Create a geometry in DesignModeler/ Solidwroks/any CAD software

Problem:

The overall dimensions of the rectangular box will depend on the dimension of the underwater vehicle. 

[Please use any dimensions and make a model similar to the above drawing]

The fluid flowing through the rectangular domain is water, with the following properties:

Density = 1000 kg/m3, Dynamic viscosity = 1.002 mPa.s 

The boundary conditions for all the CFD models are:

Inlet velocity, U= 15 m/s; 40 m/s; 70 m/s Outlet Pressure = 0, Velocity at walls = 0 m/s (no slip)

Flow = Turbulent using default settings. Procedure and discussion points:

1.Create a geometry in DesignModeler/ Solidwroks/any CAD software

2.Build an appropriate mesh for the model. This will necessitate to run the simulations and make a grid refinement study presenting the results for different grids for U= 15 m/s.

3.Using the converged grid, for U = 15 m/s, check the iterative

4.Using the converged grid, run CFX/FLUENT for U = 15 m/s, 40 m/s, and 70 m/s.

5.Chart the axial velocity profiles u(y) at the leading edge, at mid, at the trailing position of the vehicle and discuss your results.

6.Plot the velocity contours for U = 15 m/s, 40 m/s, and 70 m/s and discuss the flow characterization.

7.Plot the velocity vector for U = 15 m/s, 40 m/s, and 70 m/s and discuss

8.Plot the turbulence intensity for 15 m/s, 40 m/s, and 70 m/s and discuss

9.Plot the turbulence kinetic energy for U= 15 m/s, 40 m/s, and 70 m/s and discuss your

10.Plot the pressure contour for U= 15 m/s, 40 m/s, and 70 m/s and discuss your

11.Plot the velocity streamline for U= 15 m/s, 40 m/s, and 70 m/s and discuss your

12.Calculate the drag and lift coefficient for U = 15 m/s, 40 m/s, and 70 m/s and plot the results.

13.Verify your results with the existing findings.

Submission:

A written report is to be submitted including a short introduction and conclusion (at least one page long for each). The report should contain a discussion of the points bolded above with evidence to support the discussion together with relevant figures such as figures illustrating the mesh or element distribution, plots of the velocity profiles, contour plots, etc.

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