Week 4.1 - Genetic Algorithm

## Objective: External aerodynamic analysis of Tesla Cyber Truck Design ## Procedure: **Step A: Geometry Cleanup    1. When the file is loaded into ANSA, there are too many single cons. Hence select all of them and perform TOPO                       operation.…

## Steps for developing surface wrap: # Step A: 1. The model of engine has too many ring shaped objects which are created to give a fillet like edge. These rings are inwanted items in the model. So the first step involve is identifying the rings and deleting them. The air filter pipes and the belt of the belt drive is…

** Meshing of BMW Model 6: Step A: Geometric Cleanup 1. The BMW car is symmetric about a plane. Hence to reduce the efforts of geometry cleanup, delete the other half of car. The symmetric plane passes through front hood, roof, rear hood. 2. The front grills have too many openings for the purpose of air circulations. So…

## Report Step A: Geometry Cleanup 1. This CAD file is modelled in the way such that the assembled components are manufactured. This means that there are different types of contacts between the two components. The components may share a common surface. Or if 2 components were press fitted then their surfaces are overlapping. …

** Meshing Steps 1. Geometry cleanup. Serach for single, double, triple cons. Double cons means a surface is adjacent to another 2 surfaces.          Single cons are to be eliminated. Triple cons means overlapped surfaces. 2. Go to tools> checks>Geometry>execute. By doing this, the number…

** Laminar Flow Through Pipe A) For angle 10     pipe radius= 2cm, Raynold's number= 2100 # Generating blockMeshDict file using MATLAB FoamFile { version 2.0; format ascii; class dictionary; object blockMeshDict; } //******************************// scale 1; vertices ( (0 0 0) (0 0.019924 0.001743) (0 0.019924…

** Hagen Poiseuille Flow: MATLAB Code to Generate BlockMesh file: f1=fopen ('blockMeshDict','w') % Create a text file with name "blockMeshDict" fprintf(f1,'\nFoamFile') fprintf(f1,'\n{') fprintf(f1,'\n\tversion 2.0;') fprintf(f1,'\n\tformat ascii;') fprintf(f1,'\n\tclass dictionary;') fprintf(f1,'\n\tobject blockMeshDict;')…

** Code of Non-Conservative  clc clear all close all %% Create 1D domain n=31; L=3; x=linspace(0,L,n); dx=x(2)-x(1); th=(n-1)/2; % Location of throat %% Constants gama=1.4; %% Time steps nt=1800; dt=0.01; %% initial values of properties rho=1-0.3146*x; % Density t=1-0.2314*x; % Temperature v=(0.1+1.09*x).*t.^0.5;…

** 2D Steady Heat Conduction *Main code: clear all close all clc %% Define domain nx=21; % Number of points in x direction ny=21; % Number of points in y direction L=1; H=1; x=linspace(0,L,nx); y=linspace(0,H,ny); dx=L/(nx-1); dy=H/(ny-1); M=(dy^2)/(2*(dx^2+dy^2)); N=(dx^2)/(2*(dx^2+dy^2)); omega=1.5; %% Define Boundary…

** Finite Volume Method: 1. Finite volume method is one of the methods in numerical computation in which the computational domain is divided into a        number of infinitisimal volume (cells). Each cell has 1 cell centroid and 6 control surfaces which are also known as faces. 2. The centroid of each…

Assignment : Flow over backward step Tutorial : incompressible >> cavity >> cavity Solver : icoFoam Meshing : blockMesh General Steps:  1. Copy the tutorial file into run folder by command: cp -r cavity/ $FOAM_RUN/backward_step 2. Acess the system folder inside backward_step folder by command: cd system/…

** Taylor Table: The general concept of Taylor table comes from the Numerical differentiation. We know that, f(x+h)=f(x)+h*f'(x)+h^2*f''(x)/2!+h^3*f'''(x)/3!+h^4*f''''(x)/4!+h^5*f'''''(x)/5!.... Now to find f'(x), we can modify above series f'(x)=f(x+h)-f(x)/h - h*f''(x)/2! - h^2*f'''(x)/3!..... In case of finding differentiation…

Title: Simulation of Rankine Cycle In rankine cycle the following processes occur 1-2: Isentropic compression in Turbine 2-3: Constant pressure heat rejection in Condenser 3-4: Isentropic compression using Pump 4-1: Constant pressure heat addition in Boiler The conditions of steam at inlet of turbine (state point 1) is…

Title: Nasa Thermodynamic Data file parsing using MATLAB Logic:  The screenshot of the given data file is attached below. Let's understand the structure of data given in this file. Reading data from a particular Block: So, in this file, there are total 53 species blocks are given. Each species block contain 4 lines…

  Optimization Process:                                                      The first step is to identify need for optimization. In mechanical engineering, optimization means reducing…

Damped Oscillations of Pendulum: The general differential equation which governs the behaviour of system is given as: d^2 (θ)/d(t^2)+ (b/m)*(dθ/dt)+ (g/l)*sinθ=0 In above equaton, b is daming coefficient, m is the mass of pendulum and l is length of string while θ is angular dispalcement. It…