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Numerical modelling for evaluating the TMD performance in an industrial chimney

  • Iban, A.L. (ITAP, Escuela de Ingenierias Industriales, Universidad de Valladolid) ;
  • Brownjohn, J.M.W. (Vibration Engineering Section, University of Sheffield) ;
  • Belver, A.V. (Centro Tecnologico CARTIF, Parque Tecnologico de Boecillo) ;
  • Lopez-Reyes, P.M. (Centro Tecnologico CARTIF, Parque Tecnologico de Boecillo) ;
  • Koo, K. (School of Construction Engineering, Kyoungil University)
  • 투고 : 2012.06.14
  • 심사 : 2012.12.08
  • 발행 : 2013.09.25

초록

A numerical technique for fluid-structure interaction, which is based on the finite element method (FEM) and computational fluid dynamics (CFD), was developed for application to an industrial chimney equipped with a pendulum tuned mass damper (TMD). In order to solve the structural problem, a one-dimensional beam model (Navier-Bernoulli) was considered and, for the dynamical problem, the standard second-order Newmark method was used. Navier-Stokes equations for incompressible flow are solved in several horizontal planes to determine the pressure in the boundary of the corresponding cross-section of the chimney. Forces per unit length were obtained by integrating the pressure and are introduced in the structure using standard FEM interpolation techniques. For the fluid problem, a fractional step scheme based on a second order pressure splitting has been used. In each fluid plane, the displacements have been taken into account considering an Arbitrary Lagrangian Eulerian approach. The stabilization of convection and diffusion terms is achieved by means of quasi-static orthogonal subscales. For each period of time, the fluid problem was solved and the geometry of the mesh of each fluid plane is updated according to the structure displacements. Using this technique, along-wind and across-wind effects have been properly explained. The method was applied to an industrial chimney in three scenarios (with or without TMD and for different damping values) and for two wind speeds, showing different responses.

키워드

참고문헌

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피인용 문헌

  1. Enhanced Vortex Shedding in a 183 m Industrial Chimney vol.17, pp.7, 2014, https://doi.org/10.1260/1369-4332.17.7.951
  2. Seismic Response and Safety Assessment of an Existing Concrete Chimney under Wind Load vol.2018, pp.None, 2013, https://doi.org/10.1155/2018/1513479
  3. Parametric optimization of an inerter-based vibration absorber for wind-induced vibration mitigation of a tall building vol.31, pp.3, 2020, https://doi.org/10.12989/was.2020.31.3.241
  4. Performance of a TMD to Mitigate Wind-Induced Interference Effects between Two Industrial Chimneys vol.10, pp.1, 2013, https://doi.org/10.3390/act10010012