection based quasi-Helmholtz decompositions: loop/star-like schemes without the search for global loops
Francesco P Andriulli
Ignace Bogaert
Kristof Cools
Eric Michielssen
C3
Conference
2012
2011
A Calderon multiplicative preconditioner for PEC structures containing junctions
FP Andriulli
Kristof Cools
E Michielssen
C3
Conference
2011
A new approach to BOR-FDTD subgridding
Wouter Tierens
Daniël De Zutter
Kristof Cools
P1
Conference
2011
Accurate and conforming mixed discretization of the MFIE
Kristof Cools
FP Andriulli
Daniël De Zutter
E Michielssen
A1
Journal Article
in
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
2011
Accurate and efficient algorithms for boundary element methods in electromagnetic scattering: a tribute to the work of F. Olyslager
Kristof Cools
Ignace Bogaert
Jan Fostier
Joris Peeters
Dries Vande Ginste
Hendrik Rogier
Daniël De Zutter
A1
Journal Article
in
RADIO SCIENCE
2011
Calderon multiplicative preconditioner for the PMCHWT equation applied to chiral media
Yves Beghein
Kristof Cools
Francesco P Andriulli
Daniël De Zutter
Eric Michielssen
P1
Conference
2011
High-order Calderon multiplicative preconditioner for time domain electric field integral equations
Felipe Valdés
Mohsen Ghaffari-Miab
Francesco P Andriulli
Kristof Cools
Joseph D Kotulski
Eric Michielssen
P1
Conference
2011
High-order div- and quasi curl-conforming basis functions for calderon multiplicative preconditioning of the EFIE
Felipe Valdes
Francesco P Andriulli
Kristof Cools
Eric Michielssen
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2011
Low frequency scaling of the mixed MFIE for scatterers with a non-simply connected surface
Ignace Bogaert
Kristof Cools
FP Andriulli
Daniël De Zutter
C1
Conference
2011
Low frequency stability of the mixed discretization of the MFIE
Ignace Bogaert
Kristof Cools
FP Andriulli
Joris Peeters
Daniël De Zutter
C1
Conference
2011
MoM impedance integrals in conductive media
Joris Peeters
Ignace Bogaert
Kristof Cools
Daniël De Zutter
P1
Conference
2011
2010
A broadband stable and efficient addition theorem for the two-dimensional Helmholtz equation
Ignace Bogaert
Daniël De Zutter
Kristof Cools
Jan Fostier
Bart Michiels
Joris Peeters
P1
Conference
2010
A calderon multiplicative preconditioner for coupled surface-volume electric field integral equations
Hakan Bagci
Francesco P Andriulli
Kristof Cools
Femke Olyslager
Eric Michielssen
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2010
A generalized Calderón preconditioner for the electric field integral equation
FP Andriulli
F Valdés
Kristof Cools
E Michielssen
P1
Conference
2010
Acceleration of the Calderón preconditioned PMCHWT solver by the asynchronously parallelized NSPWMLFMA
Kristof Cools
Joris Peeters
Ignace Bogaert
Jan Fostier
Bart Michiels
FP Andriulli
Daniël De Zutter
P1
Conference
2010
Combining Calderon preconditioning with fast multipole methods
Joris Peeters
Ignace Bogaert
Kristof Cools
Jan Fostier
Daniël De Zutter
P1
Conference
2010
Design of asynchronous and scalable MLFMA implementations
Jan Fostier
Bart Michiels
Joris Peeters
Ignace Bogaert
Kristof Cools
Daniël De Zutter
P1
Conference
2010
Determination of the macroscopic permeability of swiss rolls
Bart Michiels
Ignace Bogaert
Jan Fostier
Kristof Cools
Daniël De Zutter
P1
Conference
2010
Embedding calderon multiplicative preconditioners in multilevel fast multipole algorithms
Joris Peeters
Kristof Cools
Ignace Bogaert
Femke Olyslager
Daniël De Zutter
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2010
Fully localized high-order div- and quasi-curl-conforming basis functions for multiplicative Calderón preconditioning of the EFIE
