364 citations · 408 across the 9 of their papers we have counts for
9 papers
Optimized Fish Locomotion using Design-by-Morphing and Bayesian Optimization
Hamayun Farooq, Imran Akhtar, Muhammad Saif Ullah Khalid +1
Nature has always inspired scientists and engineers to understand the underlying mechanism leading to optimal design in bio-inspired dynamics. This study presents a computational f…
Characterizing the Role of Hind Flippers in Hydrodynamics of A Harbor Seal
Amirhossein Fardi, Hamayun Farooq, Imran Akhtar +2
In this paper, we investigate the hydrodynamic characteristics of harbor seal locomotion, focusing on the role of hind flippers in thrust generation and wake dynamics. Through thre…
Enhancing Thrust in Flapping Airfoils Through Wake Interactions with Oscillating Cylinder
Amir Khan, Imran Akhtar, Muhammad Saif Ullah Khalid
Inspired by the natural motion of insects, fish, and other animals, flapping airfoils have gained significant importance due to their applications in fields such as ship propulsion…
Pressure Mode Decomposition Analysis of the Flow past a Cross-flow Oscillating Circular Cylinder
Muhammad Sufyan, Hamayun Farooq, Imran Akhtar +1
Proper orthogonal decomposition (POD) is often employed in developing reduced-order models (ROM) in fluid flows for design, control, and optimization. Contrary to the usual practic…
Larger wavelengths suit the hydrodynamics of carangiform swimmers
Muhammad Saif Ullah Khalid, Junshi Wang, Imran Akhtar +3
The wavelength of undulatory kinematics of fish is an important parameter to determine their hydrodynamic performance. This study focuses on numerical examination of this feature b…
Modal Decompositions of the Kinematics of Crevalle Jack and the Fluid-Caudal Fin Interaction
Muhammad Saif Ullah Khalid, Junshi Wang, Imran Akhtar +2
To understand the governing mechanisms of bio-inspired swimming has always been challenging due to intense interactions between the flexible bodies of natural aquatic species and w…
Quantification of Flow Noise Produced by an Oscillating Foil
Muhammad Saif Ullah Khalid, Xiaoping Jiang, Imran Akhtar +1
Getting inspired from swimming natural species, a lot of research is being carried out in the field of unmanned underwater vehicles. During the last two decades, more emphasis on t…
Modeling the Aerodynamic Lift Produced by Oscillating Airfoils at Low Reynolds Number
Muhammad Saif Ullah Khalid, Imran Akhtar
For present study, setting Strouhal Number (St) as control parameter, numerical simulations for flow past oscillating NACA-0012 airfoil at 1,000 Reynolds Numbers (Re) are performed…
Proper Orthogonal Decomposition Closure Models For Turbulent Flows: A Numerical Comparison
Zhu Wang, Imran Akhtar, Jeff Borggaard +1
This paper puts forth two new closure models for the proper orthogonal decomposition reduced-order modeling of structurally dominated turbulent flows: the dynamic subgrid-scale mod…