On the immersed boundary‐lattice Boltzmann simulations of incompressible flows with freely moving objects
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DOI: 10.1002/fld.4270
Abstract: Summary For simulating freely moving problems, conventional immersed boundary-lattice Boltzmann methods encounter two major difficulties of an extremely large flow domain and the incompressible limit. To remove these two difficulties, this work proposes an immersed… read more here.
Keywords: flows freely; boundary lattice; lattice boltzmann; freely moving ... See more keywords
An immersed boundary method for solving compressible flow with arbitrarily irregular and moving geometry
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DOI: 10.1002/fld.4665
Abstract: In this paper, a novel immersed boundary method is developed, validated, and applied. Through devising a second-order three-step flow reconstruction scheme, the proposed method is able to enforce the Dirichlet, Neumann, Robin, and Cauchy boundary… read more here.
Keywords: boundary method; flow arbitrarily; arbitrarily irregular; method ... See more keywords
An inverse problem formulation of the immersed‐boundary method
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DOI: 10.1002/fld.4816
Abstract: We formulate the immersed‐boundary method (IBM) as an inverse problem. A control variable is introduced on the boundary of a larger domain that encompasses the target domain. The optimal control is the one that minimizes… read more here.
Keywords: boundary method; problem; inverse problem; immersed boundary ... See more keywords
Immersed boundary-conformal isogeometric method for linear elliptic problems
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DOI: 10.1007/s00466-021-02074-6
Abstract: We present a novel isogeometric method, namely the Immersed Boundary-Conformal Method (IBCM), that features a layer of discretization conformal to the boundary while employing a simple background mesh for the remaining domain. In this manner,… read more here.
Keywords: isogeometric method; layer; boundary conformal; ibcm ... See more keywords
An immersed boundary method for flows with dense particle suspensions
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DOI: 10.1007/s00707-018-2296-y
Abstract: AbstractThe immersed boundary method (IBM) is a well-suited tool for the direct numerical simulation of flows with dense particle suspensions, which feature strong and complex flow-particle and particle–particle interactions. With the aim to model such… read more here.
Keywords: boundary method; flows dense; particle; particle suspensions ... See more keywords
Immersed boundary—thermal lattice Boltzmann method for the moving simulation of non-isothermal elliptical particles
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DOI: 10.1007/s10973-019-08329-y
Abstract: The study is concerned with the understanding of elliptical particles’ transport behavior coupled with heat transfer effects. A combination of immersed boundary and lattice Boltzmann method is utilized to simulate the problem. A complementary repulsive… read more here.
Keywords: lattice boltzmann; boltzmann method; method; immersed boundary ... See more keywords
Numerical Investigation on Vortex-Induced Rotations of A Triangular Cylinder Using An Immersed Boundary Method
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DOI: 10.1007/s13344-019-0070-0
Abstract: A numerical study of vortex-induced rotations (VIRs) of an equivalent triangular cylinder, which is free to rotate in the azimuthal direction in a uniform flow, is presented. Based on an immersed boundary method, the numerical… read more here.
Keywords: vortex induced; induced rotations; rotation; cylinder ... See more keywords
An immersed boundary approach for residual stress evaluation in selective laser melting processes
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DOI: 10.1016/j.addma.2021.102077
Abstract: Abstract In Selective Laser Melting (SLM) processes, residual stress formation can substantially affect mechanical properties and geometric accuracy of the produced part. The process parameters together with the adopted laser scan strategy should be optimized… read more here.
Keywords: residual stress; laser melting; selective laser; immersed boundary ... See more keywords
Pore-scale simulation of salt fingers in porous media using a coupled iterative source-correction immersed boundary-lattice Boltzmann solver
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DOI: 10.1016/j.apm.2021.01.019
Abstract: Abstract In the conventional representative elementary volume-scale models, details of fluid movement, thermal transfer and mass transport in the porous media are relatively hard to capture, while the understanding of them is crucial in many… read more here.
Keywords: lattice boltzmann; pore scale; salt; porous media ... See more keywords
Simulating unsteady flows in a compressor using immersed boundary method with turbulent wall model
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DOI: 10.1016/j.ast.2021.106834
Abstract: Abstract Computations of unsteady turbulent flows in turbomachine are still challenging due to the complexity of geometry and relative motion between rotor and stator. A potential solution is using the immersed boundary method (IBM) for… read more here.
Keywords: using immersed; wall model; model; immersed boundary ... See more keywords
Numerical approach to study bubbles and drops evolving through complex geometries by using a level set – Moving mesh – Immersed boundary method
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.05.110
Abstract: Abstract The present work proposes a method to study problems of drops and bubbles evolving in complex geometries. First, a conservative level set (CLS) method is enforced to handle the multiphase domain while keeping the… read more here.
Keywords: complex geometries; method; evolving complex; level set ... See more keywords