Particle tracking in unstructured, arbitrary polyhedral meshes for use in CFD and molecular dynamics
Many classes of engineering fluid dynamics simulation require the tracking of discrete elements, for example, dispersed particles in a solvent, a spray of diesel injected into an internal combustion engine, or the dynamics of granular materials. Realistic simulations often require complex, 3D geomet...
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| Veröffentlicht in: | Communications in numerical methods in engineering 2009-03, Vol.25 (3), p.263-273 |
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| container_title | Communications in numerical methods in engineering |
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| creator | Macpherson, Graham B. Nordin, Niklas Weller, Henry G. |
| description | Many classes of engineering fluid dynamics simulation require the tracking of discrete elements, for example, dispersed particles in a solvent, a spray of diesel injected into an internal combustion engine, or the dynamics of granular materials. Realistic simulations often require complex, 3D geometries, generated from CAD models and meshed with unstructured polyhedra, which may be deforming, in motion or spatially decomposed for parallel computation. We present an algorithm to track the motion of particles in such geometries which is designed to be computationally efficient and robust in imperfect 3D meshes where small holes or overlaps are present. It has been applied to a wide range of engineering problems ranging from injected fuel sprays in internal combustion engines to molecular dynamics modelling of nanoscale flows. Copyright © 2008 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/cnm.1128 |
| format | Article |
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Realistic simulations often require complex, 3D geometries, generated from CAD models and meshed with unstructured polyhedra, which may be deforming, in motion or spatially decomposed for parallel computation. We present an algorithm to track the motion of particles in such geometries which is designed to be computationally efficient and robust in imperfect 3D meshes where small holes or overlaps are present. It has been applied to a wide range of engineering problems ranging from injected fuel sprays in internal combustion engines to molecular dynamics modelling of nanoscale flows. 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Numer. Meth. Engng</addtitle><description>Many classes of engineering fluid dynamics simulation require the tracking of discrete elements, for example, dispersed particles in a solvent, a spray of diesel injected into an internal combustion engine, or the dynamics of granular materials. Realistic simulations often require complex, 3D geometries, generated from CAD models and meshed with unstructured polyhedra, which may be deforming, in motion or spatially decomposed for parallel computation. We present an algorithm to track the motion of particles in such geometries which is designed to be computationally efficient and robust in imperfect 3D meshes where small holes or overlaps are present. It has been applied to a wide range of engineering problems ranging from injected fuel sprays in internal combustion engines to molecular dynamics modelling of nanoscale flows. 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Machine design</subject><subject>molecular dynamics</subject><subject>OpenFOAM</subject><subject>particle tracking</subject><subject>Physics</subject><subject>Rheology</subject><subject>Solid mechanics</subject><subject>Structural and continuum mechanics</subject><subject>unstructured mesh</subject><issn>1069-8299</issn><issn>1099-0887</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp1kMtOxCAUQBujiTqa-AlsNC6sQqEFljrqqPEVn0tyC1RR2o7QRufv7WQm7lxxE849yT1JskPwIcE4O9JNfUhIJlaSDYKlTLEQfHU-FzIVmZTryWaMHxhjiQXeSMw9hM5pb1EXQH-65g25BvVN7EKvuz5Yc4AglG74DTM0bf3s3ZoAHtU2vtuIqjagPtr50vj8FEFjUN16q3sPAZlZA7XTcStZq8BHu718R8nz-dnT-CK9vptcjo-vU00LJlJuclqKspAlLSrgrJS8EphxKTPJtJEF8ConTBghc8wYscQYgFxqk5U0LyQdJXsL7zS0X72Nnapd1NZ7aGzbR0UpY5yKbAD3F6AObYzBVmoaXD1cqAhW84xqyKjmGQd0d-mEqMFXARrt4h-fEcL50Hng0gX37byd_etT49ubpXfJu9jZnz8ewqcqOOW5er2dqJOHiXi5eiHqkf4Co6CQMw</recordid><startdate>200903</startdate><enddate>200903</enddate><creator>Macpherson, Graham B.</creator><creator>Nordin, Niklas</creator><creator>Weller, Henry G.</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>200903</creationdate><title>Particle tracking in unstructured, arbitrary polyhedral meshes for use in CFD and molecular dynamics</title><author>Macpherson, Graham B. ; Nordin, Niklas ; Weller, Henry G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3648-7d53b8b69b36fa74b97f804799294cd96a7f5148d8950441e1ddaa59cd2b35693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>droplet spray</topic><topic>Engines and turbines</topic><topic>Exact sciences and technology</topic><topic>Fluid dynamics</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>General theory</topic><topic>Granular solids</topic><topic>Internal combustion engines: gazoline engine, diesel engines, etc</topic><topic>Material form</topic><topic>Mechanical engineering. Machine design</topic><topic>molecular dynamics</topic><topic>OpenFOAM</topic><topic>particle tracking</topic><topic>Physics</topic><topic>Rheology</topic><topic>Solid mechanics</topic><topic>Structural and continuum mechanics</topic><topic>unstructured mesh</topic><toplevel>online_resources</toplevel><creatorcontrib>Macpherson, Graham B.</creatorcontrib><creatorcontrib>Nordin, Niklas</creatorcontrib><creatorcontrib>Weller, Henry G.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</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>Communications in numerical methods in engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Macpherson, Graham B.</au><au>Nordin, Niklas</au><au>Weller, Henry G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Particle tracking in unstructured, arbitrary polyhedral meshes for use in CFD and molecular dynamics</atitle><jtitle>Communications in numerical methods in engineering</jtitle><addtitle>Commun. 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| identifier | ISSN: 1069-8299 |
| ispartof | Communications in numerical methods in engineering, 2009-03, Vol.25 (3), p.263-273 |
| issn | 1069-8299 1099-0887 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Cross-disciplinary physics: materials science rheology droplet spray Engines and turbines Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) General theory Granular solids Internal combustion engines: gazoline engine, diesel engines, etc Material form Mechanical engineering. Machine design molecular dynamics OpenFOAM particle tracking Physics Rheology Solid mechanics Structural and continuum mechanics unstructured mesh |
| title | Particle tracking in unstructured, arbitrary polyhedral meshes for use in CFD and molecular dynamics |
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