A three‐dimensional micromechanically based model
Summary Granular materials react with complicated mechanical responses when subjected to external loading paths. This leads to sophisticated constitutive formulations requiring large numbers of parameters. A powerful and straightforward way consists in developing micro‐mechanical models embedding bo...
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| Veröffentlicht in: | International journal for numerical and analytical methods in geomechanics 2017-12, Vol.41 (17), p.1669-1686 |
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| container_end_page | 1686 |
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| container_issue | 17 |
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| container_title | International journal for numerical and analytical methods in geomechanics |
| container_volume | 41 |
| creator | Xiong, H. Nicot, F. Yin, Z. Y. |
| description | Summary
Granular materials react with complicated mechanical responses when subjected to external loading paths. This leads to sophisticated constitutive formulations requiring large numbers of parameters. A powerful and straightforward way consists in developing micro‐mechanical models embedding both micro‐scale and meso‐scale. This paper proposes a 3D micro‐mechanical model taking into account an intermediate scale (meso‐scale) that makes it possible to describe a variety of constitutive features in a natural way. The comparison between experimental tests and numerical simulations reveals the predictive capability of this model. Particularly, several simulations are carried out with different confining pressures and initial void ratios, based on the fact that the critical state is quantitatively described without requiring any critical state formulations and parameter. The model mechanism is also analyzed from a microscopic view, wherein the evolution of some key microscopic parameters is investigated. Copyright © 2017 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/nag.2692 |
| format | Article |
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Granular materials react with complicated mechanical responses when subjected to external loading paths. This leads to sophisticated constitutive formulations requiring large numbers of parameters. A powerful and straightforward way consists in developing micro‐mechanical models embedding both micro‐scale and meso‐scale. This paper proposes a 3D micro‐mechanical model taking into account an intermediate scale (meso‐scale) that makes it possible to describe a variety of constitutive features in a natural way. The comparison between experimental tests and numerical simulations reveals the predictive capability of this model. Particularly, several simulations are carried out with different confining pressures and initial void ratios, based on the fact that the critical state is quantitatively described without requiring any critical state formulations and parameter. The model mechanism is also analyzed from a microscopic view, wherein the evolution of some key microscopic parameters is investigated. Copyright © 2017 John Wiley & Sons, Ltd.</description><identifier>ISSN: 0363-9061</identifier><identifier>EISSN: 1096-9853</identifier><identifier>DOI: 10.1002/nag.2692</identifier><language>eng</language><publisher>Bognor Regis: Wiley Subscription Services, Inc</publisher><subject>Computer simulation ; Confining ; critical state ; Embedding ; Environmental Sciences ; Formulations ; Granular materials ; Mathematical models ; Mesoscale phenomena ; mesoscopic scale ; micromechanics ; microstructure ; multiscale approach ; Numerical prediction ; Parameters ; Ratios ; Scale (ratio) ; Three dimensional models</subject><ispartof>International journal for numerical and analytical methods in geomechanics, 2017-12, Vol.41 (17), p.1669-1686</ispartof><rights>Copyright © 2017 John Wiley & Sons, Ltd.</rights><rights>Attribution - NonCommercial</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4502-94e6b33a90b7dd42b7bda6196fb760a4de8058e92c37c13d40eda0732b2bd5ae3</citedby><cites>FETCH-LOGICAL-a4502-94e6b33a90b7dd42b7bda6196fb760a4de8058e92c37c13d40eda0732b2bd5ae3</cites><orcidid>0000-0002-3871-6149 ; 0000-0001-8104-4125</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fnag.2692$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fnag.2692$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,780,784,885,1416,27922,27923,45572,45573</link.rule.ids><backlink>$$Uhttps://hal.inrae.fr/hal-02607309$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Xiong, H.</creatorcontrib><creatorcontrib>Nicot, F.</creatorcontrib><creatorcontrib>Yin, Z. Y.</creatorcontrib><title>A three‐dimensional micromechanically based model</title><title>International journal for numerical and analytical methods in geomechanics</title><description>Summary
