A direct time-domain procedure for the seismic analysis of dam–foundation–reservoir systems using the scaled boundary finite element method
In this paper, a direct time-domain procedure for the seismic analysis of dam–reservoir–foundation interactions is presented based on the scaled boundary finite element method (SBFEM). The SBFEM is a semi-analytical method and requires the discretization of boundary only. The geometric complexity in...
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| Veröffentlicht in: | Computers and geotechnics 2021-10, Vol.138, p.104364, Article 104364 |
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| creator | Qu, Yanling Chen, Denghong Liu, Lei Ooi, Ean Tat Eisenträger, Sascha Song, Chongmin |
| description | In this paper, a direct time-domain procedure for the seismic analysis of dam–reservoir–foundation interactions is presented based on the scaled boundary finite element method (SBFEM). The SBFEM is a semi-analytical method and requires the discretization of boundary only. The geometric complexity in the bounded dam–reservoir–foundation system is easily handled in the SBFEM using quadtree meshes where each structural component can be discretized independently. The elastic wave fields in the unbounded foundation are rigorously captured through SBFE solutions in terms of displacement unit-impulse response functions, while the acoustic wave propagation in the semi-infinite reservoir is modelled by the SBFE-based doubly asymptotic open boundary. The input of seismic excitations is addressed by incorporating the Domain Reduction Method (DRM) into the SBFEM. Cracks are modelled efficiently and accurately by combining the SBFEM and quadtree meshes. The accuracy and efficiency of the proposed methodology is investigated by studying several benchmarks, Pine Flat dam and Jin’anqiao dam. |
| doi_str_mv | 10.1016/j.compgeo.2021.104364 |
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The SBFEM is a semi-analytical method and requires the discretization of boundary only. The geometric complexity in the bounded dam–reservoir–foundation system is easily handled in the SBFEM using quadtree meshes where each structural component can be discretized independently. The elastic wave fields in the unbounded foundation are rigorously captured through SBFE solutions in terms of displacement unit-impulse response functions, while the acoustic wave propagation in the semi-infinite reservoir is modelled by the SBFE-based doubly asymptotic open boundary. The input of seismic excitations is addressed by incorporating the Domain Reduction Method (DRM) into the SBFEM. Cracks are modelled efficiently and accurately by combining the SBFEM and quadtree meshes. The accuracy and efficiency of the proposed methodology is investigated by studying several benchmarks, Pine Flat dam and Jin’anqiao dam.</description><identifier>ISSN: 0266-352X</identifier><identifier>EISSN: 1873-7633</identifier><identifier>DOI: 10.1016/j.compgeo.2021.104364</identifier><language>eng</language><publisher>New York: Elsevier Ltd</publisher><subject>Acoustic propagation ; Acoustic waves ; Benchmarks ; Dams ; Dam–reservoir–foundation interaction ; Discretization ; Domain reduction method ; Elastic waves ; Finite element analysis ; Finite element method ; Impulse response ; Materials handling ; Procedures ; Reservoirs ; Response functions ; Scaled boundary finite element method ; Seismic analysis ; Sound propagation ; Time domain analysis ; Unbounded domain ; Wave propagation</subject><ispartof>Computers and geotechnics, 2021-10, Vol.138, p.104364, Article 104364</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Oct 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c384t-e10a01efb9779ba228f9289502509088b003bf1aaec2940760b05509f95919783</citedby><cites>FETCH-LOGICAL-c384t-e10a01efb9779ba228f9289502509088b003bf1aaec2940760b05509f95919783</cites><orcidid>0000-0001-8774-9732 ; 0000-0001-7282-017X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.compgeo.2021.104364$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Qu, Yanling</creatorcontrib><creatorcontrib>Chen, Denghong</creatorcontrib><creatorcontrib>Liu, Lei</creatorcontrib><creatorcontrib>Ooi, Ean Tat</creatorcontrib><creatorcontrib>Eisenträger, Sascha</creatorcontrib><creatorcontrib>Song, Chongmin</creatorcontrib><title>A direct time-domain procedure for the seismic analysis of dam–foundation–reservoir systems using the scaled boundary finite element method</title><title>Computers and geotechnics</title><description>In this paper, a direct time-domain procedure for the seismic analysis of dam–reservoir–foundation interactions is presented based on the scaled boundary finite element method (SBFEM). The SBFEM is a semi-analytical method and requires the discretization of boundary only. The geometric complexity in the bounded dam–reservoir–foundation system is easily handled in the SBFEM using quadtree meshes where each structural component can be discretized independently. The elastic wave fields in the unbounded foundation are rigorously captured through SBFE solutions in terms of displacement unit-impulse response functions, while the acoustic wave propagation in the semi-infinite reservoir is modelled by the SBFE-based doubly asymptotic open boundary. The input of seismic excitations is addressed by incorporating the Domain Reduction Method (DRM) into the SBFEM. Cracks are modelled efficiently and accurately by combining the SBFEM and quadtree meshes. The accuracy and efficiency of the proposed methodology is investigated by studying several benchmarks, Pine Flat dam and Jin’anqiao dam.