2016
DOI: 10.1016/j.jcp.2016.08.037
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A hybridizable discontinuous Galerkin method for modeling fluid–structure interaction

Abstract: This work presents a novel application of the hybridizable discontinuous Galerkin (HDG) finite element method to the multi-physics simulation of coupled fluid-structure interaction (FSI) problems. Recent applications of the HDG method have primarily been for single-physics problems including both solids and fluids, which are necessary building blocks for FSI modeling. Utilizing these established models, HDG formulations for linear elastostatics, a nonlinear elastodynamic model, and arbitrary Lagrangian-Euleria… Show more

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Cited by 25 publications
(20 citation statements)
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“…There have been previous HDG formulations for moving and deforming domains via an ALE perspective of the Navier-Stokes equations in Nguyen and Peraire [18] and Fidkowski [19]. The HDG ALE formulation has also been used to build an HDG FSI formulation in Sheldon et al [1]. The HDG method has versatility and adaptability to enable straightforward implementation for a variety of different physics, which makes it ideal for complex multiphysics applications like FSI.…”
Section: Fig 1 the Blue Cell Is A Donor Cell And The Red Cell Is An mentioning
confidence: 99%
See 1 more Smart Citation
“…There have been previous HDG formulations for moving and deforming domains via an ALE perspective of the Navier-Stokes equations in Nguyen and Peraire [18] and Fidkowski [19]. The HDG ALE formulation has also been used to build an HDG FSI formulation in Sheldon et al [1]. The HDG method has versatility and adaptability to enable straightforward implementation for a variety of different physics, which makes it ideal for complex multiphysics applications like FSI.…”
Section: Fig 1 the Blue Cell Is A Donor Cell And The Red Cell Is An mentioning
confidence: 99%
“…In order to capture large changes in the computational domain, which include solid deformations and/or rigid translation modes of motion, it is necessary to first study an arbitrarily Lagrangian-Eulerian (ALE) formulation of the governing fluid equations. This particular building block is of critical importance because we will employ a monolithic solver for FSI simulations [1], which requires that the governing fluid equations and governing solid equations be cast in the same reference frame. Further, an ALE formulation automatically allows for dynamic bodies, and therefore dynamic meshes to be incorporated.…”
Section: Introductionmentioning
confidence: 99%
“…Finally, an original Green strain-displacement-velocity formulation was proposed in [105] for the purpose of solving fluid-structure interaction problems. Observed convergence rates were k + 1 for the approximate displacements and velocities, but only k for the approximate strains.…”
Section: Bibliography Notesmentioning
confidence: 99%
“…9 The coupled viscoelastic-acoustic problem approximated by high order DG on polygonal and polyhedral meshes has been studied in the work of Antonietti et al 10 Hybridizable discontinuous Galerkin methods have also been used for acoustics and elastodynamics 11,12 and for the coupled problem. 13 Spectral elements have been used to simulate the coupled problem in the time domain in the works of Komatitsch et al 14 and Mönkölä. 15 The latter work also shows how controllability methods can be used to solve the frequency domain problem by finding time-periodic solutions to the transient problem.…”
Section: Introductionmentioning
confidence: 99%