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CV: Stress Engineer
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Date Submitted: Last Modified: Current job: Employment Term: Job location: Date available: Industry: KeywordsWinner of NSERC industrial funds for the contributions in Canadian aerospace industries
German DAAD scholarship holder for the internship in Airbus, Germany
GPA 4.2 out of 4.3
WORK AUTHORIZATION
Authorized to work in USA and Canada; and having security clearance to work in government and aerospace companies
AREAS OF TECHNICAL EXPERTISE
Key Skills: Static & Fatigue Analyses, Hand Calculation, Dynamic Analysis, Crash Analysis, Acoustic Analysis, Material Test & Characterization, Full Scale Testing.
The Projects that I worked on:
- Spacecraft: AMOS6, Hylas3, EDRS-C, ExoMars, EDRS-C & EDRS-A-ISL
- Airplane: Airplanestructure UniversityProject, Tailboom structures
- Automotive: Ford Fusion front hood, GM volt car Electric pack, Yo-Auto composite car
Materials that I have used for the analyses:
- PP/glass fiber thermoplastic composites & balsawood/glass fiber skin sandwich in the car projects,
- Epoxy/graphite composite in aerospace projects
- Aluminum, titanium & honeycomb sandwich in the satellite projects.
INDUSTRIAL EXPERIENCE
MDA Jan 2013 - Present
MDA provides commercial customers, industrial partners and governments (civil, defense, security, space, and R&D agencies) with such information systems and solutions as space robotics,satellite information and payload systems, etc. My responsibility is to analyze the composite and metallic satellite structures especially the antenna using NASTRAN that include:
- Collaborating with multi-disciplinary engineering team to develop state-of-the-art spacecraft communication antennas, payloads or subsystems
- FE Model checking of the satellite antenna (according to customer specifications)
- Quasi-static, thermal and modal analyses
- Sine analysis including notching
- Random and acoustic analyses
- Fatigue analysis
- Composite/composite and composite/metal joint analysis
- Optimization of the composite and metallic structures (sizing, mass, etc) based on analyses
Composite / Electric Car Projects Jan 2012 – Sept 2012
I was appointed for a temporary project of GM at Magna in Auburn Hill, MI as a Structural Engineer. My responsibility was to test, characterize and prepare the material cards for the analyses of plastic and composite structures that include:
- Selection of right percentage of composite constituents (mainly propylene, glass fiber and talc)
- Selection of the right material cards based on material characteristics
- Carrying out the stress analyses of electric battery packs
YO-AUTO Composite Car Project
I worked as a composite specialist to design and develop a low cost Russian Composite car. Magana started to design this car and I worked only for concept face. My responsibilities were to:
- Communicate with the consortium members [EDAG, ICT, Siebenwurst, FiberForge] to get their input to the design
- Conduct the tests and trials of composite car body-in-white
- Calibrate the test results using Material Characterization software (MCQ)
- Supervise the Design and CAE teams
- Develop the Bond/Bolt joints for the composite Body-in-white and seat
- Selection of new materials for the composite structures
- Train up the junior engineers
Lightweight Automotive Materials Project (Lamp) Jan 2011 to Dec 2011
The mission of LAMP is to develop lightweight vehicles.
- My task was to conduct the test, inspection of failure surface using SEM and characterization and also to model and analyze the lightweight Composite Hood Structures (of Ford Fusion) using ABAQUS and LS-DYNA.
- I started to work in Wayne State University and went to AlphaSTAR, California, USA where I learnt the material characterization using MCQ and GENOA (from July 2011 to Aug 2011).
UNIVERSITY PROJECTS
I was involved with cost cutting efforts for different industrial projects at Concordia Center for Composites (CONCOM), Montreal, Canadato solve the technical problems that were reported to CONCOM from the industries:
Helicopter Tail-boom Like Structure Sept 2010 to Dec 2010
● The buckling problem of helicopter tail-boom was reported to CONCOM by Bell Helicopter Textron Canada Ltd, ● I was involved for the progressive failure, Fatigue and Damage Tolerance (F&DT) and modal analyses of those structures, ● I was the lead-man of the manufacturing, design and analysis focus group and my duty was to manage, conduct and coordinate day-to-day routine activities for those projects.
Tapered Curved Composite Structures Jan 2007 to August 2010
● Tapered curved structures are used in rotor blades, shovels, helicopter tail-boom and gun barrel, ● I developed the design guidelines for this type of structures, ● For this purpose, I analyzed the curved plates using several shell theories based on classical and higher order theories, ● Based on global buckling, ply failure and delamination analyses, I prepared the design guidelines, ● Beside the linear shell theories, non-linear shell theories were also used, ● The ANSYS based results were verified with that of the Hand Calculations, ● My work of this project has been presented in the National Aerospace Laboratories (NAL), Bangalore, India. Several papers have also been published in the peer reviewed international journals.
Head Mounted Display (HMD) Sept2005 to Dec 2006
● The existing HMD used in aerospace applications has some problems in terms of weight and cost, ● I was assigned to modify the present model and to design a new HMD using the lightest materials, ● I designed the different parts of HMD and assembled those parts using CATIA, ● I selected ten candidate materials from 20,000 materials using ASHBY chart and the final materials were selected based on decision making theory, ● The newly modeled HMD was analyzed using finite element method (FEM), ● My works were appreciated by our project manager and the method I applied to select the materials has been published in the journal.
Tapered Composite Plates Jan 2003 to August 2005
● Tapered plates are frequently used in aerospace applications but the present behavior analysis of this type of structures is not sufficient, ● My tasks were to manufacture and to analyze the structural and material failures of tapered composite plates using FEM based on classical, first order and third-order plate theories, ● My works have been published in three international journals and have also been presented in three international conferences.
COMPUTER SKILLS:
- Code writing in MATLAB, C++, and FORTRAN
- Experienced in Minitab, AutoCAD and CATIA
- Advanced knowledge of NX NASTRAN, HyperMesh, ANSYS, LSDYNA, ABAQUS and GENOA
- Working knowledge in MS Works, MS Office, Primavera Project Planner, etc.
EDUCATION
Concordia University, Canada
PhD,Mechanical Engineering,
- Worked on the composite shell structures to find out a novel type of shape that can save material without compromise with the strength.
- Developed a novel, robust method of Finite Element (FE) for non-linear analysis
- Developed new Finite Element (FE) for the analysis of shell structures
- GPA 4.2
Concordia University, Canada
M. A. Sc.,Mechanical Engineering, April 2005
- Worked on several projects to evaluate the mechanical properties of fiber reinforced composite materials.
PROFESSIONAL MEMBERSHIP
- Professional Engineer (P.Eng.) of Ontario, CANADA
- Member of ASME, USA
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