AIM Validation of Experimental and CFD Techniques for Flow Analysis over an Ahmed Body, using Star CCM+. Introduction The “Ahmed” body, has the form of a highly simplified car, consisting of a blunt nose with rounded edges fixed onto a box-like middle section and a rear end that has an upper slanted surface (like a “hatch-back”…

AIM Solve the 2D heat conduction equation by using the point iterative techniques for Steady and transient State. We will be implementing the following methods 1. Jacobi 2. Gauss-seidel 3. Successive over-relaxation Assumption 1.  The domain is a unit square.  2.  nx = ny [Number of points along the x-direction…

Aim The purpose of this project to simulate the laminar incompressible flow through the pipe, with different wedge angles. Write a program in Matlab that can generate the computational mesh automatically for any wedge angle and grading schemes. For a baseline mesh, show that the velocity profile matches with the Hagen…

AIM To perform a steady-state CHT analysis on a graphics card. OBJECTIVE  1. Find out the maximum temperature attained by the processor. 2. Prove that the simulation has achieved convergence with appropriate images and plots. 3. Find out the heat transfer coefficient in appropriate areas of the model. 4. Identify…

AIM Write code for the 1D supersonic nozzle flow equations using the Macormack Method, for conservative and non-conservative approach. Figure out the minimum number of cycles for which the simulation should be run in order for convergence Compare the normalized mass flow rate between the conservative forms and non-conservative…

AIM 1. Run the case at 1800 rpm and list down important parameters. airflow rate BMEP BSFC In-cylinder pressure 2. Increase the power output at 3600 rpm by 10%. INTRODUCTION A spark-ignition engine (SI engine) is an internal combustion engine generally petrol engine, where the combustion process of the air-fuel…

AIM To simulate the full hydro case setup of the PFI engine.  What is the compression ratio of this engine? Why do we need a wall heat transfer model? Why can't we predict the wall temperature from the CFD simulation? Calculate the combustion efficiency of this engine Use the engine performance calculator, to determine…

AIM Setup a transient shock tube simulation Plot the pressure and temperature history in the entire domain. Plot the cell count as a function of time. INTRODUCTION Shock tubes are devices for studying the flow of high-temperature and high-velocity compressible gas. High-temperature supersonic gas flow is initiated in a…

AIM To calculate the maximum speed of the motor, with given type data :                  i. 90/100 R10 53J                 ii. 90/90 R18 51P     …

AIM 1. Tutorial- single cyl DI add case 2 with discretization length 0.1 mm for intake runner and compare with a default case. Parameters-Torque, BSFC, max cylinder pressure simulation time Explore tutorial no 2 (GEM3D) - “Building intake manifold from STL model”. CASE 1 Introduction A CI engine is…

AIM Explore the FRM Converter model with tutorial number 9. Build FRM Model for the following configuration using FRM builder approach Bore 102 mm stroke 115 mm CR 17 No of cylinder 6 CI engine Twin Scroll Turbine GT Controller Run all cases INTRODUCTION FRM(Fast Running Model) executes much more rapidly than the typical…

AIM Explore -Examples provided below and write a detailed report  Detailed SI engine+aftertreatment Detailed CI engine aftertreatment Compare results of all cases and give your comments  SI Engine + AfterTreatment This model demonstrates modeling an SI engine combined with a detailed TWC in a secondary aftertreatment…

AIM Run MATLAB demo ‘Speed control of a DC motor using BJT H-bridge’. Modify the model such that armature current doesn’t shoot up when motor changes direction from forward to reverse.  Refer to the help section of ‘The Four-Quadrant Chopper DC Drive (DC7) block’. Compare it with H-bridge…

OBJECTIVE Discuss the equivalent circuit network of the induction motor MATLAB model. 3 phase, 50 Hz induction motor, represented by equivalent circuit constants X1 = X2 = 0.1 ohm and R1 = R2 = 0.2 ohm is operated at half of rated voltage and frequency. Calculate the ratio of starting torque at half voltage & frequency…

AIM Why power electronics circuits are efficient? In practice, which types of losses occur in power electronics circuits?     Using a suitable MATLAB model, show how the duty cycle control signal can be generated for a simple power converter circuit?  Make a comparison of square wave inverter output…

AIM Create a MATLAB model of an electric car that uses a lithium-ion battery and induction motor. Choose suitable blocks from the Powertrain block set. Prepare a report about your model including the following:        1. System-level configurations        2. Model parameters…

AIM Create 1D elements on the following component with given cross-section and DOF. Firstly we need to import the geometry in Hypermesh and check for any geometrical error present in the CAD model and use Autoclean to repair the model. Geometry imported is shown below:                      …

AIM  For this challenge, you will have to mesh the backdoor geometry of a car that is provided below. Provided below is the quality parameters that you have to follow. Target Element size - 5mm S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5…

AIM Follow the Quality Criteria and mesh the door inner panel component and assign thickness: Target Element Length = 4mm S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 6mm 7 Min angle Quad 45 8 Max angle Quad 135…

AIM Follow the below-mentioned quality criteria, mesh the component given below and assign thickness: Target Element Length = 5mm S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 8mm 7 Min angle Quad 45 8 Max angle Quad…

AIM Perform meshing of Plastic container model with element quality criteria: Element quality criteria : S.N Quality Criteria  Value  1 Target Element Length  5 2 Aspect Ratio  3 3 Skewness 45 4 Warping 30 5 Taper      0.5 6 Min. Length 3mm 7 Max. Length 7mm 8 Min angle Quad 45 9 Max…

AIM Carry out the geometry cleanup operation on the given 3 files. Practice  Clip Repair Mounting Bracket There should not be any free edges, convert all of them into refine geometry. Clean the geometry. Extract midsurface. Clean midsurface geometry. Ignore holes less than dia 5mm. Create 2D mesh with target…

AIM 1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______ 2. The length of the rail is about 1000 mm.calculate the time takes for a shock wave to travel from one end of the rail to the other. 3.Time for sound to travel length of rail=______ 4.Edit the…

AIM The main aim of this challenge is to : 1.Change the run time to 55 ms. 2. Change the number of animation steps during simulation to a minimum of 25 and a maximum of 60. 3. Run the base simulation without any modification to element properties. 4. At the end of the simulation, do the energy error and mass error checks…

Objective : To work on material card in Radioss and implement the different Material laws on the given component. To apply the seven different cases and compare them in a tabulated format. To compare total number of cycles, energy error, mass error and simulation time of all the cases. To notice the analysis animations…

Assignment-5 RADIOSS Interfaces & Study of Effect of Notches Challenge Aim :- To Create the mesh for bumper assembly, mesh size should be 6mm and simulate the given model with seven different cases in radios as per problem statement and compare it using various plots. Software used :- Altair hyper-works…

Objective: To perform a frontal crash analysis on the BIW of the dodge neon car. To carry the crash analysis at the speed of 35 Mph. To generate the output requests are as follows Sectional force in the rails at the location of indicated node 174247. Axial force received on the rails from the bumper. Shotgun cross sectional…

Aim :- To perform a side pole crash simulation with the given BIW frame in Radioss and request for outputs as mentioned in problem statement.   Software used :- Altair hyper-works student version 2020 and Hyper-Crash 2020 Problem statement :- Neon side crash -BIW Check unit system and either…