Viraj Gajera

Location – New York E-mail – adiqzl@r.postjobfree.com Contact No. 718-***-****

Summary

2+ years of experience as mechanical engineer with concerned realm specifically biomechanical, aerospace, automobile and research.

Develop, coordinate and monitor all aspects of research & analysis, production, design optimization & calculation, including selection of manufacturing methods, material selection, fabrication, injection molding and operation of product designs.

Strong knowledge of CAD modeling, AutoCAD, Math CAD, SOLIDWORKS, GD&T, CreO, ProE, CATIA, Flotherm, PDM Link, NX, Solid Edge, ANSYS FLUENT, Fusion 360, MATLAB, Windchill, Netfabb, Impetus Afea, Visual3D Professional and concerned 3D design and analytical tools.

Apply engineering doctrine and practices quality control process to emerging fields, such as robotics, aviation, power plant, waste managements and biomedical engineering

Proficiency of research, simulation and analysis with Finite Elements of Analysis (FEA), Computational Fluid Dynamics (CFD), Fluid Structure Interaction (FSI), Smooth-particle Hydrodynamics (SPH), Analysis of Deflection, Dynamic and Static stress, Structural and Thermal stress, heat transfer and conductivity, critical frequency and magnetic resonance using 2D and 3D meshing/mathematical calculation and discrete engineering tools.

Formulate standard design using 3D CAD tools, create drawings with manufacturing specification and consult with production teammates to ensure the design feasibility.

Working with department of development of Automotive Ethernet driver module for car and medium sized Sikorsky Aircraft (Lockheed martin), Bell Helicopter (Textron) and discreate autonomous vehicles (AVs).

Dominant perception of quality control process Six Sigma quality tools, Design Failure Mode and Effect Analysis (DFMEA), Failure Mode, Effects and Criticality Analysis (FMECA), Design of Experiments (DOE), Installation/ Operational/ Performance Qualification (IQ/OQ/PQ), Parts per millions sampling process, RFN calculation, EUMDR, FDA21CFR Part 820, FDA21CFR Part 821, ISO 13485.

Solve engineering problems using rudimentary mechanical, electrical, hydraulic, thermodynamic and pneumatic principles.

Education

Master of Science in Mechanical Engineering May 2020 New York Institute of Technology, New York, USA

Bachelor of Technology in Mechanical Engineering June 2017 Nirma University, Gujarat, India

Experience

Dash Technologies Inc. - USA Dec. 2019 - Present

Mechanical Engineer Roles & Responsibilities

Assessing projects requirements, measuring the performance of mechanical components, devices and design test control apparatus and equipment to develop procedures for testing products.

Design and analyzed for innovation of neurovascular products such as AXS Catalyst 6, FlowGate, Synchro 2 Guidewires, AXS universal, Detachable coils, AERO-AL.

Pertained to design and production for Catcher by implementation of EUMDR and FDA 21 CFR Part 820 quality standards.

Encompassed for design and simulation of AERO-AL for ALIF (Anterior Lumbar interbody and Fusion) System to anchor-based fixation for resist migration and physiological motion in all degrees of freedom.

Visual3D Professional, CalTester, Inspect3D, Impetus Afea and Netfabb to design and analyzed biomechanical model.

Field Marshal Pvt. Ltd. (Engine manufacturing) June 2017 - July 2018 Mechanical Engineer Roles & Responsibilities

Design, simulate and analysis with production specification for an automation system which is pertaining with Forward Collision Warning (FCW), Automatic Emergency Braking (AEB), Pedestrian Detection (PD), Lane Departure Warning (LDW), Adaptive Cruise Control (ACC) and other autonomous control.

Part of design and production team for Two-stroke and Four-stroke engine with different size of cylinder bore such as 75 mm-100mm for passenger car engine, 165 mm – 280 mm for High-speed engines (>1,000 rpm), 260 mm – 290 mm Low-speed (<300 rom) two stroke engine.

Design of Sikorsky Aircraft improved R-4 with new fuselage for model S-49, 14-seat commercial model S- 76 for twin turbine engine, S-333 single turbine engine and 3- seater S-300C single piston.

Operational calculation for cycle such as induction, compression, combustion, expansion and burned to convert the thermal energy into mechanical energy and then finally into thrust by rotating propeller.

