Week 8 - Simulation of a backward facing step in OpenFOAM

Aim:        To do Shock Tube Simulation using Converge CFD. Objectives: Setup a transient shock tube simulation in coverge. Plot the pressure and temperature history in the entire domain. Plotting the cell count as function of time. Shock Tube: A simple shock tube is a tube, rectangular or circular…

Aim:         To setup a transient state Conjugate Heat Transfer simulation of flow through a pipe in converge by using different stage interval for super cycling model and different grid size, simulate it using Cygwin terminal and post process in Paraview and check the results. Conditions: base…

Aim: To do Prandtl Meyer shock problem in CFD Converge and, In the Prandtl Meyer shock problem, look at the effect of SGS temperature value on cell count and the shock location. Shock Waves: It is a type of disturbance that propagates at a speed greater than the speed of sound in the medium. As a rule,…

Aim: Set up and run the steady state simulation for flow over throttle body. Post process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate and total cell count. Create an animation in which it throttle movement should be visible.…

Aim: Set up and run the steady state simulation for flow over throttle body. Post process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate and total cell count. Create an animation in which it throttle movement should be visible.…

Aim:        To perform Flow over a backward facing step simulation using Converge-CFD and post process the results in Paraview. Objective:         Run a simulation for three times with different mesh size and compare the results. Three different base mesh sizes are,  dx…

Aim:         To perform a channel flow simulation using Converge-CFD and post process the results in Paraview. Objective:         Run a simulation for three times with different mesh size and compare the results. Three different base mesh sizes are,  dx = 2e-4m,     dy = 2e-4m,        dz = 2e-4m dx = 1.5e-4m,  dy = 1.5e-4m, …

Aim: For the given model, check and solve all geometrical errors and Assign appropriate PIDs. Perform meshing with the suitable Target length and element Quality criteria. ANSA File: https://drive.google.com/file/d/1qmBMTxRYuCLD9B1orXtcWKdcRcevXUXQ/view?usp=sharing Procedure: Open ANSA import the Tesla Cyber Truck geometry…

Aim: For the given models, check for the geometrical errors and delete surfaces which are unwanted for Surface wrap, After clearing geometry, Merge all 3 models and perform surface wrap. Target length for Wrap = 3 mm ANSA File:  https://drive.google.com/file/d/1iB99SCSH0PhHYS_isAuBkjFl50cXFgUl/view?usp=sharing…

Aim: For the given models, check for the geometrical errors and delete surfaces which are unwanted for Surface wrap, After clearing geometry, Merge all 3 models and perform surface wrap. Target length for Wrap = 3 mm ANSA File:  https://drive.google.com/file/d/1iB99SCSH0PhHYS_isAuBkjFl50cXFgUl/view?usp=sharing…

Aim: For the given model, check and solve all geometrical errors on half portion and Assign appropriate PIDs. Perform meshing with the given Target length and element Quality criteria. After meshing the half model, Do symmetry to the other side. Type : Tria Body - 3 mm Lights - 4 mm Grills - 1 mm Rims and Tyres - 2 mm…

Aim: To check for the geometrical errors to make appropriate volumes.  Case 1: Create and assign PIDs . Perform surface mesh with the given target lengths as per PIDs. Blade stage-1 = 1 mm Blade stage-2 = 1 mm Impeller = 2 mm Shaft rotor = 1 mm Turbo casing = 5 mm Compressor casing = 5 mm Inlet casing cover =…

Aim: To check for the geometrical errors and perform Topology cleanup accordingly. Set three different target lengths as three different cases and mesh the model.  Target length = 1mm, 3 mm and 5 mm Element type = Tria Procedure:  Open ANSA and import the Valve geometry in the main window. Go to check -Geometry…

Aim: To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.  Description: Gate valves work by inserting a rectangular gate or wedge into the path of a flowing fluid. They are operated by a threaded stem which connects the actuator (generally a hand wheel or motor)…

Aim: Perform a combustion simulation on the combustor model. Case 1: Plot the variation of the mass fraction of the different species in the simulation using line probes at different locations of the combustor and to plot for CO2, H2O, CH4, N2, O2, NOx emissions & Soot formation. Case 2: Add the water content in the…

