Derivation of fourth order approximations of the second-order derivative using : 1. Central difference 2. Skewed right-sided difference 3. Skewed left-sided difference  The value of co-efficients is obtained using matlab programming. Everything else is as shown below:  Derivation:        …

Simulation of a 1D Super-sonic nozzle flow simulation using Macormack Method   Introduction  Let us consider a quasi 1-D flow through convergent divergent nozzle which is initially at subsonic speed and exiting at supersonic speed. The flow is along the direction of x axis making it one dimensional flow. All…

BlockMesh drill down Boundary condition specifications:  The given boundary has to be meshed and flow inside should be simulated in openFOAM. The boundary is divided into 3 blocks as we can see in the figure below. The dimensions are as follows : The width along the z-axis does not matter since the simulation we are…

Finite Volume Method(FVM) : It 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 the divergence theorem.…

Flow through a pipe in OpenFOAM Principle:  The flow through a pipe works on the basis of Hagen–Poiseuille Equation which is a fluidic law to calculate flow pressure drop in a long cylindrical pipe and it was derived separately by Poiseuille and Hagen. Here let us consider a incompressible Newtonian fluid…

Objective : To compare the results of the flow simulation through an open pipe in wedge condition (considering wedge angle `theta` = 1,3,4) and symmetrical condition for (`theta` = 10,25,45) with the results obtained from the analytical solution using Hagen-poiseuille's equation. Let the length of the pipe be - L…

AIM The main aim of this CFD simulation is to determine the factors affecting the mixing efficiency of 2 fluids at different temperatures through a tee section using ANSYS Fluent and comparing the results    MODEL The image below shows the model of the tee through which of which the mixing efficiency is simulated.…

Aim:  The aim of this project is to study a two dimensiona flow of a user specified fluid over a 2-D cylinder on a plane for varying Reynolds number.    Introduction:  When a fluid is made to flow over a cylinder vortex is produced. A vortex is in the process of formation near the top of the cylinder…

AHMED BODY Aim :  The aim of this project is to find the drag and lift co-efficient of the flow over the ahmed body and validate it by comparing the results to experimental results. Also to do a grid dependency test to fiugre out the optimal meshing set up. Introduction to AHMED BODY:    The Ahmed Body was…

Conjugate Heat Transfer analysis on Exhaust Port   Aim : To simulate the flow of hot exhaust gases through an exhaust port and see how the heat transfer takes place and verify the same.  Introduction:  Conjugate heat transfer co efficient refers to accurately predicting heat transfer between the…