AIM :  To simulate flow over a cylinder at different Reynolds Number. Run a baseline simulation and then calculate the Reynolds number. Then increase the Reynolds number by a factor of 20%, 40% and 100% and excute the transient flow simulation.   THEORY :  Gas and liquid flow behavior is quantified…

FLOW OVER AN AIRFOIL NACA-2415 AIM :  CFD analysis of air flow over a NACA-2415 airfoil at various angles of attack and compare the lift and drag force. The simulation is carried out at various angles of attack from `0^o` to `10^o` with an interval of `2^o`. The velocity and pressure distribution over…

Modelling and simulation of flow through a flowbench   AIM : Modelling and simulation of flow through a flowbench and do the following : Grid Dependency Test Effect of Valve lift on mass flow rate   INTRODUCTION : An air flow bench is a device used for testing the internal aerodynamic qualities of an engine component…

Centrifugal pump design and analysis   AIM : Create a basic model of Centrifugal Pump, and a parametric study is made with different velocity conditions to obtain the Performance diagram. Obtain the relationship between Pressure Ratio and mass flow rate. THEORY : Centrifugal pumps  are used to transport…

Car hood Modeling using ANSA AIM :  To clean the geometry and perform 2D meshing on the given car hood model according to the required Element Quality criteria. PROCEDURE : The given hood model was opened in ANSA v19.1.5 Check geometry was carried out to find out the geometric errors in the given model Errors are…

Bottle Cap modelling using ANSA   AIM : To perform a geometry clean up and shell mesh the given model of a bottle cap with the given quality criteria.   REQUIRED QUALITY : S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  3 4…

AIM : To remove all topolofical errors, creating the mid surface and meshing the component with given quality criteria.DRIVE LINK QUALITY CRITERIA : S.No  Quality Criteria  Value  1 Target/Average length   4 2 Minimum Length  2 3 Maximum Length  6 4 Aspect  3 5 Warpage 15 6 Skewness…

Meshing of a Rear View Mirror using 3D elements using ANSA Preprocessor   AIM : To remove geometric errors and perform volume mesh using tetra elements with the given quality criteria. FILE : Rear_View_Mirror PROCEDURE : Open the given Rear-View Mirror model in ANSA v19.1.5 using the file>open. Do topo operation…

INTAKE MANIFOLD MODELING USING TETRA MESH IN ANSA v19.1.5   AIM : To model an Intake Manifold using unstructuted solid mesh in ANSA v19.1.5 according to the required quality parameters. Time Taken (meshing) : 4hrsFILE : Intake_Manifold QUALITY PARAMETER :   S.No Quality Criteria Value 1 Target/Avg.…

Adding necessary connections to the FE model of Rear Door using ANSA v20.1.4   AIM : For the given FE model of Rear Door, perform all required connections using the options under the NASTRAN deck.FILE : Rear_Door   PROCEDURE :  Open the given Rear Door FE model using ANSA v20.1.4 using the INPUT>>NASTRAN options…

PREPROCESSING OF DASHBOARD SUB-PARTS USING ANSA v20.1.4   AIM : To check for geometrical errors on the given CAD model of Dashboard Sub-Parts, extract the midsurface of the components and mesh with the given element Quality Criteria. Assign the appropriate thickness to the components.FILE : DASHBOARD_IP Sl.No. Quality…

PRE-PROCESSING OF SUSPENSION AND WHEEL ASSEMBLY   AIM : To check for geometrical errors and mesh the given assembly with the given quality criteria. After meshing the thickness has to be assigned for mid surfaces. Use tetra elements to non-uniform thickness components and give the required connections after meshing.…

AIM : To solve an ordinary differential equation (ODE) and use the calculated information to animate the motion of the simple pendulum using MATLAB. FILES : ODE_CODES   THEORY : An ODE is a differential equation containing one or more functions of one independent variable and derivatives of those finctions. The ODE…

AIM : For EV_defaults_in file, simulate for the range of the vehicle carrying the Payload of 500Kg. Changing the Battery Capacity of the above vehicle for the next simulation. To perform the Gradeability test for PRIUS_Jpn_defaults_in vehicle   METHOD : 1, Ev_defaults_in : To check if the vehicle can travel 45Km with…

AIM : To understand the difference between Mapped and Dynamic models. How the fuel efficiency is calculated and factoes affecting the model Study the effect of gradient and wind velocity on the powertrain in WOT drive cycle Compare the results between hybrid and pure electric powertrains. PROCEDURE :   1, Mapped Model…

AIM : Calculate the EV steady state speed if duty cycle is 70%  Types of power converter circuits are employed in electric and hybrid electric vehicle Author perspective of Inductive vs DC Brushless motors by Wally Rippel   1, Calculate the EV steady state speed if duty cycle is 70% :   %To calculate the…

AIM : Run a MATLAB demo 'Speed Control of a DC Motor using BJT H-bridge' modify the model such that armature current doesnt shoot up when motor changes direction from forward to reverse. Refer to help section of the 'Four Quadrant Chopper DC Drive(DC7) Block' compare it with H-Bridge model Explain in a brief about operation…

