Water Pollution in the Meandering River, Ansys Fluent CFD Simulation Training

$240.00 Student Discount

  • The problem numerically simulates Water Pollution in the Meandering River using ANSYS Fluent software.
  • We design the 3-D model by the Design Modeler software.
  • We Mesh the model by ANSYS Meshing software, and the element number equals 762433.
  • We use the VOF Multi-Phase Model to define water and air.
  • We use the Open Channel option to define the free surface flow.


Special Offers For Single Product

If you need the Geometry designing and Mesh generation training video for one product, you can choose this option.
If you need expert consultation through the training video, this option gives you 1-hour technical support.
The journal file in ANSYS Fluent is used to record and automate simulations for repeatability and batch processing.
editable geometry and mesh allows users to create and modify geometry and mesh to define the computational domain for simulations.
The case and data files in ANSYS Fluent store the simulation setup and results, respectively, for analysis and post-processing.
Geometry, Mesh, and CFD Simulation methodologygy explanation, result analysis and conclusion
The MR CFD certification can be a valuable addition to a student resume, and passing the interactive test can demonstrate a strong understanding of CFD simulation principles and techniques related to this product.



The present problem simulates the pollution of the meandering river using ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.

Water pollution is the contamination of water bodies, usually due to human activities, in such a manner that negatively affects its legitimate uses.

Pollution prevents the body of water from providing the ecosystem services it would otherwise provide. Water pollution can be classified as surface water pollution or groundwater pollution.

The present model is designed in three dimensions using the Design Modeler software. The river’s width at the inlet is 14.035 m, and the pollutant inlet has two circular profiles with a diameter of 3 m.

The meshing of the model was done using ANSYS Meshing software. The element number is equal to 762433. Also, due to the nature of the present problem, the transient solver has been enabled.

River Methodology

This project uses the VOF multi-phase model to simulate and solve the two-phase flow field equations. Furthermore, to simulate the free surface of the river, the open channel option within the multi-phase module has been enabled.

Pollutant enters the river from two circular inlet profiles somewhere at the beginning of the river, and it diffuses into the water. Due to its density being lower than water density, pollutants cause the river’s surface to be polluted, and because of the water flow, pollution moves along the river.

The K-epsilon Realizable viscous model with scalable wall function has been used to solve the turbulent flow equations. The pressure-velocity coupling scheme is SIMPLE. The second-order upwind discretization method has been used for Momentum, and the first-order upwind discretization method has been used for Turbulent kinetic energy and Turbulent dissipation rate.

Moreover, the water enters the domain through the inlet boundary with 35m/s while the pollutant enters the river with 5m/s.

River Conclusion

After the solution process is completed, contours of velocity, pressure, pollutant volume fraction, Water volume fraction, Eddy viscosity, and streamline are extracted and presented in different time steps.

As can be seen, the pollutant enters the river from two circular inlet profiles and diffuses through time into the river’s surface. Due to the water flow, pollution spreads through the river’s surface and causes massive river pollution.


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