Week-4 Challenge WOT Condition Part-2

Challenge : 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…

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. But even if you are getting the undercoating applied after a couple of years, it’s fine too.…

To : 1. Benchmark with presently available cars in the market for the following case. Mr. D.S. Pughazhyendhii is a married man who lives in Bangalore which is a highly crowded city. His Family comprises five members including his wife, five-year-old boy, his father, and his mother. He visits his native place Madurai…

AIM : To work with class A surface of B pillar, create class B&C surfaces , convert them into part, add dog house and ribs in CATIA. PROCEDURE :  Go to generative shape design. Class A surface is given.   Master section is studied for the measuring thickness and place where dog house has to be placed. Tooling…

AIM : To create the Door Applique Plastic component through the given Class-A surface. To begin with, the tooling axis for the given Class-A Surface should be created meeting the requirements of the draft angle and at the end perform the Draft analysis on the model.  STEPS :  Given class A   Extract top…

AIM : To Create the boss and Dog House for the Centre console coin holder considering the design rules. Rules to be followed for screw boss and dog house. STEPS : SCREW BOSS Insert geometric set. Use positioned sketch to draw bosses.   Use pad option to convert it into a body.   Ribs for bosses have to be drawn.…

AIM : To create the rib for the Centre console coin holder considering the design rules. STEPS :  Insert geometric set for rib creation. Using positioned sketch and consider the bottom part as reference surface. Make sure the attachment features to lie on class B.   Im generative shape design, use the drawn line…

AIM : To create core and cavity block. Molding is a manufacturing technique which is used to shape molten or pliable raw material using rigid frame called mold or matrix. Core block forms internal block of mold and Cavity forms external block of mold. Class A surface of witch bezel. Class B is generated.   In the…

AIM : To create door arm rest and add thickness to it.  Commonly used commands or features. Sweep is used to generate surface along extracted boundaries. There are various methods of sweep. Here we have used with reference surface. Where guide curve is selected as extracted boundary and reference surface is the one…

AIM : To Create the coin holder Plastic component through the given Class-A surface. To begin with, the tooling axis for the given Class-A Surface should be created meeting the requirements of the draft angle and at the end perform the Draft analysis on the model.  PROCESS :  Commands or features used. Offset…

AIM : To Create the switch Bazel Plastic component through the given Class-A surface. To begin with, the tooling axis for the given Class-A Surface should be created meeting the requirements of the draft angle and at the end perform the Draft analysis on the model.  PROCESS :  Commands or features used. Offset…

AIM : To Create the Base Bracket Plastic component through the given Class-A surface. To begin with, the tooling axis for the given Class-A Surface should be created meeting the requirements of the draft angle and at the end perform the Draft analysis on the model.  PROCESS :  Commands or features used. Offset…

AIM : To Create the tooling axis for the given Fan cover model meeting the requirements of the draft angle and perform the Draft analysis on the model. PROCESS :  *Drafting analysis has to be done to measure the angles of different surfaces. *This helps us to get mould parts with accuracy.  *The given model is…

AIM : To evaluate thermodynamics properties such as specific heat,entropy and enthalpy and to calculate molecular weight of atoms through NASA thermodynamics data file . SPECIFIC HEAT : The amount of heat required to rsie temperature of 1 kg of a body through unit degree C. ENTROPY : The measure of disorder of a system.…

AIM   To create a detailed MATLAB model of an electric rickshaw (three wheel passenger vehicle) as per details below:  Rear wheels driven by PM brushed type motor Assume efficiency points of motor controller and motor Make an excel sheet of all input and assumed data  Results: For any three standard…

Battery pack capacity: 18 kWh Cell: ANR26650M1-B   Nanophosphate - High power lithium ion cell fig1 Series and parallel connections  In series circuit connection, components are connected end to end while in parallel ,all components are connected across each other forming electrically common points. …

AIM : To prepare a report summarizing thermal management techniques for electric car battery pack. SOLUTION :  Battery management system is an electronic system which safegaurds rechargeable battery by making it operate within the given operating range like preventing it from over charging, maintaining a proper discharge…

AIM : To explain how weakest cell limits the usable capacity of the battery pack and give a solution.  SOLUTION :  A cell refers to anode and cathode separated by electrolye which is used to produce voltage and current. A battery may be made up of one or more cells. When a battery pack is designed using multiple…

AIM : To define coulomb counting and find how BMS implements coulomb counting for SOC estimation State Of Charge of Battery  *SOC of a battery is defined as the ratio of its current capacity to the nominal capacity  The nominal capacity is given by the manufacturer and represents the maximum amount…

AIM : To simulate generic battery model charge discharge using UDDS data. SOLUTION :  A drive cycle is a series of data points representing speed vs time. They are used to study about the performance of the vehicles, fuel consumption and economy.  Generic battery models are popular types of rechargeable batteries.…

