3A25 Vibro-acoustic behaviour of a non-uniform beam traversed by a moving point load(The 12th International Conference on Motion and Vibration Control)
Abstract:Mbro-acoustic behaviour of a non-uniform beam of $inusoidally varying height, traversed by a single point load, is investigated in this paper. A method to reduce the vibration responses and sound power radiation by a uniform beam by modifying it into a non-uniform one having the fimdarnenta1 mode shape of a uniform beam, without adding ar removing any mass, is presented for the fust time. The significance of this type of non-uniform beam is that, it has the same shape as the first mode of a simply supported un… Show more
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