Objective: To perform cfd simulation of a channel flow using converge To get velocity and pressure contours  compair the results of 3 mesh sizes  Given: 3 different base mesh sizes are,  dx = 2e-4m,              dy = 2e-4m,       dz = 2e-4m  dx…

COMMENTS: Your case 1 and case 3 are the same. The animation for case 1 and case 3 were missing. =================================================================================================   Aim: Analyse the flow pattern of the fluid for two different clearances of gear,also to simulate this two gears with water…

Objective: To perform the structural analysis to simulate a sphere pressing on a plate using structural steel NL as material for plate . Geometry: Provided geometry was imported in spaceclaim .As our geometry was symmetric ,our results would also be symmetrc ,so in order to reduce the computation time we simulated only…

INTRODUCTION: In this project, we are going to set up the geometry of a shock tube and simulate a shock wave inside it to study it movement patterns and how it affects the gasses inside the tube   AIM:To setup a transient shock tube simulation and plot the: Pressure and temperature contour in the entire domain Cell…

What is CHT and where is it used? CHT stands for conjugate heat transfer analysis ,it can accurately predict heat transfer by simultaneous solving all the relevant solid and flow field heat transfer processes, for example: conduction through solids, free and forced convection in the gases/fluids and thermal radiation.…

Objective: To Apply reynold\'s decomposition to the NS equations and come up with the expression for reynold\'s stress. Explain your understanding of the terms reynold\'s stress What is turbulent viscosity? How is it different from molecular viscosity? Theory: The Navier-Stokes equations are the basic governing equations for…

Objective: Perform a car crash simulation and to do a parametric study using 3 different values of thickness for the car body. Geometry: The provided geometry was imported in spaceclaim. Material: Stainless steel NL was assigned for car body Structural steel was assigned to the wall with wall behaviour set to rigid. Symmetry:…

Objective: To simulate a bullet penetrating into a bucket with 3 different Non-linear material: Case 1:Aluminium alloy(NL) Case 2:Copper NL Case 3:Stainless steel NL  Geometry: Provided geometry was imorted into spaceclaim Material: Mesh: Default mesh size and edge size of 5mm where the bullet is going to penetrate…

Q1. What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? Rayleigh-Taylor instability (RTI) is the interpenetration of materials that occurs whenever a light fluid pushes on a heavy fluid (Rayleigh 1883, Taylor 1950). It is a dynamic process whereby the two fluids…

Objective: To perform a transient structural analysis on a worm gear assembly and rotate it for atlease half the gear. Geometry: Provided geometry was imported in spaceclaim   Material: Contact: Frictionless contact defined : Two revolute joints defined as both the bodies will be in motion relative to surrounding:…

Objective : To smulate  the case for Winkl Hoffer Nozzle to study Cavitation.And compair the result for diffrent pressure differences Case 1: Set up the case for Pressure difference of 30 bars Case 2: Set up the case for Pressure difference of 70 bars Case 3: Set up the case for Pressure difference of 100 bars Theory:…

Objective:Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. What is genetic algorithm? The genetic algorithm is a method for solving both constrained and unconstrained optimization problems that is based on natural selection, the process that drives biological…

Objective: To simulate the transient flow over a throttle body using converge cfd Get the plots and contours for pressure,velocity and massflow rate. Evaluate the results . Simulation: It is a transient simulation where the throttle is rotating up to an angle of 25 degrees and the flow takes place accordingly from inlet…

objective: 1. Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heats for all the species in the data file. You will be reading this file NASA thermodynamic data.  Here R is the universal gas constant, T is the temeprature 2. Calculate the molecular weight of…

https://drive.google.com/open?id=1F-dTnDBCgmOy8RXd9nVv8hhfdyhj_mj6HAYuieR_GAk  

Objective: Perform a centrifugal pump simulation at diffrent massflow rates ,getting the values of pressure, velocity at outlet ,determining the effiency and preparing the performance curve of the pump using the predefined boundary condition. Theory: What is a centrifugal pump? A centrifugal pump is a mechanical device…

https://drive.google.com/open?id=1YFscEn8ya1_-HQ2g-M8qUvLANtDfroADcO5jRPqS-ks Link for the Emission characterization on a CAT3410 engine

