Search Results - "Jézéquel, L."

Analysis of squeal noise and mode coupling instabilities including damping and gyroscopic effects by Hervé, B., Sinou, J.-J., Mahé, H., Jézéquel, L.

“…This paper deals with an audible disturbance known as automotive clutch squeal noise from the viewpoint of friction-induced mode coupling instability. Firstly,…”
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A reduced model using random forest: application on car crash optimization by Assou, S., Tourbier, Y., Gstalter, E., Charrier, M., Dessombz, O., Jézéquel, L.

“…The development of the metal structure of a car is carried out throughout the vehicle project using numerical simulation. The simulation of the crash, which is…”
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Extension of the destabilization paradox to limit cycle amplitudes for a nonlinear self-excited system subject to gyroscopic and circulatory actions by Hervé, B., Sinou, J.-J., Mahé, H., Jézéquel, L.

“…This study aims at clarifying the phenomenological roots of an acoustical disturbance known as “clutch squeal noise”. A nonlinear two-degrees-of-freedom model…”
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Dynamic characteristics of the blisk with synchronized switch damping based on negative capacitor by Liu, J., Li, L., Huang, X., Jezequel, L.

“…In this paper, we propose a method to suppress the vibration of the integral bladed disk (‘blisk’ for short) in aero-engines using synchronized switch damping…”
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ANALYSIS OF MECHANICAL SYSTEMS USING INTERVAL COMPUTATIONS APPLIED TO FINITE ELEMENT METHODS by DESSOMBZ, O., THOUVEREZ, F., LAÎNÉ, J.-P., JÉZÉQUEL, L.

“…This paper addresses the problem of mechanical systems in which parameters are uncertain and bounded. Interval calculation is used to find an envelope of…”
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Flexible wiper system dynamic instabilities : Modelling and experimental validation by CHEVENNEMENT-ROUX, C, DREHER, T, ALLIOT, P, AUBRY, E, LAINE, J.-P, JEZEQUEL, L

“…The optimization of wiper systems under various conditions and the creation of a product which is as robust as possible are the main objectives for an…”
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Optimization of characteristics of porous materials based on a modal synthesis method by Besset, S., Jézéquel, L.

“…Complex structures used in the automotive industry often include porous materials, in order to reduce the noise in acoustic cavities. The method proposed in…”
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The destabilization paradox applied to friction-induced vibrations in an aircraft braking system by Chevillot, F., Sinou, J. -J., Mazet, G. -B., Hardouin, N., Jézéquel, L.

“…Mechanisms of friction are known as an important source of vibrations in a large variety of engineering systems, where the emergence of oscillations is noisy…”
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Methods to reduce non-linear mechanical systems for instability computation by Sinou, J J, Thouverez, F, Jézéquel, L

“…Non-linear dynamical structures depending on control parameters are encountered in many areas of science and engineering. In the study of non-linear dynamical…”
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Wave motion in thin-walled structures by Houillon, L., Ichchou, M.N., Jezequel, L.

“…The characterization of propagation constants of realistic thin-walled structures with any cross-section is studied in this paper. A propagative approach is…”
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A dynamic Lagrangian frequency–time method for the vibration of dry-friction-damped systems by Nacivet, S, Pierre, C, Thouverez, F, Jezequel, L

“…A new frequency–time domain procedure, the dynamic Lagrangian mixed frequency–time method (DLFT), is proposed to calculate the non-linear steady state response…”
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Robust design of a passive linear quarter car suspension system using a multi-objective evolutionary algorithm and analytical robustness indexes by Loyer, B., Jézéquel, L.

“…This paper deals with the robust design of a passive vehicle suspension system. A robust design methodology based on a multi-objective evolutionary algorithm…”
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Modal criteria for optimization of structures through active structural acoustic control by Besset, S., Jézéquel, L.

“…This paper deals with modal criteria allowing optimization of structures through active structural acoustic control (ASAC) based on the independent modal…”
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A hybrid local energy formulation for plates mid-frequency flexural vibrations by Hardy, P., Ichchou, M., Jézéquel, L., Trentin, D.

“…Many models based on heat transfer equations have been developed in order to predict the vibroacoustic behavior of structures at medium and high frequencies…”
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The influence of damping on the limit cycles for a self-exciting mechanism by Sinou, J.-J., Jézéquel, L.

“…The objective of the present work is to investigate qualitative aspects of mode-coupling instability of self-excited friction-induced oscillations in the…”
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A robust approach for seismic damage assessment by Lignon, S., Jézéquel, L.

“…We present a robust approach based on a convex analysis to take into account uncertainties appearing in evaluations of damage to structures during an…”
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AN ASSEMBLED PLATE ACTIVE CONTROL DAMPING SET-UP: OPTIMIZATION AND CONTROL by JEMAI, B., ICHCHOU, M.N., JÉZÉQUEL, L., NOE, M.

“…This paper is concerned with active structural control by using the independent modal strategy control (IMSC). Distributed sensors and actuators are of PZT…”
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Friction-induced vibration for an aircraft brake system—Part 1: Experimental approach and stability analysis by Sinou, J.-J., Dereure, O., Mazet, G.-B., Thouverez, F., Jezequel, L.

“…Friction-induced vibrations are a major concern in a wide variety of mechanical systems. This is especially the case in aircraft braking systems where the…”
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Optimization of structural dynamic behaviour based on effective modal parameters by Besset, S., Jézéquel, L.

“…Optimization of complex structures often leads to high calculation costs. Indeed, the structure has to be frequently reanalysed in order to update the…”
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Modal criteria for optimizing the acoustic behaviour of a coupled fluid-structure system based on a systemic approach by Besset, S., Jézéquel, L.

“…This paper proposes modal criteria to represent various noise sources within a complex structure, such as an automobile. By optimizing a complex system using…”
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