1. Dynamic of Engines and Vibroacoustic Laboratory University M'Hamed Bougara of Boumerdes Boumerdes Algeria
2. Laboratory of Analysis and Control of PDEs Sidi Bel‐Abbès University Sidi Bel‐Abbès Algeria
3. Laboratory of Dynamic Systems University of Sciences and Technology Houari Boumediene, USTHB Bab Ezzouar Algeria