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ResearchMy research interests include uncertainty quantification for complex system design, sensitivity analysis, decision-making under uncertainty, and aviation environmental impacts.
Uncertainty Quantification for the Design of Complex SystemsOne of the main challenges of current system design practices is the inability to recognize performance, cost, and schedule risks as they emerge. My doctoral research focuses on the development of an integrated framework for the quantification and mitigation of uncertainty in the design of complex systems. The main idea is to model design evolution as a stochastic process, characterizing uncertainty in various design parameters and quantities of interest probabilistically, and update those estimates in successive iterations as new information becomes available. Key aspects of this work include establishing qualitatitive and quantitative definitions of complexity and risk, performing decomposition-based sensitivity analysis to identify the main contributors to uncertainty, and visualizing design tradeoffs to guide the allocation of resources for uncertainty mitigation.
Monetization of Aviation-Related Noise ImpactsWith the demand for commercial aviation projected to rise steadily over the next several decades, policymakers, researchers, and aircraft manufacturers are particularly interested in understanding and mitigating the environmental impacts of aviation, which include noise, air quality degradation, and climate change. My Master's research focused on the development of a new method to quantify the monetary damages of aviation-related noise, which is critical for cost-benefit analysis of various policy options. The proposed method circumvents many of the data challenges associated with previous approaches and enables the assessment of aviation noise impacts on a global scale. This work is part of the US FAA's Aviation Environmental Tools Suite, and has been used in a number of policy analyses to date.Multi-Element Flexible Structures for Noise AttenuationAs an undergraduate, I conducted research to investigate sound transmission characteristics through multi-element flexible panels in order to develop innovative methods for passive noise reduction. The main idea is to reduce the coupling between the vibrating panel structure and the acoustic field, thereby attenuating noise. Specific strategies studied include panels with varying thickness and elastic modulus in different regions, layered structures connected by an elastic suspension, and panels with multiple differentially tuned subsidiary elements acting as resonators which decrease the overall structural response. |