Pearson random walk algorithms for fiber-scale modeling of Chemical Vapor Infiltration
[Display omitted] ► The model involves rarefied gas diffusion and reaction and surface growth. ► It applies to large 3D images of fibrous media. ► The code is validated on cases with analytical estimates. ► Direct simulations or input for large scale simulation are obtained.Influence of diffusion/re...
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| Veröffentlicht in: | Computational materials science 2011-01, Vol.50 (3), p.1157-1168 |
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| creator | Vignoles, G.L. Ros, W. Mulat, C. Coindreau, O. Germain, C. |
| description | [Display omitted]
► The model involves rarefied gas diffusion and reaction and surface growth. ► It applies to large 3D images of fibrous media. ► The code is validated on cases with analytical estimates. ► Direct simulations or input for large scale simulation are obtained.Influence of diffusion/reaction competition on deposit morphology.
Chemical Vapor Infiltration (CVI) is a popular processing route for the preparation of high-quality Ceramic-Matrix Composites which involves rarefied gas transfer in a disordered fibrous array and heterogeneous deposition reactions. The fiber-scale modeling of CVI in large 3D images of actual porous media (e.g. tomographic images) is a challenging task. We address it with a numerical method based on Pearson random walks for transport/reaction of gases, on a Simplified Marching Cubes technique for the surface discretization, and on a pseudo-VOF technique for surface growth. Two different chemical situations are considered, depending on whether the gas precursor is synthesized inside the pores or not. Numerical validations of the code with respect to analytical estimates are presented; finally, in applications to large 3D images of fibrous media, we discuss the consequences of the competition between diffusion and reaction on the deposit morphology. |
| doi_str_mv | 10.1016/j.commatsci.2010.11.015 |
| format | Article |
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► The model involves rarefied gas diffusion and reaction and surface growth. ► It applies to large 3D images of fibrous media. ► The code is validated on cases with analytical estimates. ► Direct simulations or input for large scale simulation are obtained.Influence of diffusion/reaction competition on deposit morphology.
Chemical Vapor Infiltration (CVI) is a popular processing route for the preparation of high-quality Ceramic-Matrix Composites which involves rarefied gas transfer in a disordered fibrous array and heterogeneous deposition reactions. The fiber-scale modeling of CVI in large 3D images of actual porous media (e.g. tomographic images) is a challenging task. We address it with a numerical method based on Pearson random walks for transport/reaction of gases, on a Simplified Marching Cubes technique for the surface discretization, and on a pseudo-VOF technique for surface growth. Two different chemical situations are considered, depending on whether the gas precursor is synthesized inside the pores or not. Numerical validations of the code with respect to analytical estimates are presented; finally, in applications to large 3D images of fibrous media, we discuss the consequences of the competition between diffusion and reaction on the deposit morphology.</description><identifier>ISSN: 0927-0256</identifier><identifier>EISSN: 1879-0801</identifier><identifier>DOI: 10.1016/j.commatsci.2010.11.015</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>3D Image-based modeling ; Chemical Sciences ; Chemical Vapor Deposition ; Chemical Vapor Infiltration ; Computer Science ; Computer simulation ; Cross-disciplinary physics: materials science; rheology ; Diffusion/reaction problems ; Engineering Sciences ; Estimates ; Exact sciences and technology ; Material chemistry ; Materials science ; Materials synthesis; materials processing ; Mathematical models ; Media ; Morphology ; Physics ; Porous media ; Random walks ; Signal and Image processing ; Three dimensional</subject><ispartof>Computational materials science, 2011-01, Vol.50 (3), p.1157-1168</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c411t-33d66f3d8111a175616ee946f6eb1ca6cc0b06feeb51da47e3be3d73baf78d073</citedby><cites>FETCH-LOGICAL-c411t-33d66f3d8111a175616ee946f6eb1ca6cc0b06feeb51da47e3be3d73baf78d073</cites><orcidid>0000-0002-3097-8283 ; 0000-0003-1606-6867</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0927025610006373$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23861647$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00584762$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Vignoles, G.L.</creatorcontrib><creatorcontrib>Ros, W.</creatorcontrib><creatorcontrib>Mulat, C.</creatorcontrib><creatorcontrib>Coindreau, O.</creatorcontrib><creatorcontrib>Germain, C.</creatorcontrib><title>Pearson random walk algorithms for fiber-scale modeling of Chemical Vapor Infiltration</title><title>Computational materials science</title><description>[Display omitted]
► The model involves rarefied gas diffusion and reaction and surface growth. ► It applies to large 3D images of fibrous media. ► The code is validated on cases with analytical estimates. ► Direct simulations or input for large scale simulation are obtained.Influence of diffusion/reaction competition on deposit morphology.
