Examples Of My Work
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The document provides examples of the author's work including experimental research on wing aerodynamics to improve lift, finite element analysis of aircraft landing gear and other structures, mechanical design projects including designing a low speed wind tunnel, packaging design, and MATLAB coding projects involving optimization and simulating an inverted pendulum. The work shows experience in experimental research, mechanical design, finite element analysis, and MATLAB coding.
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The development of multi-rotor components represents a key challenge both for the structural optimization and the additive manufacturing; they mainly consist in complex shapes where the most important features are robustness and lightness. These parts are usually produced in small series (i.e. eight parts for a single prototype), are subjected to high loads and need to be able to interface different materials.
The work here presented reports the research conducted in cooperation between Politecnico di Torino and Altair Engineering to design and optimize two vital components for the structure of a multi-rotor. These parts represent a challenge because of the main need is to interface the arms, consisting in carbon fiber tubes, with the electric motor flange, on one side, and the body frame on the other, both made in 7075 Alloy. In particular, the second part will also have an important role as structural shock absorber in case of emergency landing.
The use of topology optimization techniques plays a key role to minimize the weight of the components and to improve the productivity of the machines. Moreover, the fused deposition modeling (FDM) technology, applied in this case, allows producing more parts in less time, improving the cost effectiveness of the project.
An important role is played from the Altair tool used for the preliminary design: Inspire. This tool is conceived to quickly and easily generate structural efficient concepts to obtain lighter designs and to eliminate structural design problems, finally providing input files for 3-D printers.
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1) The document describes modelling and simulation of a composite material propeller shaft for an Ashok Leyland truck engine using finite element analysis.
2) A CAD model of the propeller shaft was created and imported into ANSYS for static structural analysis using different materials, including conventional steel and composite materials like E-glass/epoxy and carbon/epoxy.
3) The results of the analysis show that the composite material propeller shafts experienced lower von-Mises stresses than the steel shaft and provided significant weight savings of up to 80%, with the carbon/epoxy composite providing the greatest weight reduction.
Engineering portfolio
This engineering portfolio summarizes Shriram Vasudevan's work experience developing pressure cookers at TTK Prestige Limited and mechanical engineering projects during his Master's at the University of Illinois at Chicago. It includes summaries of projects involving Kaizen implementation, pressure cooker design and manufacturing, finite element analysis of structures, and internship work involving antenna and cable analysis. The portfolio demonstrates experience in mechanical design, manufacturing, and structural analysis.
Dexter : Design, Fabrication, Testing & Validation of a Portable Tabletop Sol...
This document describes the design, fabrication, testing, and validation of a portable tabletop solid rocket motor static performance thrust stand with a wirelessly controlled data acquisition system called Dexter. It was developed to provide research opportunities for students in aerospace engineering. The development included two phases: 1) design and fabrication of the thrust stand, solid rocket motor, and wireless DAQ system and 2) testing and validating the system by measuring the thrust, mass flow rate, and exhaust velocities of solid rocket motors with varying fuel-oxidizer ratios. The testing results were analyzed using MATLAB and compared to analytical calculations to validate the project within acceptable error margins.
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Examples Of My Work
- 1. Examples of my Work Gautam Virdi
- 2. Experimental research on the Leading Edge Extension aerodynamics (Master’s Research Project) Designed a research study on flexible and rigid, slender Delta wing and Leading Edge Extension aerodynamics to improve the aerodynamic properties of a NACA 0012 rectangular wing. Designed a flexible, slender half Delta wing type Leading Edge Extension (LEX) which was then attached to the end of a NACA 0012 rectangular wing and then tested for its various aerodynamic characteristics in a Low Speed Wind Tunnel using a force balance. Lift enhancement of 27% was achieved by the new combination of flexible LEX and rectangular wing as compared to rectangular wing alone.
- 3. Finite Element Analysis Design and Finite Element Analysis of Landing Gear components (Undergrad Course Project) Achieved a 5% weight reduction in landing gear of Piper Arrow while optimizing the design of Fork, Oleo Strut, Sliding Member and Torque Link, and maintaining a Factor of Safety of 1.6 in hard landing (FAR standards) scenario. Finite Element Analysis of above mentioned parts in MSC Nastran/Patran Designed a 3D rotor blade of a Turbomachine (Master’s Course Project) Designed a 3D blade of an axial compressor rotor in a Turbomachine with a Free Vortex Design in Design Mode using Finite Difference Discretization technique in MATLAB Finite Element Analysis of Bridge Truss, International Space Station Truss, Traffic Signal Pole and U-Joint Assembly in Nastran/Patran (Master’s Course Project) International Space Station Truss Landing Gear Fork
- 4. Finite Element Analysis U-Joint Assembly Bridge Truss
- 5. Mechanical Design Projects Designed, fabricated and tested a prototype of Low Speed Wind Tunnel (Undergrad Major Project) • Designed and fabricated a low speed wind tunnel prototype. • Various experiments were run on its performance testing and NACA 2412 airfoil aerodynamic characteristics. Philips India Ltd., Baddi, India (Company Project - Undergrad) • Worked directly with Senior Engineer on a research study regarding probable eco-friendly packaging alternatives for Philips home appliances products with special consideration to strength and ease of manufacturing. • Designed a 3D model of unique package for Juicer-Mixer-Grinder and Mixer-Grinder product models using Pulp as an eco-friendly material in CATIA V5. Received a letter of appreciation from the company after the results of project were declared an industry standard.
- 6. MATLAB Coding Optimization toolbox (Master’s Course Project) • Created a personal optimization toolbox by object oriented programming in MATLAB for constrained optimization of nonlinear objective functions with nonlinear, equality and inequality constraints. • The toolbox was validated by its implementation on various optimization problems with known results. Simulation of Inverted Pendulum (Undergrad Minor Project) • Formed a mathematical model of an Inverted Pendulum and simulated its performance in MATLAB.