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The research aims to enhance the understanding of how flexible woody vegetation interacts with hydrodynamics.

April 3, 2026Hydrological ProcessesOpen Access

Hydrodynamic Modelling of Flexible Woody Vegetation With Delft3D FM : Implementing Physically‐Based 2D Flow–Vegetation Interaction Processes

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The research aims to enhance the understanding of how flexible woody vegetation interacts with hydrodynamics.
Developed a two-way flow-vegetation interaction process.
Generalized total resistance approach in the hydrodynamic model D-Flow FM.
Conducted 1D simulations to analyze the accuracy of the new model compared to the original rigid plant model.
Validated the new bed shear stress computation for submerged vegetation.
The new model demonstrated 3–7 times higher accuracy than the original model.
Successfully represented varying vegetative states from leafless to densely foliated conditions.
Improved predictions were observed with the inclusion of the von Kármán scaling factor.
The model decreased uncertainty in flow hydraulics, enhancing understanding of hydrological processes.

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Improves flow-vegetation interaction modeling in riparian ecosystems, enhancing predictions.

Västilä et al. (2026) studied this question.

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