Objective: Structural analysis of two plates designed with provided dimension and compair the results with each other. Material used: Specification & Geometry: Plate dimensions: Length=300mmHeight=120mmThickness=30mmCircular Hole at the center:Diameter=60mm smaller holes 90mm away from the center: Diameter=30mmBoundary…

https://docs.google.com/document/d/1MCMCf854iJKD533R7tNvtInUnvigYDX7BL41J82Rp5U/edit?usp=sharing  

Objective: To Perform a simulation on roots type supercharger ,analyse its performance data and plot the required performance curve for following pressure ratios  Pressure Ratio = [ 1.1 1.5 2.0 2.2] Theory: A supercharger is an air compressor that increase the pressure or density of air supplied to an internal…

Objective: To perform a static structural analysis on three different types of welding using three different weld materials Materials: Case 1.  Stainless Steel: In this case, the material of the plates must also be the same. Use Stainless steel for both weldments and plates. No need to add flux to the weldments. Case…

https://drive.google.com/open?id=1TeHfKbOJBwkHPSSNbAyfYb1Yj-T4K649D32pOI5SMuo Prandtl Meyer Shock Problem The link for the assignment .Also i was unable to find the reason why only zero normal boundry gradient was used .Does it has to do with reflection ?if not then what is the reason sir?

Objective: Using an explicit dynamics simulation  to perform machining operation with a planer and observe their behaviour at 2 different velocities  and find out the Equivalent Stress, Total Deformation and also insert a User defined result to calculate the temperature of the body. Case one will be with a cutting…

Objective: Performing a CHT simulation on a graphic card board .To calculate heat transfer coefficient at different ponts ,to determine processor temperature ,also to identify potential heat spots, if any and to show  that the simulation has achieved convergence with appropriate images and plots Model & meshing:…

Aim : To simulate flow over a backward facing step with 3 different mesh size and compare their velocity and pressure plots. Given : dx = dy = dz =2e-3m dx = dy = dz =1.5e-3m dx = dy = dz =1.2e-3m Geometry: Geometry can be created in any cad software and imported to converge in stl format .In our case geometry was provided …

Objective: To simulate the rolling operation on a workpiece made of copper and to evaluate following results: Equivalent stress for the whole setup Equivalent Plastic strain for the workpiece Directional Deformation in the Z axis for the workpiece Prove that the workpiece has displaced by 90mm  Geometry: The provided…

Theory :The Ahmed Body was first created by S.R. Ahmed in his research “Some Salient Features of the Time-Averaged Ground Vehicle Wake” in 1984. Since then, it has become a benchmark for aerodynamic simulation tools. Ahmed body is a generic car body (a simplified car model) i.e the flow of air around Ahmed…

Theory: Cyclone separators or simply cyclones are separation devices that use the principle of inertia to remove particular matter from flue gases. Cyclone separators is one of many air pollution control device known as precleaners since they generally remove larger pieces of particulate matter. This prevents…

Objective : To perform a transient analysis on a piston and cam mechanism model with Frictionless contact, Frictional with 0.1 and 0.2 as the frictional contact for a total of 3 cases and analyse the results . Geometry: Barrel cam ,Cam follower ( green )and Guide which supports the cam follower . Material : Barrel cam…

Objective: To run analysis of a spur gear of 3 different material mated to eachother , compair the results and select which one would suite our purpose . Cast Iron(ductile)  Cast Steel  Cast Bronze Material properties: Bronze: Cast steel: Cast Iron(ductile)  Geometry: Contacts: Frictional contact & formulation…

https://drive.google.com/open?id=19oowjjklTFDEebMM0MuMmBsswPv6rmRpt8KHpme5ZTk

Aim: To perform the simulation of proportional valve for diffrent lifts keeping other parameters constant . Theory: All pressurized systems require safety devices in order to protect people, processes and properties. As soonas mankind was able to boil water to create steam, the necessity of the safety device became evident.…

