Grain based modelling of rocks using the combined finite-discrete element method
This paper describes the implementation and advantages of grain based modelling (GBM) in the combined finite-discrete element method (FDEM) to study the mechanical behaviour of crystalline rocks. GBM in FDEM honours grain petrological properties and explicitly models grain boundaries. The simulation...
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| Veröffentlicht in: | Computers and geotechnics 2018-11, Vol.103, p.73-81 |
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| container_title | Computers and geotechnics |
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| creator | Abdelaziz, Aly Zhao, Qi Grasselli, Giovanni |
| description | This paper describes the implementation and advantages of grain based modelling (GBM) in the combined finite-discrete element method (FDEM) to study the mechanical behaviour of crystalline rocks. GBM in FDEM honours grain petrological properties and explicitly models grain boundaries. The simulation results demonstrated that GBM in FDEM predicted more realistic microscopic and macroscopic response of rocks than conventional FDEM models. The explicit modelling of crack boundaries captured microscopic failure transition from along grain boundaries to coalescence along the shear band, dominated by intraphase cracks. This novel framework presents a gateway into further understanding the behaviour of crystalline rocks and granular minerals. |
| doi_str_mv | 10.1016/j.compgeo.2018.07.003 |
| format | Article |
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GBM in FDEM honours grain petrological properties and explicitly models grain boundaries. The simulation results demonstrated that GBM in FDEM predicted more realistic microscopic and macroscopic response of rocks than conventional FDEM models. The explicit modelling of crack boundaries captured microscopic failure transition from along grain boundaries to coalescence along the shear band, dominated by intraphase cracks. This novel framework presents a gateway into further understanding the behaviour of crystalline rocks and granular minerals.</description><identifier>ISSN: 0266-352X</identifier><identifier>EISSN: 1873-7633</identifier><identifier>DOI: 10.1016/j.compgeo.2018.07.003</identifier><language>eng</language><publisher>New York: Elsevier Ltd</publisher><subject>Boundaries ; Coalescence ; Coalescing ; Combined finite-discrete element method ; Computer simulation ; Crystal structure ; Crystalline rocks ; Crystallinity ; Discrete element method ; Edge dislocations ; Finite element analysis ; Frameworks ; Grain based modelling ; Grain boundaries ; Mechanical properties ; Microscopic and macroscopic rock behaviour ; Minerals ; Modelling ; Rock ; Rocks ; Shear bands</subject><ispartof>Computers and geotechnics, 2018-11, Vol.103, p.73-81</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV Nov 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-cb442374374a3966675959b6acdd0a1826ed7e5db3c5b814f4874c159abb00703</citedby><cites>FETCH-LOGICAL-c389t-cb442374374a3966675959b6acdd0a1826ed7e5db3c5b814f4874c159abb00703</cites><orcidid>0000-0003-2870-0722 ; 0000-0002-5402-0416</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0266352X1830168X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Abdelaziz, Aly</creatorcontrib><creatorcontrib>Zhao, Qi</creatorcontrib><creatorcontrib>Grasselli, Giovanni</creatorcontrib><title>Grain based modelling of rocks using the combined finite-discrete element method</title><title>Computers and geotechnics</title><description>This paper describes the implementation and advantages of grain based modelling (GBM) in the combined finite-discrete element method (FDEM) to study the mechanical behaviour of crystalline rocks. 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This novel framework presents a gateway into further understanding the behaviour of crystalline rocks and granular minerals.</description><subject>Boundaries</subject><subject>Coalescence</subject><subject>Coalescing</subject><subject>Combined finite-discrete element method</subject><subject>Computer simulation</subject><subject>Crystal structure</subject><subject>Crystalline rocks</subject><subject>Crystallinity</subject><subject>Discrete element method</subject><subject>Edge dislocations</subject><subject>Finite element analysis</subject><subject>Frameworks</subject><subject>Grain based modelling</subject><subject>Grain boundaries</subject><subject>Mechanical properties</subject><subject>Microscopic and macroscopic rock behaviour</subject><subject>Minerals</subject><subject>Modelling</subject><subject>Rock</subject><subject>Rocks</subject><subject>Shear bands</subject><issn>0266-352X</issn><issn>1873-7633</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkFFLwzAUhYMoOKc_QQj43Jo0bdI8iYhOYaAPCr6FJrndUtdmJpngvzdjexcuXC6ccy7nQ-iakpISym-H0vhxuwJfVoS2JRElIewEzWgrWCE4Y6doRirOC9ZUn-foIsaBZJ9s5Qy9LULnJqy7CBaP3sJm46YV9j0O3nxFvIv7M60B5x_aTVnVu8klKKyLJkACDBsYYUp4hLT29hKd9d0mwtVxz9HH0-P7w3OxfF28PNwvC8NamQqj67pios7TMck5F41spOadsZZ0tK04WAGN1cw0uqV1X7eiNrSRndaECMLm6OaQuw3-ewcxqcHvwpRfqopWlAsqc_U5ag4qE3yMAXq1DW7swq-iRO3hqUEd4ak9PEWEyvCy7-7gg1zhx0FQ0TiYDFgXwCRlvfsn4Q-OCnqV</recordid><startdate>201811</startdate><enddate>201811</enddate><creator>Abdelaziz, Aly</creator><creator>Zhao, Qi</creator><creator>Grasselli, Giovanni</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>JQ2</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><orcidid>https://orcid.org/0000-0003-2870-0722</orcidid><orcidid>https://orcid.org/0000-0002-5402-0416</orcidid></search><sort><creationdate>201811</creationdate><title>Grain based modelling of rocks using the combined finite-discrete element method</title><author>Abdelaziz, Aly ; 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| ispartof | Computers and geotechnics, 2018-11, Vol.103, p.73-81 |
| issn | 0266-352X 1873-7633 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Boundaries Coalescence Coalescing Combined finite-discrete element method Computer simulation Crystal structure Crystalline rocks Crystallinity Discrete element method Edge dislocations Finite element analysis Frameworks Grain based modelling Grain boundaries Mechanical properties Microscopic and macroscopic rock behaviour Minerals Modelling Rock Rocks Shear bands |
| title | Grain based modelling of rocks using the combined finite-discrete element method |
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