Stochastic rotation dynamics for nematic liquid crystals
We introduce a new mesoscopic model for nematic liquid crystals (LCs). We extend the particle-based stochastic rotation dynamics method, which reproduces the Navier-Stokes equation, to anisotropic fluids by including a simplified Ericksen-Leslie formulation of nematodynamics. We verify the applicabi...
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| Veröffentlicht in: | The Journal of chemical physics 2015-04, Vol.142 (16), p.164110-164110 |
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| container_title | The Journal of chemical physics |
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| creator | Lee, Kuang-Wu Mazza, Marco G |
| description | We introduce a new mesoscopic model for nematic liquid crystals (LCs). We extend the particle-based stochastic rotation dynamics method, which reproduces the Navier-Stokes equation, to anisotropic fluids by including a simplified Ericksen-Leslie formulation of nematodynamics. We verify the applicability of this hybrid model by studying the equilibrium isotropic-nematic phase transition and nonequilibrium problems, such as the dynamics of topological defects and the rheology of sheared LCs. Our simulation results show that this hybrid model captures many essential aspects of LC physics at the mesoscopic scale, while preserving microscopic thermal fluctuations. |
| doi_str_mv | 10.1063/1.4919310 |
| format | Article |
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We extend the particle-based stochastic rotation dynamics method, which reproduces the Navier-Stokes equation, to anisotropic fluids by including a simplified Ericksen-Leslie formulation of nematodynamics. We verify the applicability of this hybrid model by studying the equilibrium isotropic-nematic phase transition and nonequilibrium problems, such as the dynamics of topological defects and the rheology of sheared LCs. Our simulation results show that this hybrid model captures many essential aspects of LC physics at the mesoscopic scale, while preserving microscopic thermal fluctuations.</description><identifier>ISSN: 0021-9606</identifier><identifier>EISSN: 1089-7690</identifier><identifier>DOI: 10.1063/1.4919310</identifier><identifier>PMID: 25933755</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>Anisotropic fluids ; ANISOTROPY ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; Computational fluid dynamics ; Computer simulation ; COMPUTERIZED SIMULATION ; Crystal defects ; EQUILIBRIUM ; FLUCTUATIONS ; HYBRIDIZATION ; LIQUID CRYSTALS ; NAVIER-STOKES EQUATIONS ; Nematic crystals ; PHASE TRANSFORMATIONS ; Phase transitions ; Physics ; Rheological properties ; RHEOLOGY ; Rotating liquids ; ROTATION ; SHEAR ; STOCHASTIC PROCESSES ; TOPOLOGY ; Variation</subject><ispartof>The Journal of chemical physics, 2015-04, Vol.142 (16), p.164110-164110</ispartof><rights>2015 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-5f6aadaf5650909965d381192385161170e9dfab97b2ed67efe4aec0b22efe473</citedby><cites>FETCH-LOGICAL-c407t-5f6aadaf5650909965d381192385161170e9dfab97b2ed67efe4aec0b22efe473</cites><orcidid>0000-0002-5625-9121</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25933755$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/22415702$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Lee, Kuang-Wu</creatorcontrib><creatorcontrib>Mazza, Marco G</creatorcontrib><title>Stochastic rotation dynamics for nematic liquid crystals</title><title>The Journal of chemical physics</title><addtitle>J Chem Phys</addtitle><description>We introduce a new mesoscopic model for nematic liquid crystals (LCs). We extend the particle-based stochastic rotation dynamics method, which reproduces the Navier-Stokes equation, to anisotropic fluids by including a simplified Ericksen-Leslie formulation of nematodynamics. We verify the applicability of this hybrid model by studying the equilibrium isotropic-nematic phase transition and nonequilibrium problems, such as the dynamics of topological defects and the rheology of sheared LCs. Our simulation results show that this hybrid model captures many essential aspects of LC physics at the mesoscopic scale, while preserving microscopic thermal fluctuations.