Unique Identification of Additively Manufactured Metal Parts via Electromechanical Impedance.
Published by
Journal of Manufacturing Systems
Summary
Raekar-Jordan, N., Sangle, S., Albakri, M.I., Tarazaga, P.A., & Williams, C.B. (Under Review).
About
Ph.D. Candidate in Mechanical Engineering with over 7 years of advanced research and 18 months of industry experience, specializing in structural dynamics, vibration testing, and data-driven analysis. Expertly integrates simulation and experimental methodologies to solve complex engineering challenges, developing innovative solutions for structural health monitoring and part identification. Proven ability to lead projects, mentor students, and drive impactful results in both academic and industrial settings.
Work
Texas A&M University
|Graduate Research Assistant
College Station, TX, US
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Summary
Led advanced research in structural dynamics and health monitoring, developing innovative techniques for part identification and vibration analysis for the Fusion of Analysis, Simulation & Testing (FAST) Lab.
Highlights
Developed a novel electromechanical impedance-based part identification system, achieving 100% precision and a 98% F1-score.
Designed and executed non-contact vibration modal tests using a Polytec 3D Scanning Laser Doppler Vibrometer, enhancing high-frequency mode analysis.
Conducted modal tests with shakers and Laser Doppler Vibrometers, validating MATLAB models for additively manufactured tuned mass dampers.
Optimized sensor placement to maximize acoustic resonance in vibroacoustic speaker instrumentation, contributing to smart material design.
Collaborated with design teams to plan and execute multi-step test setups under tight schedules, simulating real-world mechanical loads and boundary conditions.
Managed comprehensive test setups, including calibration, DAQ wiring, data recording, and troubleshooting for accelerometers, microphones, impedance sensors, and shakers.
Texas A&M University
|Graduate Teaching Assistant (Multidisciplinary Optimization & Dynamics & Vibrations)
College Station, TX, US
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Summary
Will support multidisciplinary optimization and dynamics courses, developing materials and providing student mentorship.
Highlights
Develop supplementary materials and hold office hours to support student projects in Multidisciplinary Optimization.
Review student submissions and provide constructive feedback to improve comprehension.
Lead weekly recitations and problem-solving sessions for 100+ students in Dynamics & Vibrations.
Provide individual tutoring, aiming for an average one-grade level improvement in student performance.
Cummins Inc
|Production Engineer Co-op
Arlington, TX, US
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Summary
Led a Six Sigma project and contributed to applied mechanics research, optimizing inventory management and validating structural designs.
Highlights
Spearheaded a Six Sigma project to reduce inventory and mentored counterparts across two other centers.
Presented data-driven strategies that reduced inventory's financial burden by 40%.
Awarded the Cummins Business Impact Award for exemplary leadership and project execution.
Validated experimental results from static load frame tests using ANSYS finite element analysis and VIC 3D digital image correlation.
Developed analytical models to accurately predict torsional damper dynamic properties based on rotational dynamics and fluid-surface interaction.
Executed structural and modal analysis in ANSYS to simulate operating conditions for heavy automotive machinery.
Virginia Tech University
|Graduate Research Assistant
Blacksburg, VA, US
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Summary
Conducted research on cyber-physical system integrity and finite element modeling, focusing on impedance signatures and material property estimation for the Vibrations Adaptive Structures & Testing (VAST) Lab.
Highlights
Developed comprehensive test plans and surveyed literature to establish an unclonable part identity using dynamic impedance measurements.
Conducted parameter sensitivity analysis to quantify the effects of 4 external sources on electromechanical vibrations.
Executed modal tests using shakers and a scanning laser vibrometer to obtain precise mode shapes and modal parameters for polyester nets.
Built and validated finite element models in ANSYS and Abaqus to accurately estimate equivalent material properties from experimental data.
BITS Pilani
|Undergraduate Researcher
Pilani, RJ, India
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Summary
Investigated free vibrational analysis of Mindlin plates, developing models for various boundary conditions and thicknesses within the Department of Mechanical Engineering.
Highlights
Developed comprehensive analytical and numerical models for free vibrations of isotropic homogeneous rectangular Mindlin plates with variable thicknesses.
