An immersed boundary–lattice-Boltzmann method for the simulation of the flow past an impulsively started cylinder
We present a lattice-Boltzmann method coupled with an immersed boundary technique for the simulation of bluff body flows. The lattice-Boltzmann method for the modeling of the Navier–Stokes equations, is enhanced by a forcing term to account for the no-slip boundary condition on a non-grid conforming...
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| Veröffentlicht in: | Journal of computational physics 2008-04, Vol.227 (9), p.4486-4498 |
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| container_title | Journal of computational physics |
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| creator | Dupuis, Alexandre Chatelain, Philippe Koumoutsakos, Petros |
| description | We present a lattice-Boltzmann method coupled with an immersed boundary technique for the simulation of bluff body flows. The lattice-Boltzmann method for the modeling of the Navier–Stokes equations, is enhanced by a forcing term to account for the no-slip boundary condition on a non-grid conforming boundary. We investigate two alternatives of coupling the boundary forcing term with the grid nodes, namely the direct and the interpolated forcing techniques. The present LB–IB methods are validated in simulations of the incompressible flow past an impulsively started cylinder at low and moderate Reynolds numbers. We present diagnostics such as the near wall vorticity field and the drag coefficient and comparisons with previous computational and experimental works and assess the advantages and drawbacks of the two techniques. |
| doi_str_mv | 10.1016/j.jcp.2008.01.009 |
| format | Article |
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The lattice-Boltzmann method for the modeling of the Navier–Stokes equations, is enhanced by a forcing term to account for the no-slip boundary condition on a non-grid conforming boundary. We investigate two alternatives of coupling the boundary forcing term with the grid nodes, namely the direct and the interpolated forcing techniques. The present LB–IB methods are validated in simulations of the incompressible flow past an impulsively started cylinder at low and moderate Reynolds numbers. 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We present diagnostics such as the near wall vorticity field and the drag coefficient and comparisons with previous computational and experimental works and assess the advantages and drawbacks of the two techniques.</description><subject>Bluff body flows</subject><subject>Computational techniques</subject><subject>Exact sciences and technology</subject><subject>Immersed boundary</subject><subject>Impulsively started cylinder</subject><subject>Lattice-Boltzmann</subject><subject>Mathematical methods in physics</subject><subject>Physics</subject><issn>0021-9991</issn><issn>1090-2716</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kMtuFDEQRVuISAwJH8DOG9h1U3Y_xharEPGIFIkNWVseu6x45LYb2x00WfEP_CFfEk8mYsmqpNKpW7qnad5S6CjQ6cO-2-ulYwC8A9oBiBfNhoKAlm3p9LLZADDaCiHoq-Z1znuo4DjwTZMvA3HzjCmjIbu4BqPS4e_vP16V4jS2n6IvD7MKgcxY7qIhNiZS7pBkN68VcjGQaJ821sdfZFG5EHXMXFaf3T36A8lFpVLj9cG7YDBdNGdW-Yxvnud5c_vl84-rb-3N96_XV5c3rR7YUFo77gTszLhlmo3MgNJ2Zy2v3UyPIEYLRg2TElz3YMQ0wtbWwggD51yzHvrz5v0pd0nx54q5yNlljd6rgHHNsu9h4gOICtITqFPMOaGVS3JzFSEpyKNeuZdVrzzqlUAlPN28ew5XWStvkwra5X-HDBjjk5gq9_HEYW167zDJrB0GjcYl1EWa6P7z5RHq3ZK-</recordid><startdate>20080420</startdate><enddate>20080420</enddate><creator>Dupuis, Alexandre</creator><creator>Chatelain, Philippe</creator><creator>Koumoutsakos, Petros</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20080420</creationdate><title>An immersed boundary–lattice-Boltzmann method for the simulation of the flow past an impulsively started cylinder</title><author>Dupuis, Alexandre ; Chatelain, Philippe ; Koumoutsakos, Petros</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c424t-f5b90bd572c252d0acfbff8009d3e095f0da46a98c30d96507f090e04888c2303</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Bluff body flows</topic><topic>Computational techniques</topic><topic>Exact sciences and technology</topic><topic>Immersed boundary</topic><topic>Impulsively started cylinder</topic><topic>Lattice-Boltzmann</topic><topic>Mathematical methods in physics</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dupuis, Alexandre</creatorcontrib><creatorcontrib>Chatelain, Philippe</creatorcontrib><creatorcontrib>Koumoutsakos, Petros</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>Journal of computational physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dupuis, Alexandre</au><au>Chatelain, Philippe</au><au>Koumoutsakos, Petros</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An immersed boundary–lattice-Boltzmann method for the simulation of the flow past an impulsively started cylinder</atitle><jtitle>Journal of computational physics</jtitle><date>2008-04-20</date><risdate>2008</risdate><volume>227</volume><issue>9</issue><spage>4486</spage><epage>4498</epage><pages>4486-4498</pages><issn>0021-9991</issn><eissn>1090-2716</eissn><abstract>We present a lattice-Boltzmann method coupled with an immersed boundary technique for the simulation of bluff body flows. 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| ispartof | Journal of computational physics, 2008-04, Vol.227 (9), p.4486-4498 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Bluff body flows Computational techniques Exact sciences and technology Immersed boundary Impulsively started cylinder Lattice-Boltzmann Mathematical methods in physics Physics |
| title | An immersed boundary–lattice-Boltzmann method for the simulation of the flow past an impulsively started cylinder |
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