Principal mechanical engineer and analyst in x-ray tube engineering ■ SME across engineering and manufacturing on rotating equipment behavior, finite element analysis (FEA), roller bearing design, modeling & analysis, vacuum dry-film lubrication tribology, acoustics, vibration & rotor-dynamics measurement and analysis ■ Liaison for research and technology development programs with academia, federal organizations and industrial partners

Senior member of a specialist team that drove technology and product development across multiple business units through expertise in niche mechanical engineering domains.

Responsible for developing engineering tools and practices to promote predictive design process and reduce product development cost.■ System level finite element analyst across the business. Guided engineers across multiple divisions (X-Ray tubes, Life Sciences and Maternal Infant Care) in structural, parametric, CFD and non-linear material analyses.■ Core member of GEHC's materials review committee. Identified emerging material technologies for the company's next generation product line. ■ Lead analyst and member of tiger team for company investigation of install-base nuclear medicine scanner failure.

Responsible for development and analysis of airflow & thermal control concepts and design in premium CT systems as part of engineering NPI team. My responsibilities included analyzing subsystem requirements as part of the system and identifying design paths to enable the system meet its thermal/acoustic, siting and performance specs.■ Set up a HPC unit (28 CPUs and 40GB RAM) to solve computationally intense CFD and structural problems.■ Developed the company's first CFD model of a complete rotating CT scanner. Enabled development of GE's first cardiac (0.2s/rev) CT scanner platform from concept to product validation without prototype builds, resulting in over $3M prototype cost savings. Designed and executed airflow tests as part of validation and showed the model predictions to be within 15% of measured values. ■ Integrated CFD and aero-acoustic modeling with DFSS methods to optimize airflow, acoustics, and develop thermal control algorithms.

Responsible for guiding CT recon hardware product teams in mechanical design (structural, acoustic & thermal), developing/interpreting global quality & regulatory product requirements and validation.■ Partnered with hardware, software engineers, program leads & sourcing to select components, test and model the recon system thermal, airflow and acoustics in hospital environment, develop console designs that meet mechanical product specs for increased patient flow. The console is able to handle data flow from advanced techniques such as dual energy and multi-focal-spot for significantly better image resolution while simultaneously reducing patient scanning time (reduced exposure to radiation).■ In charge of design and execution of thermal and mechanical HAST at premium systems NPI to qualify them for release to market.

■ Identified root causes of high infantile failure rates (IFR) in premium mammography product line through analysis of field data. Initiated collaborative effort with service, IB, logistics, customers & program leadership and created a 35% IFR reduction opportunity.

Responsible for developing mechanical specs, design paths, testing procedures of X-Ray RAD and R&F systems. ■ Established methods to measure and calculate dynamic position error in RAD tomo systems. Provided guidelines for spec development based on position accuracy and system dynamics in company's first RAD tomo system. ■ Corrected root cause of customer complaints relating to system acoustics and thermal reliability in premium RAD and R&F systems.■ Designed and conducted life tests, and established reliability of tube support subsystem in premium fixed RAD system for release to market.■ Functioned as structural and thermal analyst in X-Ray and X-Ray Detector programs.

Developed and owned rotor-dynamics, noise & vibration specs, measurement and rotor balance processes for premium vascular and CT tubes from design phase to manufacturing. Data acquisition and simulation specialist during product development.■ Established the relation between image quality (IQ) parameters, mechanical vibration and rotor unbalance in premium CT tube through DFSS DoE. Developed balance & vibration quality specs in production for screening new tubes.■ Identified and corrected potential customer acoustic issues at product release in premium vascular tube line through DFSS methods, analysis and testing. Identified and implemented required changes in design and production, and increased yield from 33% to 100%.■ Designed and developed LabView-based data acquisition systems and automated measurement procedures for x-ray tubes. Developed post-processing routines for use with the DAQ systems to quantify product health and identify component-specific failure signatures.

UI design engineer of the GEMS Advantage Computed Radiography Quality Assurance (ACRQA) 2.0 Workstation. Design engineer for field service system configuration tools.

For my Ph.D. dissertation, I integrated micro-mechanical, classical inclusion & viscoelastic models, thermodynamic laws and process-constituent relationships to evaluate fundamental mechanical properties of high-temperature woven-fiber polymer composites and relate them to process cycle parameters. I validated the integrated model through testing on composite specimens I manufactured in our lab.■ Designed and set up high-temperature materials testing facility and DAQ system in the mechanical engineering lab (defined component specifications, invited bids from test equipment manufacturers, carried through component selections, integrated components into sub-assemblies/test setups, created software systems to control and automate high-temperature creep/fatigue testing and acquire data).■ Upgraded and re-calibrated an existing computer-controlled compression molding system to manufacture ASTM standard polyimide composite test specimens. Set up in-house vacuum bagging unit and manufactured epoxy/woven-graphite composite specimens. Designed and set up a finishing unit to machine composites without damage for testing.

For my undergraduate thesis, I developed an AI engine and allied software system to enable computers to learn and use expert mechanical design knowledge. The engine can be used in the design of highly complex mechanical parts. I demonstrated its application through the design a multi-stepped power-train shaft, a process that requires over one hundred design parameters, multiple iterative decision making processes, and uses both established calculation processes and expert heuristics.