Thomas Henneron
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View article: Comparison of parametric model order reduction methods to solve magneto-quasistatic and electro-quasistatic problems
Comparison of parametric model order reduction methods to solve magneto-quasistatic and electro-quasistatic problems Open
International audience
View article: Surrogate Modeling for Drive Co‐Simulation Including Local Irreversible Demagnetization Knowledge
Surrogate Modeling for Drive Co‐Simulation Including Local Irreversible Demagnetization Knowledge Open
In order to survey possible local demagnetization of permanent magnet drives during transient operations and/or faulty functioning in case of multi‐phase drives, co‐simulation including converter, vector control, and finite element model c…
View article: Comparison of Hyper-Reduction Methods Combined With POD: Model Order Reduction of a Squirrel Cage Induction Machine in Nonlinear Case
Comparison of Hyper-Reduction Methods Combined With POD: Model Order Reduction of a Squirrel Cage Induction Machine in Nonlinear Case Open
In an industrial context of electrical device design or expertise, it is common for engineer to use models based on the Finite Element (FE) method. In the case of nonlinear magneto-quasistatic problems, it can lead to prohibitive computati…
View article: Error Estimator for Cauer Ladder Network Representation
Error Estimator for Cauer Ladder Network Representation Open
The Cauer Ladder Network (CLN) method enables to construct a reduced based circuit model of analytical or numerical models, e.g. Finite Element (FE) model, under quasistatic approximation. This paper proposes an estimator which provides gu…
View article: Stabilized Gauged Formulation of Darwin Model for FEM Computation of Industrial Applications
Stabilized Gauged Formulation of Darwin Model for FEM Computation of Industrial Applications Open
International audience
View article: Numerical Simulation-Based Investigation of the Limits of Different Quasistatic Models
Numerical Simulation-Based Investigation of the Limits of Different Quasistatic Models Open
The modeling of the capacitive phenomena, including the inductive effects becomes critical, especially in the case of a power converter with high switching frequencies, supplying an electrical device. At a low frequency, the electro-quasis…
View article: Nonlinear Data-Driven Model Order Reduction Applied to Circuit-Field Magnetic Problem
Nonlinear Data-Driven Model Order Reduction Applied to Circuit-Field Magnetic Problem Open
International audience
View article: Parametric Geometric Metamodel of Nonlinear Magnetostatic Problem Based on POD and RBF Approaches
Parametric Geometric Metamodel of Nonlinear Magnetostatic Problem Based on POD and RBF Approaches Open
International audience
View article: Sensor Placement for Field Reconstruction in Rotating Electrical Machines
Sensor Placement for Field Reconstruction in Rotating Electrical Machines Open
A method is proposed to place sensors in an electrical machine in order to be able to reconstruct the magnetic field distribution. This method is based on the Empirical Interpolation Method combined with the Maxvol technique. The results a…
View article: Model Order Reduction Applied to a Linear Finite Element Model of a Squirrel Cage Induction Machine Based on POD Approach
Model Order Reduction Applied to a Linear Finite Element Model of a Squirrel Cage Induction Machine Based on POD Approach Open
The Proper Orthogonal Decomposition (POD) approach is applied to a linear Finite Element (FE) model of a squirrel cage induction machine. In order to obtain a reduced model valid on the whole operating range, snapshots are extracted from t…
View article: Finite Element Analysis of the Magneto-Mechanical Coupling Due to Punching Process in Electrical Steel Sheet
Finite Element Analysis of the Magneto-Mechanical Coupling Due to Punching Process in Electrical Steel Sheet Open
In this article, a finite element (FE) modeling of the punching effect on the magnetic properties of electrical steel sheet is carried out. For that, the modified anhysteretic Sablik model is applied together with the plastic strain distri…
View article: Analytical study of air-gap surface force – application to electrical machines
Analytical study of air-gap surface force – application to electrical machines Open
The Maxwell stress tensor (MST) method is commonly used to accurately compute the global efforts, such as electromagnetic torque ripple and unbalanced electromagnetic forces in electrical machines. The MST has been extended to the estimati…
