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A Mathematical Model for Wind Velocity Field Reconstruction and Visualization Taking into Account the Topography
Guzel Khayretdinova1,2, Christian Gout1,2,3
1National Institute for Applied Sciences (INSA Rouen Normandie), Laboratoire de Mathématiques de l'INSA, LMI-UR 3226, 76000 Rouen, France.
This study introduces a new method for approximating vector fields, like wind and marine currents, using Hilbert space energy minimization. The approach incorporates data fidelity, smoothing, and topographic effects for enhanced accuracy and visualization.
Area of Science:
- Geosciences
- Applied Mathematics
- Computational Physics
Background:
- Accurate modeling of vector fields, such as wind velocity and marine currents, is crucial for various scientific and engineering applications.
- Existing vector field approximation methods often lack comprehensive consideration of real-world complexities like topography.
Purpose of the Study:
- To develop a global modeling approach for vector field approximation from discrete vector data.
- To enhance the accuracy of vector field approximation by incorporating data fidelity and smoothing terms.
- To account for topographic effects in wind velocity field modeling and propose a visualization method.
Main Methods:
- Global modeling using energy functional minimization in a Hilbert space.
- Incorporation of a fidelity criterion to the data and a smoothing term within the energy functional.
- Discretization of the continuous problem via the finite elements method.
- Inclusion of topographic effects and visualization using a free library.
Main Results:
- A novel global modeling framework for vector field approximation was established.
- The proposed method effectively balances data fidelity with field smoothing.
- Topographic effects were successfully integrated into the wind velocity field approximation.
- A visualization component was developed using a free library, enhancing model utility.
Conclusions:
- The developed model provides a robust and accurate method for vector field approximation.
- The inclusion of topographic effects and visualization offers significant advantages over existing models.
- This approach has potential applications in meteorology, oceanography, and other fields requiring vector field analysis.
Related Concept Videos
Methods of Obtaining Topography
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Typical Model Studies
Bernoulli's Equation for Flow Along a Streamline
Topographic Surveying and Contours