Chemical Vapor Infiltration (CVI) is a popular processing route for the preparation of high-quality Ceramic-Matrix Composites which involves rarefied gas transfer in a disordered fibrous array and heterogeneous deposition reactions. The fiber-scale modeling of CVI in large 3D images of actual porous media (e.g. tomographic images) is a challenging task. We address it with a numerical method based on Pearson random walks for transport/reaction of gases, on a Simplified Marching Cubes technique for the surface discretization, and on a pseudo-VOF technique for surface growth. Two different chemical situations are considered, depending on whether the gas precursor is synthesized inside the pores or not. Numerical validations of the code with respect to analytical estimates are presented; finally, in applications to large 3D images of fibrous media, we discuss the consequences of the competition between diffusion and reaction on the deposit morphology.</description><subject>3D Image-based modeling</subject><subject>Chemical Sciences</subject><subject>Chemical Vapor Deposition</subject><subject>Chemical Vapor Infiltration</subject><subject>Computer Science</subject><subject>Computer simulation</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Diffusion/reaction problems</subject><subject>Engineering Sciences</subject><subject>Estimates</subject><subject>Exact sciences and technology</subject><subject>Material chemistry</subject><subject>Materials science</subject><subject>Materials synthesis; materials processing</subject><subject>Mathematical models</subject><subject>Media</subject><subject>Morphology</subject><subject>Physics</subject><subject>Porous media</subject><subject>Random walks</subject><subject>Signal and Image processing</subject><subject>Three dimensional</subject><issn>0927-0256</issn><issn>1879-0801</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkM1q3DAUhUVpoNO0z1BtSunCE13LluTlMDRNYCBZNNkKWb7KaCpbU8lJ6NtXZsJsu7pwOD_cj5AvwNbAQFwd1jaOo5mz9euaLSqsGbTvyAqU7CqmGLwnK9bVsmJ1Kz6QjzkfWEl2ql6Rx3s0KceJJjMNcaSvJvymJjzF5Of9mKmLiTrfY6qyNQHpGAcMfnqi0dHtHkdfVPpojsV2Ozkf5mRmH6dP5MKZkPHz270kD9c_fm1vqt3dz9vtZlfZBmCuOB-EcHxQAGBAtgIEYtcIJ7AHa4S1rGfCIfYtDKaRyHvkg-S9cVINTPJL8v3UuzdBH5MfTfqro_H6ZrPTi8ZYqxop6hco3m8n7zHFP8-YZz36bDEEM2F8zlqJhneq5UurPDltijkndOdqYHqBrg_6DF0v0DWALtBL8uvbhll4uULV-nyO11yVF5tlYXPyYYHz4jHp0oSTxcEntLMeov_v1j_zApyT</recordid><startdate>20110101</startdate><enddate>20110101</enddate><creator>Vignoles, G.L.</creator><creator>Ros, W.</creator><creator>Mulat, C.</creator><creator>Coindreau, O.</creator><creator>Germain, C.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-3097-8283</orcidid><orcidid>https://orcid.org/0000-0003-1606-6867</orcidid></search><sort><creationdate>20110101</creationdate><title>Pearson random walk algorithms for fiber-scale modeling of Chemical Vapor Infiltration</title><author>Vignoles, G.L. ; Ros, W. ; Mulat, C. ; Coindreau, O. ; Germain, C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-33d66f3d8111a175616ee946f6eb1ca6cc0b06feeb51da47e3be3d73baf78d073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>3D Image-based modeling</topic><topic>Chemical Sciences</topic><topic>Chemical Vapor Deposition</topic><topic>Chemical Vapor Infiltration</topic><topic>Computer Science</topic><topic>Computer simulation</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Diffusion/reaction problems</topic><topic>Engineering Sciences</topic><topic>Estimates</topic><topic>Exact sciences and technology</topic><topic>Material chemistry</topic><topic>Materials science</topic><topic>Materials synthesis; materials processing</topic><topic>Mathematical models</topic><topic>Media</topic><topic>Morphology</topic><topic>Physics</topic><topic>Porous media</topic><topic>Random walks</topic><topic>Signal and Image processing</topic><topic>Three dimensional</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vignoles, G.L.</creatorcontrib><creatorcontrib>Ros, W.</creatorcontrib><creatorcontrib>Mulat, C.</creatorcontrib><creatorcontrib>Coindreau, O.</creatorcontrib><creatorcontrib>Germain, C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials 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><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Computational materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vignoles, G.L.</au><au>Ros, W.</au><au>Mulat, C.</au><au>Coindreau, O.</au><au>Germain, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pearson random walk algorithms for fiber-scale modeling of Chemical Vapor Infiltration</atitle><jtitle>Computational materials science</jtitle><date>2011-01-01</date><risdate>2011</risdate><volume>50</volume><issue>3</issue><spage>1157</spage><epage>1168</epage><pages>1157-1168</pages><issn>0927-0256</issn><eissn>1879-0801</eissn><abstract>[Display omitted]
► The model involves rarefied gas diffusion and reaction and surface growth. ► It applies to large 3D images of fibrous media. ► The code is validated on cases with analytical estimates. ► Direct simulations or input for large scale simulation are obtained.Influence of diffusion/reaction competition on deposit morphology.
Chemical Vapor Infiltration (CVI) is a popular processing route for the preparation of high-quality Ceramic-Matrix Composites which involves rarefied gas transfer in a disordered fibrous array and heterogeneous deposition reactions. The fiber-scale modeling of CVI in large 3D images of actual porous media (e.g. tomographic images) is a challenging task. We address it with a numerical method based on Pearson random walks for transport/reaction of gases, on a Simplified Marching Cubes technique for the surface discretization, and on a pseudo-VOF technique for surface growth. Two different chemical situations are considered, depending on whether the gas precursor is synthesized inside the pores or not. Numerical validations of the code with respect to analytical estimates are presented; finally, in applications to large 3D images of fibrous media, we discuss the consequences of the competition between diffusion and reaction on the deposit morphology.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.commatsci.2010.11.015</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-3097-8283</orcidid><orcidid>https://orcid.org/0000-0003-1606-6867</orcidid></addata></record> |
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| subjects | 3D Image-based modeling Chemical Sciences Chemical Vapor Deposition Chemical Vapor Infiltration Computer Science Computer simulation Cross-disciplinary physics: materials science rheology Diffusion/reaction problems Engineering Sciences Estimates Exact sciences and technology Material chemistry Materials science Materials synthesis materials processing Mathematical models Media Morphology Physics Porous media Random walks Signal and Image processing Three dimensional |
| title | Pearson random walk algorithms for fiber-scale modeling of Chemical Vapor Infiltration |
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