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机译:一种基于特征多项式近似的固有频率元建模技术
Department of Aerospace Engineering, University of Illinois at Urbana-Champaign, 104 S. Wright Street, Urbana, IL 61801, USA;
Department of Robotics and Mechatronics, ACH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland;
structural dynamics; meta-modeling; uncertainty analysis; mode veering; characteristic polynomial;