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A combined volume penalization / selective frequency damping approach for immersed boundary methods applied to high-order schemes [article]

Jiaqing Kou, Esteban Ferrer
2021 arXiv   pre-print
We include a selective frequency damping (SFD) approach (Aakervik et al., 2006) acting only inside solid body defined through the immersed boundary masking, to damp spurious oscillations.  ...  IBM based on volume penalization is a robust and easy to implement method to avoid body-fitted meshes and has been recently adapted to high order discretisations (Kou et al., 2021).  ...  The proposed approach and implementation In this work, a combining approach based on volume penalization and SFD for IBM treatment is considered and applied to high-order FR schemes.  ... 
arXiv:2107.10177v1 fatcat:3j6v5nrpyvhndewhefv72sq4ya

Eigensolution analysis of immersed boundary method based on volume penalization: applications to high-order schemes [article]

Jiaqing Kou, Aurelio Hurtado-de-Mendoza, Saumitra Joshi, Soledad Le Clainche, Esteban Ferrer
2021 arXiv   pre-print
This paper presents eigensolution and non-modal analyses for immersed boundary methods (IBMs) based on volume penalization for the linear advection equation.  ...  This indicates that the optimal value of the penalization parameter and the second-order damping can be carefully chosen to obtain a more accurate scheme.  ...  Conclusions This paper applies eigensolution and non-modal analyses for the immersed boundary method in the advection equation, where a high-order flux reconstruction scheme based on volume penalization  ... 
arXiv:2107.10155v1 fatcat:albrntjxm5b6rcmxe2fhosskr4

Approximate Acoustic Boundary Conditions in the Time-Domain using Volume Penalization [article]

Mathias Lemke, Julius Reiss
2022 arXiv   pre-print
The penalization technique employed here is a physically motivated Brinkman method that models objects as porous material by including a friction term and an effective volume.  ...  Immersed boundary methods allow describing complex objects on simple Cartesian grids in time-domain simulations.  ...  The approach allows the realization of damping as well as responsive boundary conditions. The effective volume and the Darcy penalization are easy to interpret.  ... 
arXiv:2203.04790v1 fatcat:nhlrjkftara6vjdmz6z2fmhble

Two-dimensional simulation of the fluttering instability using a pseudospectral method with volume penalization

Thomas Engels, Dmitry Kolomenskiy, Kai Schneider, Jörn Sesterhenn
2013 Computers & structures  
Using the volume penalization method arbitrary inflow conditions can be enforced, together with the no-slip conditions at the boundary of the immersed flexible object.  ...  The coupling between the fluid and solid parts is realized with a fast explicit staggered scheme. The method is applied to the fluttering instability of a slender structure immersed in a free stream.  ...  Acknowledgements We thankfully acknowledge the DFH-UFA (Deutsch-Französische Hochschule / Université Franco-Allemande) for financial support.  ... 
doi:10.1016/j.compstruc.2012.12.007 fatcat:yf77qvq4pvd4lljgaimscuckeu

Further validation of the hybrid particle-mesh method for vortex shedding flow simulations

Seung-Jae Lee, Jun-Hyeok Lee, Jung-Chun Suh
2015 International Journal of Naval Architecture and Ocean Engineering  
., 2015) , numerical schemes for efficient computations were successfully implemented; i.e. multiple domains, the approximation of domain boundary conditions using cubic spline functions, and particlebased  ...  In this study, numerical results through a hybrid particle-mesh method which adopts the Vortex-In-Cell (VIC) method and the Brinkman penalization model are further rigorously validated through comparison  ...  CONCLUSION We have presented the hybrid particle-mesh method that combines the VIC method and penalization method based on the velocity-vorticity formulation and applied to the NACA 0009 hydrofoil with  ... 
doi:10.1515/ijnaoe-2015-0072 fatcat:dkswcj7qozbarmnccbdcuy44vq

Fluid Structure Interaction modelling using Lattice Boltzmann and Volume Penalization method [article]

Erwan Liberge, Claudine Béghein
2021 arXiv   pre-print
This paper proposes an approach combining the Volume Penalization (VP) and the the Lattice Boltzmann method (LBM) to compute fluid structure interaction involving rigid bodies.  ...  The method is applied to three FSI problems and solved using a Graphics Processor Units (GPU) device.  ...  Conclusion A combined approach coupling the Volume Penalization and the Lattice Boltzmann method for fluid structure interaction was proposed.  ... 
arXiv:1905.05110v2 fatcat:cyl3btq7ljaybegexha25uy7eq

A wavelet-adaptive method for multiscale simulation of turbulent flows in flying insects [article]

Thomas Engels and Kai Schneider and Julius Reiss and Marie Farge
2021 arXiv   pre-print
No-slip and in/outflow boundary conditions are imposed using volume penalization.  ...  The incompressible fluid is modeled with an artificial compressibility approach in order to avoid solving elliptical problems.  ...  the volume penalization method.  ... 
arXiv:1912.05371v3 fatcat:soxz6azgd5fndpd27waef7enqi

A sharp interface Lagrangian-Eulerian method for flexible-body fluid-structure interaction [article]

Ebrahim M. Kolahdouz, David R. Wells, Simone Rossi, Kenneth I. Aycock, Brent A. Craven, Boyce E. Griffith
2022 arXiv   pre-print
This new flexible-body immersed Lagrangian-Eulerian (ILE) approach incorporates the geometrical and domain solution flexibility of the immersed boundary (IB) method with an accuracy comparable to body-fitted  ...  Our fluid solver relies on an immersed interface method for discrete surfaces to impose stress jump conditions along complex interfaces.  ...  FDA Center for Devices and Radiological Health (CDRH) Critical Path program. This research was supported in part by an appointment to the Research Participation Program at the U.S.  ... 
arXiv:2204.12907v1 fatcat:at6kzy3jbvh5bepvmkrwjdxtze

