• Login
    View Item 
    •   Home
    • Research
    • Conference Papers
    • View Item
    •   Home
    • Research
    • Conference Papers
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    All of KAUSTCommunitiesIssue DateSubmit DateThis CollectionIssue DateSubmit Date

    My Account

    Login

    Quick Links

    Open Access PolicyORCID LibguideTheses and Dissertations LibguideSubmit an Item

    Statistics

    Display statistics

    Time-domain full waveform inversion using the gradient preconditioning based on seismic wave energy: Application to the South China Sea

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Thumbnail
    Name:
    igc2017-113.pdf
    Size:
    920.0Kb
    Format:
    PDF
    Description:
    Main article
    Download
    Type
    Conference Paper
    Authors
    Mengxuan, Zhong
    Jun, Tan
    Peng, Song
    Xiao-bo, Zhang
    Chuang, Xie
    Zhao-lun, Liu
    KAUST Department
    King Abdullah University of Science and Technology
    Date
    2017-05-31
    Online Publication Date
    2017-05-31
    Print Publication Date
    2017-05-31
    Permanent link to this record
    http://hdl.handle.net/10754/624889
    
    Metadata
    Show full item record
    Abstract
    The gradient preconditioning algorithms based on Hessian matrices in time-domain full waveform inversion (FWI) are widely used now, but consume a lot of memory and do not fit the FWI of large models or actual seismic data well. To avoid the huge storage consumption, the gradient preconditioning approach based on seismic wave energy has been proposed it simulates the “approximated wave field” with the acoustic wave equation and uses the energy of the simulated wavefield to precondition the gradient. The method does not require computing and storing the Hessian matrix or its inverse and can effectively eliminate the effect caused by geometric diffusion and uneven illumination on gradient. The result of experiments in this article with field data from South China Sea confirms that the time-domain FWI using the gradient preconditioning based on seismic wave energy (GPWE) can achieve higher inversion accuracy for the deep high-velocity model and its underlying strata.
    Citation
    Mengxuan Z, Jun* T, Peng S, Xiao-bo Z, Chuang X, et al. (2017) Time-domain full waveform inversion using the gradient preconditioning based on seismic wave energy: Application to the South China Sea. International Geophysical Conference, Qingdao, China, 17-20 April 2017. Available: http://dx.doi.org/10.1190/igc2017-113.
    Publisher
    Society of Exploration Geophysicists
    Journal
    International Geophysical Conference, Qingdao, China, 17-20 April 2017
    DOI
    10.1190/igc2017-113
    Additional Links
    http://library.seg.org/doi/10.1190/IGC2017-113
    ae974a485f413a2113503eed53cd6c53
    10.1190/igc2017-113
    Scopus Count
    Collections
    Conference Papers

    entitlement

     
    DSpace software copyright © 2002-2022  DuraSpace
    Quick Guide | Contact Us | KAUST University Library
    Open Repository is a service hosted by 
    Atmire NV
     

    Export search results

    The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

    By default, clicking on the export buttons will result in a download of the allowed maximum amount of items. For anonymous users the allowed maximum amount is 50 search results.

    To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

    After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.