</description><subject>Acoustic propagation</subject><subject>Acoustic waves</subject><subject>Benchmarks</subject><subject>Dams</subject><subject>Dam–reservoir–foundation interaction</subject><subject>Discretization</subject><subject>Domain reduction method</subject><subject>Elastic waves</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Impulse response</subject><subject>Materials handling</subject><subject>Procedures</subject><subject>Reservoirs</subject><subject>Response functions</subject><subject>Scaled boundary finite element method</subject><subject>Seismic analysis</subject><subject>Sound propagation</subject><subject>Time domain analysis</subject><subject>Unbounded domain</subject><subject>Wave propagation</subject><issn>0266-352X</issn><issn>1873-7633</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkM9KHTEUxkNpwVvrIwiBrueaP3cmk1URsSoIbhS6C5nMieZyM7nNyQh35xt00Tfskxgd910dcvJ9H-f7EXLK2Zoz3p1t1y7F_SOktWCC191GdptPZMV7JRvVSfmZrJjouka24tcR-Yq4ZdWne70if87pGDK4QkuI0Iwp2jDRfU4OxjkD9SnT8gQUIWAMjtrJ7g4YkCZPRxv_vfz1aZ5GW0Ka6iMDQn5OIVM8YIGIdMYwPS4Rzu5gpMO7Ph-oD1MoQGEHEaZCI5SnNH4jX7zdIZx8zGPy8PPy_uK6ub27urk4v22c7DelAc4s4-AHrZQerBC916LXLRMt06zvB8bk4Lm14ITeMNWxgbX1y-tWc616eUy-L7m16u8ZsJhtmnMth0a0SjIhlBJV1S4qlxNiBm_2OcR6vOHMvLE3W_PB3ryxNwv76vux-KBWeA6QDboAU2X6ztqMKfwn4RXiHJPW</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Qu, Yanling</creator><creator>Chen, Denghong</creator><creator>Liu, Lei</creator><creator>Ooi, Ean Tat</creator><creator>Eisenträger, Sascha</creator><creator>Song, Chongmin</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/0000-0001-8774-9732</orcidid><orcidid>https://orcid.org/0000-0001-7282-017X</orcidid></search><sort><creationdate>202110</creationdate><title>A direct time-domain procedure for the seismic analysis of dam–foundation–reservoir systems using the scaled boundary finite element method</title><author>Qu, Yanling ; Chen, Denghong ; Liu, Lei ; Ooi, Ean Tat ; Eisenträger, Sascha ; Song, Chongmin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c384t-e10a01efb9779ba228f9289502509088b003bf1aaec2940760b05509f95919783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Acoustic propagation</topic><topic>Acoustic waves</topic><topic>Benchmarks</topic><topic>Dams</topic><topic>Dam–reservoir–foundation interaction</topic><topic>Discretization</topic><topic>Domain reduction method</topic><topic>Elastic waves</topic><topic>Finite element analysis</topic><topic>Finite element method</topic><topic>Impulse response</topic><topic>Materials handling</topic><topic>Procedures</topic><topic>Reservoirs</topic><topic>Response functions</topic><topic>Scaled boundary finite element method</topic><topic>Seismic analysis</topic><topic>Sound propagation</topic><topic>Time domain analysis</topic><topic>Unbounded domain</topic><topic>Wave propagation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qu, Yanling</creatorcontrib><creatorcontrib>Chen, Denghong</creatorcontrib><creatorcontrib>Liu, Lei</creatorcontrib><creatorcontrib>Ooi, Ean Tat</creatorcontrib><creatorcontrib>Eisenträger, Sascha</creatorcontrib><creatorcontrib>Song, Chongmin</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</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>Computers and geotechnics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qu, Yanling</au><au>Chen, Denghong</au><au>Liu, Lei</au><au>Ooi, Ean Tat</au><au>Eisenträger, Sascha</au><au>Song, Chongmin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A direct time-domain procedure for the seismic analysis of dam–foundation–reservoir systems using the scaled boundary finite element method</atitle><jtitle>Computers and geotechnics</jtitle><date>2021-10</date><risdate>2021</risdate><volume>138</volume><spage>104364</spage><pages>104364-</pages><artnum>104364</artnum><issn>0266-352X</issn><eissn>1873-7633</eissn><abstract>In this paper, a direct time-domain procedure for the seismic analysis of dam–reservoir–foundation interactions is presented based on the scaled boundary finite element method (SBFEM). The SBFEM is a semi-analytical method and requires the discretization of boundary only. The geometric complexity in the bounded dam–reservoir–foundation system is easily handled in the SBFEM using quadtree meshes where each structural component can be discretized independently. The elastic wave fields in the unbounded foundation are rigorously captured through SBFE solutions in terms of displacement unit-impulse response functions, while the acoustic wave propagation in the semi-infinite reservoir is modelled by the SBFE-based doubly asymptotic open boundary. The input of seismic excitations is addressed by incorporating the Domain Reduction Method (DRM) into the SBFEM. Cracks are modelled efficiently and accurately by combining the SBFEM and quadtree meshes. 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| subjects | Acoustic propagation Acoustic waves Benchmarks Dams Dam–reservoir–foundation interaction Discretization Domain reduction method Elastic waves Finite element analysis Finite element method Impulse response Materials handling Procedures Reservoirs Response functions Scaled boundary finite element method Seismic analysis Sound propagation Time domain analysis Unbounded domain Wave propagation |
| title | A direct time-domain procedure for the seismic analysis of dam–foundation–reservoir systems using the scaled boundary finite element method |
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