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CNRS 
PhD Robust Optimization Viscoelastic Sandwiches
Université de Lorraine, Metz
LeM3
Mechanical Engineering Materials Science 
Full Description:

Visco-elastic structures are widely employed for vibration damping. Nowadays, optimal design of these structures has become commonplace. However, operating conditions introduce variability in their performances. Taking into account this variability in the optimization loop is necessary to obtain optimal robust solutions. Recently, within an exploratory project, supported by CNRS, the modal stability method (MSP) has been applied with success to quantify variability of damping and natural frequency of frequency dependent viscoelastic sandwich structures. The objective of this PhD thesis is double. In a first step, MSP shall be extended to more complex structures (orthotropic and composite). In a second step, optimal design under uncertainty of the damping performances of these structures shall be realized. The industrial application should concern a windshield. The obtained results shall allow to perform optimal robust design of frequency dependent strucures viscoelastic. The PhD will be held in LeM3 in Metz in the Computational Mechanics team. If you are interested you should send CV + Marks to el-mostafa.daya@univ-lorraine.fr and mohamed.hamdaoui@univ-lorraine.fr



Posted on: 14 March 2015Deadline to apply: 30 March 2015Start Date: 01 October 2015 Duration: 36 months
The Fund category is Public Funding - University and the salary is 20-25k€ annual gross
Doctoral School is Matter, radiation and environmental sciences in the Lorraine Region.

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