Week 5.1 - Mid term project - Solving the steady and unsteady 2D heat conduction problem

Objective : Route the Wiring harness on Given car body and Prepare flatten view drawing in CATIA V5. Application of all Packaging rules, Industry best practices studied in this course shall be demonstrated in design. Apply Protection coverings as required. Prepare & Submit all necessary reports like clearance, Clipping/Clamping…

Objective :Route the Wiring harness on Given Engine and Prepare flattened view drawing in CATIA V5. Application of all Packaging rules, Industry best practices studied in this course shall be demonstrated in design. Apply Protection coverings as required. Prepare & Submit all necessary reports like clearance, Clipping/Clamping…

Question :  Flatten the harness assembly completed in “ week 4 challenge”. Place the flattened view on drawing sheet. Ensure bundles with protective coverings has different visuals on drawing view.   Answer : Opened  a new product in Electrical harness flattening workbench and named it as Wiring…

Objective : Q1. Route the following harness layout in Electrical workbench. Make assumption for harness bundle diameters. Use the connectors provided. After completion of routing, Check the bundle Continuity. Add snap of result in submission Add annotation to all connectors. Make an assumptions for annotations like connect…

Objective :  Route the following harness layout in Electrical workbench. Make assumption for harness bundle diameters. Use Following connectors as shown in layout diagram.   Add protective covering on all branches connected to DT06-2S & DT06-4S connectors. Keep end extremity at 30mm (from connectors end)…

Q1. Download following cad data & define it as Electrical support using Electrical Part design Workbench. Define all the necessary properties. Q2. Download following Back shell cad data & define it as Electrical back shell using Electrical Part design Workbench. Define all the necessary properties. Q3. Create Following…

Objective : To import 2 connectors and one clip and define the as connectors and clip and give all necessary properties .    Answer:  1. Imported Deutsch DT06 connector to part work bench .  2. Defined the connector connection point and connection axis system .  Point at center of the mating face Y axis towards direction…

Objective :  1. To asselmble the butterfly valve 2. To apply GD and T to the assembly  Answers : 1. Imported all the part files to assembly workbench . 2. Alligned the disc scre holes with shaft screw holes  3. Constrained the disc and shaft using surface to surface touch  4. Alligned the screw axis to disc hole axis .…

Objective: 1)To create Back door design from given class A surface . 2) To provide reinforcements and emboss wherever required   Introduction:   A car door is a type of door opening, typically hinged on its front edge, but sometimes attached by other mechanisms such as tracks, for entering and exiting a vehicle. Doors…

Objective: 1) To create reinforcements and flanges for the given Roof styling component according to given master sections.  2) Perform roof curvature analysis and check for the correct position of bow roofs .    Answer:  Introduction: Roof of an automobile is the assembly which is at the top of passenger cabin . The primary…

Objective:  To design drip area , sill mount , cowl mount, bumper mount and A pillar mount from given master section and according to engineering standards.   Answers: Introduction  Fender is a part of an automobile that frames the wheel . A car has 4 fenders i.e 2 in the front and 2 at the back . …

Objective: To check whether the fender design will pass European standards .    Answer: In order to pass EU standards ,  L at SA,SB,SC,SD,SE should be >10mm .  SL No  Name   Distance from fender    L in mm 1 SA   10 2 SB 24.78 3 SC 0 4 SD 0 5 SE 2.072       From the measurements we have taken , Fender region corresponding…

OBJECTIVE: Use the Section from your Hood design and calculate the section modulus using the formula S = I/y S = Section Modulus I = Moment of Inertia y = distance between the neutral axis and the extreme end of the object  Come up with a new section that has improved the section modulus of the previous section and…

  Objective: Design Hood outer panel, inner panel and the necessary reinforcements by following the Master section mentioned with the design parameter explained in the videos. Submit an assembly of Hood inner panel, outer panel, latch, hinge and the reinforcements   Introduction : A car hood also referred to…

Objective:  Write one page about Underbody coating and its purposes. Answer: 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…

Objective: 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…

Aim : To create a CAD model of a  side door trim panel from given class A surface .  Objective:  a) Creation of side door trim panle from given class A surface . Apply thickness to it and use attachment features .  b) Creation of flanges and heat stakes from given master sections . c) Creation of dog…

Objective: 1) Create a tooling axis for the given component .  2) Create B surface and C surface for the given Class A surface. 3) Create a solid component using a closed surface from the above surfaces . 4) Create B side features (Ribs and Screw Boss) as per given master section . Answers: 1) Creation of tooling axis…

Objective: Create the 2 assemblies as per given diagrams and create drawing sheets for each of them .  Answer: Assembly1 : Quick return mechanism Assembly2: CV Joint   Introduction: Quick return mechanism : A quick return mechanism is an apparatus to produce a reciprocating motion in which the time…

