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Computational Fluid Dynamics and Modeling for Hydraulic Engineering

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 20 April 2025 | Viewed by 448

Special Issue Editors


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Guest Editor
Department of Civil Engineering, Kunsan National University, Gunsan-si 54150, Republic of Korea
Interests: river/flood hydraulic analysis; coastal engineering

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Guest Editor
Department of Civil Engineering, Seoul National University of Science and Technology, 232 Gongreung-Ro, Nowon-Gu, Seoul 01811, Republic of Korea
Interests: river hydraulic modeling
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Forecast Research Department, National Institute of Meteorological Sciences, Seogwipo-si 63568, Republic of Korea
Interests: wave models; hydraulic modeling

Special Issue Information

Dear Colleagues,

This Special Issue explores the latest innovations and applications of computational fluid dynamics (CFD) and modeling within the field of hydraulic engineering. CFD technology is essential for solving complex fluid flow problems and is a key tool for understanding fluid dynamics and interactions in hydraulic engineering. This Special Issue will cover the latest CFD techniques, modeling approaches, and practical applications in hydraulic engineering problems.

Objectives:

  • To analyze the latest developments in CFD and modeling within hydraulic engineering;
  • To present case studies showcasing new CFD techniques and modeling methods;
  • To evaluate the effectiveness of CFD in solving hydraulic engineering problems and suggest future research directions.

Topics of Interest:

  • Recent advancements in CFD techniques applied to hydraulic engineering;
  • Modeling approaches for multiphase fluid flows;
  • Fluid dynamic analysis of hydraulic structures;
  • Flood prediction and management using CFD;
  • Numerical modeling of complex river and channel flows;
  • Coastal engineering applications of CFD, such as wave–structure interactions and coastal erosion modeling.

Dr. Hyung Suk Kim
Dr. Inhwan Park
Dr. Pilhun Chang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • computational fluid dynamics (CFD)
  • hydraulic engineering
  • fluid flow modeling
  • coastal engineering
  • wave–structure interactions
  • flood prediction
  • numerical modeling
  • hydraulic Structures
  • multiphase flow

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Published Papers (1 paper)

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Research

18 pages, 58403 KiB  
Article
Modeling and Simulation of Standing Wave Configurations for Outflow Improvement and Minimizing Undesired Recirculation
by Julien Schwalbe, Bogac Tur, Stefan Kniesburges, Nicolas Neuss, Michael Stingl, Thorsten Keck, Joachim Buff and Michael Döllinger
Appl. Sci. 2025, 15(6), 3127; https://doi.org/10.3390/app15063127 - 13 Mar 2025
Viewed by 203
Abstract
River surfing has evolved from natural rivers to artificial standing waves, like the Fuchslochwelle in Nuremberg, where optimizing wave quality and safety remains a challenge. Key issues include recirculation zones that pose risks, particularly at higher inflows. This study addresses safety and performance [...] Read more.
River surfing has evolved from natural rivers to artificial standing waves, like the Fuchslochwelle in Nuremberg, where optimizing wave quality and safety remains a challenge. Key issues include recirculation zones that pose risks, particularly at higher inflows. This study addresses safety and performance improvements by introducing geometric modifications to reduce recirculation zones. Using STAR-CCM+ simulations, 16 configurations of baffles and inlays were analyzed. A 3D-CAD model of the Fuchslochwelle was developed to test symmetrical and asymmetrical configurations, focusing on reducing vorticity. Results showed that baffles placed 2 m from the inlay reduced recirculation zones by over 50%. Asymmetrical setups, combining wall and inlay baffles, also proved effective. Following simulations, a baffle was installed at 3 m, enhancing safety and quality. Previously, inflows above 7.5 m3/s caused dangerous backflow, requiring surfers to swim or dive to escape turbulence. With the baffle, safe operation increased to 9 m3/s, a 20% improvement, making the system suitable for surfers of all skill levels. These finding provide a novel approach to enhancing flow dynamics, applicable to a wide range of artificial standing waves. The valuable insights gained enable operators to optimize the dynamics and accessibility through geometric modifications while ensuring safety for users. Full article
(This article belongs to the Special Issue Computational Fluid Dynamics and Modeling for Hydraulic Engineering)
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