Flow simulation over an Airfoil

Aim: Simulation of IC Engine Piston - Crank assembly Objective: Study piston linear motion with varying Wrist Pin Offset. Procedure: 1) The crank, connecting rod, wrist pin and piston with 0 wrist pin offset were modelled and assembled using respective constraints. 2) A Motion analysis was conducted at 2000rpm of the crank…

Aim: Analysis of planetary gear system containing a ring gear, a sun gear, four planetary gears and a carrier. Objectives:  1) Modeling the gear system 2) Analysizing the system by varying the input, carrier and output gears as follows: 3) Compare the output angular velocities in each case if the input is 200rpm.…

Aim: Fitting a linear polynomial and a cubic polynomial to the given data set of Temperature vs Specific Heat. Objective:  1) Curve Fitting 2) Determining the Goodness of the curve Procedure: 1) numpy, matplotlib.pyplot and scipy libraries are used in the code, hence the code starts with importing the libraries.…

Aim: 2D flow simulation over NACA0017 Objectives: 1) Modeling the airfoil and flow simulation setup 2) Comparing flow at various angle of attacks (0, 2, 4, 6, 8, 10) Procedure: 1) Airfoil curve was first imported. 2) The curve was extruded to generate a 3D body 3) 2D Mesh was setup along the crossection 4) A 200m/s flow…

Aim: Simulation of a Simple Pendulum using Matlab Objectives:  Determining the angular displacement, velocity and acceleration of a simple pendulum by solving second order ordinary differential equation. Animate the solution while displaying instantaneous velocity and acceleration. Background: Simple pendulum motion…

Aim: Fitting a linear polynomial and a cubic polynomial to the given data set of Temperature vs Specific Heat. Objective:  1) Curve Fitting 2) Determining the Goodness of the curve 3) Improving the cubic polynomial fit Procedure: Curve Fitting: 1) The data file is read using "load('filename')" command (line 6 - Main).…

Aim: Frequency anaysis of a rotating shaft Objective: Determining mode shapes and corresponding resonant frequencies Procedure: 1) A rotating beam is drafted based on the following drawing: 2) Bearing support is assigned to the ends of the shaft 3) A frequency analysis for 5 mode shapes is run on solidworks using FFEPLUS…

Aim: Flow bench simulation using solidworks Objective: 1) Mesh Grid study 2) Effect of valve lift on Mass flow rate  Procedure: 1) A flow bench geometry was created with arbitrary dimensions.   2) Lids were generated at inlet and exit and the boundary conditions were assigned. Inlet pressure: 1501330 Pa Exit…

Aim: Simulation of internal geneva mechanism using solidworks Objective:  1) 3D model for Internal Geneva Simulation 2) Motion Analysis with driving wheel rotating at 10rpm 3) Contact Force and Angular Displacement of driven wheel 4) Comparision of results with and without "Precise contact" Procedure: 1) 3D model…

Aim: Simulation of flow through a centrifugal pump Objective: Obtaining a performance diagram for the pump Procedure: 1) An arbitrary centrifugal pump was drafted 2) A rotation region was defined with rpm 1000 rad/sec 3) Flow simulation was carried out with an automatic level 3 mesh in solidworks 4) Using inlet pressure…

Aim: IC Engine Valve Train Simulation  Objective: Valve Lift Study with respect to CAM Lift 20 and CAM Lift 35 Design: 1) Cam design is based on the cam lift required and is related as: `L = D - R1 +R2` where L is cam lift, R1 and R2 and the radii of the circles in cam and D is the distance between their centers.…

Aim: Determining the optimum location for stiffner Objective: Attain best possible factor of safety Procedure:  1) A Cyclone Seperator Stand was defined with a stiffner of height 75mm. 2) A buckling analysis was conducted with a load of 1500N acting from the top of the stand, with the legs fixed. 3) A design study…

Aim: Parsing NASA thermo dynamic data Objective: Extracting coefficients to calculate Enthalpy, Entropy and Specific Heat at High and Low Temperature Ranges for each species in the data file Plotting the Data for local temperature ranges Saving plots in separate folders automatically Calculating Molecular Mass for all…

