Hood design-Week 2

AIM: To run a simulation for the Neon Side Pole Crash and to obtain the results in the post processing. OBJECTIVE: To check the unit system in the solver. To create an appropriate interface with friction 0.2 and recommended parameters. To check for the penetrations and intersections in the component. To create cylindrical…

AIM: To run a simulation for the frontal crash [BIW] and to obtain a results in the post processing. OBJECTIVE: To check the unit system in the solver. To create an appropriate interface ,friction 0.2 and recommended parameters. To check for the penetrations and intersections. To create rigid wall with a friction 0.1.…

AIM: To Mesh the given crash tube model with 6mm size and run the crash tube model by using differnt types of contact interfaces. OBJECTIVE: Run the crash tube model with and without changing the parameters. Remove the notches from the crash tube model,Remove the boundary conditions from rigid body node and then run the…

AIM: To run the simualtion for the plate and rigid ball by using Jhonson Cook Material and Elasto Plastic Material with Brittle Failure as per the cases using Radioss solver. OBJECTIVE: 1. Law 2 (file: FAILURE_JOHNSON_0000.rad) - base simulation.2. Law 2 (file: FAILURE_JOHNSON_0000.rad) with Ifail_sh = 1, Dadv = 1, and…

AIM: To run the simulation for the given component with and without changing the recommended element parameters using radioss solver. OBJECTIVE: To change the run time to 55 ms and to change the number of animation steps to 60. To run the base simulation with default element parameters. To check the energy error and mass…

AIM: To perform 3D meshing on the given components with given quality parameters. OBJECTIVE: To check the material properties of the rail component and calculate the speed of sound in steel rail. To calculate the time takes for a shock wave to travel from one end of the rail to the other given that the length of the…

AIM: To create the midsurface and mesh the given component and assigning the thickness to the component by giving the target Element size. OBJECTIVE: Clean the geometry. Extract midsurface. Clean midsurface geometry. Ignore holes less than dia 5mm. Create 2D mesh with target length 5mm, min 3.5mm max 7mm. And assign proper…

AIM: To design Hood outer panel, inner panel and the necessary reinforcements by following the Master section mentioned with the design parameter explained. OBJECTIVE: Hood Thickness Information Outer Panel Thickness = 0.75mm Inner Panel Thickness = 0.75mm Reinforcement Thickness = 1.5mm INTRODUCTION: Hood is main…

AIM: To extract the midsurface of the given geometry and assign the property card to it. OBJECTIVE: Follow the below-mentioned quality criteria, mesh the component given below and assign thickness: Target Element Length = 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4…

Aim: To create the shell (2-D) meshing for the Car Side Door Panel by eliminating geometrical errors and considering the give element quality criteria using Hypermesh. OBJECTIVE: To Follow the Quality Criteria and mesh the following component and assign thickness: Target Element Length = 4 Units S.N Quality Criteria …

UNDERBODY COATING: The underbody coating a protecting process of our car from various weather conditions, in general, the premium cars have the underbody coating but most of the normal car doesn't have. And we see the before and after coating in the below image: PROS: The obvious pros of undercoating are the protection…

OBJECTIVE: 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 mesh the given geometry and create 1D connectors at desired locations using Hypermesh in optistruct. OBJECTIVE: The following connections have to be realized in each respective component: 1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) 2. Left_Rail_2 & Front_truss_1:- Quad…

AIM: To mesh the component using 3d tetra mesh under target element size based upon the geometry. OBJECTIVE:  Auto cleanup the geometry of the given component. 2D meshing the component. 3D tetrameshing the component using 2D elements. EXPLANATION: 1. Model is imported using the gui tool. the cad model is in .stp…

Aim: To extracting the mid-surface and meshing of the hood. OBJECTIVE: To extract the mid-surface from the given geometry(hood) and mesh the surface using the mixed elements wit given quality criteria and element length and assign thickness to it. THEORY AND EXPLANTION: The hood is an integral part of a car that covers…

AIM: To Mesh the Given component with the Size of 5 Units. Create 1D elements on the following component with given cross-section and DOF. OBJECTIVE:  A. ROD ELEMENT: Translational DOF should be Constrained with RBE2 link Cross-Section: BOX- Dimension a= 12 mm              …

AIM: To Perform the simulation analysis using methane-air fuel mixture and plot the variation of mass fraction of different species using line probes at different locations. OBJECTIVE: Part I Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species’…

AIM: To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.  OBJECTIVE: 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 flow rate and flow…

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…

AIM: To Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. 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…

AIM: To conduct some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves. OBJECTIVE: Perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with the base mesh being 0.5 mm. Observe the differences in the animation and explain the effect of mesh size…

