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Title Structural dynamics modification for the case of having non-matching nodes between base and modification structures
Author Jung, Eui-Il
Type KAIST Ph.D. Dissertation
Year of Pub. 2005
Structural Dynamics Modification (SDM) is widely used to change natural frequencies and/or mode shapes by adding and deleting auxiliary members for improving the dynamic response of a target structure. Most of the existing SDM approaches deal with the material property or the size of structures for a given structural layout having matched nodes. In this work, an attempt is made to place the modification structural elements on the baseline structure by determining their translational positions and the rotational orientations, thus effectively realizing the redesign of the layout of modifying structures in spite of non-mating nodes between substructures for improving the natural frequencies of the resulting structure.