clear allclose allclc %inputL1 = 1;L2 = 0.5; theta1 = linspace(0,90,30);theta2 = linspace(0,90,30); ct=1; for i = 1:length(theta1) THETA1 = theta1(i); for j = 1:length(theta2) THETA2 =theta2(j); x0=0; y0=0; x1 = L1*cosd(THETA1); y1 = L1*sind(THETA1); x2 = x1 + L1*cosd(THETA2); y2 = y1 + L1*sind(THETA2); %plotting plot([x0…

clear all close all clc b = 0.05; g = 9.81; l = 1; m = 1; %initial condition theta_0 = [0;5]; %time points t_span = linspace(0,10,500); %solve ODE [t,r] = ode45(@(t,theta)odefunc(t,theta,b,g,l,m),t_span,theta_0); plot(t,r(:,1)) hold on plot(t,r(:,2)) xlabel('time') ylabel('plot') %animation pendulum x0 = 0; y0 = 0; displacement_values…

[10:55 pm, 02/08/2022] Vinay Chaudhari: clear all close allclc%Defining our search spacex = linspace(0,0.6,150);y = linspace(0,0.6,150); %creating a 2dimensional mesh[xx,yy] = meshgrid(x,y); %evaluating the stalagmite functionfor i = 1:length(xx) for j = 1:length(yy) input(1) = xx(i,j); input(2) = yy(i,j); f(i,j) = stalagmite1(input);…

Vortex shedding is an oscillating flow that takes place when a fluid such as air or water flows past a bluff (as opposed to streamlined) body at certain velocities, depending on the size and shape of the body. In this flow, Vortices are created at the back of the body and detach periodically from either side of the body,…

A1. Describe Ahmed's body and its importance. The Ahmed body is a simplified car body used in the automotive field to study the impact of the flow pattern on the drag. The external aerodynamics of the car defines many major traits of an automobile like stability, comfort, and fuel consumption at high speeds. The flow around…

Based on the above stencil our hypothesis equation will be:- ∂2u∂x2=af(i−2)+bf(i−1)+cf(i)+df(i+1)+ef(i+2)∂2u∂x2=af(i-2)+bf(i-1)+cf(i)+df(i+1)+ef(i+2)………………… (1) In order to find the values of coefficient(a,b,c,d,e),(a,b,c,d,e),we’re…

% Solving Steady and unsteady 2D heat conduction problem % Steady state conduction % Iterative solver - Jacobi, Gauss -seidel, Relaxation methods clear all close all clc %initial conditions %L = 1 nx = 10; ny = 10; x = linspace(0,1,nx); y = linspace(0,1,ny); dx = x(2) - x(1); dy = y(2) - y(1); % given data of boundary…

% witting program for simulation of 1D NOZZEL SUPERSONIC FLO USING MACROMAC   % METHOD   clear all close all clc   %defing the inputs %number of grids points n=31; x=linspace(0,3,n); dx=x(2)-x(1); gamma=1.4;   %numbers of time steps nt=1400; CFL=0.5;   %defing the function for non conservation…

This dict contains information about vertices , blocks and boundaries. Vertices are udes to create points which are further joined to create geomtery, so edit vertices entries to create requiredg geometry and then edit block entries to create faces. Run blockMesh command after this and then paraFoam command to check formation…

There are total 4 Numerical Methods: Finite Element Method (FEM) Boundary Element Method (BEM) Finite Volume Method (FVM) Finite Difference Method (FDM) Efficient technology for CFD with the finite-difference and finite-volume method has become increasingly popular and have been using from much longer periods. FDM Boundary…

THEORY Computational Fluid Dynamics(CFD) and more specifically conjugate heat transfer (CHT) analysis can accurately predict heat transfer by simultaneously solving all the relevant solid and flow field heat transfer processes, for example: conduction through solids, free and forced convection in the gases/fluids and thermal…

elvin-Helmholtz instability- This instability typically occurs when there is velocity shear in a single continuous fluid, or additionally where there is a velocity difference across the interface between two fluids. A common example is seen when wind blows across a water surface; the instability constant is able…

Simulation Procedure : Geometry : Open the geometry section and import the given Graphics card geometry. Then go to workbench section and select shareprep option so they share sides and faces with each other. Mesh : Open the mesh and name the boundaries like Inlet, Outlet, Symmetry. Now, generate the default mesh provided.…

From the above information, following cases can be analyzed: CASE-1: 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 case. Discuss the results. [Use both the velocity's…

Aim: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 the mass…

close all clear all clc   s = 1; %scaling factor L = 5; %Length of pipe r = 0.015; %Radius of pipe theta = 2; %Angle of wedge wrt axis rho = 997; %density of working fluid Re =2100; %Renolds number dx = 20; %Number of cells in X-direction dy = 1; %Number of cells in y-direction dz = 500; %Number of cells in z-direction…

clear all close all clc   theta=45; %wedge angle Re =2100;%Reynold's number D =0.01;%Diameter R =D/2;%Radius Le =0.05*Re*D; %hydrodynamic entry length L =Le+0.4; %Total length   %Temperature = 25degree celsius mu =8.90*10^-4; %Dynamic viscosity rho =997; %density nu =8.9267*10^-7; %kinematic viscosity  …