AIM: To simulate conjugate heat transfer through of an automobile exhaust port. OBJECTIVE:  1. Observe the y+ value over the geometry. 2. Create an animation of parameters varying through the geometry. 3. Calculate the wall/surface heat transfer coefficient on the internal solid surface & plot the velocity…

AIM: To simulate the geometry of Ahmed body using the 'split body' command in SpaceClaim to perform the operation and then you can use the symmetry boundary condition in fluent to perform the simulation.  OBJECTIVES: 1. Velocity and pressure contours.  2. The drag coefficient plot for a refined case. ( For…

AIM: To simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.  OBJECTIVE:  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 Reynolds…

AIM: To create two versions of the longer and short mixing tee. OBJECTIVE: To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C. Use k-epsilon and k-omega SST model. Case 1  Short mixing tee with a hot inlet velocity of 3m/s.…

AIM: To simulate the axis-symmetric flow by applying the Symmetry Boundary Condition. Also to simulate for the below-mentioned angles using both symmetry and wedge boundary conditions. OBJECTIVE: 1. Do the simulation for the below mentioned angles using both symmetry and wedge boundary conditions Angles to test: Ten degrees…

AIM: To Simulate the axi-symmetric flow through a pipe by applying the wedge boundary condition on openFoam. OBJECTIVE: Validate Hydro-dynamic length with the numerical result Validate the fully developed flow velocity profile with its analytical profile Validate maximum velocity and pressured drop for fully…

AIM: To describe the need for interpolation schemes and flux limiters in FVM. OBJECTIVE: You can use the 1D linear heat conduction equation as an example.  To define Finite Volume Method(FVM), write down the major differences between FDM & FVM. THEORY: In computational fluid dynamics there are 3 numerical…

AIM: To simulate an incompressible-laminar-viscous flow through the backward facing step geometry. OBJECTIVES: 1. Simulate incompressible laminar viscous flow through BFS geometry using solvers in OpenFoam. 2. To compare the results of different grading i.e., 1 and 0.2 respectively any explaining the importance in…

AIM: To write a matlab code on Simulation of a 1D Super-sonic nozzle flow simulation using Macormack Method. OBJECTIVE: Steady-state distribution of primitive variables inside the nozzle. Time-wise variation of the primitive variables. Variation of Mass flow rate distribution inside the nozzle at different time steps…

AIM: To write a program for solving the steady and unsteady 2D heat conduction problem. OBJECTIVE: Steady state analysis & Transient State Analysis. Solve the 2D heat conduction equation by using the point iterative techniques. Implement the following methods for solving implicit equations.        1.…

AIM: To write a program for in MATLAB for 4 order approximation for second order derivative by following methods:                 1. Central difference                 2. Skewed right sided difference          …

AIM: To write a program of Rankine Cycle Simulator using MATLAB based on inputs. obejctive: Plot the corresponding T-s and h-s plots for the given set of inputs.  INPUTS REQUIRED: Turbine Inlet temperature = 400° C.   Turbine Inlet Pressure = 30 bars.   Turbine Outlet Pressure = 0.05 bars =…

AIM: To write a code in Matlab to parse the NASA thermodynamic data file and then calculate the thermodynamic properties of  various gas species. Objective: Calculate the molecular weight of each species and display it in the command window. Plot the Cp, Enthalpy, and Entropy for the local temperature range (low…

AIM: To write a code in MATLAB and to optimise the stalagmite function to find the global maxima of the function. OBJECTIVE:  Expalin the concept of genetic algorithm in your own words and also explain the syntax for ga. Plot graphs for all 3 studies and for F maximum vs no. of iterations. INTRODUCTION: GENETIC ALGORITHM:…

AIM: To write a program that solves the following ODE. This ODE represents the equation of motion of a simple pendulum with damping. OBJECTIVE:  The pendulum moves depends on the Newtons second law. When this law is written down, we get a second order Ordinary Differential Equation that describes the position of the…

1. AIM: To study and analyze the BAJA all-terrain vehicle ATV model. OBJECTIVES: To study the various results obtained from the model and to prepare a detail report based on results obtained. The models are: 1. BAJA ATV model without a dashboard. 2. BAJA ATV model with dashboard. 3. BAJA ATV model using lookup table without…

1. AIM: To implement control logic of a “washing machine” using Stateflow as per given sequence and the following simulations shoould be done as follows: If the power supply is available, the system gets activated. If the Water supply is not available, stop the process & indicate through LED. Soaking time…

1. AIM: To make the Doorbel using Solenoid block on Simulink model basis. Blocks used: 1. Pulse Generator                       2. Simulink-PS converter                      3. Switch      …