Dynamic Mesh For Wavy Foil CFD Simulation, ANSYS Fluent Training

  • Upon ordering this product, you will be provided with a geometry file, a mesh file, and an in-depth Training Video that offers a step-by-step training on the simulation process.
  • For any more inquiries regarding the product, please do not hesitate to reach out to us at info@CFDLAND.com or through our online support assistant.

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Description

Title: Dynamic Mesh For Wavy Foil CFD Simulation, ANSYS Fluent Training

The research on dynamic mesh for wavy foil modeling is a big step forward in understanding the complicated hydrodynamics of how fish move and school. This method, based on the reference paper titled ” Characteristics of flow over traveling wavy foils in a side-by-side arrangement,” is a powerful way to examine the complicated flow patterns linked to swimming in waves. The dynamic mesh method gives a more accurate picture of how the fluid interacts with the structure.

Schematic of the current configuration, adopted from reference paper

Figure 1: Schematic of the current configuration, adopted from reference paper

 

Simulation Process

After designing the wavy foil geometry, it was discretized into 36356 cells, with a focus on the nearest regions to the foil, using ANSYS Meshing. The wavy foil stands for the fish body placed in water. As the project`s title suggests, the utilization of Dynamic Mesh method is inevitable to model wavy motion of the rigid body. This wavy motion requires a well-written User-defined Function (UDF). Interestingly, only the Smoothing technique could handle the element’s deformation, showcasing lower computational cost.

Grid generation around wavy foil (Dynamic Mesh)

Figure 2: Grid generation around wavy foil (Dynamic Mesh)

 

Post-processing

The dynamic mesh simulation of the wavy foil shows a fascinating and complicated water world. The pressure contour shows a clear area of low pressure at the trailing edge, which means a vortex is forming, and areas of high pressure along the foil’s sides. This spread of pressure creates lift and push forces necessary for moving forward. The velocity contour gives us more information about how the water moves around the wavy foil. It depicts a clear wake pattern behind the foil, with areas of high velocity (red and orange) and low velocity (blue). This wake structure shows vortex shedding, which is an essential part of making the lift. The fastest speeds are seen near the foil’s trailing edge, which suggests that motion is effectively transferred to the fluid. The slow speed difference between the foil and the freestream makes seeing a border layer on the foil’s surface possible. Asymmetry in the velocity field above and below the foil strengthens the lift.

FAQ

We pride ourselves on presenting unique products at CFDLAND. We stand out for our scientific rigor and validity. Our products are not based on guesswork or theoretical assumptions like many others. Instead, most of our products are validated using experimental or numerical data from valued scientific journals. Even if direct validation isn’t possible, we build our models and assumptions on the latest research, typically using reference articles to approximate reality.

Yes, we’ll be here . If you have trouble loading files, having technical problems, or have any questions about how to use our products, our technical support team is here to help.

You can load geometry and mesh files, as well as case and data files, using any version of ANSYS Fluent.

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