A5001656709- Wind and Air Flow Studies
- Fluid Dynamics and Vibration Analysis
- Fluid Dynamics and Turbulent Flows
- Vibration and Dynamic Analysis
- Nonlinear Dynamics and Pattern Formation
- Probabilistic and Robust Engineering Design
- Computational Fluid Dynamics and Aerodynamics
- Aerodynamics and Fluid Dynamics Research
- Chaos control and synchronization
- Brain Tumor Detection and Classification
- stochastic dynamics and bifurcation
- Vehicle License Plate Recognition
- Biomimetic flight and propulsion mechanisms
- Structural Health Monitoring Techniques
American University of Sharjah
2024-2025
Shiv Nadar University
2021-2024
In this study, numerical and experimental investigations are conducted to gain a thorough understanding of the aeroelastic behavior flexible steel flags at low air speeds. Numerical simulations using two-dimensional computational fluid dynamics solver analyze vortex shedding mechanism from circular bluff body assess its effect on downstream slender placed different gap distances. Experiments low-speed wind tunnel performed examine flow-induced flutter thin flags. Four flag shapes, namely,...
This study examines the aeroelastic interactions of triangular steel flags in tandem configuration for flow speed (U) up to 9.0 m/s, with inter-flag gap (Gf) ranging from 0.1 5 times leading flag's characteristic length (L). The flag is subjected both streamlined and vortex-induced flows (VIFs). Wind tunnel experiments reveal a subcritical bifurcation route limit cycle oscillations (LCOs) under flow, while VIF alters supercritical route. First, identical natural frequency 3.59 Hz (first...
This study focuses on characterizing the bifurcation scenario and underlying synchrony behavior in a nonlinear aeroelastic system under deterministic as well stochastic inflow conditions. Wind tunnel experiments are carried out for canonical pitch-plunge subjected to dynamic stall The is observed undergo subcritical Hopf bifurcation, giving way large-amplitude limit cycle oscillations (LCOs) flutter regime flow At this condition, we observe intermittent phase synchronization between pitch...
The non-normal nature and transient growth in amplitude energy of a pitch-plunge aeroelastic system undergoing dynamic stall are explored this paper through numerical supporting experimental studies. Wind tunnel experiments, carried out for canonical subsonic wind tunnel, show that the undergoes flutter instability via sub-critical Hopf bifurcation. responses indicate energy-possibly triggering sub-criticality, which is critical from purview structural safety. also shows followed by decaying...
Nonlinear fluid dynamical systems, such as thermoacoustic aeroelastic systems are archetypical complex involving state transitions upon a change in bifurcation parameter. These any certain direction always undesirable and can radically alter the operational paradigms associated with these systems. Hence, predicting impending is paramount for avoiding transitions. The hitherto research so far focused largely on metric-based model-based indicators to foretell an transition often fraught...
This study focuses on discerning the role of structural parameters bifurcation characteristics and underlying synchronization mechanism in an aeroelastic system undergoing nonlinear stall behaviour. To that end, wind tunnel experiments are performed a NACA 0012 airfoil capable bending (plunging) torsional (pitching) oscillations under scenarios involving aerodynamic loads, i.e., dynamic conditions. Flow conditions both deterministic/sterile flows fluctuating/stochastic fostered. The...