Research Topic

Mechanical and Impact Characterization of Fiber Metal Laminates

Research Topic

Visual Identity Matching in Individuals with and without Intellectual Disabilities: Eye Movements, attention allocation and salience of stimulus properties

Research Topic

Wire Electrochemical Machining Wire electrochemical machining (Wire ECM) is an anodic dissolution process in which metal removal takes place atom by atom from the anode (i.e. workpiece). Very thin wires can be used as a cathode (i.e. tool) because of absence of direct contact between tool and the workpiece hence almost no mechanical cutting force and minimal heat generation. Wire ECM is an advancement in this domain for improvement in machining proficiencies to machine high aspect ratio micro-features and miniaturized parts. Lately, optimization of Wire ECM capabilities has been reported for enhancing sludge removal through axial electrolyte flow, using travelling wire electrode, vibration assisted wire electrode, use of carbon fiber electrode and providing ultra-short pulsed current supply.

Research Topic

My ME dissertation title was "Chaos prediction in a piecewise linear oscillator". We attempt to predict chaos in one dof system that consists of a spring with piecewise linear negative and nonlinear cubic stiffness using Melnikov function. The systems is perturbed by a small damping and weak external excitation. To evaluate Melnikov function, we find parametrization of the separatrix in the phase plane of the unperturbed system in a piecewise linear fashion and then find limits of integration, i.e. the times along the separatrix where the governing equation switches due to piecewise linearity. Evaluation of different integrals involved is carried out by contour integration at times.