Engineer Mechanical Engineering

DEVVRATH KHATRI

* ***** **. *** ****, Jersey City, NJ • 626-***-**** • *********@*****.***

Summary • Performance driven and detail-oriented engineer

• Accomplished in modeling and design analysis

• Strong mathematical and finite element analysis background

• Demonstrated leadership skills and hard-working qualities

• Expertise in applied research, new concept development, simulation, and validation

• Able to quickly grasp new technical information and develop skills in minimum time

Education California Institute of Technology (Caltech), Pasadena, CA September 2011

Ph.D. in Aeronautical Engineering (GPA: 3.5/4.0)

Thesis:“Non-Destructive Evaluation of Material SystemUsing Highly Nonlinear Acoustic Waves”

California Institute of Technology (Caltech), Pasadena, CA June 2007

M.Sc. in Aerospace Engineering (GPA: 3.6/4.0)

Indian Institute of Technology (IIT) – Madras, India June 2006

B.Tech in Naval Architecture and Ocean Engineering (CPI: 8.92/10)

Skills • Experience in product development lifecycle, including design, development, and testing

• Developed test plans, test cases, and test processes

• Programming experience in C, MATLAB, Abaqus, AUTOCAD, SolidWorks, Visual Basic

• Proficient in MS Office (Word, Excel, PowerPoint), Microsoft Project, Windows, and Unix/Linux

• Strong understanding of solid mechanics and finite element techniques

• Knowledge of common simulation techniques and the associated numerical codes

Patent Damien Eggenspieler, Chiara Daraio and Devvrath Khatri, "Automated actuator device for the excitation of tunable highly nonlinear waves in granular systems," U.S. Serial/Patent No. 61/135,266(2008)

Experience Pliant Energy Systems LLC, Brooklyn, NY April 2013 – September 2013

Senior Engineer

• ElectroActive Polymers (EAP): Worked on the fabrication and testing of EAP actuators and sensors

• Piezoelectric actuator using PVDF film: Performed finite element modeling for the development of piezoelectric actuator for converting hydrokinetic energy into electrical energy.

• Conducted a successful study and testing of printing of silver ink on PVDF film for the extraction of charges.

• Assisted in system administration and configuration of high speed computing resource

Hydra-Electric Co, Burbank, CA September 2011 – April 2013

Aerospace Design Engineer

• Design, development, and testing of new prototype products and revising existing pressure transducers to be used in aerospace applications by using finite element analysis and experimental validation

• Formulate conceptual design, perform project management duties during the development cycles of new pressure transducer to meet customer requirements

• Reviewed customer RFQs and specifications, developed preliminary design concepts, and prepared technical proposals for new projects

• Performed tolerance stackups, fits and clearances, and stress, strain and flow calculations as required.

• Performed analytical/numerical/experimental testing as necessary to demonstrate soundness of the design

• Optimized the existing production test setup to increase the current build capacity of pressure transducer

• Designed and developed the acceptance and qualification test procedure for the build of new pressure transducer to meet customer requirements

• Developed a prototype model for a thermally conditioned pressure transducer to operate between -55oC to 200oC

• Developed a prototype model for a pressure transducer with dielectric breakdown of greater than 3000VAC

• Support technical report writing, program presentations, and other production related issues

California Institute of Technology, Pasadena, CA 2007 – 2011

Research Assistant - Graduate Aerospace Laboratories- Advisor: Prof. Chiara Daraio

• Developed a finite element modelof highly nonlinear acoustic wave (HNAWs) in granular media using Abaqus

• Studied experimentally and numerically dissipation during HNAWs propagation in granular structures

• Studied experimentally and numerically coupling of nonlinear media with linear media

• Designed nonlinear actuator system for Non Destructive Evaluation/ Structural Health Monitoring (NDE/SHM) of structures

Teaching Assistant- Mechanical Engineering Department, Caltech, Pasadena, CA

• Statics and Dynamics of structures, (Fall & Winter 2008-2009)

• Strength of Materials, (Spring 2009)

Indian Institute of Technology (IIT) – Madras, India 2003 – 2006

Research Assistant - Applied Mechanics Department

• Smoothing of Digital Photoelastic Data - Built an automated MATLAB code to analyzed Digital Photoelastic Data, which helped in analyzing the experimental data closed to singularity. This is helpful in the isochromatic phase map in removing ambiguity prior to unwrapping which is essential

B. Tech Project - Ocean Engineering Department

• Modeling of Ocean Waves using Nowgu’s Partial Nonlinear 2D Boussinesq Wave Equation-Developed a MATLAB finite element code for modeling the wave equation in a two dimensional domain using quadratic element mesh and time integration was performed using the Adams-Bashforth-Moulton predictor-corrector method

Honors &

Awards • NSF Student Participation Grant (2011)

• Keck Institute For Space Studies (KISS) Graduate Student Fellowship (2009-2011)

• GALCIT Graduate Student Fellowship (2006-2007)

• Best Performance in Ship Design Subjects & Project Award by Institution of Naval Architecture India (2006)

• Silver Medal for the best GPA in Naval Architecture and Ocean Engineering (2004 & 2005)

• President’s Medal recipient in Boy’s Scout (1999)

Publications 1. Duc Ngo, Stephane Griffith, Devvrath Khatri, and Chiara Daraio, “Highly nonlinear solitary waves in chains of hollow spherical particles,” Granular Matter (2013)

2. Jinkyu Yang, Devvrath Khatri, and Chiara Daraio, “Interaction of Highly Nonlinear Solitary Waves with Thin Plates,” International Journal of Solids and Structures (2012)

3. Xianglei Ni, Piervincenzo Rizzo, Jinkyu Yang, Devvrath Kathri and Chiara Daraio, “Monitoring the Hydration of Cement by means of Highly Nonlinear Solitary Waves,” NDT&E International (2012)

4. Devvrath Khatri, Duc Ngo, and Chiara Daraio, “Highly Nonlinear Solitary Waves in Chains of Cylindrical Particles,” Granular Matter (2012)

5. Duc Ngo, Devvrath Khatri, and Chiara Daraio, “Highly nonlinear solitary waves in chains of ellipsoidal particles,” Physical Review E (2011)

6. Jinkyu Yang, Claudio Silvestro, Devvrath Khatri, Luigi Nardo, and Chiara Daraio, “Interaction of highly nonlinear solitary waves with linear elastic media," Physical Review E (2011)

7. Ricardo Carretero-Gonzalez, Devvrath Khatri, Mason Porter, Panayotis Kevrekidis, and Chiara Daraio, “Dissipative Solitary Waves in Periodic Granular Media”, Physical Review Letters (2009)

Talks • ASME – International Mechanical Engineering Conference and Exposition, “A Numerical and Experimental Study of the Interaction of Highly Nonlinear Acoustic Systems with Linear Media”, Vancouver BC, Canada, November 2010

• ASME – International Mechanical Engineering Conference and Exposition, “Tailoring Stress Propagation in Granular Media: Effects of Particle and System Geometry”, Vancouver BC, Canada, November 2010

• SPIE - Smart Structures and Materials + NDE/SHM, “Coupling of Highly Nonlinear Waves with Linear Elastic Media”, San Diego, CA, March 2009

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