Results 41 to 50 of about 11,968 (257)
Numerical Simulation of the Hydrodynamic Performance and Self-Propulsion of a UUV near the Seabed
Applied Sciences, 2022 Unmanned underwater vehicles (UUV) face maneuverability and rapidity challenges when they are applied for detecting and repairing submarine oil and gas pipelines, and fiber cables near the seabed.
Xiaodong Liu +3 more
doaj +1 more source
Self-propulsive active nematics
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering SciencesIncreasing evidence suggests that active matter exhibits instances of mixed symmetry that cannot be fully described by either polar or nematic formalism. Here, we introduce a minimal model that integrates self-propulsion into the active nematic framework.
Niels de Graaf Sousa +3 more
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IEEE Access, 2020 This article presents a specialized control system for an unmanned surface cleaning vessel (USCV) employing a pump-valve propulsion system. The system has three operational modes, including manual remote-control mode, self-automated cruise mode, and self-
Yaojing Luo +3 more
doaj +1 more source
Fish biorobotics: kinematics and hydrodynamics of self-propulsion [PDF]
Journal of Experimental Biology, 2007 SUMMARYAs a result of years of research on the comparative biomechanics and physiology of moving through water, biologists and engineers have made considerable progress in understanding how animals moving underwater use their muscles to power movement, in describing body and appendage motion during propulsion, and in conducting experimental and ...
Lauder, George +3 more
openaire +4 more sources
Arthritis Care &Research, EarlyView.Over the past 50 years, the science of pediatric rheumatology has grown exponentially due to an expansion in the understanding of complex rheumatic conditions and a surge in novel targeted therapeutics. Physician‐scientists in the field of pediatric rheumatology have played major roles in these advancements that have improved the care of children ...
Ekemini A. Ogbu +2 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.In this review, the current state of light‐assisted 3D printing as it pertains to engineering musculoskeletal tissues including bone, cartilage, skeletal muscle, tendon, and ligaments is summarized. Common printing techniques, photoreactive materials, and study design choices are compiled and reviewed.
Meagan Morgan, Bin Zhang, Roger Narayan
wiley +1 more source
On self-propulsion by oscillations in a viscous liquid
Journal of Differential Equations71 pages, 2 ...
Giovanni P. Galdi +2 more
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On the self-propulsion of an -sphere micro-robot [PDF]
Journal of Fluid Mechanics, 2013 AbstractThe aim of this paper is to describe the self-propulsion of a micro-robot (or micro-swimmer) consisting of $N$ spheres moving along a fixed line. The spheres are linked to each other by arms with their lengths changing periodically. We use the asymptotic procedure containing the two-timing method and a distinguished limit.
openaire +3 more sources
Advanced Engineering Materials, EarlyView.The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee +7 more
wiley +1 more source
Turbulence in active fluids caused by self-propulsion [PDF]
Asymptotic Analysis, 2019 A rigorous analytical justification of turbulence observed in active fluids and caused by self-propulsion is presented. We prove existence of unstable wave modes for the generalized Stokes and Navier–Stokes systems by developing an approach in spaces of Fourier transformed Radon measures.
Christiane Bui +2 more
openaire +2 more sources