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Coupled Systems Mechanics
  Volume 2, Number 2, June 2013 , pages 127-146

A closed-form solution for a fluid-structure system: shear beam-compressible fluid
Amirhossein Keivani, Ahmad Shooshtari and Ahmad Aftabi Sani

    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.
Key Words
    fluid-structure interaction; closed-form solution; shear beam; hydrodynamic pressure
1 Amirhossein Keivani and Ahmad Shooshtari: Civil Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran;
2 Ahmad Aftabi Sani: Department of Civil Engineering,Mashhad Branch, Islamic Azad University, Mashhad, Iran

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