Vehicle Ride

Determine the Maximum and Minimum Stress and Strain Values in the Flexible Lower Control Arm. Study-1 output: Strain Contours:   Stress Contours: Run a Static Ride Analysis. Run a sensitivity study on the following parameters and conclude which parameter/  combinations of the parameter have a maximum effect on…

Setup the 3-D contact between the CAM and the Roller follower. Measure the Y-displacement of the follower with respect to the CAM. Compare the results obtained using the CVCV joint from Chapter 10. 3-d Contact: Contact force plot: Y-displacement of the follower with respect to the CAM by 3D conatct simulation: Y-displacement…

Modify either the Bistop function or the motion curve that we apply to the revolute joint to stop the trunk lid exactly when the trunk lid comes in contact with the body of the car.  The default model curve data:  Displacement of the input link:     Checking with proximity sensor: Collision happens…

The dimension of length for this project should be in meters Question 1 Simulate the simple crank mechanism using cylinders (diameter = 2m) in a 2D plane (XY) as shown in the figure below In the case shown above, Revolute joints are located at P0 and P1, What type of joint must be given at P2 (Joint C) so that the…

1.Simulate and plot a freefalling body(point mass) of mass 1 kg and inertial properties 1 kgm2 in the y-axis (gravity should be 9.81 m/s2 in the negative y-direction) (Use dimension of length in meters, not mm) [60] 2.Does the mass and inertial properties of the body depend on the rate of…

    Aim:             To perform hardpoint tuning to achieve the target acceleration and braking pitch gradients. Procedure:  The manual calculation is carried out in excel sheet. The link for the excel sheet : https://docs.google.com/spreadsheets/d/1lyMC19YkiWU0ivFK9GGbibEFwpkHiV78C0K4jCzij4Q/edit?usp=sharing…

Aim:       To perform appropriate simulations and find out the following compliance related parameters (on-center gradients). Models : Rear Multilink (created from Acar library using the multilink template) Part 1: Baseline analysis 1.Brake steer (deg/m). State whether the suspension toes in or out under…

Models : Front SLA (created from Acar library) Aim: Perform kingpin geometry optimization to achieve the following targets 1.Caster angle : ~4.00 deg 2.Caster moment arm : ~21.00 mm 3.KPI angle : ~13.00 deg 4.Steer axis offset (resultant) : ~85.00 mm 5.Steer axis longitudinal offset : ~0.00 mm 6.Scrub radius : ~20.00 mm…

1.Graph styles, titles, labels.     2.Plot configuration files – export and import.     3.Export numeric data.     4.Import numeric data and plot.     5.Animations, cameras and video export.

Double Wishbone Suspension:  

Excel-Link: https://docs.google.com/spreadsheets/d/1HvEQtJrX6Zc6Bvh7Sa-PhhGF6lvzDrBNmrwj7D4IQLs/edit?usp=sharing    All calculations are done in excel.   1.Calculate the following parameters for the front and rear suspension: i.Sprung mass critical damping ii.Unsprung mass critical damping iii.Sprung…

Excel-link:   https://docs.google.com/spreadsheets/d/1B4eM0EcO_to97m1UBIuiMZegGH7v9KyTk1fOjWkRVow/edit?usp=sharing      All the calculations are done using excel.   1.Calculate the following parameters. Use the same front and rear spring rates for all three load conditions.         The…

1.Why is the wheel rate usually different from the spring rate?                    Wheel rate is the product of spring rate and (motion ratio)^2, spring rate depends on spring stiffnes alone, but wheel rate depends on motion ratio as well as spring stiffness. 2.Why is the…

1. Suspension Parameters:   caster deg 5.38 mech trail mm 9.41       KP long offset mm 18.82       kpi deg 10.01 scrub mm 32.36 kp lateral offset mm 85.27   2.Moment= Fy(Pneumatic trail + Mechanical Trail) ==> 2000*(25+9.41) moment Nm 68.82 3. UCA_Knuckle_Ball_Joint is the…

i.Instant center location (coordinates) ii.Roll center height   y z       ic -851.17 239.5       rc 800 -225.12

Aim:           To select springs and anti-roll bars for a 4WD sedan with a McPherson strut suspension in the front and a multilink setup in the rear and to set up swing arm geometry to meet targets for ride frequency, roll gradient and pitch gradient  within the given constraints. Inputs and…

Solution: (i) Roll moment =7643.769818(ft-lb/g) (ii) Roll gradient =3.184904091(deg/g) (iii) Load transfer due to roll or elastic component =1563.676062(lb/g) (iv) Front roll stiffness  at wheel center level =577.4682958(ft-lb/deg) (v) Front anti-roll spring rate  for one wheel jounce=149.1027242(lb/in) (vi)…

1. Front end deflection under load=0.6315124444 in Rear end deflection under load=0.4871281889 in Pitch angle =0.6540141539 deg Pitch gradient=0.04024702485 deg/g 2. Front anti-lift angle=4.463039667 deg Rear anti-squat angle=6.740679943 deg Front swing arm angle for 100% anti-lift=9.939063793 deg Rear swing arm angle…

Aim:      To write a Matlab Program to plot the PV diagram of otto cycle and to find the thermal effeceincy. Description:      Otto cycle is a thermodynamic cycle which has its application in spark ignition engines. It consists of four processes. Isentropic Compression  Constant Volume…

AIM:         To Create code in Matlab that should calculate the state points of the Rankine Cycle (any type of your choice) based on user inputs and plot the corresponding T-s and h-s plots for the given set of inputs. Description:        Rankine Cycle is a thermodynamic cycle, it…

Aim:      To write a Matlab program to extract the 14 co-efficients from NASA thermodynamic data file and to calculates the enthalpy, entropy and specific heats for all the species in the data file. Also by plotting the graphs of every species and to find the molecular mass of all species. Description:  …

Aim:     To write code to fit a linear and cubic polynomial for the Cp data and to  compare the linear and cubic fit curves along with the raw data points. Description: Curve Fit program helps to predict the data after certain interval  by using the initial set of data, this is done by mapping the data…

AIM:     To solve the second order ODE function of a simple pendulum and to animate its motion. Description:              Our world is governed by a differential equation, similary motion of the simple pendulum folllows a governing differential equation which is a second order…

Genetic Algorithm :             Genetic Algorithm is based on \'CHARLES DARWIN\'S theory of natural evolution\'.This is purely based on random selection , inorder to get the best output ,input parameters has to be optimal inorder find that input range or values genetic algorithm is used. Genetic…

AIM:                To write a Matlab program to calculate drag force against a cyclist and to plot the graph.   Velocity vs Drag force.   Drag Co-efficient vs Drag force. DESCRIPTION:                …

AIM:      To simulate the forward kinematics of the robotic arm using MATLAB programming. Objective:      Nowadays in the industries, most of the processes are automated by using Robots, thus inorder to create the geometries of the robotic arm and its workspace we have find the extent upto…