Normally incident wave propagation across a joint set with the virtual wave source method
This paper presents an analytical study on normally incident wave propagation across a joint set. Combined with the displacement discontinuity method (DDM), the virtual wave source method (VWSM) is adopted to take account of multiple wave reflections among joints. After theoretical formulation, a co...
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Veröffentlicht in: | Journal of applied geophysics 2011-03, Vol.73 (3), p.283-288 |
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creator | Zhu, J.B. Zhao, X.B. Li, J.C. Zhao, G.F. Zhao, J. |
description | This paper presents an analytical study on normally incident wave propagation across a joint set. Combined with the displacement discontinuity method (DDM), the virtual wave source method (VWSM) is adopted to take account of multiple wave reflections among joints. After theoretical formulation, a comparison between results from VWSM and those from the method of characteristics (MC) is carried out. These results agree well with each other, and the applicability of VWSM into wave propagation study is verified. Subsequently, an interesting phenomenon, i.e., the magnitude of transmission coefficient increases with joint number on some circumstances, is pointed out and studied. By analyzing differently arriving transmitted waves and their superposition, such phenomenon is explained.
► A modified virtual wave source method is introduced and validated. ► The modified method has several advantages. ► Wave propagation through jointed rock masses is studied. ► An “abnormal” phenomenon is pointed out and explained. |
doi_str_mv | 10.1016/j.jappgeo.2011.01.012 |
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► A modified virtual wave source method is introduced and validated. ► The modified method has several advantages. ► Wave propagation through jointed rock masses is studied. ► An “abnormal” phenomenon is pointed out and explained.</description><identifier>ISSN: 0926-9851</identifier><identifier>EISSN: 1879-1859</identifier><identifier>DOI: 10.1016/j.jappgeo.2011.01.012</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Applied geophysics ; Discontinuity ; Displacement ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Formulations ; Geophysics ; Incident waves ; Internal geophysics ; Mathematical analysis ; Method of characteristics ; Rock joints ; Transmission coefficient ; Virtual wave source method ; Wave propagation ; Wave reflection</subject><ispartof>Journal of applied geophysics, 2011-03, Vol.73 (3), p.283-288</ispartof><rights>2011 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a427t-5e591b714cb0f696cca424b69e2f261d4c0bb68ed8c6f3999f5d88ce444f6c613</citedby><cites>FETCH-LOGICAL-a427t-5e591b714cb0f696cca424b69e2f261d4c0bb68ed8c6f3999f5d88ce444f6c613</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jappgeo.2011.01.012$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24030266$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhu, J.B.</creatorcontrib><creatorcontrib>Zhao, X.B.</creatorcontrib><creatorcontrib>Li, J.C.</creatorcontrib><creatorcontrib>Zhao, G.F.</creatorcontrib><creatorcontrib>Zhao, J.</creatorcontrib><title>Normally incident wave propagation across a joint set with the virtual wave source method</title><title>Journal of applied geophysics</title><description>This paper presents an analytical study on normally incident wave propagation across a joint set. Combined with the displacement discontinuity method (DDM), the virtual wave source method (VWSM) is adopted to take account of multiple wave reflections among joints. After theoretical formulation, a comparison between results from VWSM and those from the method of characteristics (MC) is carried out. These results agree well with each other, and the applicability of VWSM into wave propagation study is verified. Subsequently, an interesting phenomenon, i.e., the magnitude of transmission coefficient increases with joint number on some circumstances, is pointed out and studied. By analyzing differently arriving transmitted waves and their superposition, such phenomenon is explained.