PARSING NASA'S THERMODYNAMIC DATA FILE USING MATLAB Aim : To write a code to extract the co-efficient from a NASA Thermodynamic data using MATLAB and execute the code to plot the graph for Specific Heat, Enthalpy, Entropy and Molecular weight with respect to Temperature. FILES : NASA_PARSING Objective : Write a function…

AIM : To perform static structural analysis to determine the stress concentration on a plate with and without holes.   GIVEN : For Case 1 : Length=300mmHeight=120mmThickness=30mmCircular Hole at the center:Diameter=60mm   For Case 2 : Length=300mmHeight=120mmThickness=30mmCircular Hole at the center:Diameter=60mm …

Aim : To perform various analysis on a spur gear and conclude a better material based on the analysis. The analysis is done on three materials i.e., Cast Iron(ductile), Cast Steel and Cast Bronze. The static structural analysis is done to find out the Equivalent Stress, Total Deformation and Stress Intensity. FILE : Spur_Gear…

AIM : To simulate the Railwheel and track for their Lifecycle and the Equivalent Stress,Equivalent Strain and Total Deformation provided by the wheel running on the track by the given forces. Case 1 : Multiply the bearing load by 5 times and compare the result with load of 100KN. Compare the Total Deformation, Equivalent…

Aim : Perform a Grid Dependency test for Bvel gear simulation for mesh sizes of 4mm ,5mm and 6mm. Also solve for Von-Mises Stress, Equivalent Elastic Strain and Total Deformation using the three mesh sizes. FILE : Bevel_Gear   Grid Dependency test : Grid dependency test is to investigate how the solution depends on…

Aim : Sheet metal bending is to be performed according to the following conditions : Aluminium Alloy 1199, Copper Alloy NL and Magnesium Alloy NL. Find out the Equivalent Stress and Total Deformation in Y direction and compare the results. With the material as Aluminium Alloy, change the friction coefficient to 0.19…

Aim : To simulate a Sphere pressing on a flat plate made of Structural Steel Non Linear material.   Material Used :   Procedure : Import the geometry of the model into Static Structural model settings We add symmetry region to the model to simulate the analysis on a complete sphere hitting the plate For the meshing…

Aim : To simulate a bullet penetrating into a bucket with 3 different non-linear materials for the bucket and analyse their behavious for the same velocity of bullet using Explicit Dynamics in ANSYS WORKBENCH. FILE : BULLET_PENETRATE Materials Used : For bucket :           For Bullet…

Aim : To perform a Transient Structural analysis on a worm gear assembly and find the Equivalent stress, Equivalent Strain and Total deformation of the model.  FILE : WORM_GEAR Procedure : The model of Worm gear is imported into Transient Stuctural analysis settings and the parts are re-named accordingly   …

Aim : To perform the tension and torsion test on the given specimen for the following cases : Testion Test : Displace one end of the specimen to 18mm while keeping the other fixed. Tortion Test : Displace one end of the specimen to an angle of 1200 degree. Find the Total deformation, Equivalent Stress and Temperature.…

Aim : To perform transient structural analysis on a universal joint with spring for three different given materials and obtain the Equivalent stress and Total Deformation using Ansys Workbench. FILE : UNIVERSAL_JOINT  Materials Used : Structural Steel : Stainless Steel : Titanium Alloy :   Procedure : Open Ansys…

Aim : To perform frontal car crash simulation and perform a parametric study using 3 different values of thickness for the car body. Analyse the Total Deformation and Equivalent Stress acting on the model.FILE : CAR_CRASH Material Used : Car Body :   Wall :   Procedure : Import the geometry model into the Explicit…

Aim : Simulate the bending of Iphone as per the given cases : CASE 1 : Simulate the model with the given conditions      CASE 2 : Move the bottom fingers from their defined position to the given position X= 22.5mm & Z= 10mm and obtain the results for the simulation. Also define the S-N curve for…

Aim : To create 1D elements on the given component with given cross-section and DOF using Hypermesh. Specification : Rod element(a):- Translational DOF should be Constrained with RBE2 linkCross-Section: BOXDimension :a= 12 mmb=10 mmt= 0.75 mm Beam element(b):- All DOF should be constrained with RBE3 linkCross-Section: I Section…

Aim : The aim is to generate a mid-surface and to create a mesh for the given Hood Model. FILE : HOOD_MODEL Quality Criteria : S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2 Units 6 Max. Length 8 Units 7 Min angle Quad 45…

AIM: To write a program in PYTHON to solve the Otto Cycle and Plot the PV Diagram. The code should create a PV diagram Find the Thermal Efficiency of the engine THEORY: An Otto cycle is an idealized thermodynamic cycle that describes the functioning of a typical spark ignition piston engine. It is the thermodynamic…

AIM: To write a program in PYTHON that solves the Second order ODE corresponding to motion of a simple pendulum and plot its Angular Displacement and Angular Velocity. Create an animation of the motion of pendulum by simulating the motion between 0-20sec with angular displacement = 0, angular velocity = 3rad/sec at time…