Typical hydrodynamic models for aquaculture nets: A comparative study under pure current conditions

Scaling strategies for multi-purpose floating structures physical modeling: state of art and new perspectives

“…It is hence useful to refer to numerical methods for the modeling hydrodynamic forces, which may be of Morison-type or screen-type [168]. The former approach (Eq.…”

An integrated approach for monitoring structural deformation of aquaculture net cages

“…The experimentally based screen type of force model proposed by Kristiansen and Faltinsen (2012) is used to calculate the hydrodynamic, viscous forces acting on the net. The screen force model was originally developed for steady flow, and it was shown to give clear improvements in calculating the drag and lift forces on the net cages in current as compared with a Morison type of force model (Cheng et al, 2020).…”

An Integrated Approach to Modelling Fish Cage Response in the Flow

“…3b). Compared with the normal force component F N , the frictional force in the tangential direction is minor Cheng et al (2020); Moe-Føre et al (2016), and thus was neglected. The magnitude of F N was calculated by Eq.…”

“…Although observation of fish cage deformation based on sensor data can be reliable and real-time updating can be achieved via wireless transmission, acoustic transmitters can only provide position data where they locate, and pressure tags only provide depth information. Compared with the real measurement, numerical simulations can predict cage shapes in detail, but the accuracy of simulation results is strongly dependent on the selection of hydrodynamic parameters and validity ranges of numerical models Gansel et al (2018); Cheng et al (2020); Moe-Føre et al (2015). Besides, fish cages at farm sites experience complex interactions with environmental and biological factors, such as dramatic flow field changes in fish cages at high flow speed Gansel et al (2012Gansel et al ( , 2014, different physical properties between wet and dry cage net Moe et al (2010), and biological influences such as biofouling accumulation Gansel et al (2017); Fitridge et al (2012) and the fish inside the cage He et al (2018).…”