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Portal > Offres > Offre UMR5269-NADMIC-005 - Post doc - Développeur(se) de nouvelles formulation performantes pour modéliser les effets capacitifs dans la méthode PEEC générélisée H/F

Developer of new high-performance formulations to model capacitive effects in the generalized PEEC m

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Français - Anglais

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General information

Reference : UMR5269-NADMIC-005
Workplace : GRENOBLE
Date of publication : Thursday, October 31, 2019
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 1 January 2020
Proportion of work : Full time
Remuneration : entre 2695 et 3017.31 euros brut
Desired level of education : PhD
Experience required : Indifferent

Missions

Development of new high-performance formulations to model capacitive effects in the generalized PEEC method.

Activities

The frequency increase of power electrical devices no longer makes it possible to neglect the capacitive effects. The PEEC (Partial Equivalent Element Circuit) method, based on a structured cell discretization (quadrilateral or hexahedral), mixes resistive, inductive and capacitive effects. This approach is very powerful because it allows the problem to be viewed like an equivalent circuit and to be coupled naturally with external circuits. It has recently been extended to unstructured meshes taking into account capacitive effects with dielectric materials. It is thus possible to calculate the resistive, inductive and capacitive effects in the same problem and on any type of mesh.
Nevertheless, the need to deal with problems of industrial complexity leads to deal with problems with large numbers of degrees of freedom. This requires the use of iterative linear solvers coupled with matrix compression techniques. The diversity of matrix blocks generated by the different effects makes it difficult or even impossible for the solver to converge.
The proposed solution in this post-doctoral work will be to solve the inductive and capacitive effects independently to take advantage of their respective good convergences and to solve the complete problem either by the circuit solvers or by iterating between the two formulations.

Skills

The candidate must have an Electrical Engineering background. He(she)must have completed his doctorate in the field of computational electromagnetics and must be proficient in the JAVA programming language. He(she) must be methodical, rigorous and autonomous. Human qualities are also required for successful integration into the project team and interactions with laboratory members.

Work Context

The G2Elab (Grenoble Electrical Engineering Laboratory) covers a wide range of research: from materials for electrical engineering, to component design as well as the study and the control of complex systems such as electrical networks. With more than 100 permanent staff, 110 doctoral students and 50 masters, it is an important player in the field of Electrical Engineering Research, both in France and internationally.
The study will be carried out within the MAGE team (Models, Methods and Methodologies Applied to Electrical Engineering) whose activities focus in part on computational electromagnetics applied to power electrical engineering The team is composed of about 40 people, including 13 permanent staff and 20 to 25 PhD. The group has developed the FLUX software in collaboration with ALTAIR Company.

Constraints and risks

Sans objet

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