Week 3 - Solving second order ODEs

 Q1. What is BIW & define its parts? Body in White, or BIW, is a stage in the production of automobiles in which all sheet metal components such as the roof, body side, underbody, backdoor, cross members, and other components are welded together and the resulting body is dipped in a primer solution, which has a greyish…

AIM: To Design the outer upper and lower panel, inner panel with the necessary reinforcements by following the Master section with the design parameter for the given class A surface.  INTRODUCTION: A door is a hinged part which is used for entry and exit of the vehicles. Back doors are one of the type doors of the vehicle…

AIM:  To Design Roof, Front roof rail, Rear Roof Rail, Bow Roofs, and reinforcement roof centre by following the Master section with the design parameter for the given class A surface. INTRODUCTION:  An automobile roof or car top is the portion of an automobile that sits above the passenger compartment, protecting the…

AIM: To devolop and design a fender with the given mastersection for the drip area and create flanges in all other respective mounting areas following the design parameters. INTRODUCTION: Fender is the American English term for the part of an automobile, motorcycle or other vehicle body that frames a wheel well (the fender…

AIM: To create the section for hood and calculate Section Modulus and optimize the Section Modulus for the same.  INTRODUCTION: Section modulus is a geometric property for a given cross-section used in the design of beams or any component with flexural properties. Other geometric properties used…

AIM: To design the automotive hood component which includes the outer panel, inner panel, hinge as well as latch assembly with the necessary reinforcements following the master section with the design guidelines and parameters. ABSTRACT: A car hood is the metal part that covers the engine of an automobile. The term car…

UNDERBODY COATING: Underbody coating is coating of the structural components with the application of Teflon or rubberized paint under a vehicle. The primary reason for the coating is to prevent the body from corrosion. The car’s underbody is often exposed to a lot of wear and tear from potholes, muddy water,…

Aim:  To prepare a report explaining what is benchmarking, compare at least 4 vehicles and provide a proper conclusion for the report, suggesting a suitable vehicle among the comparison made.  What is Benchmarking? It is the process of comparing one's business process and performance metrics to industries bests…

AIM: To create a CAD model of a Side Door trim panel considering the class A surface, nominal thickness and Attachment strategy. OBJECTIVE: Creation of side door panel of a car with the given class A surface and devolop the thickness along with the attachment strategy. Creation of flanges and thickening can be devoped…

As I have completed this Door Applique challenge at the Skill centre with the latest version of catia, and  I'm not able to open the same file with the cracked version of catia. So I'm not able to upload any screenshots or any detailed report of the same. I'm uploading only the CAD file.

AIM: To design the door arm rest of the side door with the part thickness of 2.5mm from the aesthetic class A surface. PROCEDURE: First create the tooling axis for the part which will clear the entire part with a draft angle of a minimum of 3 degree. Inorder to create a tooling axis, first create a point in the bottom…

AIM: To create the dog house and screw boss with proper design rules and criterias The draft analysis for the same is shown below with main tooling and side tooling axis TREE STRUCTURE:

AIM: To create the Ribs with proper design rules and criterias and apply draft to the ribs for a value of 0.5 The Draft analysis done on the ribs is shown below: TREE STRUCTURE: DESIGN RULES:

AIM: To show the Parting line and Parting surface of Switch bezzel component and thereby design the core and cavity block of the same PARTING LINE: A 'parting line' is the line of separation on the plastic part where the two halves of the plastic injection mold meet. The line actually indicates…

AIM: To design a B pillar with the given mastersection to follow the design criteria and thickness and thereby devolop a closed volume part. INTRODUCTION: The B-pillar is the post between the front and back seat doors of a car, connecting the roof to the body. It can also be defined as the vertical roof support structure…

AIM: To devolop a matlab program to simulate the Rankine cycle from the XSteam library and to calculate the thermal efficiency and plot the T-S and   H-S diagram for the same. DEFINITION: The Rankine cycle is a model used to predict the performance of steam turbine systems. The Rankine cycle is an idealized thermodynamic…

AIM: To write a Matlab program to extract the 14 co-efficients from NASA thermodynamic data file and to calculates the enthalpy, entropy and specific heats for all the species in the data file and thereafter plotting the graphs of every species and to find the molecular mass of the same. FILE PARSING: Parsing in computer…

AIM: To devolop a code in Matlab to optimize the stalagmite function and find the global maxima of the function. INTRODUCTION: The genetic algorithm is inspired by the process that drives biological evolution. The process of evolution starts with the selection of fittest individuals from a population. Then they produce…

