Week 2 - Flow over a Cylinder.

Aim- To simulate an incompressible-laminar-viscous flow through the backward-facing step geometry. You should perform a transient simulation. The solver can be chosen based on the described physics of the flow. You need to explain the entire simulation procedure (how you set up the case). You should also provide explanations…

Aim- To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle and derive both the conservation and non-conservation forms of the governing equations and solve them using MacCormack's technique.     Objective- 1. Steady-state distribution of primitive variables inside the nozzle2. Time-wise variation…

Aim- To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle and derive both the conservation and non-conservation forms of the governing equations and solve them using MacCormack's technique.     Objective- 1. Steady-state distribution of primitive variables inside the nozzle2. Time-wise variation…

Finite Volume Method-   The finite volume method (FVM) is a method for representing and evaluating partial differential equations in the form of algebraic equations. In the finite volume method, volume integrals in a partial differential equation that contain a divergence term are converted to surface integrals, using…

Aim- to solve the steady and unsteady state 2d heat conduction problem using iterative solvers- Jaobi, Gauss seidel method, Successive over-relaxation(SOR). Objective- the boundary conditions given-             Top Boundary- 600k              Bottom boundary-…

Aim- Deriving a 4th-order approximation of a 2nd-order derivative using the Taylor Table method. Right skewed difference scheme Central difference scheme Left Skewed difference scheme Objective-  To evaluate the second order derivative of the function  f(x)= exp(x)cos(x)    Using the above three order…

Aim-To simulates a Pitot Static tube and also establish a relationship between Total Pressure and Static Pressure. Objective- To establish a relationship between Total Pressure and Static Pressure. For the values of velocity given below calculate the total and static pressures and find the error in percentage for velocity.…

Aim- To perform a Broadband Noise Modelling simulation using an acoustic module over an Ahmed body in Ansys Fluent. Objective- Describe Ahmed's body and its importance. Setup the domain and setup assuming the body is travelling at 110 mph Run the setup till convergence and plot for static pressure and coefficient of drag…

Aim- To study and simulate the turbomachinery component using an unsteady state approach and for the moving zones we go with the "Moving Mesh Formulation Approach". Objective-  Simulate the Moving Mesh Approach on the turbomachinery component. Explain the moving mesh approach and why we considered it. The rotational…

Aim- To study and simulate the rotary motion of geometry using the moving zones approach on Ansys fluent. Objective-  Explain motion zone approaches and their types.  Which approach is suitable for the Model Unsteady state. Simulate the rotary motion of the geometry and plot a velocity profile of the fluid motion.…

 Aim- To understand and simulate the turbulence flow over the Golf ball and find in which direction the ball will curve by visualizing the wake region.    To understand turbulence let's first understand the Reynolds number because the Reynolds number helps us to define the point of turbulence of a fluid…

Aim- To study and simulate the aero thermal simulation of converging diverging nozzle on ansys fluent. Theory- The purpose of this applet is to simulate the operation of a converging-diverging nozzle, perhaps the most important and basic piece of engineering hardware associated with propulsion and the high speed flow of…

Aim- To perform a parametric study on a gate valve. Objective- Obtain the mass flow rates at the outlet for each design point. Calculate the flow coefficient and flow factor for each opening and plot the graph. Discuss the results of the mass flow rate and flow coefficient. Explanation- Gate valves work by inserting a…

Aim- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop using Discrete Phase Method on Ansys fluent. Objective- Write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model…

Aim- To create a Conjugate Heat transfer coefficient on a Graphics card and find an effect of temperature with varying velocity on a graphics card processor. Objective- To perform a steady state conjugate heat transfer analysis on the graphics card. To find the maximum temperature and heat coefficient attended by the processor.…

Aim- Perform an external flow simulation over a Ahmed body and plot the drag coefficient, vector plot and display the velocity and pressure contours, and perform a grid independence test.   Objective- it is to determine the aerodynamic forces on the ahmed body such as drag coefficent, lift coefficient and perfrom…

Aim- To conduct the Rayleigh instability CFD simulation and understand the phenomenon. Objective- To understand the practical CFD models that are based on the mathematical analysis of Rayleigh Taylor waves. Perform the Rayleigh Taylor instability simulation with two different types of mesh element constraints and…

Aim- To perform a steady state conjugate heat transfer simulation on the exhaust port when the air is coming at a speed of 5m/s.   Objective- 1. Explain Conjugate Heat transfer analysis  2. Solving and modelling approach. 3. Simulate the wall/surface heat transfer coefficient on the internal solid surface …

Aim- To study the flow over a cylinder and explain a phenomenon of karman vortex street and understanding a vortex shedding over a cylinder for different Reynolds number by changing a material viscosity accordingly. And place a monitor plot at distance of 4 times of diameter (i.e 8m) from the cylinder to calculate and…

Aim-To perform a steady state simulation on the two set of T joint i.e, short T and long T. where the entering hot fluid Temperature is 360C and velocity is 3 m/s and the Cold fluid temperature is 190C and velocity varies with respect the momentum ratio. Objective- Create a two versions of steady state simulation to compare…

Aim- CFD meshing of Tesla cyber truck and clearing a geometry and making it ready for wind tunnel testing. Objective- To identify and perform a geometry clean-up of the tesla cyber truck model. To create a surface mesh. Create a wind tunnel testing entity around the cyber truck. Procedure- Open ansa software in performance…

Aim-Clean up the geometry errors in an engine, transmission, and gearbox and make it an air-tight geometry by merging all the components into one and then performing a Surface Wrapping on it.   Procedure- Engine- Import the engine geometry and start cleaning up the extra surfaces lying in the space. After that start…

Aim-For the given BMW model solves all the geometric errors and performs a mesh and the surface mesh of wind tunnel testing surfaces. Procedure- To clean up the geometrical errors look for triple cons, single cons, and penetration errors in the geometry. Hence the geometry is a bit complex try to delete the symmetrical…

Aim-For a given model turbocharger we have to conduct an operation of surface meshing and volume meshing on the Ansa software. Objectives- Perform target mesh using on all the pids with the mention parameters. Blade stage 1 -1mm Blade stage 2- 1mm Impeller- 2mm Shaft motor – 1mm Turbo casing-5mm Compressor casing-5mm Inlet…

Aim-To do a Surface meshing of the valve and to acknowledge the difference and the quality of mesh of the three targeted parameters i.e, Targeted length- 1mm, 3mm, 5mm Element type- Tria   Procedure- To conduct a mesh in a geometry first ensure that the geometry should be clean i.e, no topology error. Clean geometry…