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Portal > Offres > Offre UMR6613-SANCHA-002 - Post-Doctorant en Acoustique / électro-acoustique (H/F)

Post-Doctorant in Acoustics / electro-acoustics (H/F)

This offer is available in the following languages:
Français - Anglais

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General information

Reference : UMR6613-SANCHA-002
Workplace : LE MANS
Date of publication : Monday, December 02, 2019
Type of Contract : FTC Scientist
Contract Period : 18 months
Expected date of employment : 1 January 2020
Proportion of work : Full time
Remuneration : 2 617 € à 3 729 € monthly gross according to experience
Desired level of education : 5-year university degree
Experience required : 1 to 4 years


This post doc is part of the European Project ARTEM (Project Horizon 2020) : “Aircraft noise Reduction Technologies and related Environmental iMpact ".

The goal of this post-doc is to produce and implement an acoustic liner designed to lower the noise in aeronautic applications. The liner will be flush mounted and it will have a thickness of less than 50 mm. The study proposed in this post-doc focuses on sound absorption using miniature capacitive transducers. LAUM researchers have already developed several models to describe such transducers behavior: lumped elements models, full analytical models and numerical (including FEM) models.


After a bibliography work, the post-doc will have to built-up a liner mockup made of capacitive transducers with a real acoustic impedance (Z=1). The mockup fabrication will result in several acoustic panels that will be dedicated to be flush mounted on the acoustic test-bench. Actually, several kinds of panels will have to be developed because there may be several acoustic test benches (some of them with flat wall, full scale, and some other curved – as in a plane propeller – with a 1:10th scaling factor).
The post-doc will work in close collaboration with the PhD student implied in similar work on the MACIA ANR project.


Desired education, scientific skills and experience:

The post-doc must be a PhD holder. Skills in electrostatics and acoustics modelization are required.
A solid training in acoustics and vibrations as well as training in the field of sensors and transducers is required. Knowledge of electronics and automation will be a plus. Mechanical training will also be required for the design and manufacturing follow-up of the mechanical parts and devices required for the project.
For the development of models, the mastery of localized constant models, finite element models (COMSOL,...) and python programming bases are required.

Language skills: A B2 level certification in English is required for communication with other partners in the project (European contract).

Writing skills, ability to formulate and conduct a scientific project
Ability to work in a team environment

The candidate should be able to work independently while regularly reporting on the progress of his/her work, for example through regular reports and/or presentations. Ability to write in correct French that is free of spelling and grammatical errors is expected.

Organizational capacities are also expected for the provision of reports and the planning of the various research actions, within the laboratory and with the other actors of the ARTEM project. In this respect, an ability to work in a team, both within the laboratory and within the ARTEM project, is necessary.

Expectations also concern the ability to communicate within the laboratory team (interaction with technical and administrative staff, with other doctoral students, post-doctoral fellows, researchers and teacher-researchers, but also with colleagues from other laboratories) and within the ARTEM project group.

The post-doctoral fellow will also need to have a critical mind and analytical and synthesis skills that will allow him/her to go straightforward and to quickly identify the research tracks to be pursued. He or she will be able to learn in order to develop new skills if necessary.

Applications must include a detailed CV; a one-page cover letter.

Work Context

The laboratory of the post-doctoral fellow is the Acoustics Laboratory of the University of Le Mans. The LAUM is a Joint Research Unit of the University of Le Mans and the CNRS (UMR 6613). The laboratory has a staff of about 160 people (lecturer-researchers, researchers, IATOS, ITA, doctoral students, postdoctoral fellows and guests).
The Laboratory's activities are mainly focused on the acoustics of the "audible" but in recent years the laboratory has integrated new research themes in the field of vibrations and ultrasound.
Studies focus on wave propagation in fluids (at rest or in flow) and solids (porous, granular or composite materials, vibrating structures) as well as coupling mechanisms. Their main objective is to understand the physical phenomena involved by focusing on the development of analytical models and experimental studies combined with the necessary numerical simulations.
The research is carried out within the framework of three specialized teams on complementary themes:
Vibrations, Guided Acoustics and Flow
Director: Pierrick Lotton, Deputy Director: Laurent Simon
Acoustics Laboratory of the University of Le Mans - UMR CNRS 6613
Avenue Olivier Messiaen 72085 Le Mans cedex cedex 09 France

The supervisor will be Stéphane Durand, MCF-HDR.

Constraints and risks

As part of the post doc, travel to ARTEM program meetings will be planned (in France and/or abroad) as well as travel to the test facilities sites (Lyon) and travel to conferences.

The post-doctoral fellow will have to comply with the internal regulations of the LAUM and the ENSIM. Indeed, the workstation will be located at the ENSIM engineering school within a group of doctoral and post-doctoral students working on related topics. If necessary, the post-doctoral fellow may be required to sign non-disclosure agreements.

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