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    Extended Method of Characteristics for Inverse Hydraulic Transient Modeling Using Sensor Data

    Source: Journal of Hydraulic Engineering:;2025:;Volume ( 151 ):;issue: 004::page 04025017-1
    Author:
    Jiawei Ye
    ,
    Martin Lambert
    ,
    Wei Zeng
    ,
    Nhu Cuong Do
    DOI: 10.1061/JHEND8.HYENG-14239
    Publisher: American Society of Civil Engineers
    Abstract: Hydraulic transient modeling is a critical tool for analyzing and managing pipeline systems. However, its practical application is often hindered by the need for precise boundary conditions and uncertainties in pipeline properties, initial conditions, and measurements. To address these challenges, this paper proposed the Extended Method of Characteristics (EMOC), an inverse transient modeling that integrates observed pressure or flow data into transient models, enabling accurate reconstruction of hydraulic states without predefined boundary conditions. By leveraging additional sensor data and a marching scheme, EMOC can inversely infer the unknown boundary conditions and efficiently solve transient scenarios. The effectiveness and accuracy of the proposed method in both single pipelines and pipe network systems were validated through numerical simulations and laboratory experiments. The EMOC accurately reconstructed transient pressures and flows under various uncertainties, such as errors in initial conditions, pipe parameters, wave damping, and measurements, indicating its robustness. The successful transient reconstruction in a subnetwork system (separated from a larger pipe network) highlights EMOC’s superiority in such scenarios where conventional methods may struggle due to unknown conditions at boundaries and connections.
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      Extended Method of Characteristics for Inverse Hydraulic Transient Modeling Using Sensor Data

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    contributor authorJiawei Ye
    contributor authorMartin Lambert
    contributor authorWei Zeng
    contributor authorNhu Cuong Do
    date accessioned2025-08-17T22:47:43Z
    date available2025-08-17T22:47:43Z
    date copyright7/1/2025 12:00:00 AM
    date issued2025
    identifier otherJHEND8.HYENG-14239.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4307460
    description abstractHydraulic transient modeling is a critical tool for analyzing and managing pipeline systems. However, its practical application is often hindered by the need for precise boundary conditions and uncertainties in pipeline properties, initial conditions, and measurements. To address these challenges, this paper proposed the Extended Method of Characteristics (EMOC), an inverse transient modeling that integrates observed pressure or flow data into transient models, enabling accurate reconstruction of hydraulic states without predefined boundary conditions. By leveraging additional sensor data and a marching scheme, EMOC can inversely infer the unknown boundary conditions and efficiently solve transient scenarios. The effectiveness and accuracy of the proposed method in both single pipelines and pipe network systems were validated through numerical simulations and laboratory experiments. The EMOC accurately reconstructed transient pressures and flows under various uncertainties, such as errors in initial conditions, pipe parameters, wave damping, and measurements, indicating its robustness. The successful transient reconstruction in a subnetwork system (separated from a larger pipe network) highlights EMOC’s superiority in such scenarios where conventional methods may struggle due to unknown conditions at boundaries and connections.
    publisherAmerican Society of Civil Engineers
    titleExtended Method of Characteristics for Inverse Hydraulic Transient Modeling Using Sensor Data
    typeJournal Article
    journal volume151
    journal issue4
    journal titleJournal of Hydraulic Engineering
    identifier doi10.1061/JHEND8.HYENG-14239
    journal fristpage04025017-1
    journal lastpage04025017-13
    page13
    treeJournal of Hydraulic Engineering:;2025:;Volume ( 151 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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