Granular materials react with complicated mechanical responses when subjected to external loading paths. This leads to sophisticated constitutive formulations requiring large numbers of parameters. A powerful and straightforward way consists in developing micro‐mechanical models embedding both micro‐scale and meso‐scale. This paper proposes a 3D micro‐mechanical model taking into account an intermediate scale (meso‐scale) that makes it possible to describe a variety of constitutive features in a natural way. The comparison between experimental tests and numerical simulations reveals the predictive capability of this model. Particularly, several simulations are carried out with different confining pressures and initial void ratios, based on the fact that the critical state is quantitatively described without requiring any critical state formulations and parameter. The model mechanism is also analyzed from a microscopic view, wherein the evolution of some key microscopic parameters is investigated. Copyright © 2017 John Wiley & Sons, Ltd.</description><subject>Computer simulation</subject><subject>Confining</subject><subject>critical state</subject><subject>Embedding</subject><subject>Environmental Sciences</subject><subject>Formulations</subject><subject>Granular materials</subject><subject>Mathematical models</subject><subject>Mesoscale phenomena</subject><subject>mesoscopic scale</subject><subject>micromechanics</subject><subject>microstructure</subject><subject>multiscale approach</subject><subject>Numerical prediction</subject><subject>Parameters</subject><subject>Ratios</subject><subject>Scale (ratio)</subject><subject>Three dimensional models</subject><issn>0363-9061</issn><issn>1096-9853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp10M1KAzEQB_AgCtYq-AgLXvSwdZLsZpvjUmwrFL3oOUw2U7tlP-qmVXrzEXxGn8TUFW-eBmZ-zDB_xi45jDiAuG3wZSSUFkdswEGrWI9TecwGIJWMNSh-ys68XwNAGqYDJvNou-qIvj4-XVlT48u2wSqqy6JraypW2JQFVtU-sujJRXXrqDpnJ0usPF381iF7nt49Tebx4nF2P8kXMSYpiFgnpKyUqMFmziXCZtah4lotbaYAE0djSMekRSGzgkuXADmETAorrEuR5JDd9HtXWJlNV9bY7U2LpZnnC3PogVDBg37jwV71dtO1rzvyW7Nud114xZtwMZE8TTII6rpX4TvvO1r-reVgDvGZEJ85xBdo3NP3sqL9v8485LMf_w2D4m_U</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Xiong, H.</creator><creator>Nicot, F.</creator><creator>Yin, Z. 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Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A three‐dimensional micromechanically based model</atitle><jtitle>International journal for numerical and analytical methods in geomechanics</jtitle><date>2017-12-01</date><risdate>2017</risdate><volume>41</volume><issue>17</issue><spage>1669</spage><epage>1686</epage><pages>1669-1686</pages><issn>0363-9061</issn><eissn>1096-9853</eissn><abstract>Summary
Granular materials react with complicated mechanical responses when subjected to external loading paths. This leads to sophisticated constitutive formulations requiring large numbers of parameters. A powerful and straightforward way consists in developing micro‐mechanical models embedding both micro‐scale and meso‐scale. This paper proposes a 3D micro‐mechanical model taking into account an intermediate scale (meso‐scale) that makes it possible to describe a variety of constitutive features in a natural way. The comparison between experimental tests and numerical simulations reveals the predictive capability of this model. Particularly, several simulations are carried out with different confining pressures and initial void ratios, based on the fact that the critical state is quantitatively described without requiring any critical state formulations and parameter. The model mechanism is also analyzed from a microscopic view, wherein the evolution of some key microscopic parameters is investigated. Copyright © 2017 John Wiley & Sons, Ltd.</abstract><cop>Bognor Regis</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/nag.2692</doi><tpages>18</tpages><orcidid>https://orcid.org/0000-0002-3871-6149</orcidid><orcidid>https://orcid.org/0000-0001-8104-4125</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | International journal for numerical and analytical methods in geomechanics, 2017-12, Vol.41 (17), p.1669-1686 |
| issn | 0363-9061 1096-9853 |
| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | Computer simulation Confining critical state Embedding Environmental Sciences Formulations Granular materials Mathematical models Mesoscale phenomena mesoscopic scale micromechanics microstructure multiscale approach Numerical prediction Parameters Ratios Scale (ratio) Three dimensional models |
| title | A three‐dimensional micromechanically based model |
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