Interdisciplinary design of a fish ramp using migration routes analysis

Novak, Gorazd (author), Pengal, Polona (author), Silva, Ana T. (author), Dominguez, Jose Manuel (author), Tafuni, Angelo (author), Četina, Matjaž (author), Žagar, Dušan (author)

The study presents several steps of a fish ramp geometry optimization performed with a 3D numerical model DualSPHysics, which is based on the smoothed particle hydrodynamics (SPH) method. The optimization process led to the design of a bottom ramp that is capable of providing suitable conditions for the migration of target fish species (Salmo truta, Phoxinus phoxinus, Cottus gobio, and Eudontomyzon vladykovi). Migration routes were determined as complex 3D volumes of fluid according to the simulated velocity field in various steady flow conditions. Including three categories of potential migration zones (rest, effort, and limit zones), migration routes were quantified in high detail in terms of the size and position of each zone, and in terms of the distance from a given fluid part to the nearest rest zone. The interdisciplinary approach of this study also led to the development of new tools for the DualSPHysics model, specifically suited to improve functionality in eco-hydraulics research.

• Language: English
• Keywords: fishway, river restoration, smoothed particle hydrodynamics, DualSPHysics, ramp
• Work type: Article
• Typology: 1.01 - Original Scientific Article
• Organization: FGG - Faculty of Civil and Geodetic Engineering
• Publication status: Published
• Publication version: Version of Record
• Year: 2023
• Number of pages: 12 str.
• Numbering: Vol. 475, art. 110189
• PID: 20.500.12556/RUL-143810
• UDC: 626/627
• ISSN on article: 0304-3800
• DOI: 10.1016/j.ecolmodel.2022.110189
• COBISS.SI-ID: 128315139
• Publication date in RUL: 12.01.2023

Record is a part of a journal

• Title: Ecological modelling
• Shortened title: Ecol. model.
• Publisher: Elsevier
• ISSN: 0304-3800
• COBISS.SI-ID: 26792960

Licences

• License: CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
• Link: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Description: The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

Secondary language

• Language: Slovenian
• Keywords: ribja steza, renaturacija rek, hidrodinamika zglajenih delcev, DualSPHysics