AIM: To solve a second order differential equation using Matlab with the example of a simple pendulum which depicts the motion of it and plot the graph and animation of the same. THEORY: Ordinary Differential Equations (ODEs) - It is a differential equation containing one or more functions of one independent variable and…

AIM: To analyse and simulate the frontal crash of a BIW car and thereafter observe the resultant output request and energy differences across the model. OBJECTIVE: Check unit system, which has to be followed in [Kg mm ms]. Create appropriate interface with friction 0.2 and recommended parameters (TYPE 7) Make sure of no…

AIM: To analyse and simulate the frontal crash of a BIW car and thereafter observe the resultant output request and energy differences across the model. OBJECTIVE: Check unit system, which has to be followed in [Kg mm ms]. Create appropriate interface with friction 0.2 and recommended parameters (TYPE 7) Make sure of no…

  OBJECTIVE: Create the mesh for bumper assembly with a mesh size of 6mm.  Run the crash tube model as it is. Change the property to Inacti=6 and run the model. Create the type 11 contact with the dafault values and run the simulation. Remove both notches from the tube and remove boundary condition on rigid body…

OBJECTIVE: 1. Run the crash test of Ball and Plate Simulation with 7 different cases to be analysed and simulated. 2.From all these cases find: Total number of cycles, Energy error, mass error and simulation time. Notice the animation of all 5 and describe the animations in brief on the basis of whether the elements are…

OBJECTIVE: 1. Run the crash test of  the given beam with a wall , with existing properties. 2. At the end of the simulation, do the energy error and mass error checks. 3. Plot rigid wall forces, internal energy, hourglass energy, contact energy, total energy and kinetic energy of the simulations. 4. Also do the…

1. To obtain the speed of sound in a steel rail, we need two unknowns such as Youngs modulus(E) and density(Rho) These values are available in the Material tab in the Entity bar. E= 210000      Rho= 0.0078 Speed of the sound(C)= Youngs modulus / Density                …

AIM: To create the midsurface as well as meshing on the given three components of Practice model, Clip repair and Mounting bracket with proper feature capturing and given Quality criteria with target length as 5mm, minimum length as 3.5mm and maximum length as 7mm. METHODOLOGY: Import the hypermesh model from the repective…

AIM: To extract the midsurface and generate the mesh in the given plastic model of a side door panel with the given quality criterias and a better mesh flow with capturing all necessary features and assign thickness to each component having varying thickness. OBJECTIVE: Cleanup the geometrical errors and remove all deformations…

To extract the midsurface and generate the mesh in the given sheet metal model of a floor panel with the given quality criterias and a better mesh flow with capturing all necessary features and assign thickness to each component having varying thickness. OBJECTIVE: Cleanup the geometrical errors and remove all deformations…

AIM: To create connectors on respective areas of a mid surface model inorder to connect or rigidize the model. PROCEDURE: Import the .STEP file from the file source folder. Use the option Import from geometry                                          In this model, 2D mesh need to performed with the given element size.…

AIM: To create the tetra meshing in three different models with the given quality parameters including minimum length, maximum length and tet-collapse also use the best meshing method to get the best mesh out of it. The different methods to generate a tetra mesh are: 2-D to 3-D conversion by using the tetra mesh panel…

AIM: To create the midsurface and meshing of the hood model which is divided into four components namely,  Latch  Hinge Outer panel and, Inner panel. For each components, check for geometry cleanup and extract the midsurface out of the parent geometry and devolop the meshing of the components with proper feature capturing…

AIM: Create 1D elements with given cross-section and DOF on a bracket design model inorder to make it stiff and rigid. The one dimensional elements used in this model are RBE2, RBE3, CROD, CBEAM, CBAR AND CELAS.   PROCEDURE: Import the IGS model from the file using import tool. Analyse and check the model for triple cons…

BASE MOUNT BRACKET : SKETCH SOLVING STATUS IMAGES

AIM: To create the volumetric mesh and two dimensional mesh for the given model of rear suspension with strut and lower arm assembly and to generate the appropriate connection inorder to make the entire model rigidized. REAR SUSPENSION: The rear suspension of a vehicle performs the same general function as front suspension,…

AIM: To check the geometrical errors in the IP Substrate model and convert the given component from three dimensional model to two dimensional by extracting mid surface from the parent geometry and therafter meshing the model with the given quality criteria and thereby devoloping a better mesh flow. QUALITY CRITERIA: The…