Intorduction: Fully developed flow enters the domain from left. once the flow reaches the step, thanks to growth of flow channel, pressure gradient exists, it detaches and a recirculation zone is created. A turbulent physical phenomenon encounters a unexpected back step, inflicting flow…

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. Introduction: The throttle body is an important part of the air…

Aim: Setup and run transient state simulation for flow over a 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. Also show the calculations on how you calculated an end time for…

Aim: To Setup a channel flow Cases. Objective: 1. For this challenge, we will be setting up a channel flow tutorial. 2. As you watch these videos, set up the case in CONVERGE 3. Make sure the inlet pressure and initial pressure are the same.  4. Once you have the base setup ready, run the case for three different…

AIM: Prandtl Meyer Shock problem objectives: 1. Shock flow boundary conditions Do a literature search on what BC's are typically used for shock flow problems 2. What is a shock wave? In your own words, describe the physics behind shock waves 3. Effect of SGS parameter on shock location In the Prandtl Meyer shock problem,…

Aim: To Setup a flow simulation through a pipe. Objective: Inlet Reynolds number should be 7,000 HINT : Use the below formula to calculate velocity for corresponding value of REYNOLD NUMBER and give DIRICHLET BC for velocity at inlet and specify the value for velocity calculated at INLET BC using below formula…

Aim: Shock tube simulation project 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 It is expected to show the mesh generation using ParaView. Also, create animation…

Reynolds Stress Reynolds stress results from the turbulent transport of momentum. It can be defined as the component of the total stress tensor in a fluid obtained from the averaging operation over the Navier-Stokes equations to account for turbulent fluctuations in fluid momentum. In terms of accuracy for modeling energy…

Aim:  To check for the geometrical errors and perform Topology cleanup accordingly. Set three different target length for different cases and mesh the model. Objective: For the given model, check for the geometrical errors and perform Topology cleanup accordingly. Set three different target lengths as three different…

Aim: The Main objective of this project was to setup no-hydrodynamics solver transient simulation of a port fuel injection engine using converge CFD. Introduction Port injection, the fuel injectors are positioned on the air intake leading to each cylinder of your engine.  As your engine sucks in air to later be compressed…

Aim: Project 2 - Emission characterization on a CAT3410 engine Objective Your job is to run simulations with both these pistons and characterize the emissions (Soot, Nox, and UHC) Create cut-plan animations showing Soot, Nox, and UHC and compare them between the omega and the open-w pistons.  Upload animations…

(1)Compression ratio is defined as a ratio of the maximum volume to the minimum volume of the combustion cylinder. in our case compression ratio is 5.74e−45.70e−5=10.07 (2)To change compression ratio without changing geometrical parameters is possible only by changing clearance or swept volume. maximum…

First we are going to Import the geometry. The image  given below is the CAD geometry after importing and this geometry is without topo cleaning or geometry cleanup. And the model is opened in toto mode . This is check manager where all types of checkes are listed or you can make your own check list.here we are going…

Importing CAD Model in Ansa workspace. Then we will check for the geometric whethe it has any geometrical errors. If in case of errors check throws errors we will try to fix it manually or automatically depending upon the error. Once model has no error it will show green status as shown in below image and we can proceed…

PROCESS: THE given parental surface is inetial checked for the Geometric Check,& errors are Fixed. The given parental has 1 Component , Each surface is Surface/Shell Meshed seperately. Mesh parameters is applied Quality Criteria is applied and checked on the Shelled Mesh. FTER MESHING OF ALL COMPONENTS QUALITY OF ALL…

AIM:  The connections for the front door by using different 1D elements are taught in detail.  Now for the given Rear door FE model, Create and Apply different PIDs for different components. By using the same technique and the elements as shown in the video, Perform suitable connections. (No thickness need to…

Aim :   1) Practice all the Morphing techniques that were shown in the video for Model-1.    2) Perform morphing for the Model-2 and Increase the Height of the Dog houses and Ribs. (Refer Red annotations in the below image to understand what are Dog houses and Ribs)  3)Write a report on Morphing of…

roject Objective:- In This Project, I am Going to Suggest a Big Car for Mr.D.S. Pughazhyendhii Under 8 to 10 Lakhs on Road for Official and Family Purpose Traveling Distance Around 500km. 01. Suggested Cars Listed Below:-  01. Hyundai Vennu 1.4 CRDi MTE. 02. Mahindra XUV 3000 1.5W6. 03. Nissan Kicks XE Diesel.…

Underbody coating is usually a dense cladding (often based on rubber) applied uniformly to the undercarriage of the automobile. It is normally sprayed or painted on when the car is just out of the dealership and is clean.  The main purpose of undercoating is to check rust especially in the body components like frame…

A car hood also referred to as a bonnet in some other countries is the hinged cover that rests over the engine of a front-engine vehicle. Its purpose is to provide access to the engine for repair and maintenance. A concealed latch is typically used to hold down the hood. On vehicles with an aftermarket hood and on racecars,…

