Week 2 - Flow over a Cylinder.

                                       CFD Meshing for Tesla Cyber Truck   Initial Model    First of all…

COMBUSTION Combustion is defined as a chemical reaction in which a hydrocarbon reacts with an oxidant to form products, accompanied by the release of energy in the form of heat.  Combustion manifests as awode domain during the design, analysis, and performance characteristics stage by being an integral part of various…

  Theory:   Introduction:    Gate valves are designed for fully open or fully closed service. They are installed in pipelines as isolating valves and should not be used as control or regulating valves. Operation of a gate valve is performed doing an either clockwise to close (CTC) or clockwise…

Angles to test: `theta=10^0` `theta=25^0` `theta=45^0`   Expected Results Validate Hydro-dynamic length with the numerical result Validate the fully developed flow velocity profile with its analytical profile Validate maximum velocity and pressured drop for fully developed flow Post-process Shear stress and validate…

                                    Simulating Cyclone separator with Discrete Phase Modelling   Cyclone Separator:   Cyclone…

Your Objectives: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove that the simulation has achieved convergence with appropriate images and plots. Identify potential…

                                                   Simulation of Flow through a pipe in OpenFoam  Aim: To simulate the axe symmetric flow in a pipe through openfoam.  Objective:   Validate Hydro-dynamic length with the numerical result  Validate the fully developed flow velocity profile with its analytical profile  Validate…

Surface wrap on Automotive Assembly     Aim: To merge the different models and perform surface wrap on the models.  Procedure :  First the model is loaded on to ANSA  Unwanted surface are deleted without damaging the outer shape of the geometries.  Single cons are resolved mainly here as it would affect negetively on the…

CFD Meshing for BMW car   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. Target lengths for the different parts of a model…

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CFD meshing on Turbocharger   AIM: This project aims to mesh a turbo charger for conducting CFD analysis.  OBJECTIVE:  The main objective of the given challenge is to perform surface mesh and volume mesh on turbo charger and also geometry clean up with the surface mesh for the PID's as  Perform surface mesh with the given…

Give a 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 surface & show the velocity & temperature contours in appropriate areas. How would you verify if…

Surface meshing on a Pressure valve Check for the geometrical errors and perform Topology cleanup.  Set three different target lengths as three different cases and mesh the model. Target length = 1mm, 3 mm and 5 mm (i.e., 3 cases).  Element type to be used is triangular.  Apply any one target length from…

  Q1. Describe Ahmed's body and its importance. Q2. Explain the reason for the negative pressure in the wake region.  Q3. Explain the significance of the point of separation.  Expected Results: 1. Velocity and pressure contours.  2. The drag coefficient plot for a refined case. ( For velocity of 25m/sec,…

OBJECTIVE.  To simulate an incompressible-laminar-viscous flow through the backwards-facing step geometry and perform a transient simulation.  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…

Objective: To study and understand                      1. The difference between FDM and FVM.                      2. Interpolation schemes in FVM            …

 Objective:  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 MATLAB.  Problem Statement:  Determine the steady-state temperature…

AIM:  Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street. Understanding the vortex shedding for different Reynolds numbers by changing the inlet velocities accordingly. Create a monitor point behind the cylinder at a distance 4 times the diameter which can be used to calculate and analyze…

 AIM:  To solve 2D heat conduction equation for steady and transient state using various iterative techniques such as Jacobi, Gauss Seidel and Successive over relaxation methods using MATLAB.  Problem Define;  Heat conduction equation is define by the pde  `(delT)/(delt)=alpha.(del^2T)/(delx)+(del^2T)/(dely)+(del^2T)/(delz)`…

OBJECTIVE:  For this challenge, we have created two versions of the mixing tee. One of them is longer than the other.  Our job is to set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C.   Use the k-epsilon and k-omega…

Object: Derive the following 4th order approximation of the second-order derivative using:-  Central difference Skewed right-sided difference Skewed left-sided difference Also, prove that your skewed schemes are fourth-order accurate.   Write a program in Matlab to evaluate the second-order derivative of…

Object:  Creating a Rankine Cycle Simulator & Calculating the state points of the Rankine Cycle based on user inputs.  Plotting the corresponding T-S and H-S plots for the given set of inputs.    Theory:  The Rankine cycle is an idealized thermodynamic cycle of a constant pressure heat engine…

Object: To write a MATLAB program to parse the NASA thermodynamic data file. Calculate htermodynamics properties of various gas species Plot the Specific heat(CP),Enthalpy(H) and Entropy(S) for the local temperature range specific for each species.   Theory: Parsing: Parsing a file means reading in a data stream of…

Object: Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. Clearly expalin the concept of genetic algorithm in your own words and also explain the syntax for ga in MATLAB in your report. Make sure that your code gives the same output, even if it is made to run several…

Object: Your objective is to write a program that solves the following ODE. This ODE represents the equation of motion of a simple pendulum with damping Code:   clear all close all clc b=0.05; g=9.81; l=1; %length is m m=1; %mass is kg %Initial condition theta_0=[0;3]; %time point t_span=linspace(0,20,150); %Slove…

Object: write a program in Matlab to simulate the forward kinematics of a 2R Robotic arm and Create an animation file of the plot   Code: clear all close all clc %input l1=1; l2=0.5; theta1=linspace(0,90,10); theta2=linspace(0,90,10); ct=1; for i = 1:length(theta1) THETA1=theta1(i); for j=1:length(theta2) THETA2=theta2(j);…