clear all close all clc %inputs b=0.05 m=1 l=1 g =9.81 %iintial conditions conditions theta_0 =[0;3] % time points t_span =linspace(0,20,300) %apply ode solver [t, results] =ode45(@(t,theta) func_ode(t,theta,b,g,l,m),t_span,theta_0) %plot ct =1 for i =1:length(results(:,1)) theta1 =results(i,1) x1 =l*sin(theta1); y1 =-l*cos(theta1);…

AIM:   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  report. Plot graphs for all 3 studies and for F maximum vs no. of…

AIM :   Our main aim is to extract the coefficients & local temperatures values from the given data and find the enthalpy.entropy,specific heat,molecular weight of each and every species. OBJECTIVE : 1.  To Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific…

AIM: Create a Rankine Cycle Simulator using OCTAVE/MATLAB. code should calculate the state points of the Rankine Cycle based on user inputs.  Then, plot the corresponding T-s and h-s plots for the given set of inputs. Title and axes labels are a must, while legends could be used if necessary. Labelling sections of the…

aim : Derive the following 4th order approximations of the second-order derivative.  Central difference,. Skewed right-sided difference, Skewed left-sided difference and show the grpah which one in is give exact values   objectve :   to paste the code and explain the output values Write a detailed explanation…

Aim : is to solve the steady and unsteady heat conduction equation by using iterative solvers like jacobi,gauss seidel,succesive over relaxation method. Objective :  is to solve Steady state analysis & Transient State Analysis Solve the 2D heat conduction equation by using the point iterative techniques .…

Aim:  set up to simulate an incompressible-laminar-viscous flow through the backward facing step geometry. You should perform a transient simulation.    objective :  solver can be chosen based on the described physics of the flow.  to explain the entire simulation procedure (how you set up the…

Aim :  to simulate flow through pipe using openfoam   objective:  to simulate an axi-symmetric flow by applying the wedge boundary condition.explain about how to extract the vertices from the wedge boundary. to validate your results with the Hagen- Poiseuille's equations for the fully developed flow. to write code in Matlab…

  Ans In computational fluid dynamics there are 3 numerical method based solvers to solve the governing navier strokes equations these are: 1. Finite difference method 2. Finite element method 3. Finite volume method here we are going to discuss finite volume method and its advantages over finite difference method.   In…

 Aim : to simulate the same problem as in week 1 but by applying Symmetry Boundary Condition. You will do the simulation for the below mentioned angles using both symmetry and wedge boundary conditions and validate them with HP equations like you did in week 11 challenge.   Angles to test: 10 deg 25 deg 45 deg…

For this challenge, we have created two versions of the mixing tee. One of them is longer than the other. AIM : Use the k-epsilon and k-omega SST model for the first case and based on your judgment use the more suitable model for further cases. Giving the reason for choosing a suitable model is compulsory.  Case 1 …

Aim :  To Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.  Objectives :  PART-I Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100.  PART-II Calculate the coefficient of drag and lift over a cylinder by setting the…

Aim : Run the simulation for the velocity of 25 m/sec with the default air properties in fluent.   Objective 1) Significance and importance of the Ahmed body. 2) To simulate the Ahmed body and calculate the coefficient of drag and lift also perform the grid dependence test.     Introduction Two distinct…

Aim: To run simulation to anlyse Conjugate Heat transfer in Exhaust port. Objective: 1.To understand why and where a CHT analysis is used. 2.Run the CHT simulation using different turbulence model and justify results.   Introduction: Conjugate Heat Transfer (CHT): The Conjugate Heat Transfer (CHT) analysis type allows…

Aim - To conduct the Rayleigh Taylor CFD simulation. Introduction  - 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 system tries…

Aim : to Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. to use appropriate materials of your choice for the simulation. Make sure to properly define the correct solid and fluid zones.  toRun the simulation for best possible mesh with combination of coarse and refined mesh in…

Aim:- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.   Objective:- To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model by varying the particle…

OBJECTIVE: For this challenge, you will have to perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.  Obtain the mass flow rates at the outlet for each design point. Calculate the flow coefficient and flow factor for each opening and plot the graph. Discuss the results of…

                                                               Battery Thermal Management Systems   Problem Statement: Perform the heat transfer analysis using…

  Upload the clean model into your google drive and share the drive link in the answer box with appropriate share settings. Your Answers Steps that i have followed to cleanup the geometry : Orientation : Initially we will have to load the  given geometry into the ansa. We will have to do the Orientation process.…

1.Create Parts and Groups for the model. Divide the model into simplest parts and group them appropriately. Marks will be alotted based on the level of resolution of parts.   Here am attaching the drive link for this particular challange. https://drive.google.com/drive/folders/14SPXxNGGhR8XoT8LLkotdWKfjMXYPA9u?usp=share_link…

AIM :  To cleanup the geometry of the provided Mann & Hummel Automotive Air Filter. OBJECTIVE : write a detailed report explaining your clean up process step by step what features you keep or delete along with proper reasoning, errors  encountered  how you fixed those errors. Snapshots must be included…

AIM : perform the CAD cleanup of the car model. The car model should be free of any errors. write a detailed report explaining how you cleaned the model in ANSA step-by-step with snapshots for each step.   1. Increase the Resolution : Initially, We will have to do a resolution to capture the geometrical errors.…

Perform the Meshing of Pressure Valve . The geometry should be free of error . Perform the meshing using any three different target lengths starting from 5 mm to 0.5 mm  Explain for each part which target length is suitable and why  Make a Detailed report including the step by step procedure and snapshots for…

AIM : Make a Detailed Report on the Meshing of the Car Model using a suitable target length  Geometry should be error-free  Explain about the meshing algorithm that has been used in this geometry Also, explain about the quality criteria used in CFD Off elements should be zero   Meshing is a technique used…

Aim : -Make a Detailed Report on Batch Meshing of Mann Hummel Assembly -Explain the step-by-step procedure used for Batch Meshing including the snapshots -Geometry should be error-free   -We are approaching a batch type of meshing in this particular challenge another way of meshing. We do batch meshing if we have…

Make a Detailed Report on Geometry cleanup, Surface Meshing and Volumetric Meshing of Turbocharger Explain the tools used for the step-by-step procedure.   A significant difference between a turbocharged diesel engine and a traditional naturally aspirated gasoline engine is the air entering a diesel engine is…

Perform the Surfcae wrap for given geometry  Geometry should be error free externally and make sure the model is watertight before wrapping Use an optimum target length    Since we were doing a similar process throughout the geometry and am explaining the theory tools initially and uploading screen shots…

AIM : Make a Detailed Report on the Surfcae wrap of Engine assembly  Use the Batch mesh  Optimize the number of mesh elements   What is ANSA?       ANSA is an advanced multidisciplinary CAE pre-processing tool that provides all the necessary functionality for full-model build-up, from CAD…

AIM : -Make a Detailed Report on How to approach the model for Thermal Analysis -Include the step by step procedure and snapshots for Surface wrap of the model  -Only need to wrap the cooling system of given geometry     Procedure : -initially, we will have to load the geometry. -Check the errors and clear…

AIM : Perform the Volumetric meshing of the Car Model used for Geometric Cleanup Create 6 layers of Prism layer, velocity can be taken as 40 m/s and the y+ as 50 Make a Detailed Report of the Process    Theory : In order to capture or resolve the strong transverse gradients of the solution (like velocity and…

Motherboard :     Perform the geometry cleanup, Surface Meshing and Volumetric Meshing of Given Motherboard skewness as 0.5   Ⅰ Introduction The motherboard, also called the mainboard, is installed in the main computer box. It is one of the most basic and important components of the computer…