CURVE FITTING USING MATLAB

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AIM:      To perform a car crash analysis using ansys workbench. PROBLEM STATEMENT: To perform a parametric study using 3 different values of thickness for the car body. Here the car body remains stationary but the wall displaces to a distance of 500mm towards the car body for the purpose of collision. Assign…

AIM:     To perform structural analysis to simulate the rolling operation on a copper workpiece of length 90mm. STRUCTURAL ANALYSIS: Structural analysis is the process of calculating and determining the effects of loads and internal forces on a structure or an object. NEED FOR STRUCTURAL ANALYSIS: Structural…

AIM:    To perform explicit dynamics simulation of a bullet penetrating into a bucket considering three different non-linear materials for the bucket and analyse their behaviour for the same bullet velocity. CASE SETUP:1 Assign the bucket material as Copper Alloy NL and the bullet material as Tantalum.  …

AIM:     To perform an explicit dynamics simulation to simulate the machining operation with using a planer and observe their behaviour at 2 different velocities. CASE SETUP:1 To perform simulation with a cutting velocity of 20000mm/s. PROCEDURE FOR IMPORTING THE MODEL: Open Explicit dynamics from the Analysis…

AIM:    To perform the tension and torsion test on the specimen considering the case setups and find out the total deformation, equivalent stress and temperature of the specimen. TENSION TEST: A tensile test, also known as a tension test, is one of the most fundamental and common types of mechanical testing.…

AIM:    To perform transient structural analysis on a worm gear assembly. TRANSIENT STRUCTURAL ANALYSIS: Transient structural analysis is the process of calculating and determining the effects of loads and internal forces that are a function of time on a structure or an object. It is used to determine the dynamic…

AIM:     To perform a transient structural analysis on a double universal joint with a spring using three different materials and then compare the results. TRANSIENT STRUCTURAL ANALYSIS: Transient structural analysis is the process of calculating and determining the effects of loads and internal forces that…

AIM:       To perform a transient structural analysis on a piston and cam mechanism model considering different case setups and then compare the results of the case setups. TRANSIENT STRUCTURAL ANALYSIS: Transient structural analysis is the process of calculating and determining the effects of loads and…

AIM:      To perform structural analysisto simulate a sphere pressing on plate considering the case setup and experience the plastic deformation on the plate. STRUCTURAL ANALYSIS: Structural analysis is the process of calculating and determining the effects of loads and internal forces on a structure or…

AIM:    To perform an structural analysis to simulate the bending of a wire considering three different case setups and compare their results. STRUCTURAL ANALYSIS: Structural analysis is the process of calculating and determining the effects of loads and internal forces on a structure or an object. NEED FOR STRUCTURAL…

AIM:     To perform structural analysis of weld joints for three different case setups and compare the directional deformation, equivalent stress and equivalent strain for all the cases STRUCTURAL ANALYSIS: Structural analysis is the process of calculating and determining the effects of loads and internal…

AIM:      To perform a static structural analysis on the Railwheel and Track setup considering the following case setups. STRUCTURAL ANALYSIS: Structural analysis is the process of calculating and determining the effects of loads and internal forces on a structure or an object. NEED FOR STRUCTURAL ANALYSIS:…

AIM:     To perform a grip dependency test on a bevel gear assembly for mesh sizes 6, 5, ans 4mm. GRIP DEPENDENCY TEST: Grid dependency test ia a method used in FEA to get the optimum results by reducing mesh density in a given component. Mesh refinement, mesh convergence are the other names used to define…

AIM:      To carry out a static structural analysis over spur gear considering three different case setups to find out Equivalent stress, Total deformation and Stress intensity. STRUCTURAL ANALYSIS: Structural analysis is the process of calculating and determining the effects of loads and internal forces…

AIM:       To design a plate with hole assuming two following case setups and boundary conditions and determine the stress concentration on a plate by conducting structural analysis in Ansys workbench. STRUCTURAL ANALYSIS: Structural analysis is the process of calculating and determining the effects of loads…

AIM: To clean up the geometry of five IP SUBSTRATE models. To extract the midsurface of the geometry of five IP SUBSTRATE models. To mesh the midsurface geometry of five IP SUBSTRATE models following the quality criteria values. PROCEDURE FOR GEOMETRY CLEANUP: Import the geometry model into ANSA and execute the geometry…

AIM: To clean up the Hood geometry. To extract the midsurface of the geometry. To mesh the midsurface geometry following the quality criteria values. PROCEDURE FOR GEOMETRY CLEANUP: Import the geometry model into ANSA.         The above image shows the imported geometry model Execute the geometry check.…

AIM: To perform individual surface wraps for the three separate parts with wrap size for the engine as 8 mm and for the other two parts as 5 mm. To merge the three different parts into one common file.  Then connect all three different parts such that they have one common volume. INTRO TO SURFACE WRAP:    …

close all clear all clc %inputs l1=2; l2=1.5; theta1=linspace(0,90,10); theta2=linspace(0,90,10); %generation of multiple values of theta2 for each value of theta1 automatically ct=1; for i=1:length(theta1) THETA1=theta1(i) for j=1:length(theta2) THETA2=theta2(j) x0=0; y0=0; x1=l1*cosd(THETA1); y1=l1*sind(THETA1); x2=x1+l2*cosd(THETA2);…

PROGRAM TO PLOT VELOCITY VS DRAG FORCE % Program to plot velocity vs drag force clear all close all clc % Inputs % Density kg/m^3 rho=1.5 % Area m^2 A=0.4 % Velocity m/s v=[2:5] % Drag coefficient c_d=1 % Drag force drag_force_against_bicyclist=rho*A*v.^2*c_d*0.5 %plotting plot(v,drag_force_against_bicyclist,'linewidth',3)…

AIM:        The aim of our project is to write a program to simulate the transient behaviour of a simple pendulum and to create an animation of it's motion by solving a 2nd order ODE using MATLAB. PROGRAM: %solving 2nd order ODE to simulate a pendulum clear all close all clc %inputs l = 1; m = 1; b…

OBJECTIVE:               To surface mesh the BMW M6 model using different element size for different PIDs using ANSA v17.1.0 and observe the geometric change. WHAT IS A MESH?              A mesh is a network that is formed of cells and…

OBJECTIVE:               To surface mesh and then conduct volumetric mesh for CFD application over the turbocharger model using different element size for different PIDs using ANSA v17.1.0 and observe the geometric change. WHAT IS A MESH?      …

OBJECTIVE:        To surface mesh the pressure valve model using different element sizes such as,                                    15mm                      …

AIM:          To write a code in Matlab to parse the NASA thermodynamic data file and then calculate thermodynamic properties of various gas species. OBJECTIVE: To write a function that extracts the 14 co-efficients of each species in the data file. To calculate the enthalpy, entropy and specific…

AIM:       Our aim is to write a code in matlab to visualize the P-V diagram of an Otto cycle and to provide the output of thermal efficiency of the engine CODE FOR VISUALIZATION OF P-V DIAGRAM AND THERMAL EFFICIENCY OF OTTO CYCLE clear all close all clc %input gamma=1.4; t3=2300; %state variables at…

AIM:       To understand the concept of genetic algorithm and to use the acquired knowledge to optimise the stalagmite function and to point the global maxima of the function. UNDERSTANDING THE CONCEPT OF GENETIC ALGORITHM: GENETIC ALGORITHM: It is a search based optimization technique based on the…

AIM:       To write a code in matlab to fit a linear and cubic polynomial for the Cp data provided and to plot the linear and cubic fit curves along with the raw data point. CURVE FITTING:       Curve fitting is the process of constructing a curve or a mathematical function that…