Innocent Niyonzima

@univ-grenoble-alpes.fr

Associate Professor at the Department of Physics, Engineering, Earth & Environmental Sciences and Mechanics
Université Grenoble Alpes

RESEARCH INTERESTS

Numerical modeling, finite element, multiscale modeling, multiphysics modeling

267

Scholar Citations

8

Scholar h-index

7

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • Multiharmonic multiscale modelling in 3-D nonlinear magnetoquasistatics: Composite material made of insulated particles
    J Ruuskanen, A Marteau, I Niyonzima, A Halbach, J Vesa, G Meunier, ...
    Computer Methods in Applied Mechanics and Engineering 425, 116945 2024

  • FEM-BEM modeling of nonlinear magnetoelectric effects in heterogeneous composite structures
    A Urdaneta-Calzadilla, N Galopin, I Niyonzima, O Chadebec, G Meunier, ...
    IEEE Transactions on Magnetics 2023

  • A Level-Set Based Topology Optimization for Maximizing the Torque of Synchronous Reluctance Machines
    O Brun, O Chadebec, P Ferrouillat, I Niyonzima, Z Luo, Y Le Floch, J Siau, ...
    IEEE Transactions on Magnetics 2023

  • Magneto-Mechanical Free Shape Optimization of Synchronous Reluctance Machines
    O Brun, O Chadebec, P Ferrouillat, I Niyonzima, J Siau, L Gerbaud, F Vi, ...
    17th International Workshop on Optimization and Inverse Problems in 2023

  • Multiscale Modelling of a Transient 3D Nonlinear Magnetoquasistatic Problem with a B-conforming Formulation
    A Marteau, I Niyonzima, G Meunier, J Ruuskanen, O Chadebec, ...
    The 13th International Symposium on Electric and Magnetic Fields (EMF 2023) 2023

  • Multiscale Modelling of Nonlinear Eddy Current Problems Using the h-conforming Formulation
    I Niyonzima, A Marteau, G Meunier, RV Sabariego, O Chadebec, ...
    13th International Symposium on Electric and Magnetic Fields (EMF 2023) 2023

  • Multiharmonic Multiscale Modeling in 3-D Nonlinear Magnetoquasistatics
    J Ruuskanen, A Marteau, I Niyonzima, T Tarhasaari, A Halbach, ...
    The 13th International Symposium on Electric and Magnetic Fields (EMF 2023) 2023

  • Magnetic Field Upscaling and B-Conforming Magnetoquasistatic Multiscale Formulation
    I Niyonzima, A Marteau, G Meunier, N Galopin, O Chadebec
    The 10th edition of the International Conference on Computational Methods 2023

  • A FEM-BEM coupling strategy for the modeling of magnetoelectric effects in composite structures
    A Urdaneta-Calzadilla, N Galopin, I Niyonzima, O Chadebec, ...
    Engineering Analysis with Boundary Elements 151, 41-55 2023

  • A Level-Set Based Topology Optimization for Maximizing the Torque of Switch Reluctance Machines
    O Brun, O Chadebec, P Ferrouillat, I Niyonzima, Z Luo, Y Le Floch, J Siau, ...
    24th International Conference on the Computation of Electromagnetic Fields 2023

  • Sensitivity Analysis using the Virtual Work Principle For 2D Magnetostatic Problems
    O Brun, O Chadebec, P Ferrouillat, I Niyonzima, J Siau, G Meunier, ...
    IEEE Transactions on Magnetics 2023

  • Magnetic Field Upscaling and B-Conforming Magnetoquasistatic Multiscale Formulation
    A Marteau, I Niyonzima, G Meunier, J Ruuskanen, N Galopin, P Rasilo, ...
    IEEE Transactions on Magnetics 2023

  • Modeling of Magnetoelectric Effects in Composite structures by FEM-BEM coupling
    A Urdaneta-Calzadilla, O Chadebec, N Galopin, I Niyonzima, G Meunier, ...
    IEEE Transactions on Magnetics 2023

  • Multiscale Modelling of Materials With Strong Dynamic Hysteresis
    J Ruuskanen, I Niyonzima, A Marteau, T Tarhasaari, P Rasilo
    2022 IEEE 20th Biennial Conference on Electromagnetic Field Computation 2022

  • Magnetic Field Upscaling and B-Conforming Magnetodynamic Multiscale Formulation
    A Marteau, I Niyonzima, G Meunier, J Ruuskanen, O Chadebec, ...
    2022 IEEE 20th Biennial Conference on Electromagnetic Field Computation 2022

  • Un couplage FEM-BEM pour la modlisation de composites magntolectriques
    A Urdaneta-Calzadilla, N Galopin, O Chadebec, I Niyonzima
    15me colloque national en calcul des structures 2022

  • Modelling of Positive Streamers in SF6 Gas under Non-Uniform Electric Field Conditions: Effect of Electronegativity on Streamer Discharges
    F Boakye-Mensah, N Bonifaci, R Hanna, I Niyonzima, I Timoshkin
    J 5 (2), 255-276 2022

  • Magnetoquasistatic Multiscale Modelling of SMC Materials Using EH-Conforming Formulation and Multiharmonic Method
    J Ruuskanen, I Niyonzima, A Halbach, A Marteau, T Tarhasaari, J Vesa, ...
    25th Soft Magnetic Materials Conference (SMM'2022) 2022

  • Numerical simulation of cathode directed streamer discharges in Air and CO2.
    F Boakye-Mensah, H Francisco, U Ebert, N Bonifaci, R Hanna, ...
    74th Annual Gaseous Electronics Conference 2021

