Arun Kumar Ramanathan Email & Phone Number

California, United States

California, United States

Fremont, Ca, Us

Fremont, Ca, Us

Columbus, Ohio, Us

Responsibilities included performing research activities, devising proof-of-concepts demonstrations, collaborating with faculty on research publications and conference proceedings, updating sponsors on progress of projects, and managing lab safety.📑 PI: Prof. Marcelo Dapino ℹ️ Websites: https://smsl.osu.edu/ ✦ https://svc.osu.edu/Projects: 💫 Flexible capacitive and piezoelectric sensor systems for vehicle applications.💫 Embedded piezoelectric sensing systems using ultrasonic additive manufacturing.💫 Smart morphing panels with continuous shape monitoring and energy harvesting capabilities.✒️ MethodsPiezoelectric and capacitive sensorics, electromechanical constitutive models (finite element and analytical), 3D printing (FDM), aerodynamic testing, material testing, digital image correlation (DIC), 3D motion capture, linear system theory, analog circuit design, sensitivity (parametric) analysis🔨 ToolsCOMSOL, ABAQUS, MATLab/Simulink, NI LabVIEW, LT-SPICE, non-lithographic sensor fabrication, 3D printing, ultrasonic consolidation, Adobe Illustrator, MS-Office

Columbus, Ohio, Us

📚 Conducted weekly recitations and office hours, prepared assignments, assisted examination and grading for a class of 85 students in both in-person and online setting.📚 Obtained an overall rating of 4.7/5 through anonymous student survey and was awarded "MAE GTA Award" in honor of outstanding teaching and student interaction.

Columbus, Ohio, Us

📚 Assisted the instructor in preparation and grading of assignments in the graduate level course and conducted regular office hours.📚 Organized laboratory exercises for demonstration of smart devices based on piezoelectrics, shape memory alloys, and magnetostrictive materials.

Columbus, Ohio, Us

Responsibilities included performing research activities, collaborating with faculty on research publications and conference proceedings, updating sponsors on progress of projects, and managing lab safety.📑 PI: Prof. Rajendra Singh & Prof. Scott Noll ℹ️ Websites: https://adl.osu.edu/ ✦ https://simcenter.osu.edu/Projects: 💫 Studied the dynamic response of a shipping cart and suspended automotive parts under random road vibration via finite element analysis and experiments to assess and alleviate damages during on-road transportation. 💫 Reduced the computation time by 90% for non-linear finite element models through implementation of dynamic sub-structuring (Craig-Bampton) and co-simulation techniques. 💫 Performed enhanced crash analysis to circumvent false deployment of airbags in low-speed impact events using finite element and theoretical (lumped models) simulations in time and frequency domains. ✒️ Methods: Nonlinear dynamics, explicit and implicit time domain analysis, dynamic substructuring, contact modeling, experimental and theoretical modal analysis, digital signal processing, system identification, spectrogram 🔨 Tools: ABAQUS, LS-DYNA, MATLAB/Simulink, Siemens LMS Test.Lab, NI LabVIEW, MS-Office

Hosur, Tamil Nadu , In

🔨 Responsibilities include development, design, and drawing of valve train and timing drive components. 🛠️ Design and conduct on-road and in-house engine performance, NVH, and durability evaluations of new and upgraded powertrain products. 📁 Support quality assurance, purchase, production engineering, and service departments in preparing standard operating procedure (SOP) documents, manufacturing process design, procurement, and warranty concerns.Principal projects: 💫 Reduction of valve train lash noise in air-cooled 3-valve, 110cc engine through structural design changes and controlled thermal distortions.💫 Reduction of silent chain whining noise through sensitivity analysis of the timing drive layout and pre-tensioner loads.💫 Design fixtures, evaluate, and recommend design changes through accelerated durability tests of a new 4-valve single-cylinder engine.💫 Reduction of camshaft bearing warranty issues of TVS Apache 180,✒️ Methods: Design of experiments, fundamental acoustics, structural dynamics, thermo-structural finite element analysis, GD&T, fault tree analysis, DFMEA and DFMA.🔨 Tools: Pro/E Creo, CATIA, AVL Excite, Minitab, Dewetron, MS-Office

Hosur, Tamil Nadu , In

💫 Studied different single cylinder valve train systems for jump and bounce phenomena💫 Conducted experimental and theoretical studies to predict critical speeds at which inlet valves jump and bounce in 2, 3, and 4-valve train systems of single cylinder motorcycle engines. 💫 Proposed design changes required to increase critical engine speeds.

Hosur, Tamil Nadu , In

💫 Estimated and synchronized intake and exhaust flow measurements under various engine conditions using Bosch air-flow sensor, Siemens fuel flow meter, and Horiba oxygen sensor toward real-time measurement of air/fuel ratio (AFR) in a carbureted, four-stroke single cylinder engine.

Doctor Of Philosophy - Phd, Mechanical Engineering

Master'S Degree, Mechanical Engineering

Bachelor'S Degree, Automobile Engineering