Objective: 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.    Answer:   1) Draft Analysis Draft…

 Objective:   Create the boss and Dog House for the Centre console coin holder considering the design rules mentioned in the video.  Answer:   1) Draft Analysis Draft analysis is done to ensure that the designed part is manufacturable based on the draft conditions applied. It is done to ensure the proper…

Objective:   Create the rib for the Centre console coin holder considering the design rules mentioned in the video.    Answers:   1) Draft Analysis Draft analysis is done to ensure that the designed part is manufacturable based on the draft conditions applied. It is done to ensure the proper ejection…

Objective: To create the Core and cavity blocks for the switch bezel designed in the earlier challenge. Asnwer:   1) Draft Analysis Draft analysis is done to ensure that the designed part is manufacturable based on the draft conditions applied. It is done to ensure the proper ejection of the component from dies(for…

Objective: 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.    Answers:   1) Draft Analysis Draft…

Objective: 1)To create B Surface and C surface of the given component at a thickness of 2.5 mm 2) To create a tooling axis for the above component .  3) To create a solid from the closed surface of the above component  4) To conduct draft analysis on the given component and solid .    Answer:  …

Objective:   Create the Switch Bezel 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. Take the Thickness of the component to be 2.5…

 Objective: 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.  Answer:   1) Draft Analysis Draft analysis…

Objective:  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. Answer: 1) Draft Analysis Draft analysis is done to ensure that the designed part is manufacturable based on the draft conditions applied. It is done to ensure…

Objective : Part 1 : To Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species’ in the simulation using line probes at different locations of the combustor and plot for CO2, H2O, CH4, N2, O2, NOx emissions & Soot formation.  Part 2 : To…

Aim :  1) To perform a parametric study on gate valve simulation by varying the valve opening measurements .  2) Obtain mass flow rates at outlet for each design points . 3) Calculate flow co-efficient and flow factor for each opening and plot the graph .  4) Discuss results for mass flow rate and flow co-efficient…

Aim : 1) To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop. 2) To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  3)To perform an analysis on a given cyclone separator model by varying the particle diameter…

Objective: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove that the simulation has achieved convergence with appropriate images and plots. Identify potential…

Objective : 1) Name few practical CFD models based on analysis of Rayleigh Taylor waves . Explain how they have been adapted for CFD calculations.  2) Perform Rayleigh Taylor simulations for 2 mesh sizes with base mesh .5mm . Upload animations for the same and explain the effect of mesh size on the simuation . Explain…

Objectives:   Give a brief description of why and where a CHT analysis is used Calculate the wall/surface heat transfer coefficient on the internal solid surface & show the velocity & temperature contours in appropriate areas. Verify if the HTC predictions from the simulations are right? On what factors does…

Objective : 1)  Describe Ahmed's body and its importance. 2) Explain the reason for the negative pressure in the wake region.  3) Explain the significance of the point of separation.  4) Plot Velocity and pressure contours.  5)  The drag coefficient plot for a refined case. ( For velocity…

Objective : 1) Explain phenomenon of Karman-Vortex street 2) Set up a simulation for flow over a cylinder a)Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100.  b)Calculate the coefficient of drag and lift over a cylinder by setting the Reynolds number to   …

Objective :  1) To set up  steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C for 2 given models . 2) To compare the results while using k-omega sst and k-epsilon for first model and hence use most suited method for further calculations…

Objective :  a)To simulate the flow through a pipe of circular cross section (reduced to a wedge for ease of computation)by applying symmetry boundary condition and varying wedge angle to case1 :10 degrees. case 2:25 degrees. case 3: 45 degrees .  b)  Validate Hydro-dynamic length with the numerical result…

Objective: a) To simulate an axi-symmetrix flow by applying wedge boundary condition for a laminar flow through a pipe of constant diamter .  b) Write  a code in matlab to auto-generate the blockMeshDict file for this simulation .  c)   Validate Hydro-dynamic length with the numerical result Validate the fully developed…

Objective :  1) Explain what is Finite Volume Method .  2) Explain major difference between FDM and FVM .  3) Explain need for interpolation schemes and flux limiters in FVM .  Answers :  1) In finite volume method , we convert the given differential equation into divergence form. This effectively…

Objective: 1)To  simulate an incomressible laminar viscous flow thoriugh a backward facing step geometry as transient a transient case .  2) Case 1 - Simulate the flow without using any grading factor (i.e., GF = 1) 3)Case 2 - Simulate the flow with grading factor of 0.2. The cells should be finer…

Objective :  Case : 1D Supersonic flow through a convergent-divergent nozzle.  a) To derive and solve conservative and non-conservatice forms of governing equations for  and solve them using MacCormack's method . b) Determine steady state temperature distribution for flow field variables and differentiate…