Aim: Optimization of stalagmite function using Genetic Algorithm   Objective:  1) Maximizing Stalagmite function using GA for x,y ranging from 0 to 0.6 2) Checking for repeatability 3) Plotting the function in 3D along with optimized values   Genetic Algorithm: GA is a search process inspired by Charles…

Aim:Calculating and Plotting drag force with varying velocity and drag coefficient Assumptions:  1) A bicycle and the cyclist are assumed to be the system 2) Flow over the system has uniform density 3) Frontal area remains constant 4) Maximum velocity attained by the cyclist be 54kmph Procedure:  1) Drag Force…

Aim: Air standard cycle state and path simulation. Objective:  1) Piston Kinematics for volume function of the isentropic process 2) P V Diagram 3) Thermal Efficiency Procedure: Cycle Properties: Otto cycle is an ideal thermodynamic cycle hat describes the functioning of a typical spark ignition piston engine.…

Aim: Drag Force calculation for varying velocity and drag coefficient Assumptions:  1) A bicycle and the cyclist are assumed to be the system 2) Flow over the system has uniform density(`rho`) 3) Frontal area remains constant(a) Procedure:  1) Drag Force (F):       `F = rho/2*cd *a*v^2` 2)…

Aim: Determining minimum pressure to break ice using an air cushion ice breaker - Newton Raphson method Objective: 1) Find minimum pressure for different ice thickness 2) Finding a suitable relaxation factor at h = 0.6 feet 3) Using the optimized relaxation factor to determine minimum pressure and compare it with results…

Aim: Simulation of 2R Robotic Arm using forward kinematics Objective: Generate animation to visualize arm workspace Following assumptions were made for the simulation, a few additional assumptions have been made to demonstrate the level of control over the simulation. Assumption:  1) A robotic arm with two links of…

Aim: Air standard cycle state and path simulation. Objective:  1) Piston Kinematics for volume function of the isentropic process 2) P V Diagram 3) Thermal Efficiency Procedure: Cycle Properties: Otto cycle is an ideal thermodynamic cycle hat describes the functioning of a typical spark ignition piston engine.…

Aim: Analysing bending in beams  Objectives: Comparision of resulting strain, deformation and stress when a given load is applied on different crossections. Procedure: 1) A rectangular crossection, an I section and a C section were modelled, extruded to 400mm length and Alloy steel material configuration was assigned…

Aim: File parsing and data analysis using python Objectives: 1) Read data from file. 2) Checking for file compatibility 3) Plotting data column wise and saving them using file header 4) Plotting data from one column against data from another, labelling them using header data 5) Calculating area under a curve (pv diagram)…

Aim: Comparing the behaviour of plates with holes Procedure:  1) Plates 1 and 2 are defined as follows: Lenght : 300 Width: 120 Thickness: 30 2) Hole Definition: Plate One: Single hole at the center with a radius of 30mm Plate Two: Center hole with radius 30mm and two holes on either side of the center with radius…

Aim: Flow simulation through a pipe with inlet Re of 100, 1000 and 10,000. Objectives: 1) Generating probes at 95, 90 and 85% pipe length. 2) Normalizing velocity profile with respect to inlet velocity profile 3) Comparing normalized velocity profile at each location. Background: Reyolds Number: It is the ratio of inertial…

Introduction: This project amis to achieve 2R Robotic arm simulation using python. Constraints followed in the project are similar to and have been discussed in: 2R Robotic Arm Simulation using forward kinematics (MATLAB) - Projects - Skill-Lync   Variables: l1 = length of link 1 l2 = length of link 2 x0 = x coordinate…

Aim: Flow simulation over a cylinder Objective: 1) Baseline simulation at 10m/s 2) Study for reynolds numbers increased by 20%, 40% and 100% over the baseline 3) Animation for pressure and velocity plots Procedure: 1) Cylinder of dia 40mm and height 50mm was generated. 2) Reynolds number for the model was calculated using:…