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The move to high performance applications greatly increases the demand to produce large instantaneous fluid forces for high-speed maneuvering and improved power efficiency for sustained propulsion. Animals achieve remarkable feats of…

Fluid Dynamics · Physics 2016-09-22 G D Weymouth

Ocean dynamics play a crucial role in global climate, ecosystems, and human activities, necessitating accurate and efficient methods to characterize ocean currents and waves. This paper presents the development of a novel bio-inspired…

Fluid Dynamics · Physics 2024-09-23 Brendan M. Unikewicz

This paper presents aims at mobility improvement of flexible underwater robots. For this purpose, a novel propulsion method using planar structural vibration pattern is proposed, and tested on two kinds of prototypes. The result of…

Robotics · Computer Science 2016-12-02 Jun Shintake , Aiguo Ming , Makoto Shimojo

The last few decades have led to the rise of research focused on propulsion and control systems for bio-inspired unmanned underwater vehicles (UUVs), which provide more maneuverable alternatives to traditional UUVs in underwater missions.…

Robotics · Computer Science 2023-10-24 Brian Zhou , Jason Geder , Alisha Sharma , Julian Lee , Marius Pruessner , Ravi Ramamurti , Kamal Viswanath

The concept of aerial-aquatic robots has emerged as an innovative solution that can operate both in the air and underwater. Previous research on the design of such robots has been mainly focused on mature technologies such as fixed-wing and…

Robotics · Computer Science 2023-04-11 Xiao Xiong , Xinyu Zhang , Huanhao Huang , Kangyao Huang

Bio-inspired propulsion using oscillating fins has gained attention for its potential to achieve high thrust, efficiency, and maneuverability. Many aquatic organisms generate propulsion through coordinated fin oscillations, and…

Fluid Dynamics · Physics 2026-04-28 Parker Thomas Grobe

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, micro aerial vehicles, and autonomous underwater vehicles.…

Fluid Dynamics · Physics 2024-11-01 Amir Khan , Imran Akhtar , Muhammad Saif Ullah Khalid

Flapping foils are widely studied as bioinspired propulsors, yet most investigations have focused on regular, sinusoidal kinematics. In realistic environments, however, irregular motions arise naturally due to environmental disturbances,…

Fluid Dynamics · Physics 2025-10-22 Harshal S. Raut , Jung-Hee Seo , Rajat Mittal

Natural fliers like bats exploit the complex fluid-structure interaction between their flexible membrane wings and the air with great ease. Yet, replicating and scaling the balance between the structural and fluid-dynamical parameters of…

Fluid Dynamics · Physics 2022-08-23 Alexander Gehrke , Jules Richeux , Esra Uksul , Karen Mulleners

Ocean sampling for highly temporal phenomena, such as harmful algal blooms, necessitates a vehicle capable of fast aerial travel interspersed with an aquatic means of acquiring in-situ measurements. Vehicle platforms with this capability…

Fluid Dynamics · Physics 2015-07-27 Jacob S. Izraelevitz , Michael S. Triantafyllou

Deformable substrates such as sand and mud present significant challenges for terrestrial robots due to complex robot-terrain interactions. Inspired by mudskippers, amphibious animals that naturally adjust their tail morphology and movement…

Robotics · Computer Science 2026-03-10 Shipeng Liu , Meghana Sagare , Shubham Patil , Feifei Qian

The last few decades have led to the rise of research focused on propulsion and control systems for bio-inspired unmanned underwater vehicles (UUVs), which provide more maneuverable alternatives to traditional UUVs in underwater missions.…

Robotics · Computer Science 2024-07-02 Brian Zhou , Kamal Viswanath , Jason Geder , Alisha Sharma , Julian Lee

Underwater robots are widely deployed for ocean exploration and manipulation. Underactuated mechanisms are particularly advantageous in aquatic environments, as reducing actuator count lowers the risk of motor leakage while introducing…

Robotics · Computer Science 2026-03-10 Chenrui Zhang , Yiyuan Zhang , Yunfei Ye , Junkai Chen , Haozhe Wang , Cecilia Laschi

Submerged flapping foils can convert wave energy directly into thrust, which could be potentially utilised for green marine propulsion. This study analyses the wave-induced flapping hydrofoil propulsion using an in-house developed, new…

Fluid Dynamics · Physics 2022-09-14 Jingru Xing , Dimitris Stagonas , Phil Hart , Chengchun Zhang , Jianhui Yang , Liang Yang

While undulatory swimming of elongate limbless robots has been extensively studied in open hydrodynamic environments, less research has been focused on limbless locomotion in complex, cluttered aquatic environments. Motivated by the concept…

Robotics · Computer Science 2024-09-30 Tianyu Wang , Nishanth Mankame , Matthew Fernandez , Velin Kojouharov , Daniel I. Goldman

Tried-and-true flapping wing robot simulation is essential in developing flapping wing mechanisms and algorithms. This paper presents a novel application-oriented flapping wing platform, highly compatible with various mechanical designs and…

Robotics · Computer Science 2023-03-09 Chen Qian , Yongchun Fang , Fan jia , Jifu Yan , Yiming Liang , Tiefeng Li

Saving energy and enhancing performance are secular preoccupations shared by both nature and human beings. In animal locomotion, flapping flyers or swimmers rely on the flexibility of their wings or body to passively increase their…

Biological Physics · Physics 2011-08-30 Sophie Ramananarivo , Ramiro Godoy-Diana , Benjamin Thiria

To maintain full autonomy, autonomous robotic systems must have the ability to self-repair. Self-repairing via compensatory mechanisms appears in nature: for example, some fish can lose even 76% of their propulsive surface without loss of…

Robotics · Computer Science 2024-02-05 Meredith L. Hooper , Isabel Scherl , Morteza Gharib

Underwater vehicles have seen significant development over the past seventy years. However, bio-inspired propulsion robots are still in their early stages and require greater interdisciplinary collaboration between biologists and…

For the dynamic analysis of floating offshore wind turbines (FOWTs) in realistic operating environment, this paper develops a coupled aero-hydro-mooring-servo model applicable to turbulent wind and irregular sea states with high…

Fluid Dynamics · Physics 2026-01-06 Yi Zhang , Peter Stansby , David Apsley , Hannah Mullings
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