Falling Objects into Water Simulation, Dynamic Mesh, ANSYS Fluent Training

$160.00 Student Discount

  • The problem numerically simulates the Falling Objects into Water using ANSYS Fluent software.
  • We design the 2-D model by the Design Modeler software.
  • We Mesh the model by ANSYS Meshing software, and the element number equals 8727.
  • We perform this simulation as unsteady (Transient).
  • We use Dynamic Mesh to apply mesh changes over time.
  • We use a UDF is used to define cubes’ motion toward the water surface.
  • We use the VOF Multi-Phase model to define water and air.


Click on Add To Cart and obtain the Geometry file, Mesh file, and a Comprehensive ANSYS Fluent Training Video. By the way, You can pay in installments through Klarna, Afterpay (Clearpay), and Affirm.

If you decide to use PayPal to pay, you will get a 5% discount on your order.

To Order Your Project or benefit from a CFD consultation, contact our experts via email ([email protected]), online support tab, or WhatsApp at +44 7443 197273.

There are some Free Products to check our service quality.

If you want the training video in another language instead of English, ask it via [email protected] after you buy the product.

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.



In this project, the fluid flow around two cubes falling into the water by the dynamic mesh method is simulated by ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.

The present model is designed in two dimensions using Design Modeler software. Two cubes are placed inside a square domain and are supposed to fall into the fluid due to gravity acceleration.

The meshing of the model has been done using ANSYS Meshing software. Moreover, the element number is 8727.

Also, the transient solver has been enabled due to the dynamic mesh option.

Falling Objects Methodology

In problems where the location and shape of mesh cells change, it is mandatory to use the dynamic mesh model to prevent the extreme deterioration of elements’ quality.

Smoothing and remeshing methods create higher-quality elements when the previous ones may cause errors and are no longer useful to perform calculations with.

Two cubes are initially assumed to be kept still in the air, and when the simulation process starts, they will fall to collide with the free surface of water and air. As mentioned, the VOF Multiphase model option can simulate the two phases of water and air.

Furthermore, a UDF is used to impose cubes’ motion toward the water surface based on gravitational acceleration. Finally, the standard k-epsilon model is used to solve the turbulent fluid equations.

Falling Objects Conclusion

At the end of the solution process, two-dimensional contours related to the velocity, pressure, turbulent viscosity, and streamlines inside the computational domain are obtained.

As can be seen from the contours, due to the cubes’ movement and the sloshing phenomenon, the pressure along the cubes’ movement length has increased.

The pressure in the sharp corner of the tank and the cubes has its maximum value and a minimum value in the cubes’ vertical lengths (due to the separation of the flow because of the cubes’ movement in the fluid).

The kinetic energy contour also shows that the average kinetic energy due to vortices (vortices formed due to cubes’ movement in the fluid) around the cubes is higher than in other areas. The cubes’ movement has led to more turbulence in the flow and the formation of vortices.

We can easily see the wake areas in streamlines and vectors.


  1. Avatar Of Gregg Gulgowski

    Gregg Gulgowski

    Can the simulation model the effect of different water depths?

    • Avatar Of Mr Cfd Support

      MR CFD Support

      Yes, the simulation can model the effect of different water depths. We can adjust the water depth based on your specific requirements.

  2. Avatar Of Mckayla Gislason

    Mckayla Gislason

    Can the simulation model different shapes and sizes of falling objects?

    • Avatar Of Mr Cfd Support

      MR CFD Support

      Absolutely! The simulation can be adjusted to model different shapes and sizes of falling objects. We can modify the geometry based on your specific requirements.

  3. Avatar Of Robbie Stoltenberg

    Robbie Stoltenberg

    How does the simulation handle the turbulence generated by the falling object?

    • Avatar Of Mr Cfd Support

      MR CFD Support

      The simulation uses turbulence models, such as the k-epsilon or k-omega model, to accurately capture the turbulence generated by the falling object.

Leave a customer review

Your email address will not be published. Required fields are marked *

Back To Top
Whatsapp Call On WhatsApp