S. Clénet
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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: Multi-scale magnetic aging model: Precipitation kinetics and magnetic hysteresis coupling
Multi-scale magnetic aging model: Precipitation kinetics and magnetic hysteresis coupling Open
International audience
View article: Error Estimation of the Cauer Ladder Network Method for the Time-Domain Analysis and Its Application to a Multiport System
Error Estimation of the Cauer Ladder Network Method for the Time-Domain Analysis and Its Application to a Multiport System Open
International audience
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: Solving Magnetodynamic Problems via Normal Form Method
Solving Magnetodynamic Problems via Normal Form Method Open
Closed-form formulations are difficult to find when the material behavior law is nonlinear. A linear approximation, on the other
\nhand, has a very narrow range of validity. In this communication, the Normal Form (NF) method is employed to…
View article: Investigations on the performances of the electrical generator of a rim-driven marine current turbine”
Investigations on the performances of the electrical generator of a rim-driven marine current turbine” Open
In this paper, the electrical generator of a rim-driven horizontal-axis current turbine is modeled in detail. Its main characteristics and performances are evaluated (efficiency, mass, cost, etc). This generator is of permanent magnet dire…
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: PCA Model of Fundamental Acoustic Finger Force for Out-of-Plane Ultrasonic Vibration and its Correlation with Friction Reduction
PCA Model of Fundamental Acoustic Finger Force for Out-of-Plane Ultrasonic Vibration and its Correlation with Friction Reduction Open
When a finger touches an ultrasonic vibrating plate, a non sinusoidal contact force is produced. This force is denominated acoustical finger force. In this paper, a method is proposed, in order to observe its fundamental component in the c…
View article: Improving Global Ferromagnetic Characteristics of Laminations by Heterogeneous Deformation
Improving Global Ferromagnetic Characteristics of Laminations by Heterogeneous Deformation Open
In this paper, an experimental procedure is presented in order to handle magnetic measurements under uniaxial tensile stress reaching the plastic domain. The main advantage of the proposed procedure is that it does not require an additiona…
View article: A Novel and General Approach for Solving the Ion-Flow Field Problem by a Regularization Technique
A Novel and General Approach for Solving the Ion-Flow Field Problem by a Regularization Technique Open
In order to have a better convergence and accuracy for solving the ion-flow field problem, a novel and general numerical approach is proposed. In the past, the framework of the traditional mesh based method has a dilemma that the Kapzov bo…
View article: A coupled electromagnetic / hydrodynamic model for the design of an integrated rim - driven naval propulsion system
A coupled electromagnetic / hydrodynamic model for the design of an integrated rim - driven naval propulsion system Open
This paper presents an analytical multi-physic modeling tool for the design optimization of a new kind of naval propulsion system. This innovative technology consists in an electrical permanent magnet motor that is integrated into a duct a…
View article: Branch and Bound Algorithm Based on Prediction Error of Metamodel for Computational Electromagnetics
Branch and Bound Algorithm Based on Prediction Error of Metamodel for Computational Electromagnetics Open
Metamodels proved to be a very efficient strategy for optimizing expensive black-box models, e.g., Finite Element simulation for electromagnetic devices. It enables the reduction of the computational burden for optimization purposes. Howev…
View article: Experimental set up for magnetomechanical measurements with a closed flux path sample
Experimental set up for magnetomechanical measurements with a closed flux path sample Open
In this article, an experimental procedure is presented to handle magnetic measurements under uniaxial tensile stress reaching the plastic domain. The main advantage of the proposed procedure is that it does not require an additional magne…
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: Comparison of Approaches for Optimization of Electromagnetic Devices using Finite Element Method
Comparison of Approaches for Optimization of Electromagnetic Devices using Finite Element Method Open
In the context of optimization using finite element method (FEM), many issues arise, mainly numerical noise due to re-meshing when dealing with geometric parameters furthermore the computational time of the overall optimization can be proh…
View article: Development and validation of an electrical and magnetic characterization device for massive parallelepiped specimens
Development and validation of an electrical and magnetic characterization device for massive parallelepiped specimens Open
Claw pole (CP) machine performances are strongly related to the electromagnetic properties of ferromagnetic materials. These properties are impacted by the manufacturing processes, in a heterogeneous way, as well as by the thermal behavior…
View article: Punching effect directly on electrical machine stator strips
Punching effect directly on electrical machine stator strips Open
This work enlightens the impact of punching on a specific stator performances. Two specimens type are withdrawn from a M330A35 punched lamination sheet. One type represents a closed magnetic circuit while the other represents two parts. Ma…