A Review on Feature-Mapping Methods for Structural Optimization [article]

Fabian Wein and Peter Dunning and Julián A. Norato
2019 arXiv   pre-print
One of these ingredients corresponds to the mechanism for mapping the geometry of a single feature onto a fixed analysis grid, from which an ersatz material or an immersed boundary approach is used for  ...  We also review other ingredients of feature-mapping techniques, including approaches for combining features (which are required to perform topology optimization) and methods for imposing a minimum separation  ...  The initiative for this review goes back to critical yet constructive comments by Prof. Kurt Maute, from the University of Colorado Boulder, USA. We also thank Prof.  ... 
arXiv:1910.10770v1 fatcat:6qiz3bvtnzd5tmuu6z5ekvhrbq

Numerical Simulation of Vortex-Dominated Flows Using the Penalized VIC Method [chapter]

Seung-Jae Lee
2017 Vortex Dynamics and Optical Vortices  
The penalized vortex-in-cell (VIC) method is a state-of-the-art variant of vortex methods.  ...  It offers an efficient and effective way to simulate unsteady viscous flows, thereby enabling application to a wider range of problems in flows.  ...  Diffusion via penalization method The penalization method has been used to take into account a solid body immersed in a flow.  ... 
doi:10.5772/65371 fatcat:kiw2oj7mhzeo3kf443ewb6hkli

A sharp interface Lagrangian-Eulerian method for rigid-body fluid-structure interaction [article]

Ebrahim M. Kolahdouz, Amneet P.S. Bhalla, Lawrence N. Scotten, Brent A. Craven, Boyce E. Griffith
2021 arXiv   pre-print
To develop a practical numerical method, we adopt a penalty approach that approximately imposes the no-slip condition along the fluid-structure interface.  ...  The numerical approach developed herein, which we refer to as an immersed Lagrangian-Eulerian method, integrates aspects of partitioned and immersed FSI formulations by solving separate momentum equations  ...  We also thank Kenneth Aycock, Saad Qadeer, Jianhua Qin, and Simone Rossi for their constructive comments to improve the manuscript.  ... 
arXiv:2003.12046v5 fatcat:qxxlrtx3cnhflfw4mluroewigq

Comparison of wave-structure interaction dynamics of a submerged cylindrical point absorber with three degrees of freedom using potential flow and CFD models [article]

Panagiotis Dafnakis, Amneet Pal Singh Bhalla, Sergej Antonello Sirigu, Mauro Bonfanti, Giovanni Bracco, Giuliana Mattiazzo
2020 arXiv   pre-print
The wave absorption efficiency improves significantly when higher than the predicted value of the PTO damping is selected.  ...  It is demonstrated that the PTO coefficients predicted by the linear potential theory are sub-optimal for waves of moderate and high steepness.  ...  The FD/BP method is a fully-Eulerian approach to FSI modeling.  ... 
arXiv:1908.04981v3 fatcat:vkne3j2ymzcvrnoebiakb6dj2q

A remeshed vortex method for mixed rigid/soft body fluid–structure interaction [article]

Yashraj Bhosale, Tejaswin Parthasarathy, Mattia Gazzola
2020 arXiv   pre-print
We outline a 2D algorithm for solving incompressible flow--structure interaction problems for mixed rigid/soft body representations, within a consistent framework based on the remeshed vortex method.  ...  We test our solver against a number of benchmark problems, which demonstrate physical accuracy and first to second order convergence in space and time.  ...  CBET-1846752 (MG) and by the Blue Waters project (OCI-0725070, ACI-1238993), a joint effort of the University of Illinois at Urbana-Champaign and its National Center for Supercomputing Applications.  ... 
arXiv:2011.09669v1 fatcat:reqh4fmylzfirarfax3vwtiuby

Efficient Nonlinear Hydrodynamic Models for Wave Energy Converter Design—A Scoping Study

Josh Davidson, Ronan Costello
2020 Journal of Marine Science and Engineering  
To scope the fast, high fidelity options, the present literature review aims to focus on what CFD theories exist intermediate to LPF and RANS as well as other modeling options that are computationally  ...  Conversely, while Reynolds averaged Navier–Stokes (RANS) type computational fluid dynamics (CFD) solvers provide a high fidelity representation of the physics, the increased computational burden of these  ...  Spectral Element Method To overcome the limitation of FEMs to low order schemes, higher-order spectral element methods (SEMs) seek to combine the high-order accuracy of spectral methods with the geometric  ... 
doi:10.3390/jmse8010035 fatcat:fbggq2ef55di3ksufgblgm55zm

Fluid–structure interaction analysis of bioprosthetic heart valves: significance of arterial wall deformation

Ming-Chen Hsu, David Kamensky, Yuri Bazilevs, Michael S. Sacks, Thomas J. R. Hughes
2014 Computational Mechanics  
We propose a framework that combines variational immersed-boundary and arbitrary Lagrangian-Eulerian methods for fluid-structure interaction (FSI) simulation of a bioprosthetic heart valve implanted in  ...  Abstract We propose a framework that combines variational immersed-boundary and arbitrary Lagrangian-Eulerian (ALE) methods for fluid-structure interaction (FSI) simulation of a bioprosthetic heart valve  ...  We thank the Texas Advanced Computing Center (TACC) at the University of Texas at Austin for providing HPC resources that have contributed to the research results reported in this paper.  ... 
doi:10.1007/s00466-014-1059-4 pmid:25580046 pmcid:PMC4286305 fatcat:mntay77fuvephiegwcdgfq5lfu
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