View article: Effect of Mesh-to-Mesh Projection on the Magnetic Tooth Forces Calculation in Electrical Machines
Effect of Mesh-to-Mesh Projection on the Magnetic Tooth Forces Calculation in Electrical Machines Open
International audience
View article: 3-D Numerical Modeling of Claw-Pole Alternators With its Electrical Environment
3-D Numerical Modeling of Claw-Pole Alternators With its Electrical Environment Open
International audience
View article: Error Estimators for Proper Generalized Decomposition in Time-Dependent Electromagnetic Field Problems
Error Estimators for Proper Generalized Decomposition in Time-Dependent Electromagnetic Field Problems Open
Due to fine discretization in space and time, the simulation of transient electromagnetic phenomena results in a large system of equations. To cope with this computational effort, model order reduction techniques can be employed. To assess…
View article: Surrogate Model Based on the POD Combined With the RBF Interpolation of Nonlinear Magnetostatic FE Model
Surrogate Model Based on the POD Combined With the RBF Interpolation of Nonlinear Magnetostatic FE Model Open
The Proper Orthogonal Decomposition (POD) is an interesting approach to compress into a reduced basis numerous solutions obtained from a parametrized Finite Element (FE) model. In order to obtain a fast approximation of a FE solution, the …
View article: Mesh Deformation Based on Radial Basis Function Interpolation Applied to Low-Frequency Electromagnetic Problem
Mesh Deformation Based on Radial Basis Function Interpolation Applied to Low-Frequency Electromagnetic Problem Open
In order to take into account a modification of the geometry during an optimization process or due to a physical phenomenon, a deformation of the elements of the spatial discretization is preferable to conserve a conformal mesh and to appl…
View article: Exploitation of independent stator and rotor geometrical periodicities in electrical machines using the Schur complement
Exploitation of independent stator and rotor geometrical periodicities in electrical machines using the Schur complement Open
In this paper we present a-priori model reduction technique that enables to take full advantage of the periodicity existing in the stator and rotor geometrical structures of electrical machines in order to reduce the computational time. Fi…
View article: Application Limits of the Airgap Maxwell Tensor
Application Limits of the Airgap Maxwell Tensor Open
Airgap Maxwell tensor is widely used in numerical simulations to accurately compute global magnetic forces and torque but also to estimate magnetic surface force waves, for instance when evaluating magnetic stress harmonics responsible for…
View article: Stabilized Reduced-Order Model of a Non-Linear Eddy Current Problem by a Gappy-POD Approach
Stabilized Reduced-Order Model of a Non-Linear Eddy Current Problem by a Gappy-POD Approach Open
In this paper, a stabilized reduced-order model based on the gappy proper orthogonal decomposition (POD) technique is applied to an eddy-current problem with the non-linear material property. A classical magnetodynamic finite element formu…
View article: Gappy-POD versus DEIM reduced-order model of a non-linear magnetodynamic problem
Gappy-POD versus DEIM reduced-order model of a non-linear magnetodynamic problem Open
status: Published
View article: Finite-Element Model Reduction of Surface-Mounted Permanent Magnet Machines by Exploitation of Geometrical Periodicity
Finite-Element Model Reduction of Surface-Mounted Permanent Magnet Machines by Exploitation of Geometrical Periodicity Open
This paper presents a methodology that allows taking advantage of the geometrical periodicity of electrical machines together with the modeling of rotor motion. It enables by means of the discrete Fourier transform (DFT) to reduce the larg…
View article: Harmonic-balance finite-element homogenisation of laminated iron cores with net circulating currents
Harmonic-balance finite-element homogenisation of laminated iron cores with net circulating currents Open
info:eu-repo/semantics/published
View article: Matrix Interpolation-Based Reduced-Order Modeling of a Levitation Device With Eddy Current Effects
Matrix Interpolation-Based Reduced-Order Modeling of a Levitation Device With Eddy Current Effects Open
EU In this paper, reduced order modeling (ROM) based on the proper orthogonal decomposition (POD) are applied to an eddy-current problem with movement. A classical magnetodynamic finite-element formulation based on the magnetic vector pote…