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    Time Integration Method with High Accuracy and Efficiency for Structural Dynamic Analysis

    Source: Journal of Engineering Mechanics:;2019:;Volume ( 145 ):;issue: 003
    Author:
    Peng Yuan; Dejian Li; C. S. Cai; Guoji Xu
    DOI: 10.1061/(ASCE)EM.1943-7889.0001574
    Publisher: American Society of Civil Engineers
    Abstract: In this study, a novel composite time integration method is proposed for more accurately and efficiently solving typical structural dynamic problems. In this method, the second-order accuracy is ensured for dynamic problems. First, the stability, accuracy properties, local truncation error, and global error are analyzed and compared with available state-of-the-art methods in the literature. Then, three sets of parameters are recommended and discussed, and optimization of these parameters results in a high accuracy and efficiency of the proposed method. Finally, three classical examples with high-frequency vibrations, where a large ratio of the time step size to the period is adopted, are presented to demonstrate the accuracy, efficiency, and applicability of the proposed method.
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      Time Integration Method with High Accuracy and Efficiency for Structural Dynamic Analysis

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4254856
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    contributor authorPeng Yuan; Dejian Li; C. S. Cai; Guoji Xu
    date accessioned2019-03-10T12:05:49Z
    date available2019-03-10T12:05:49Z
    date issued2019
    identifier other%28ASCE%29EM.1943-7889.0001574.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4254856
    description abstractIn this study, a novel composite time integration method is proposed for more accurately and efficiently solving typical structural dynamic problems. In this method, the second-order accuracy is ensured for dynamic problems. First, the stability, accuracy properties, local truncation error, and global error are analyzed and compared with available state-of-the-art methods in the literature. Then, three sets of parameters are recommended and discussed, and optimization of these parameters results in a high accuracy and efficiency of the proposed method. Finally, three classical examples with high-frequency vibrations, where a large ratio of the time step size to the period is adopted, are presented to demonstrate the accuracy, efficiency, and applicability of the proposed method.
    publisherAmerican Society of Civil Engineers
    titleTime Integration Method with High Accuracy and Efficiency for Structural Dynamic Analysis
    typeJournal Paper
    journal volume145
    journal issue3
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)EM.1943-7889.0001574
    page04019008
    treeJournal of Engineering Mechanics:;2019:;Volume ( 145 ):;issue: 003
    contenttypeFulltext
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