Coupled systems mechanics

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A closed-form solution for a fluid-structure system: shear beam-compressible fluid

  • Received : 2013.02.05
  • Accepted : 2013.03.29
  • Published : 2013.06.25
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Abstract

A closed-form solution for a fluid-structure system is presented in this article. The closed-form is used to evaluate the finite element method results through a numeric example with consideration of high frequencies of excitation. In the example, the structure is modeled as a cantilever beam with rectangular cross-section including only shear deformation and the reservoir is assumed semi-infinite rectangular filled with compressible fluid. It is observed that finite element results deviate from the closed-form in relatively higher frequencies which is the case for the near field earthquakes.

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References

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