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Present Address Graduate Assistant
Street Address Appian way D104 School of Engineering & Technology
Mt.Pleasant, MI Street Address Central Michigan University
PHONE NUMBER AVAILABLE EMAIL AVAILABLE
I am someone who loves the idea of wearing multiple hats and working long hours to complete a goal, thrives in an
innovative environment, eagerly accepts challenges, and finds joy in knowing whats around the corner.
In recent years, my research work on dampers accredited a few remarkable papers, which entitled me the expertise in
mechanical vibrations. My creative approach towards problem solving drove my work with Dr. Oumar Barry to develop a novel
vibration damper. With all the dedication I have towards mechanical engineering, I only aspire to tackle much more complicated
problems.
Professional Summary:
Working as research assistant in Vibrations Research and Design Lab (VRDL) at Central Michigan University.
Specializing in theoretical analysis of dampers using principles of Mechanical Vibrations.
Developing vibration damper concept models using SOLIDWORKS and CATIA.
Worked as an Entrepreneur lead - University of Michigan Center for Entrepreneurship (CFE).
Worked on numerical analysis using Finite Element Modeling (FEM).
Developed Matlab codes for non-linear dynamic analysis of vibrating systems.
Developed optimum mesh parameters and geometric simplifications to increase HyperMesh solver efficiency.
Hands on LabVIEW experience to control vibration test equipment and collect test data.
Education:
Central Michigan University, Michigan, May 2017
Master of Science in Mechanical Engineering
GPA: 3.2(Current)
Relevant Courses:
o Advanced Engineering Analysis, Advanced Mechanics of Materials, Engineering Vibrations, Direct Research,
Special Topics in Engineering, Advanced Engineering Experimentation.
Jawaharlal Nehru Technological University, India, May 2014
Bachelor of Technology in Mechanical Engineering
GPA: 3.6
Relevant Courses:
o CAE - Auto Cad & ANSYS, Finite Element Analysis, Theory of Machines, Mechanics of Solids, Automobile
Engineering, Kinematics & Dynamics of Machinery, Robotics.
Professional Experience:
Central Michigan University August 2015 Present
Graduate Assistant, School of Engineering and Technology
Assisted Dr. Barry with research projects in Vibration harnessing. (150 HP Engine, Stockbridge damper, Flame arrester
plates).
Worked with BAJA team to design engine mounts, to reduce fatigue in chassis due to engine vibrations.
Worked with Formula SAE team to experimentally determine the vibrations of the mounted engine in dynamic
condition and natural frequencies in static condition.
Assisted in teaching : Engineering statics(Dr. Mohamed Almahakeri), Mechanics of materials(Dr. Oumar Barry),
Engineering Materials(Dr. Waseem Haider), Solid Mechanics Lab(Golam Mainuddin) and Machine Design(Dr .Oumar
Barry).
University of Michigan Center for Entrepreneurship (CFE) May 2016 August 2016
Entrepreneur lead
Principal investigator Dr. Oumar Barry, external adviser Dr. Parraga Ramirez and I conducted market research using
customer discovery program to build a robust business thesis.
Conducted interviews with several researchers, manufactures and consumers to understand the market needs, and
strategize the input for business thesis.
Developed a business model canvas encompassing the customer segments, value proposition, key partnerships, and
resources.
Freelancer.com May 2014 August 2015
Design Engineer
Designed consumer electronics components (Slider sleeve, ear pad, housing and frame to mount neodymium magnet
and driver for head phones using CATIA).
Design and FEA analysis of chassis for a Quadra pod (design alteration for weight reduction and enhanced structural
properties while prioritizing simplicity in design for agile manufacturing).
Hyundai Motor India Ltd. May 2012 July 2012
Summer Intern
Worked with design support team in Hyderabad for Head Quarters Hyundai Motor Company.
Conducted case studies on approved OEM parts projects while shadowing Mr. S.K. Sing (Sr. Design Engineer)
Gained hands on experience in modeling and simulating powertrain using Simscape Driveline.
Publications:
Published Papers:
Vaja, N.K., Barry, O., & E.Y. Tambour, On the Dynamic Modeling and Analysis of an Asymmetric Stockbridge, SEMC,
5 - 7 September 2016.
Expected Papers:
Vaja, N.K., Barry, O., DeJong, B. P. Finite Element Modeling of Stockbridge Damper and Vibration Analysis:
Equivalent Cable Stiffness.
Vaja, N.K., Barry, O., Exact Solution of a Free Vibration Analysis of Two Beam and Two Mass System.
Vaja, N.K., Barry, O., Bending of Steel Cable due to Non-Axial Loading: Exact Stiffness and Dynamic Analysis.
Vaja, N.K., Barry, O., On the Modeling and Analysis of a Vibration Absorber with Multiple Resonant Frequencies.
Expected Patents:
Vaja, N.K., Barry, O. & E.Y. Tanbour, Ten Resonant Frequency Vibration Damper.
Projects:
All Terrain Commutation Rover
Developed multi-leg mobility system (MLMS) for the rover.
Designed a novel mechanism for leg motion, rocker bogie suspension, and passive dynamic walking system (PDWS).
We designed a chassis to function like an animal skeleton with true parameters and geometric configuration.
Ejection Systems in an Injection Molding Tool
An industrial oriented project to observe and study the latest mechanisms involving in the ejection syst ems of an
injection molding tool.
Worked on a mould design for multiple ejection systems.
Designed ribs for structural stability and channels for liquid cooling of the mould.
Conducted stress analysis on the mould and ejection unit to verify the calculated stress under operation condition.
Formula-10 Racing
Designed and constructed a tarmac track for RC car racing.
Worked as team leader of Formula-10 event, responsible for executive decisions.
Developed the model of Buddh International Circuit in Auto CAD (1:45 scale).
Constructed a marketing strategy that gained interest in local business for a mutually profitable relation.
Full Throttle - IIT Bombay
Designed and manufactured a chassis out of sheet metal to accommodate engine, fuel tank, integrated circuit, servos,
steering system, and battery pack.
Developed and manufactures a double pivot steering system and a chapman strut suspension.
Designed a brake system fusing the ideas of disc and drum break to have best of both the systems.
Designed and manufactured clutch shoes, clutch bell and clutch hub.
Material Selection for Quadra Pod Chassis
Determined boundary conditions of each wing and constructed analytical model for stress analysis.
Calculated load conditions during flight and on land.
Designed and simulated the model for deflections due to the load from the mounted components.
Using material selection charts, constructed a material selection matrix.
Self-Balancing Scooter
Constructed the math model to numerically analyze the system.
Linearized equation of motion and also developed the States Space.
Derived the transfer functions using MATLAB commands.
Conducted parametric study to analyze the system performance under variable conditions.
Additional Information:
Computer Skills: SOLIDWORKS, CATIA, ANSYS, HyperMesh, MATLAB, NI LabVIEW, Siemens NX, LaTeX,
Auto-Cad, Pro-E, C.
Expertise: Vibration Theory, Mechanical Product Design, Mathematical Modeling, Scientific Writing, and using
Electrodynamic shaker.
Other Interests: New Business Development, Project Management, and Leadership.
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