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3D Modeling and Mechanism Analysis of Breaking Wave-Induced Seabed Scour around Monopile
المؤلفون المشاركون
Liu, Xiaojian
Liu, Cheng
Zhu, Xiaowei
He, Yong
Wang, Qisong
Wu, Zhiyuan
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-17، 17ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-03-17
دولة النشر
مصر
عدد الصفحات
17
التخصصات الرئيسية
الملخص EN
Breaking wave-induced scour is recognized as one of the major causes of coastal erosion and offshore structure failure, which involves in the full 3D water-air-sand interaction, raising a great challenge for the numerical simulation.
To better understand this process, a nonlinear 3D numerical model based on the open-source CFD platform OpenFOAM® was self-developed in this study.
The Navier–Stokes equations were used to compute the two-phase incompressible flow, combining with the finite volume method (FVM) to discretize calculation domain, a modified VOF method to track the free surface, and a k−ε model to closure the turbulence.
The nearshore sediment transport process is reproduced in view of shear stress, suspended load, and bed load, in which the terms of shear stress and suspended load were updated by introducing volume fraction.
The seabed morphology is updated based on Exner equation and implemented by dynamic mesh technique.
The mass conservative sand slide algorithm was employed to avoid the incredible vary of the bed mesh.
Importantly, a two-way coupling method connecting the hydrodynamic module with the beach morphodynamic module is implemented at each computation step to ensure the fluid-sediment interaction.
The capabilities of this model were calibrated by laboratory data from some published references, and the advantages/disadvantages, as well as proper recommendations, were introduced.
Finally, nonbreaking- and breaking wave-induced scour around the monopile, as well as breaking wave-induced beach evolution, were reproduced and discussed.
This study would be significantly helpful to understand and evaluate the nearshore sediment transport.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Liu, Xiaojian& Liu, Cheng& Zhu, Xiaowei& He, Yong& Wang, Qisong& Wu, Zhiyuan. 2020. 3D Modeling and Mechanism Analysis of Breaking Wave-Induced Seabed Scour around Monopile. Mathematical Problems in Engineering،Vol. 2020, no. 2020, pp.1-17.
https://search.emarefa.net/detail/BIM-1193368
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Liu, Xiaojian…[et al.]. 3D Modeling and Mechanism Analysis of Breaking Wave-Induced Seabed Scour around Monopile. Mathematical Problems in Engineering No. 2020 (2020), pp.1-17.
https://search.emarefa.net/detail/BIM-1193368
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Liu, Xiaojian& Liu, Cheng& Zhu, Xiaowei& He, Yong& Wang, Qisong& Wu, Zhiyuan. 3D Modeling and Mechanism Analysis of Breaking Wave-Induced Seabed Scour around Monopile. Mathematical Problems in Engineering. 2020. Vol. 2020, no. 2020, pp.1-17.
https://search.emarefa.net/detail/BIM-1193368
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1193368
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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