Felipe Valdés
Francesco Andriulli
Kristof Cools
Joseph D Kotulski
Eric Michielssen
P1
Conference
2010
Improving the accuracy of the Calderón preconditioned CFIE by using a mixed discretization
Kristof Cools
FP Andriulli
P Ylä-Oijala
H Bagci
Daniël De Zutter
E Michielssen
P1
Conference
2010
Mixed discretization schemes for combined field integral equations
Pasi Ylä-Oijala
Sami P Kiminki
Kristof Cools
Francesco P Andriulli
Seppo Järvenpää
C3
Conference
2010
Recent advances in boundary element methods applied to conducting and dielectric electromagnetic scattering problems
Kristof Cools
Ignace Bogaert
Jan Fostier
Joris Peeters
Dries Vande Ginste
Hendrik Rogier
Daniël De Zutter
C1
Conference
2010
Well-conditioned conforming boundary integral based solvers for the modeling of scattering by penetrable objects
Kristof Cools
FP Andriulli
P Ylä-Oijala
Joris Peeters
Ignace Bogaert
Jan Fostier
Daniël De Zutter
C3
Conference
2010
2009
A Calderón multiplicative preconditioner for the PMCHWT integral equation
Femke Olyslager
Kristof Cools
Joris Peeters
Francesco P Andriulli
Eric Michielssen
P1
Conference
2009
A Calderón multiplicative preconditioner for the combined field integral equation
Hakan Bagci
Francesco P Andriulli
Kristof Cools
Femke Olyslager
Eric Michielssen
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2009
A Caldéron preconditioned PMCHWT equation
Kristof Cools
Francesco P Andriulli
Femke Olyslager
C1
Conference
2009
An hybrid Calderón-hierarchical preconditioner for the EFIE analysis of radiation and scattering from PEC bodies
Francesco P Andriulli
Hakan Bagci
Kristof Cools
Eric Michielssen
Femke Olyslager
Giuseppe Vecchi
P1
Conference
2009
CMP-based discretization of the combined field integral equation
Hakan Bagci
Francesco P Andriulli
Kristof Cools
Femke Olyslager
Eric Michielssen
P1
Conference
2009
CMP-based discretization of the coupled surface and volume electric field integral equations
Hakan Bagci
Francesco P Andriulli
Kristof Cools
Femke Olyslager
Eric Michielssen
P1
Conference
2009
Design of accurate and efficient boundary-integral-based solvers for the study of electromagnetic scattering
Kristof Cools
Ignace Bogaert
Jan Fostier
Joris Peeters
Daniël De Zutter
C1
Conference
2009
High-order quasi-curl conforming functions for multiplicative Calderón preconditioning of the EFIE
Felipe Valdés
Francesco P Andriulli
Kristof Cools
Eric Michielssen
P1
Conference
2009
Improving the MFIE's accuracy by using a mixed discretization
Kristof Cools
Francesco P Andriulli
Femke Olyslager
Eric Michielssen
P1
Conference
2009
Nullspaces of MFIE and Calderón preconditioned EFIE operators applied to toroidal surfaces
Kristof Cools
Francesco P Andriulli
Femke Olyslager
Eric Michielssen
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2009
On the use of high-order quasi-curl conforming basis functions for the PMCHWT and Müller integral equations
Felipe Valdés
Francesco P Andriulli
Kristof Cools
Eric Michielssen
C3
Conference
2009
Preconditioning of wire simulations in the presence of junctions
David Beke
Kristof Cools
Femke Olyslager
Eric Michielssen
P1
Conference
2009
Time domain Calderón identities and their application to the integral equation analysis of scattering by PEC objects, part I: preconditioning
Kristof Cools
Francesco P Andriulli
Femke Olyslager
Eric Michielssen
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2009
Time domain Calderón identities and their application to the integral equation analysis of scattering by PEC objects, part II: stability
Francesco P Andriulli
Kristof Cools
