This paper lies within the framework of the so-called redesign problem of structures subjected to dynamic constraints. A hybrid synthesis algorithm is developed, combining the truncated modal basis of the initial system and the spatial or material co-ordinates of an added component, which is modelled with shell-type finite elements parameterized with respect to a shape factor. Based upon a quadratic inverse formulation, the proposed technique shows several advantages in comparison to other synthesis methods, such as a refined sensitivity strategy, a powerful modal synthesis approach and a simplified optimization phase. Numerical examples are provided illustrating the capabilities of the novel procedure.
Structural Dynamics Optimization Based on a Hybrid Inverse Synthesis Method Using a Quadratic Approximation
Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received April 2002; Revised Oct. 2003. Associate Editor: Chin An Tan.
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Schorderet, A., and Gmu¨r, T. (May 4, 2004). "Structural Dynamics Optimization Based on a Hybrid Inverse Synthesis Method Using a Quadratic Approximation ." ASME. J. Vib. Acoust. April 2004; 126(2): 253–259. https://doi.org/10.1115/1.1688759
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