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Finite Element Simulation of Smart Structures for Active Vibration andAcoustic Control
Author(s) -
Lefèvre Jean,
Gabbert Ulrich
Publication year - 2003
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.200310420
Subject(s) - finite element method , actuator , modal , vibration , smart material , computer science , controller (irrigation) , process (computing) , modal analysis , vibration control , software , noise (video) , engineering design process , mechanical engineering , engineering , control engineering , structural engineering , acoustics , materials science , physics , agronomy , image (mathematics) , artificial intelligence , polymer chemistry , biology , programming language , nanotechnology , operating system
Abstract The design process of engineering smart structures using piezoelectric patches as distributed sensors and actuators requires a virtual overall model, which includes the main functional parts. In the paper a suitable software tool based on the FEM is presented to simulate coupled electro‐mechanical‐acoustical problems regarding interior noise problems. The modal truncation technique is used to design a LQ‐controller as well as to study the time‐depending behaviour of a clamed smart plate.