Involved with design and manufacturing team for concentric shaft and law pressure turbine for turbojet engine using distinct software such as AutoCAD, SOLIDWORKS, CATIA, ANSYS Workbench, MATLAB, MICROSAR.ETH, MICROSAR.AVB, CANalyzer, CANoe.

Larsen & Toubro Ltd. (L&T) May 2016 – July 2016

Mechanical Engineer Roles & Responsibilities

Conduct research that tests and analyzes the feasibility, design, operation and performance of equipment, components and system.

Create sophisticated medical device design and then develop them with simplistic & robust delivery models using artificial intelligence solution.

Involved with manufacturing solution concerned with static analysis such as Liner/Non-liner/Quasi, implicit analysis & explicit dynamic analysis for instance impact/crash/drop test/slam test for different model.

Stress-strain durability, vibration fatigue, simulation of metal forming and mold, thermal stress analysis of steady state/transient/coupled model and frequency response analysis using computational Fluid Dynamics (CFD) and Computer Aided Engineering (CAE) services. Research (Thesis) Dec 2019

New York institute of Technology, New York, USA

The research was rooted in the realm of mechanical design and biomechanical fluid (Cerebrospinal Fluid) analysis for the human brain in a way to invent an artificial intelligence system to mitigate the ramification of Normal Pressure Hydrocephalus (NPH).

Optimized 3D mesh for the complex geometry of the human brain and developed ventriculoperitoneal shunt placement technology.

Designed and analysed more than a hundred spring connectors for deflection and elongation between brain and skull for different boundary conditions by using IMPETUS Afea and Netfabb.

Numerical analysis using by discrete mathematical theory such as Smoothed-Particle Hydrodynamics (SPH), formalization of Euler equation for SPH, viscosity analysis using compressible momentum equation.

Analysed the cushioning effect of cerebrospinal fluid for coup and counter-coup on a discrete human brain model.

Structural Analysis conducted for migration of particles by transforming impulse intensity and velocity to exerting pressure.

Momentum analysis of the brain from inside the skull by screening acceleration and deceleration concerning the time.

Manufacturer a model mechanism of piston and cylinder by using 3D printer and CNC machining process. Academic Projects

New York Institute of Technology, New York, USA

• Computational Fluid Dynamics Simulations of Blood Flow in Human Common May 2019

Carotid Artery Bifurcation Fluid flow analysis for different boundary conditions on geometry such as a sudden expansion of human carotid artery by using SOLIDWORKS and computational fluid dynamics ANSYS

(CFD).

• Control of a Segway System Dec 2018

Designed a 3D model of Segway system using SOLIDWORKS and analyzed the Segway system to reduce the stability time by using MATLAB.

• Design of HVAC System Oct 2018

Designed supply and return air ventilation system by using load calculation of heating and cooling for New York (USA) weather.

Institute of Technology Nirma University, Gujarat, India

• Increase the Efficiency of a Single-Cylinder IC Engine Jan 2017

Redesign of the Intake Manifold" for a Single-Cylinder diesel engine to produce proper swirl on various speeds and analyzed by using ANSYS, FEA, and CFD

Prepared a model of single-cylinder IC engine, using 3D printer to experiment of air-fuel mixture impacts on efficiency for discrete intake manifold design

• Astrobiology Feb 2016

Fluid-Structure Interaction (FSI) and heat flow analysis of human body concerned at zero gravity data by using RAMSIS 3D CAD tools

• Flow Analysis of a pump Impeller Mar 2015

Prepared a 3D model design of Impeller by using AutoCAD and analyzed the Impeller design by exerting Computational Fluid Dynamics (CFD) with discrete parameter and material selection Professional Activities

• Member of the American Society of Heating and Air-Conditioning Engineering (ASHRAE) Mar 2016 - Present

• Attended two International Research Conferences

Developing Economics" Conference by ASHRAE, Delhi, India Nov 2017

5th International Conference on Engineering by IEEE, Nirma University Nov 2015

• Nirma University Technical Fest, Event Coordinator Feb 2014 – Mar 2015

• Mechanical Engineering Student Assoc. (MESA), Publicity Head. Jul 2013 – Jan 2014

• Research paper on MG Alloy. Jan 2014

The objective of the paper identifies one material which has lightweight and diminutive in strength Extra-Curricular Activities

• Vice President of Graduate Student Association Club, NYIT Aug 2019 - Present

• Vice President of International Student Association Club, NYIT Nov 2018 - Present

• "YOU NEED" Charitable Club, Co-Founder and Director of Administration Jun 2016 - Present

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