</description><subject>Anisotropic fluids</subject><subject>ANISOTROPY</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>Computational fluid dynamics</subject><subject>Computer simulation</subject><subject>COMPUTERIZED SIMULATION</subject><subject>Crystal defects</subject><subject>EQUILIBRIUM</subject><subject>FLUCTUATIONS</subject><subject>HYBRIDIZATION</subject><subject>LIQUID CRYSTALS</subject><subject>NAVIER-STOKES EQUATIONS</subject><subject>Nematic crystals</subject><subject>PHASE TRANSFORMATIONS</subject><subject>Phase transitions</subject><subject>Physics</subject><subject>Rheological properties</subject><subject>RHEOLOGY</subject><subject>Rotating liquids</subject><subject>ROTATION</subject><subject>SHEAR</subject><subject>STOCHASTIC PROCESSES</subject><subject>TOPOLOGY</subject><subject>Variation</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpFkD1PwzAQhi0EoqUw8AdQJBYYUu7s2I5HVPElVWIAZst1HDVVExfbGfrvSWkp03vSPXp19xByjTBFEOwBp4VCxRBOyBihVLkUCk7JGIBirgSIEbmIcQUAKGlxTkaUK8Yk52NSfiRvlyamxmbBJ5Ma32XVtjNtY2NW-5B1rjW77br57psqs2Ebk1nHS3JWD-GuDjkhX89Pn7PXfP7-8jZ7nOe2AJlyXgtjKlNzwUGBUoJXrERUlJUcBaIEp6raLJRcUFcJ6WpXGGdhQelulGxCbve9frhRR9skZ5fWd52zSVNaIJdAB-puT22C_-5dTLptonXrtemc76NGIWVZSsbUf-ERXfk-dMMPmiIt5KDmt_B-T9ngYwyu1pvQtCZsNYLeSdeoD9IH9ubQ2C9aVx3JP8vsB2ZDebA</recordid><startdate>20150428</startdate><enddate>20150428</enddate><creator>Lee, Kuang-Wu</creator><creator>Mazza, Marco G</creator><general>American Institute of Physics</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-5625-9121</orcidid></search><sort><creationdate>20150428</creationdate><title>Stochastic rotation dynamics for nematic liquid crystals</title><author>Lee, Kuang-Wu ; Mazza, Marco G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-5f6aadaf5650909965d381192385161170e9dfab97b2ed67efe4aec0b22efe473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Anisotropic fluids</topic><topic>ANISOTROPY</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>Computational fluid dynamics</topic><topic>Computer simulation</topic><topic>COMPUTERIZED SIMULATION</topic><topic>Crystal defects</topic><topic>EQUILIBRIUM</topic><topic>FLUCTUATIONS</topic><topic>HYBRIDIZATION</topic><topic>LIQUID CRYSTALS</topic><topic>NAVIER-STOKES EQUATIONS</topic><topic>Nematic crystals</topic><topic>PHASE TRANSFORMATIONS</topic><topic>Phase transitions</topic><topic>Physics</topic><topic>Rheological properties</topic><topic>RHEOLOGY</topic><topic>Rotating liquids</topic><topic>ROTATION</topic><topic>SHEAR</topic><topic>STOCHASTIC PROCESSES</topic><topic>TOPOLOGY</topic><topic>Variation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Kuang-Wu</creatorcontrib><creatorcontrib>Mazza, Marco G</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Kuang-Wu</au><au>Mazza, Marco G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stochastic rotation dynamics for nematic liquid crystals</atitle><jtitle>The Journal of chemical physics</jtitle><addtitle>J Chem Phys</addtitle><date>2015-04-28</date><risdate>2015</risdate><volume>142</volume><issue>16</issue><spage>164110</spage><epage>164110</epage><pages>164110-164110</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><abstract>We introduce a new mesoscopic model for nematic liquid crystals (LCs). We extend the particle-based stochastic rotation dynamics method, which reproduces the Navier-Stokes equation, to anisotropic fluids by including a simplified Ericksen-Leslie formulation of nematodynamics. We verify the applicability of this hybrid model by studying the equilibrium isotropic-nematic phase transition and nonequilibrium problems, such as the dynamics of topological defects and the rheology of sheared LCs. Our simulation results show that this hybrid model captures many essential aspects of LC physics at the mesoscopic scale, while preserving microscopic thermal fluctuations.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>25933755</pmid><doi>10.1063/1.4919310</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-5625-9121</orcidid></addata></record> |
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| ispartof | The Journal of chemical physics, 2015-04, Vol.142 (16), p.164110-164110 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_osti_scitechconnect_22415702 |
| source | American Institute of Physics (AIP) Journals; Alma/SFX Local Collection |
| subjects | Anisotropic fluids ANISOTROPY CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Computational fluid dynamics Computer simulation COMPUTERIZED SIMULATION Crystal defects EQUILIBRIUM FLUCTUATIONS HYBRIDIZATION LIQUID CRYSTALS NAVIER-STOKES EQUATIONS Nematic crystals PHASE TRANSFORMATIONS Phase transitions Physics Rheological properties RHEOLOGY Rotating liquids ROTATION SHEAR STOCHASTIC PROCESSES TOPOLOGY Variation |
| title | Stochastic rotation dynamics for nematic liquid crystals |
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