► A modified virtual wave source method is introduced and validated. ► The modified method has several advantages. ► Wave propagation through jointed rock masses is studied. ► An “abnormal” phenomenon is pointed out and explained.</description><subject>Applied geophysics</subject><subject>Discontinuity</subject><subject>Displacement</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Formulations</subject><subject>Geophysics</subject><subject>Incident waves</subject><subject>Internal geophysics</subject><subject>Mathematical analysis</subject><subject>Method of characteristics</subject><subject>Rock joints</subject><subject>Transmission coefficient</subject><subject>Virtual wave source method</subject><subject>Wave propagation</subject><subject>Wave reflection</subject><issn>0926-9851</issn><issn>1879-1859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkEFP4zAQhS3ESpQuPwHJFwSXFNtxHPuEEIIFCe1elgMny3Em1FEaB9vtqv8ed1txBGlkS57vzfM8hM4pWVBCxXW_6M00vYFfMELpguyKHaEZlbUqqKzUMZoRxUShZEVP0GmMPSGEloTP0OtvH1ZmGLbYjda1MCb8z2wAT8FP5s0k50dsbPAxYoN773I_QmZcWuK0BLxxIa3NsBdFvw4W8ArS0rc_0Y_ODBHODvccvTzc_717LJ7__Hq6u30uDGd1KiqoFG1qym1DOqGEtfmdN0IB65igLbekaYSEVlrRlUqprmqltMA574QVtJyjy_3c_OX3NcSkVy5aGAYzgl9HLQWrJc9HJq--JKmoaSWEKMuMVnv0_-oBOj0FtzJhqynRu9B1rw-h613omuyKZd3FwcJEa4YumJxq_BQzTkrCssMc3ew5yMlsHAQdrYPRQusC2KRb775x-gDbMJsn</recordid><startdate>20110301</startdate><enddate>20110301</enddate><creator>Zhu, J.B.</creator><creator>Zhao, X.B.</creator><creator>Li, J.C.</creator><creator>Zhao, G.F.</creator><creator>Zhao, J.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20110301</creationdate><title>Normally incident wave propagation across a joint set with the virtual wave source method</title><author>Zhu, J.B. ; Zhao, X.B. ; Li, J.C. ; Zhao, G.F. ; Zhao, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a427t-5e591b714cb0f696cca424b69e2f261d4c0bb68ed8c6f3999f5d88ce444f6c613</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Applied geophysics</topic><topic>Discontinuity</topic><topic>Displacement</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Formulations</topic><topic>Geophysics</topic><topic>Incident waves</topic><topic>Internal geophysics</topic><topic>Mathematical analysis</topic><topic>Method of characteristics</topic><topic>Rock joints</topic><topic>Transmission coefficient</topic><topic>Virtual wave source method</topic><topic>Wave propagation</topic><topic>Wave reflection</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, J.B.</creatorcontrib><creatorcontrib>Zhao, X.B.</creatorcontrib><creatorcontrib>Li, J.C.</creatorcontrib><creatorcontrib>Zhao, G.F.</creatorcontrib><creatorcontrib>Zhao, J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied geophysics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhu, J.B.</au><au>Zhao, X.B.</au><au>Li, J.C.</au><au>Zhao, G.F.</au><au>Zhao, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Normally incident wave propagation across a joint set with the virtual wave source method</atitle><jtitle>Journal of applied geophysics</jtitle><date>2011-03-01</date><risdate>2011</risdate><volume>73</volume><issue>3</issue><spage>283</spage><epage>288</epage><pages>283-288</pages><issn>0926-9851</issn><eissn>1879-1859</eissn><abstract>This paper presents an analytical study on normally incident wave propagation across a joint set. Combined with the displacement discontinuity method (DDM), the virtual wave source method (VWSM) is adopted to take account of multiple wave reflections among joints. After theoretical formulation, a comparison between results from VWSM and those from the method of characteristics (MC) is carried out. These results agree well with each other, and the applicability of VWSM into wave propagation study is verified. Subsequently, an interesting phenomenon, i.e., the magnitude of transmission coefficient increases with joint number on some circumstances, is pointed out and studied. By analyzing differently arriving transmitted waves and their superposition, such phenomenon is explained.
► A modified virtual wave source method is introduced and validated. ► The modified method has several advantages. ► Wave propagation through jointed rock masses is studied. ► An “abnormal” phenomenon is pointed out and explained.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jappgeo.2011.01.012</doi><tpages>6</tpages></addata></record> |
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subjects | Applied geophysics Discontinuity Displacement Earth sciences Earth, ocean, space Exact sciences and technology Formulations Geophysics Incident waves Internal geophysics Mathematical analysis Method of characteristics Rock joints Transmission coefficient Virtual wave source method Wave propagation Wave reflection |
title | Normally incident wave propagation across a joint set with the virtual wave source method |
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