Theory: A large percent of worldwide energy conversion processes are based on combustion. Because chemical kinetics are highly nonlinear, turbulence–chemistry interactions should be taken into account to accurately predictturbulent reacting flows. Fluid dynamics software from ANSYS offers a wide range of turbulence–chemistry…

Objective: To perform a static structural analysis on the Railwheel and Track setup and compair the results for two diffrent load condition.Also note any change in results when a user defined result is used. Setup: Import geometry Define connections  Frictional contact with friction coefficeint 0.3 Frictionless contact…

Objective:To write a program that solves the following ODE. This ODE represents the equation of motion of a simple pendulum with damping. Code: clear all close all clc b = 0.05; m = 1; g = 9.81; l = 1; %initial condition theta_0=[0;3]; %time condition t_span=linspace(0,20,1000); %solve ode [t, results]=ode45(@(t,theta)…

Objective: To perform grid dependency test on bevel gear with base mesh size of 6,5 and  4 mm Theory: Grid independent is a very important issue in numerical simulation. Grid-independent means calculational results change so little along with a denser or looser grid that the truncation error can be ignored…

Objective: To perform the simulation of a turbocharger turbine ,find its contours and output parameters. Theory: A turbocharger, colloquially known as a turbo, is a turbine-driven,forced induction device that increases an IC engine\'s efficiency and power output by forcing extra compressed air into the combustion…

Objective : To perform a transient structural analysis on a double universal joint with a spring using three different materials: Case1 Structural Steel Case2 Stainless Steel Case3 Titanium alloy Geometry: Provided geometry was imported into spaceclaim  Materials : Case1: Case2: Case 3: Meshing: Default mesh of Element…

 Theory: Shock wave, strong pressure wave in any elastic medium such as air, water, or a solid substance, produced by supersonic aircraft, explosions, lightning, or other phenomena that create violent changes in pressure Basically when the velocity increases greater or equal to speed of sound shock waves are generated…

https://drive.google.com/open?id=1_sCg2CdJCoeQIXvCf67nLCil6BYPrXblKDYT91QOFcg

Objective: To peform steady state simulation of a flow over a throttle body To obtain velocity and pressure contours and draw a colclusion looking at the plots. Theory: The throttle body is the part of the air intake system that controls the amount of air flowing into the engine, in response to driver accelerator pedal…

Objective: To perform an explicit analysis in tension and torsion test of an specimen using Ansys Workbench. Condition: Case 1 :For the tension test, displace one end of the specimen to 18mm while keeping the other fixed.  Case 2: For the torsion test, you will need to displace one end of the specimen to an angle…

Aim:  To simulate the bending of iPhone as per the given cases below Case 1: Simulate the model as it is given in the video 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 the…

What is a DC Machine? A DC machine is an electromechanical energy alteration device. The working principle of a DC machine is when electric current flows through a coil within a magnetic field, and then the magnetic force generates a torque which rotates the dc motor. The DC machines are classified into…

AC to DC converter  DC or direct current is a electricity flowing in a constant direction. It has posetive (+Ve) and negetive (-Ve) terminals. DC is the kind of electricity that made by converting alternative current or AC, from battery or rubbing some specific materials each other. Some motors, dynamos or electro…

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. About H-bridge:  Most of mini DC motors have two terminals because they are series type (armature and field windings…

1) For a defined driving cycle, calculate the energy required for braking. step 1: Insert drive cycle xlsx data into matlab step 2: Add physical parameters of vehicle  step 3:Assign 1st column to T and  column 2 data to V step 4: for loop comparing if there is any declaration in values . step 5: if declaration…

2D Cavitation simulation Objective : To smulate  the case for Winkl Hoffer Nozzle to study Cavitation.And compair the result for diffrent pressure differences Case 1: Set up the case for Pressure difference of 30 bars Case 2: Set up the case for Pressure difference of 70 bars Case 3: Set up the case for Pressure…