Types of lilithium ion cells and materials ANODE CATHODE ELECTROLYTE SEPARATOR ANODIC REACTION CATHODIC REACTION OVERALL REACTION APPLICATIONS Lithium Cobalt Oxide-LCO(LiCoO2) graphite carbon cobalt oxide Lithium Hexafluorophosphate-LiPF6 Polyolefin C6Li=6C+Li(+1)+e(-) CoO2+xLi(+)+x e(-)=LiCoO2 C6+LiCoO2=LiC(6)+CoO2…

AIM : 1. To calculate the energy required for braking.          2. To explain electric and mechanical brakes and how they are co-ordinated also explain why electric motor can’t develop braking torque at high speed similar to starting.          3. To…

AIM : 1.To run MATLAB demo ‘Speed control of a DC motor using BJT H-bridge' and to modify the model such that armature current doesn’t shoot up when motor changes direction from forward to reverse.            2.To compare ‘The Four-Quadrant Chopper DC Drive (DC7)…

 AIM : 1.To discuss about different power converters in EV           2.To calculate EV steady state speed if duty cycle is 70%           3.To explain induction motor and DC brushless motor. SOLUTION :  1.  * The usage of electrical system in vehicle has made…

AIM : 1.To explain the difference between mapped and dynamic model of engine, motor and generator and change model type.           2.To calculate miles per gallon and list factors influencing fuel flow.          3.To run the HEV ReferenceApplication…

AIM : To use advisor tool and simulate the following.        1.   For EV_defaults_in file, if cargo mass is 500 kg with all other default conditions, can the vehicle travel for 45 km with FTP drive cycle?    2.   In the above case, to change the battery capacity and repeat…

AIM: To implement control logic of washing machine using stateflow.          To make simulink chart for the gear shift. WASHING MACHINE :     fig 1 * The above image represents washing machine model in simulink. The system works according the initial conditions of power and supply.…

 AIM : To make a simluink model of doorbell using solenoid block & To sense temperature of heater and turn it on and off using thermistor and other coressponding components. MODEL OF DOOR BELL :  COMPONENTS AND USAGE :  PULSE GENERATOR  : Used to give input pusle signals. BATTERY : Acts as power…

AIM : To write code in matlab to optimize stalagmite function and find global maxima. OPTIMISATION : Optimisation is a decision making process. Optimisation is important to get best results which includes adding or lowering a value in a sysem. This helps us to get a better efficiency and reliability of a system. GENETIC…

AIM : To create an image that represents position of pendulum and to animate it using ODE in matlab SIMPLE PENDULUM : A simple pendulum is nothing but a mass suspended at one end freely from a fixed rigid end. Usually inextensible strings are used to suspend the mass.  SOLVING ODE :  Let theta = theta 1 --(1)…

AIM :          *To import given rear suspension model into ansa.          *To check geometrical errors and fix them           *To perform mid surfacing in the required parts and          *To perform connections. PROCEDURE :  GEOMETRICAL CLEAN UP : I) Apply topology to fix the parts that are not joined.  II) Go to check…

Aim : To perform following operations in the given model (Dash board) Geometry clean up,Topology,mid surfacing and meshing.  Proceudre : First import the model into ANSA. and select topo module. Geometry clean up : *Apply topology to fix the parts that arent joined properly.  *Now go to check manager , click on geometry.…

AIM : To fix gemetrical errors and execute morphing in the given component in ANSA .  PROCEDURE :  Fixing geometrical errors : To import given model in ANSA. Topology is applied to the component to stitch all parts together. Next,geometry check is done on the model. Geometrical errors are fixed by auto fix option.…

AIM : to perform connections in the necessary areas and perform analysation in the given FE model in ANSA  Procedure : FE rear door model is imported.  BEFORE CARRYING OUT CONNECTIONS : geometry check is done. a model consists of different connections. connections are done between two or more components to form…

2 days

AIM : To check for geometrical errors an fix them and execution of solid mesh using ansa software. PROCEDURE : we use tetra mesh(tria). the surface mesh is transformed into a volume mesh. Mid surface is not generated here as the model dont consists of a uniform thickness. only by a thickness value, its possible for us…

took 2 days

Aim : Here aim is to extract the mid surface and execute meshing in a complex plastic surface and finally analye it. Procedue : firstly the model is imported in ansa. after importing the model the shell elemental length is set in perimeters. this fixes the perimeters with the given value. geometry check is done in the…

Aim: To generate mid surface and meshing in the given model. geometric errors and qualities are fixed in the process. Procedure : 1.first ANSA is opened and the model is imported. 2. the whole model is selected and topology is applied. using check geometry , model is checked for errors and it is either auto fixed or manually…