Aim:  To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop. Case(i): To perform an analysis on a given cyclone separator model by varying the particle diameter from 1 μm to  5 μm and calculate the separation efficiency in each…

Aim: Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. Description: The Conjugate Heat Transfer (CHT) analysis type allows for the simulation of heat transfer between solid and fluid domains by exchanging thermal energy at the interfaces between them. Typical applications of this analysis…

Aim: To simulate the Rayleigh Taylor Instability in Ansys Workbench Fluent. Description: Rayleigh Taylor Instability (RTI) is a phenomenon that occurs at the interface of fluids of different density wherein the lighter fluid pushes the heavier fluid due to the density difference. It is a dynamic process wherein the…

Aim: Steady-state Conjugate heat transfer analysis on Exhaust port. Description: Conjugate heat transfer analysis is based on a mathematically structured problem, which describes the heat transfer between a body and a fluid flowing over or inside it as a result of interaction between two objects. At the matching interface,…

Aim: To perform external flow simulation over Ahmed Body. Description: Ahmed body:  The Ahmed body was first created by S.R. Ahmed. It is an important benchmark for aerodynamic simulation tools. It will be clearly shown in the sketch below that it has a length of 1.044 meters, the height of 0.288 meters and the width…

Aim:  Vortex shedding simulation over a cylinder in Laminar flow. Description: Flow over a cylinder is one of the basic simulation in the CFD domain and till this date the research is still going on to study the unsteady behavior caused by the flow. The flow over cylinder study is very complex and periodic flow pattern…

Aim: To simulate the flow of air through mixing tee and understand the effect of length of pipe and momentum ratio of velocity for mixing of air by using two different types of pipe i.e. short pipe and long pipe. Description:                            …

AIM: Validation studies of Symmetry BC vs Wedge BC in OpenFOAM vs Analytical H.P equation. angles to test: 10° 25° 45° Description: Internal flow through a cylindrical pipe is a common thing that we come across in our daily life which includes the velocity profile, the shear stress, boundary layer. The…

AIM :  To simulate an axis-symmetric flow in a pipe by applying the wedge boundary condition and validate the result with the Hagen- Poiseuille's equations for the fully developed flow. Description: Internal flow through a cylindrical pipe is a common thing that we come across in our daily life which…

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Aim: To simulate an incompressible-laminar-viscous flow through the backward facing step geometry. Case 1 - Simulate the flow without using any grading factor (i.e., GF = 1) Case 2 - Simulate the flow with grading factor of 0.2. The cells should be finer near the walls (includig the step wall). Description:  Incompressible…

Aim:             To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle by deriving both the conservation and non-conservation forms of the governing equation and solve them by implementing the MacCormack’s technique using MATLAB. Description:      …

Aim:              To write a code which solves the 2D heat conduction equation by using the point iterative techniques by the following methods. Jacobi Gauss-seidel Successive over –relaxation Introduction: Considering General three dimensional heat conduction…

Aim:             To write a program to derive the fourth order approximation of a second derivative using central differencing scheme, skewed right sided differencing scheme and skewed left sided differencing scheme with the help of Taylor table method and to compare…

Aim:                To create a Rankine Cycle Simulator fro given input data from XSteam library. Objective: To create a Rankine Cycle Simulator in MATLAB. To calculate the state point using function XSteam. To plot T-S and H-S diagram for given input…

Aim:                To write a code in MATLB to parse the NASA thermodynamic data file and then calculate Thermodynamic properties, Molecular weight and plot nature of the thermodynamic properties of various element with temperature. Introduction: Parsing…

A code to optimise the stalagmite function and find the global maxima of the function. Main program: clear all close all clc x = linspace(0,0.6,150); y = linspace(0,0.6,150); num_cases = 50; [xx,yy] = meshgrid(x,y) for i = 1:length(x); for j = 1:length(y); input_vector(1) = xx(i,j); input_vector(2) = yy(i,j);…

1. Radar Mast Front View                     Side View                       Isometric View                Feature View               …

Design of American Chopper Objective:           To design a American Chopper from concept of sketch to fully defined model for final rendering using “SOLIDWORKS and SOLIDWORKS Visualize” software. Introduction:           This report is fully about how to design a American Chopper from, Do sketch to designing of parts with…