Summary
Solutions for the interacting vibrations of a linear elastic arch dam with a linear compressible, three-dimensional, irregularly shaped fluidbody are presented. The vibration response is derived for a time harmonic excitation of the arch dam and, with regard to an earthquake analysis, for nonstationary stochastic excitation processes. The expansions of the stochastic responses are based on time-dependent power spectral density functions, demanding the evaluation of the frequency response spectras in advance. These time-harmonic solutions are obtained by means of substructure synthesis method, thereby applying a boundary integral equation formulation for the vibrating fluidbody.
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Höllinger, F. Time-harmonic and nonstationary stochastic vibrations of arch dam-reservoir-systems. Acta Mechanica 49, 153–167 (1983). https://doi.org/10.1007/BF01236348
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DOI: https://doi.org/10.1007/BF01236348