17Th International Congress on Sound and Vibration (Icsv), Date: JUL 18-22, 2010, Location: Cairo, EGYPT, Sponsors: Int Inst Acoust & Vibrat, Acoust Soc Egypt, Ain Shams Univ, Nile Univ, Int Union Theoret & Appl Mech, Amer Soc MechEngineers Int, Inst Mech Engineers