Simulated constrained structure response using the Rayleigh-Ritz method in Maple and MATLAB to analyze various loading functions.
TATA AutoComp Systems Ltd.
|Technical Intern
Pune, MH, India
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Summary
Contributed to product development and supply chain optimization, focusing on reducing noise and improving functionality for automotive parts.
Highlights
Supported product development for automotive parts, successfully reducing part noise and vibrations.
Conducted a comprehensive SWOT analysis to optimize product functionality for the supply chain department.
BITS Pilani
|Undergraduate Teaching Assistant (Computer-Aided Design & Machine Design and Drawing)
Pilani, RJ, India
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Summary
Led laboratory demonstrations and recitations for large classes, developing educational materials and assessing student performance.
Highlights
Led weekly laboratory demonstrations and recitations for 150 students in Computer-Aided Design and Engineering Graphics.
Developed supplementary materials and weekly laboratory quizzes to effectively assess student understanding.
Conducted weekly office hours and problem-solving recitations for 100 students in Machine Design and Drawing.
Assisted in design exam administration, including reviewing submissions and providing feedback.
Thinkerbell Labs
|Design Intern
Bangalore, KA, India
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Summary
Designed innovative Braille keyboard prototypes and performed stress analysis using industry-standard CAD software.
Highlights
Designed refreshable Braille keyboard prototypes and conducted stress analysis using SolidWorks and PTC Creo to ensure functional integrity.
Valve Tech Industries
|Summer Intern
Chennai, TN, India
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Summary
Developed computer-aided models for valves and fittings, enhancing marketing and customer engagement efforts.
Highlights
Generated computer-aided models of valves and fittings in SolidWorks, improving marketing collateral and customer engagement.
Volunteer
Texas A&M University
|Communications & Procurement Coordinator
College Station, TX, United States of America
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Summary
Coordinated lab operations, communication, and procurement to ensure efficient laboratory launch and ongoing functionality for the Fusion of Analysis, Simulation & Testing (FAST) Lab.
Highlights
Orchestrated the establishment of a new laboratory, implementing operational workflows and communication platforms for a smooth launch.
Enhanced lab communication and collaboration by coordinating meetings and maintaining platforms for information dissemination.
Streamlined procurement, managing quotes, purchase orders, and delivery tracking.
BITS Pilani
|Student Senate Coordinator
Pilani, RJ, India
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Summary
Represented student body interests and managed organizational budget for student-led initiatives within the Mechanical Engineering Student's Association (MESA).
Highlights
Elected to the Academic Senate, representing student interests and influencing college administration decisions.
Proposed and secured approval for the annual organizational budget, supporting student competition teams.
Education
Texas A&M University | Virginia Tech University
College Station, TX, United States of America
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Ph.D.
Mechanical Engineering
Grade: 4.00
Courses
Dissertation: High Frequency Synthesis for Impedance-based Health Monitoring and Unique Part Identification
Birla Institute of Technology and Science, Pilani (BITS Pilani)
Pilani, RJ, India
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B.E.(Hons)
Mechanical Engineering
Awards
Graduate Travel Award
Awarded By
Texas A&M University
Recognized for outstanding academic achievement and contributions to research.
Business Impact Award
Awarded By
Cummins Inc.
Awarded for demonstrated leadership and excellence in driving significant business impact.
Byron Anderson '54 Fellowship
Awarded By
Texas A&M University
Awarded for exceptional academic performance and research potential.
Graduate Travel Award
Awarded By
Texas A&M University
Recognized for outstanding academic achievement and contributions to research.
Byron Anderson '54 Fellowship
Awarded By
Texas A&M University
Awarded for exceptional academic performance and research potential.
Summer Research Grant
Awarded By
Texas A&M University
Awarded for promising research proposal and potential for significant contributions.
Graduate Travel Award
Awarded By
Texas A&M University
Recognized for outstanding academic achievement and contributions to research.
Publications
Assessment of Similarity Metrics for Electromechanical Impedance-based Unique Part Identification.
Summary
Sangle, S., Raekar-Jordan, N., Sandborn, M., White, J., Williams, C.B., & Tarazaga, P.A. (In preparation).