For general design, the elastic section modulus is used, applying up to the yield point for most metals and other common materials. The elastic section modulus is defined as S = I / y, where I is the second moment of area (or area moment of inertia) and y is the distance from the neutral axis to any given fibre. It is…

FENDER:                Fender is the american english term for the part of an automobile, motorcycle or other vehicle body that frames a wheel well.Early automobile fenders set over the wheels to prevent mud, sand and dust being thrown on to the body and the occupants. Fenders…

  Objectives   Create a car roof model based on the styling surface master sections given for various parts with mastic points & rein forcements.  Determine whether the design is complying with heat distortion criteria through curvature study on the roof.  Check section modulus of front roof…

OBJECTIVE : The main objective of this project is to design a fender using  a new age design software - NX - CAD INTRODUCTION : Design of any product starts from an requirement . The design engineer sketches the product based on the the requirement . Then the 2D sketch  with the proper dimensions is converted…

Procedure :-  Step 1 :- Import the model. File -open -select the model -open.   Step 2 :- Checks for geometry. geometry -checks -execute.   Step 3 :- Measuring the thickness .     Step 4:- giving length  Step 5 :-Assigning Quality criteria to the model.     Step 6 :-Assigning Quality parameters .     Step 7 :- Generating …

PROCEDURE - MODEL - 1 -  SWITCH PANEL  The model to be worked on is shown in the below image.  1. The first step is to do the geometry check for the entire model. We go to Tools->Checks->Geometry and verify the validity of the model. If there are any errors in the model, it can be auto-fixed and verified again as shown…

OBJECTIVE -  Design a Back Door Assembly from the provided styling surface, use appropriate design methodologies and provide the necessary reinforcements and embosses.   INTRODUCTION - Backdoor are one of the type of door of the vehicle which are located next to the passanger seat which provides access to the luggage compartment.…

AIM: To check for geometrical errors and perform Topology cleanup accordingly. To perform surface wrap on the given automotive assembly. Make a volumetric mesh in the given geometry, then make a surface mesh so we can proceed with the volumetric mesh, and finally select the required volumes and create a volumetric mesh…

AIM: To mention some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves and explain how these mathematical models have been adapted for CFD calculations. To perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with the base mesh being 0.5 mm and…

Aim To perform volumetric meshing  on the given model of BMW car geometry. Objective 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. Target lengths for the different parts of a model…

Aim: For the given models, check for the geometrical errors and delete surfaces which are unwanted for Surface wrap as shown in the videos. After clearing geometry, Merge all 3 models and perform surface wrap. Objective: Target length for Wrap = 3 mmWrite a detailed report on steps followed to finish this challenge. Conclusion:…

AIM : To create a Rankine Cycle Simulator using MATLAB. OBJECTIVE : To calculate the state points of the Rankine Cycle based on user inputs.  To plot the corresponding T-s and h-s plots for the given set of inputs. THEORY :-                RANKINE…

  OBJECTIVE The objective of the project is to design the class B and C surface for the Base bracket with the given class A surface and Draft analysis must be carried out by creating a perfect Tooling direction by using the Bisecting method. INTRODUCTION The Draft Analysis command enables you to detect if…

Objective: The main objective of this challenge is to create a 3D solid body from the above-given class A surface, with the help of a tooling axis of the class A surface. Perform the draft analysis for the solid part body at the end. Tooling Direction In Molding, machine arrangement is given to open the mould along…

BUMPER DESIGN AIM: to make a model from the provided class-A surface. INTRODUCTION: CLASS-A SURFACE: a surface made by the designer which is given as an input to the plastic modeler to work on. It is aesthetic surface and the outer most surface. CLASS-B SURFACE: a surface below a certain thickness from the…

DOOR HANDLE Tooling Axis creation: It is defined as the direction in which the mould/core and cavity open. Selection of the direction of the tooling axis depends on the ease at which components can be easily ejected.   By analysing the component the most easily ejectable direction is somewhere close to the Z direction,(might…

DOG HOUSE DESIGN ON DOOR TRIM. AIM- Create the Dog House for the Door Trim considering the design rules. C is where the doghouse contacts the back side of the surface Doghouse wall thickness at the intersection of the part wall (C ) should be 40% or less than the main wall stock (T). Height of (B) should be between…

DOOR TRIM LOWER Aim: To Create the Door trim lower component through the given Class-A surface. Objectives: Creation of Tooling axis with appropriate draft angle. Creation of other surfaces (eg, B and C surfaces) for creating a solid component. • Perform Draft analysis on Class A surface and Solid model hence created.…

DESIGNING A PILLAR USING MASTER SECTION OBJECTIVES To improvise the Class A surface by resolving bad patches and adding flanges to it.  To create A pillar solid model with the help of  improvised class A surface. To create B side features for the A Pillar using the master section given to us as an input. To create…

Front View Top View Side View Isometric View Draft Sheet  

AIM: To create 2 assemblies according to the content covered in the course videos. You will be provided with 2D diagrams of the components and you will have to first create the individual part files and then create a complete assembly of those part files in the assembly workbench. After creating the assembly make use of…