Femke Olyslager
Eric Michielssen
A1
Journal Article
in
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
2009
2008
A multiplicative Calderón preconditioner for the electric field integral equation
Francesco P. Andriulli
Kristof Cools
Hakan Bagci
Femke Olyslager
Annalisa Buffa
Snorre Christiansen
Eric Michielssen
A1
Journal Article
in
IEEE Transactions on Antennas and Propagation
2008
A multiplicative Calderón preconditioner for the electric field integral equation
F.P. Andriulli
Kristof Cools
H. Bagci
Femke Olyslager
A. Buffa
S. Christiansen
E. Michielssen
P1
Conference
2008
A multiplicative Calderón-based preconditioner for the combined field integral equation
H. Bagci
F.P. Andriulli
Kristof Cools
Femke Olyslager
E. Michielssen
C1
Conference
2008
A multiplicative Calderón-based preconditioner for the coupled surface and volume electric field integral equations
H. Bagci
F.P. Andriulli
Kristof Cools
Femke Olyslager
E. Michielssen
C1
Conference
2008
Advances in broadband and time-domain fast multipole research
Femke Olyslager
Ignace Bogaert
Kristof Cools
Jan Fostier
Joris Peeters
Daniël De Zutter
C3
Conference
2008
Creating a design platform for the modeling and optimization of advanced multilayered absorbers
Yoeri Ariën
Ignace Bogaert
Femke Olyslager
Kristof Cools
C1
Conference
2008
MFIEs applied to toroidal structures have spurious solutions
Kristof Cools
F.P. Andriulli
Femke Olyslager
E. Michielssen
C1
Conference
2008
Nullspace of the static MFIE operator and its effect on the numerical solution of BIE's
Kristof Cools
F.P. Andriulli
Femke Olyslager
E. Michielssen
P1
Conference
2008
Recent advances in fast multipole methods to simulate ever larger and more complex structures
Femke Olyslager
Kristof Cools
Ignace Bogaert
Jan Fostier
Joris Peeters
FP Andriulli
E Michielssen
P1
Conference
2008
Spectral Properties of Boundary Integral Equations: Analysis and Regularization
Kristof Cools
Femke Olyslager
Dissertation
2008
The dottrick TDEFIE: A DC stable integral equation for analyzing transient scattering from PEC bodies
F.P. Andriulli
Kristof Cools
Femke Olyslager
E. Michielssen
P1
Conference
2008
The fast multipole method in electromagnetics applied to the simulation of metamaterials
Femke Olyslager
Lieven Meert
Kristof Cools
A1
Journal Article
in
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
2008
2007
A multiplicative Calderón preconditioner for the electric field integral equation
F ANDRIULLI
Kristof Cools
Femke Olyslager
E MICHIELSSEN
C3
Conference
2007
Calderon preconditioned time-domain integral equation solvers
Kristof Cools
Francesco P. Andriulli
Femke Olyslager
Eric Michielssen
P1
Conference
2007
Caldéron stabilized time domain integral equation solvers
F ANDRIULLI
Kristof Cools
Femke Olyslager
E MICHIELSSEN
C1
Conference
2007
On Calderón techniques in time domain integral equation solvers (invited paper)
Kristof Cools
F ANDRIULLI
Femke Olyslager
E MICHIELSSEN
C1
Conference
2007
2006
Time-domain Caldéron identities and preconditioning of the time-domain EFIE
Kristof Cools
F ANDRIULLI
E MICHIELSSEN
C1
Conference
2006
2005
Exact simulation of a piece of metamaterial using MLFMA
Lieven Meert
Kristof Cools
Femke Olyslager
C1
Conference
2005
2004
Application of complex coordinates to the MLFMA
Femke Olyslager
Jürgen De Zaeytijd
Kristof Cools
Ignace Bogaert
Lieven Meert
Dries Vande Ginste
Davy Pissoort
C1
Conference
2004
Simulation of meta-materials
Lieven Meert
Kristof Cools
C1
Conference
2004
Simulation of metamaterials
Kristof Cools
Lieven Meerts
Dries Vande Ginste
Davy Pissoort
Femke Olyslager
E MICHIELSSEN
C1
Conference
2004