Week 8 - Simulation of a backward facing step in OpenFOAM

Aim: * The Main objective of this project is to set up and run the model for a single cylinder four stroke SI Engine at 1800 rpm *  To run the same model at 3600 rpm and increases the power - output by 10%   Introduction: The Spark ignition (SI) engine is an internal combustion engine , where the air fuel mixture…

Aim: To  Explore the GUI of GT-suite and GT-power and explaining the listed the modules in a brief description. GT-Suite: The tool which is used to industry leading simulation tool with capabilities and libraries aimed at a large set of applications in industries. It offers engineering functionalist ranging fast concept…

Aim: To Perform Emission Characterization on a CAT3410 Engine. Objective: To run a 3D Simulation of a CAT3410 Diesel Engine using two different piston bowl profiles and to understand the effect of Piston Bowl geometry on the Performance ans Emission characteristics of the Engine. Geometry: A tool called Make Engine Sector…

Aim: To set up a combustion  Simulation with the details given in the challenge and to study different properties of combustion by Post Processing the results  obtained by the calculation of the full hydrodynamic set up of the given geometry. Objective: * What is the compression ratio of this engine? * Why do…

Aim: To perform a shock tube simulation Objective: * Setup a transient shock tube simulation * Plot the pressure and temperature history In the entire domain - Explain the result * Plot the cell count as a function of time - Explain the result in detail It is expected to show the mesh generation in the form of Paraview…

Aim: To Simulate the flow through the solid pipe “ Conjugate Heat Transfer Simulation “ and understanding the super cycling. We have to perform a base line  configuration Setup a flow simulation through a pipe Inlet Reynolds number should be 7000 Hint: Use the below formula to calculate velocity for corresponding…

Aim: To study the flow over the converge corner or expansion waves To study the influence of SUB-GRID-CRITERION on the results Literature  review on boundary conditions and shock flow To simulate the Prandtl -mayer Expansion wave Prandtl-mayer Expansion Fan: A supersonic expansion fan, technically known as prandtl-meyer…

Aim: To perform the given model of tesla’s Cyber truck and solve all Geometrical errors and  Assign appropriate PID’s . Perform meshing with the suitable target length and elements Quality Criteria and also create a wing tunnel and perform a volumetric mesh. Objective: * Target length for the different…

Aim: To learn about surface wrapping around an assembly , which is surface meshing along the entire volume . For the given model we need to do topo clean up and merge cells all the three components and then performing meshing. The CAD Model to which can be found below: * Engine * Gear Box * Transmission * target length…

Aim: To perform CFD Mesh for BMW car. Objective: * Do topo cleanup for BMW car * Do 2D meshing, check quality criteria * Use hidden mode to check failed meshes on quality criteria. * Use reconstruct option to view and clear failed meshes.. * Do 3D meshing for a car. * Create a wing tunnel , either in 2D  or 3D mesh…

Aim: To Simulate the combustion of natural gas. Objective: To import the combustion chamber 3D model in space claim, convert it into 2D and save it as new model. To mesh the combustor model with suitable mesh setting To setup the solver setting with proper solver model and its parameter To generate plots of mass fraction…

Aim:A CFD analysis of cyclone separator is performed. The separation efficiency is found out . First the diameter of the particles is varied . then the velocity at the inlet is varied with particles of constant diameter . The physics of the problem is to set up in ANSYS FLUENT . The post processing of the result obtained…

Aim: To analyse  the conjugate heat transfer  on a graphics card.  Problem Statement: Perform a steady-state conjugate heat transfer analysis on  a model on a graphics card . you can use appropriate materials of your choice for the simulation . Make sure to properly define the correct solid and fluid…

Aim: To Conduct the Rayleigh’s  Taylor instability Waves using CFD simulation.   Objective: What are some practical CFD model that have been on the mathematical analysis of Rayleigh Taylor waves ? In your own words, explain how these mathematically models have been adapted foe CFD calculations. Perform…

Aim: Study state CHT analysis on Exhaust port at an inlet velocity of 5M/sec.  Objective: * Give the brief description of why and where a CHT analysis is used. * Maintain the Y+ value according to the turbulence model and justify the results. * Calculate the wall surface heat transfer coefficient on the internal solid…

Aim: The aerodynamic behavior of an Ahmed body is numerically investigated in the present work. Commercial fluent software is used for CFD simulation using a turbulent model. Grid dependency test is performed to validate the result against the experimental data. Computational drag and lift fairly agrees with the numerical…

Aim: Simulation of flow through a pipe in open Foam Objectives: Calculation of flow variables. Generation of Block Mesh Dict using the Wedges of Boundary Conditions, to create the Block Mesh Dict file in octave such that the mesh is automatically created for any wedge angle. Simulating the pipe flow in open foam using…

Aim: To simulate an incompressible –laminar-viscous flow through the backwards –facing step geometry and perform a transient solution. Case_1 – To simulate the flow without using any grading factor (i.e.,GF=1) Case_2- to simulate the flow with a grading factor of 0.2. The cells should be finer near the…

Aim: To simulate the isentropic flow through a Quasi 1D subsonic nozzle by deriving both the conservation and non-conservation forms of the governing equations and solve them by implementing the MacCormack’s technique using Octave.   Problem statement: Determine the steady-state temperature distribution for…

Aim: To solve two dimensional equation for steady state and unsteady state (transient) by using explicit and implicit method with given boundary. Using implicit method solving using different iterative solvers i.e. .. Jacobi, Gauss seidal and successive over relaxation for both steady state and transient state heat conduction…

Aim: To derive and write a program for fourth order approximation from second order derivative by following methods 1.central difference 2.skewed right sided difference 3.skewed left side difference Objective: 1.To evaluate the second order derivative of the function ƒ(x) =exp(x)cosx,using above mentioned order of…

  OBJECTIVE: * The objective of the Project is to write a code to parse the NASA Thermodynamics data file * To Calculate the specific heat ,Entropy,Enthalpy of various gas Species by using given coefficients CODE FOR NASA PARSING: Here comes the Main code for NASA parsing which helps to parse NASA data file , and…

  Matlab Program to optimise the stalagmite function and finding the global maxima   1.Basics Concepts:   1.1 optimization: Optimization is the area of study which is used to maximize or minimize the particular function, which depends upon multiple parameters to get the desired the output. 1.2 Stalagmite…

https://drive.google.com/file/d/1De3PEgajegZQYvHxh__Jjih9lCM_TY55/view?usp=sharing %clearing line screen,command line,work space and closing all plots clear all close all clc %inputs b=0.05; g=9.81; % specific gravity in m/s^2 l=1; %length of string in m m=1; % mass in kg % initial condition % for solving first order ode…