  • 2D simulation of the positive streamer in SF6: effect of high attachment rate in atmospheric and sub atmospheric pressures.
    F Boakye-Mensah, N Bonifaci, R Hanna, I Niyonzima, I Timoshkin
    74th Annual Gaseous Electronics Conference 2021

MOST CITED SCHOLAR PUBLICATIONS

  • Parallel-in-time simulation of eddy current problems using parareal
    S Schps, I Niyonzima, M Clemens
    IEEE Transactions on Magnetics 54 (3), 1-4 2017
    Citations: 48

  • Computational homogenization for laminated ferromagnetic cores in magnetodynamics
    I Niyonzima, RV Sabariego, P Dular, F Henrotte, C Geuzaine
    IEEE Transactions on Magnetics 49 (5), 2049-2052 2013
    Citations: 41

  • A new parareal algorithm for problems with discontinuous sources
    MJ Gander, I Kulchytska-Ruchka, I Niyonzima, S Schöps
    SIAM Journal on Scientific Computing 41 (2), B375-B395 2019
    Citations: 33

  • Finite element computational homogenization of nonlinear multiscale materials in magnetostatics
    I Niyonzima, RV Sabariego, P Dular, C Geuzaine
    IEEE Transactions on Magnetics 48 (2), 587-590 2012
    Citations: 31

  • Nonlinear computational homogenization method for the evaluation of eddy currents in soft magnetic composites
    I Niyonzima, RV Sabariego, P Dular, C Geuzaine
    IEEE Transactions on Magnetics 50 (2), 61-64 2014
    Citations: 23

  • Modeling and simulation of nonlinear electro-thermo-mechanical continua with application to shape memory polymeric medical devices
    I Niyonzima, Y Jiao, J Fish
    Computer Methods in Applied Mechanics and Engineering 350, 511-534 2019
    Citations: 21

  • A xylophone bar magnetometer for micro/pico satellites
    H Lamy, I Niyonzima, P Rochus, V Rochus
    Acta Astronautica 67 (7-8), 793-809 2010
    Citations: 13

  • Implementation of a cathode directed streamer model in Air under different voltage stresses
    F Boakye-Mensah, N Bonifaci, R Hanna, I Niyonzima
    arXiv preprint arXiv:2010.07570 2020
    Citations: 8

  • Waveform relaxation for the computational homogenization of multiscale magnetoquasistatic problems
    I Niyonzima, C Geuzaine, S Schps
    Journal of computational physics 327, 416-433 2016
    Citations: r the computational homogenization of multiscale magnetoquasistatic problems

  • Waveform Relaxation for the Computational Homogenization of Multiscale Magnetoquasistatic Problems
    I Niyonzima, C Geuzaine, S Schps
    arXiv preprint arXiv:1607.05429 2016
    Citations: r the Computational Homogenization of Multiscale Magnetoquasistatic Problems

  • Waveform Relaxation for the Computational Homogenization of Multiscale Magnetoquasistatic Problems
    I Niyonzima, C Geuzaine, S Schps
    Compumag2015 2015
    Citations: 7

  • Multiscale finite element modeling of nonlinear magnetoquasistatic problems using magnetic induction conforming formulations
    I Niyonzima, RV Sabariego, P Dular, K Jacques, C Geuzaine
    Multiscale Modeling & Simulation 16 (1), 300-326 2018
    Citations: 6

  • ParaExp Using Leapfrog as Integrator for High‐Frequency Electromagnetic Simulations
    M Merkel, I Niyonzima, S Schps
    Radio Science 52 (12), 1558-1569 2017
    Citations: 6

  • Sensitivity Analysis using the Virtual Work Principle For 2D Magnetostatic Problems
    O Brun, O Chadebec, P Ferrouillat, I Niyonzima, J Siau, G Meunier, ...
    IEEE Transactions on Magnetics 2023
    Citations: 5

  • Modelling of Positive Streamers in SF6 Gas under Non-Uniform Electric Field Conditions: Effect of Electronegativity on Streamer Discharges
    F Boakye-Mensah, N Bonifaci, R Hanna, I Niyonzima, I Timoshkin
    J 5 (2), 255-276 2022
    Citations: 4

  • Multiscale Finite Element Modeling of Nonlinear Quasistatic Electromagnetic Problems
    I Niyonzima
    University of Lige 2014
    Citations: 4

  • A FEM-BEM coupling strategy for the modeling of magnetoelectric effects in composite structures
    A Urdaneta-Calzadilla, N Galopin, I Niyonzima, O Chadebec, ...
    Engineering Analysis with Boundary Elements 151, 41-55 2023
    Citations: 2

  • A Level-Set Based Topology Optimization for Maximizing the Torque of Switch Reluctance Machines
    O Brun, O Chadebec, P Ferrouillat, I Niyonzima, Z Luo, Y Le Floch, J Siau, ...
    24th International Conference on the Computation of Electromagnetic Fields 2023
    Citations: 2

  • An application of ParaExp to electromagnetic wave problems
    M Merkel, I Niyonzima, S Schps
    2016 URSI International Symposium on Electromagnetic Theory (EMTS), 121-124 2016
    Citations: 2

  • Multiscale quasistatic homogenization for laminated ferromagnetic cores
    I Niyonzima, R Sabariego, P Dular, F Henrotte, C Geuzaine
    Confrence Europenne sur les Mthodes Numriques en Electromagntisme 2012
    Citations: 2