Research focus in the Bai group includes:
Solid mechanics and large deformation; Damage, fracture, fatigue, debonding, strengthening, toughening, and adhesion; Stimuli-responsive actuation and instability; Soft active materials and sustainable materials; Multi-physics of materials: mechanics, thermodynamics, chemistry, optics, and electromagnetism
Geographic resource allocation, logistics, scheduling, multimodal transport systems, shared mobility, decentralized systems and resilient networks, data visualization, computational social science; Data-driven robust optimization, computational geometry, geometric probability theory, and geospatial analysis.
Nanomanufacturing; nano and microscale printing of sensors and electronics; nano and micro-scale defects in semiconductor manufacturing; high rate nanomanufacturing; power electronics, RF, NEMS devices and nanomaterials based nanoelectronics, flexible and hybrid electronics
Systems reliability, accelerated life testing in reliability prediction; big data-data driven decision making in spatiotemporal streaming environment; life data (survival data) analysis; robust design of experiments
Health care resource allocation with multi-objective resource allocation models; modeling resiliency in complex systems; design and management of outpatient health care clinics; simulation: discrete event simulation and systems dynamics; deterministic and stochastic optimization
Green manufacturing; green supply chains; disassembly modeling; remanufacturing; reverse logistics; managing end of life products; environmentally conscious manufacturing; manufacturing sustainability; reverse and closed-loop supply chains; just-in-time (jit) manufacturing and materials management; operations research: stochastic and simulation modeling
Socio-technical systems, systems engineering and design, social and economic networks, resilience of networked systems, computational social sciences, platform-based systems, sharing economy systems, computational social sciences, game theory, artificial intelligence
Multiscale and multiphase flow and transport phenomena, surface tension interactions in micro/nanoengineered structures, and electrokinetic ion transport in porous media for applications in energy storage, portable biochemical diagnostics, thermal management, and water treatment systems
Economic-environmental assessment of alternative manu/nanomanufacturing routes towards sustainable design and manufacturing, societal implications of nanomanufacturing, with interdisciplinary collaborations in political science, philosophy, industrial hygiene and industrial engineering, development and assessment of educational games for engineering students and for K-12 outreach activities.
Microstructure-macroscopic properties relationship in complex fluids; rheology and physics of complex and structured fluids; colloidal suspensions; mesoscale computational science; computational fluid dynamics; physics of living systems; hemorheology and hemodynamics
Synthesis of low dimensional nanomaterials and engineering their molecular structures; assembly, transfer and integration of nanomaterials and nanostructured architectures and study properties and underlying fundamental science; nanoelectronics, flexible devices, chemical sensors and energy application
Sensing, diagnostics and prognostics for manufacturing machines and equipment, AI for smart and sustainable manufacturing and manufacturing systems integration, Machine learning models for personalized medicine and healthcare, Computational methods for pain assessment physiological sensing systems, Engineering education, personalized learning, and mass-customized instruction model
Gasification and combustion of solid fuels, generation and containment of combustion-generated pollution, synthesis and characterization of combustion-generated materials, fire suppression – fire extinction, engine design and operation
Structure-property relationships in magnetofunctional materials for energy transformations including advanced permanent magnet materials and magnetocaloric materials; strategic materials and supply chains for technological application
Human-machine systems, human factors, biosensing and smart systems, human state and behavior modeling, transportation safety, healthcare and patient safety, human-friendly mechatronics, and human-robot interaction
Growth, reputation, and impact of the University's research portfolio including its strategic emphasis on Health, Security and Sustainability. Facilitating the success of Northeastern's faculty, staff and student researchers and scholars across ideation, articulation, execution and translation. Security, intelligence and resilience; corporate partnerships; intellectual property policy; technology readiness and transition.
Nonlinear systems and control; modeling and control of partial differential equations described systems; stochastic control and optimization; statistical and machine learning estimation and forecasting
Devices, circuits and sensing; antenna analysis, modeling, design, and optimization; subsurface scattering analysis; computational methods of electromagnetics; novel radar system specification and design; explosives detection