Reallocation of system mass and stiffness for achieving target specifications using a superelement/substructuring methodology Online publication date: Tue, 02-Aug-2005
by Peter Avitabile, Hiromichi Tsuji, John O'Callahan, James P. DeClerck
International Journal of Vehicle Noise and Vibration (IJVNV), Vol. 1, No. 3/4, 2005
Abstract: Optimisation of models using desired targets is typically performed at the system level and result from the individual component dynamic characteristics. Optimisation can be performed when the component and system topology is defined. Previous work utilised Analytical Model Improvement techniques along with Localisation of Model Change procedures to determine the component target characteristics. However, the use of superelements or reduced component representations presents complications since no topology exists for these representations. The efforts in this work are directed towards the implementation of the technique using superelements as the component description. The topology of the superelement is mapped with an arbitrary array of simplistic elements to determine the distribution of mass and stiffness necessary to achieve the performance goals specified without allowing smearing to adjacent component interconnection regions.
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