Objective :  1)  a) To solve 2D steady state equation using steady state analysis using  point iterative technique (1.Jacobi 2. Gauss seidel 3. Successive over relaxation) b) To solve 2D steady state equation using transient state analysis using explicit and implicit method .  2) To plot graph for temperature…

Objective:  a)To write a code to calculate error values for central differencing , right skew and left skew method of approximations of fourth order derivatives of given function . b) To plot dx Vs error graphs for all 3 cases.    Theory : According to Taylor series , we can calculate 4th order approximations…

Objective : 1) To write a program that calculates the state points of a Rankine Cycle based upon user input of pressure at condenser and turbine and temperature at turbine .  2) Plot T-S and H-S diagram for the  corresponding values obtained .   Theory : Rankine cycle is a thermodynamic cycle that is…

Objective :  1) To write a function to extract 14 co-efficients from the given data file and calculate Specific heat (Cp) , Enthalpy (H)     and entropy(S) for all the species  .  2) To calculate Molecular Weight for all species and display it .  3) Plot Cp , H and S vs Temperature for local…

objective: 1) To write a code to optimise stalagmite function and find global maxima . 2) Explain the concept of genetic algorithm and explain the syntax for ga in MATLAB .  3) Ensure that the code gives consistent output over multiple runs . 4) Plot graphs for all the 3 cases and function max value vs number of iterations…

Objective: 1) To write a program to plot pendulum motion vs time . 2) To write a program to animate motion of pendulum with given properties.    Theory :  From force balance equation :  `d^2/dt^2 theta` + b/m `d/dt theta` + g/l sin`theta` = 0 Let `theta = theta1` then , `d/dt theta = d/dt…

Objective  1) To follow either of the given unit systems . 2) To create appropriate interface with friction 0.2 and recommended parameters .  3) To check for initial penetrations and intersections . 4) To create a rigid wall with friction 0.1 . 5) To add mass to make total weight 700 kg and position CG at required…

Objective :  1) To check for unit system of the given model . 2)To create appropriate interface to the given model , with friction value as 0.2 and all other values as recommended paramters . 3) To check for initial penetrations and intersections .  4) To check and correct rigid body issues if any .  5)To create a rigid…

Objective : 1) To mesh the given component according to givrn quality criteria .  2)   a)To Run the crash tube model as it is b) The change Inacti to 6 and run the model . c) To create type 11 contact and run the model. d) Remove both notch and remove the boundary condition on rigid body and then run the…

The Radios file was imported using Radios solver deck option . 1. To change the run time to 55 secs , ENG RUN card was opened and tstop value was entered as 55 .  2. The number of animation steps was changed to 50 .  Hence Tfreq value under ENG_ANIM_DT card was changed to 1.1 .  3. The base simulation was…

1. To calculate the speed of sound in steel rail  We know that Speed C = sqrt(E/Rho) where C = speed of sound  E = Youngs Modulus Rho= Density of Material . C= sqrt(210000/.0078) =5188.745 m/s       2. & 3.  Given : Length of rail L = 1000mm To find time  of shock wave to travel length…

Objective :  1) To perform Geometric clean up on given models . 2) To extract midsurface . 3) To clean up Geometry of midsurface and to remove holes less than dia = 5mm 4) To mesh the components with given quality criteria .  5) To assign thickness to given models .    Procedure :  Model 1 …

Objective : To mesh the given component according to given quality criteria and assign thickness. Procedure : The given model was imported and visually inspected for surface deformations. The geometry colour mode was set to By Topo for identification of free edges .  Step 1 : Geometry Clean up The free edges  on the surfaces…

Objective : To follow the quality criteria and mesh the given component and assign thickness . Procedure : The given model was imported and visually inspected for surface deformations. The geometry colour mode was set to By Topo for identification of free edges .  Step 1 : Geometry Clean up The free edges  on the surfaces…

Objective : To create connectors and attach various parts of the given model as per given types .  Procedure : The given model was imported and visually inspected. All the components were meshed with target element length of 5 by automesh option in 2D module. Tria elements were removed from free edges using Drag tria…

Objective : 1) To create tetra mesh for the given component with given element criteria .                  2) To create a 3D mesh for the two given models with element size 6mm and 0 element failing for tet collapse .    Procedure :  The given models were impoted…

Objective : To create  midsurfaces and mesh the given components according to given specifications .    Procedure :  The given model  was imported and visually inspected .  There are 4 parts , namely inner body ,outer body , a pair of hinges and a latch .   Midsurfaces were created…

Objective : To create 1D elements on the given component with given cross section and DOF .  Procedure : The image was imported and inspected . The display fixed points function was used to highlight fixed points . The solids were removed from the component  and two midsurfaces were extracted seperately. …