Unique Part Identification using Electromechanical Impedance Measurements via Projection Methods.
Summary
Sangle, S., & Tarazaga, P.A. (In preparation).
Towards Manipulating Electromechanical Impedance Measurements for Unique Part Identification.
Summary
Sangle, S., & Tarazaga, P.A. (In preparation).
Broadband Traveling Wave Generation using Acoustic Black Holes.
Summary
Omidi Soroor, A., Syuhri, S.N.H., Sangle, S., & Tarazaga, P.A. (In preparation).
Unique Part Identification using Electromechanical Impedance Measurements via Projection Method.
Summary
Sangle, S., & Tarazaga, P. (2025, February). In IMAC 2025, A Conference and Exposition on Structural Dynamics. IMAC-XLIII, Orlando, FL.
Understanding High-Frequency Modes in Electromechanical Impedance Measurement Using Non-contact Vibration Testing.
Published by
Springer Nature Switzerland
Summary
Sangle, S., Rogers, W.C., Albakri, M.I., & Tarazaga, P. (2024, January). In IMAC 2024, A Conference and Exposition on Structural Dynamics (pp. 75-83).
Tuning Modal Response by Moment Coupled Subordinate Comb-Shaped Oscillator Array.
Published by
American Society of Mechanical Engineers
Summary
Sangle, S., Rogers, W.C., Albakri, M. I. & Tarazaga, P. (2023, September). In Smart Materials, Adaptive Structures, and Intelligent Systems. ASME SMASIS, Austin, TX.
Linear Summation Based Unique Part Identification using Electromechanical Impedance Measurements.
Summary
Sangle, S., & Tarazaga, P. (2023, February). In IMAC 2023, A Conference and Exposition on Structural Dynamics. IMAC-XLI, Austin, TX.
Reshaping the Frequency Response of an Euler-Bernoulli Beam Vibration using an Array of Oscillators.
Published by
Society of Engineering Science
Summary
Sangle, S., & Tarazaga, P. (2022, October). In Society of Engineering Science Annual Technical Meeting 40th Conference and Exposition on Structural Dynamics 2022, College Station, TX.
Published by
American Society of Mechanical Engineers
Summary
Femi-Oyetoro, J., Sangle, S., Tarazaga, P., & Albakri, M. I. (2022, September). In Smart Materials, Adaptive Structures, and Intelligent Systems (Vol. 86274, p. V001T05A009).
A Pole Based Approach for Structural Health Monitoring of Additively Manufactured Parts.
Summary
Sangle, S., & Tarazaga, P. (2022, February). In IMAC 2022, A Conference and Exposition on Structural Dynamics. IMAC-XL, Orlando, FL.
Formulation of Problem of Free Vibration Analysis of Isotropic Homogeneous Rectangular Mindlin Plates Having Variable Thickness with General Elastic Boundary Conditions.
Published by
ASME
Summary
Sangle, S., Shesha, V., & Kiran, M. (2017, November). In ASME 2017 International Mechanical Engineering Congress and Exposition, Tampa, Florida, USA. V04BT05A064.
Certificates
SOLIDWORKS: Simulation for Finite Element Analysis
Issued By
LinkedIn Learning
Six Sigma Yellow Belt
Issued By
Cummins Inc.
Modal Analysis: Theory and Applications
Issued By
Society for Experimental Mechanics, Inc.
Skills
Analysis & Modeling
Structural and Dynamic Analysis, Finite Element Analysis (FEA), Modal Analysis, Noise, Vibration Harshness (NVH), Structural Health Monitoring (SHM), Optimization, Nonlinear Vibrations, Digital Signal Processing, Applied Linear Controls, Data-driven Modeling, Design of Experiments (DoE).
Testing & Data Acquisition
Vibration Testing, Data Acquisition.
Software & Tools
MATLAB, ANSYS, Abaqus, Polytec PSV, Siemens LMS Test Lab, NI DAQ, Crystal Instruments EDM, LabVIEW, SolidWorks, PTC Creo, AutoCAD, HyperMesh, nTopology, VIC-3D, Minitab, SimCenter, MS Office, Maple, LaTeX.