GARGI MAJUMDER

CLOAK and MICA Project

• Develop integrated silicon-based mechanical microresonators for advanced microsystems and semiconductor device applications.
• Design, fabricate, and characterize ALD-grown thin-film nanolaminates for hydrogen barrier and device reliability applications.
• Investigate Microsystem Induced Catalysis (MICA) processes and thin-film interactions to improve microsystem performance and environmental stability.
• Perform device characterization using AFM, SEM, XPS, FTIR, and XRD to evaluate morphology, surface chemistry, material composition, and reliability.
• Conduct multiphysics modeling and experimental validation of microfabricated structures, correlating device performance with material and process parameters.
• Collaborate with multidisciplinary teams involving materials science, electrical engineering, and microfabrication to transition research concepts into functional microsystem technologies.

Wrinkle-free manufacturing of flexible electronics and battery materials in Roll-to-Roll processing.

• Develop vibration-based models and analyzed data to suppress wrinkling in thin flexible webs, enhancing precision in roll-to-roll manufacturing processes.
• Develop coupled thermo-mechanical finite element models to predict web stability due to radiation, replicating the CVD process.
• Led project analyzing tip fracture characteristics in emerging atomic force microscopy (AFM) modes to improve understanding of probe performance.
• Investigate the fracture behavior of AFM probes under operating modes.
• Correlate experimental observations with mechanics-based models to identify damage mechanisms, improving measurement fidelity in AFM applications.

Advanced Simulation and Modelling of Engineering Systems (ASiMoV) research project of EPSRC-UK and Rolls-Royce PLC

• Supported structural dynamics and FEA-based design optimization, improving computational efficiency and predictive accuracy.
• Collaborated with global validation teams and presented technical progress during quarterly review meetings at Rolls-Royce PLC (Derby, UK).

Vibration Analysis and Identification of Faults in a Spur-Geared Rotor System Integrated with Active Magnetic Bearings.

• Developed physics-based mathematical models for vibration and fault diagnostics in geared rotor systems.
• Conducted time- and frequency-domain vibration analyses to estimate dynamic transmission error and detect multiple fault conditions.
• Designed and built experimental test rigs integrating geared rotor, electromagnetic actuator, controller, and sensors.
• Demonstrated geared rotor active vibration & noise control and stability enhancement, with strong agreement between simulations and experiments.

• Taught undergraduate courses in engineering mechanics, mechatronics, and rotordynamics, fostering problem-solving skills in students.
• Assisted faculty with laboratory classes in vibration & acoustics, dynamics of machinery, and robotics, enhancing student understanding through hands-on experience.
• Evaluated and graded assignments and quizzes, providing timely feedback to support student learning.