Week 2 Challenge : Surface meshing on a Pressure valve

Aim: CFD meshing for Tesla cyber truck    Procedure: Importing the geometry Checking the error like intersection and single cons Cleanup the geometry using topo,projectand paste option. Deleting the intersection with the help of given PIDs. Delete the wheel shaft and create the new with the help of New>Fitted…

Aim : Surface Wrap on Automotive Assembly using Ansa.Target length for Wrap = 3 mmProcedure:First the model is loaded on to ANSAUnwanted surface are deleted without damaging the outer shape of the geometries.Single cons are resolved mainly here as it would affect negatively on the surface wrapping.After cleaning up the…

Aim : CFD meshing for BMW car using ANSA.   Target lengths for the different parts of a model are as follow: Body - 3 mm Lights - 4 mm Grills - 1 mm Rims and Tyres - 2 mm Optical Rear view mirror - 2 mm Window - 2 mm Silencer - 3 mm Logo - 1 mm       Results: Grill Procedure: Delete the thickness of…

Aim : CFD meshing on Turbocharger.   Procedure: Import the geometry in to the interface. Do the topo cleanup. Use the New tool with loop  optgion to create the new surafce . Use the 'Transform' tool to do the topo cleanup on the upper ring on the compressor casing. Create the hot point on the center Turbo casing while…

Aim : Surface meshing of pressure valve using ANSA.   Procedure:  Importing the geometry in the ANSA working window. Patching the surface using the loop tool. In side the loop tool, fitted and cons tool are used for the fill the surface according the shape. Check the triple cons,single cons, double cons unmeshed…

Aim: To optimize the stalagmite function and find the global maxima of the function.   Theory: A genetic algorithm is a search experiential that is stimulated by Charles Darwin’s theory of natural evolution. This algorithm reproduces the process of natural selection where the appropriate individuals are selected for reproduction…

Aim: Transient behaviour of simple pendulum   Theory: A point mass attached to a light inextensible string and suspended to a fixed support is called a simple pendulum. A verticle line passing through the fixed support is the mean position of the simple pendulum. A vertical distance between pount of suspension and…

 Aim :To simulate the forward kinematics of a 2R Robotic Arm using MATLAB. Create an animation file of the plot. Upload an animation on You tube and provide the You tube link for an animation in your report. You can also provide the google drive link.Note: Make sure that you provide the access to the video, while…

Aim: To perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species in the simulation. Objective: Part 1 To perform a combustion simulation and plot the variation of mass fraction of different species in the simulation using line probe at different setup NOx…

Objective: to perform a parametric study on the gate valve simulation by setting the opening from 10 to 80%. 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 result of the mass flow rate and flow coefficient.…

Aim: To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.   Introduction - Cyclone separator is a separation devices that use the principle of inertia to remove particulate matter from flue gases. Cyclone separator is one of many air pollution control devices known…

Aim : CHT Analysis on graphics card   Conjugate Heat Transfer (CHT) Analysis   Conjugate Heat Transfer analysis is used for the processes that involve a variety of temperatures concerning solids and fluids, due to thermal interaction between them. A typical example would be the heating or cooling of a solid by the flow…

Aim: Rayleigh Taylor Instability   1) Practical CFD models that have been based on mathematical analysis of Rayleigh Taylor wave.     1) Kelvin-Helmholtz instability     2) Richtmyer- Meshkov instability     3) Plateau-Rayleigh instability       1) Kelvin-Helmholtz…

Objective : CHT analysis on Exhaust port   1) What is CHT Analysis. Why and where it is used? Conjugate heat transfer (CHT) refers to the coupling of conduction in solids with the convective and radiative heat transfer in the surrounding fluids. In other words, CHT corresponds with combination of heat transfer in…

Objective: External flow simulation over the Ahmad body.    Expected result: Pressure and Velocity Contour. The drag Coeficient for refined mesh. The vector plot clearly showing the wake region. Grid dependency test.          Q .1) Describe Ahmad’s body and its importance? The Ahmed…

Aim : Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.     Theory     Consider a stream of fluid flow past a circular cylinder. As fluid passes te topmost point of the cylinder, it finds itself unable to negotiate the rear half of the cylinder where there is…

Objective: To Analyze the Temperature profile, velocity profile and grid dependency on the mixing tee geometry. About        `text(Mixing is a unit operation that involves the manipulation of a heterogeneous physical system with the intent to make it more homogenous. ixing is performed to allow heat…

Objective: To simulate the flow through pipe in openFoam.   Laminar flow in pipe   Reynolds number is the ratio of the inertial force to the viscous force. It is a dimensionaless number.            `Re = text(inertial force)/text(viscous force)` `(V_(avg) D)/v = (rho V_(avg)…

Objective: A literature review on Finite Volume Method and also explain the interploitaion schemes and flux limiters.   `text(Finite Volume Method)`   `text(Finite volume method provide a efficient way of discretizing the governing equations to solve certain Heat Transfer and Fluid flow problems. FVM is…

Objective: To simulate an incompressible -laminar flow through the backward facing step using OpenFOAM. case: 1- To simulate the flow without using  any grading actor i.e. GF = 1. case : 2- To simulate the flow with using grading factor 0.2.    The flow in which there is no change in density is called incompressible…

`text(Objective : To simulate the isentropic flow through a Quassi 1-D super-sonic nozzle by deriving both the conservation and non-conservation forms of governing equation and solve them by implementing the macCormack's technique using MATLAB).`   `text( Subsonic and supersonic isentropic flow through the convergence…

Deriving 4th order approximation of a 2nd order derivative using Taylor Table method   The 4rth order approximation and 2nd order derivativs equation for three different scheme is, `text(Central Differncing Scheme)`                    `(∂^2 f)/(∂x^2 )=af(i)+bf(i+1)+cf(i+2)+df(i-1)+ef(i-2)`…

Objective: To solve the steady and unsteady 2D heat conduction problem using implicit and explicit method.   2D Steady state heat conduction equation,                                                                 `(∂^2T)/(∂x^2)+ (∂^2T)/(∂y^2)=0`     2D Unsteady state heat conduction equation,                        …