Results 31 to 40 of about 29,621 (297)

Rudder Roll Stabilization Based on Arc Tangent Nonlinear Feedback for Ships

Journal of Marine Science and Engineering, 2020
The rudder is used for damping the roll motion of a ship. Study of this motion is the essence of this paper. The responses of yaw and roll motions are different as the rudder angle varies.
Jian Zhao, Cailei Liang, Xianku Zhang
doaj   +1 more source

Roll motion on small traditional Norwegian fishing vessels [PDF]

, 2021
Roll motion is one of the six degrees of freedom and is the most difficult to predict, as roll motion is extremely sensitive to the viscous effect and induced flow separation.
Kristiansen, Gøran
core  

NUMERICAL AND EXPERIMENTAL CALCULATION OF ROLL AMPLITUDE EFFECT ON ROLL DAMPING

Brodogradnja, 2019
Roll motion is still a challenging problem in naval architecture and an adequate prediction of this physical phenomenon is important because of its undesirable effects such as capsizing.
Burak Yıldız, Ahmet Yurtseven, Toru Katayama, Bekir Şener   +3 more
doaj   +1 more source

The effects of local rotation on roll vection induced by globally rotating visual inducer

Frontiers in Psychology, 2015
A visual stimulus rotating globally along an observer’s line of sight can induce the illusory perception of self-rotation in the opposite direction (roll vection).
Shinji eNakamura
doaj   +1 more source

CFD Simulation on Workability of a Seaweed Harvesting Boat Due to Wake-Wash

Journal of Marine Science and Engineering, 2020
In the present study, a 2-ton class seaweed harvesting boat was optimized by employing a W-shape hull form to reduce roll motion due to wake-wash from passing boats.
Marco Polo Espinoza Haro, Jong-Chun Park, Dong-Hyun Kim, Sung-Bum Lee   +3 more
doaj   +1 more source

Motion analysis of suturing technique with Leap Motion Controller. Proof-of-concept

Science Progress, 2022
Purpose Leap Motion Controller is a device that can capture hand gestures and reproduce these as data comprising several parametric elements. We analyzed surgical suture motion using this device and investigated the optical methodology for clinical ...
Shota Tsuyuki, Katsuyuki Hoshina, Kazuhiro Miyahara, Masamitsu Suhara, Mitsuru Matsukura, Toshihiko Isaji, Toshio Takayama   +6 more
doaj   +1 more source

Fin based active control for ship roll motion stabilization [PDF]

, 2019
Ship roll motion control is important for vessels engaged in oceanographic research activities and this paper focuses on the design of a controller for fin based roll motion stabilization of a Coastal Research Vessel (CRV).
Neha Sunil Patil, V Anantha Subramanian, Awanish Chandra Dubey   +2 more
core   +2 more sources

A Numerical Method on Large Roll Motion in Beam Seas Under Intact and Damaged Conditions

Journal of Marine Science and Engineering
The second-generation intact stability criteria, including five stability failure modes, were approved by the International Maritime Organization (IMO) in 2020, and it is an urgent task to develop the numerical method for the significant roll motion ...
Jiang Lu, Yanjie Zhao, Chao Shi, Taijun Yu, Min Gu   +4 more
doaj   +1 more source

Experimental Determination of Non-Linear Roll Damping of an FPSO Pure Roll Coupled with Liquid Sloshing in Two-Row Tanks

Journal of Marine Science and Engineering, 2020
Wave excited roll motion poses danger for moored offshore vessels such as Floating Production Storage and Offloading (FPSO) because they cannot divert to avoid bad weather.
Jane-Frances Igbadumhe, Omar Sallam, Mirjam Fürth, Rihui Feng   +3 more
doaj   +1 more source

Rolling friction and bistability of rolling motion

, 2005
The rolling motion of a rigid cylinder on an inclined flat viscous surface is investigated and the nonlinear resistance force against rolling, $F_R(v)$, is derived. For small velocities $F_R(v)$ increases with velocity due to increasing deformation rate of the surface material.
Poeschel, Thorsten, Schwager, Thomas, Brilliantov, Nikolai, Zaikin, Alexei   +3 more
openaire   +2 more sources