Results 121 to 130 of about 1,141 (177)

Wireless, wearable elastography via mechano-acoustic wave sensing for ambulatory monitoring of tissue stiffness. [PDF]

Sci Adv
Li C, Wang H, Song Z, Zhang W, Pan Y, Zhao Z, Qiu C, Yin K, Han M, Wang AB, Luan H, Li J, Yan W, Chen S, Shen H, Liu TL, Lee SSM, Ding W, Huang Y, Rogers JA, Wu C, Ni X.   +21 more
europepmc   +1 more source

pH-responsive printable conductive hydrogels loaded with ApoVs promote diabetic wound repair through oxidative stress scavenging and macrophage reprogramming. [PDF]

Mater Today Bio
Yan Z, Li R, Gao W, Yang J, Wang X, Zhang J, Tai W, Cheang LH, Ye Z.   +8 more
europepmc   +1 more source

On the Mechanics of Electrical Cables in Subsea Control Umbilicals

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A study on hovering motion of the underwater vehicle with umbilical cable

Ocean Engineering, 2017
Abstract The paper presents a new modeling of the behavior of an underwater vehicle (UV) operating in the littoral sea, including the umbilical cable (UC) effect, where we derive a new simulation method of the full equations of the combined rigid body motion of a UV and flexible motion of the UC. In the modeling of flexible UC dynamics, we establish
Hyeungsik Choi
exaly   +2 more sources

On the motions of the underwater remotely operated vehicle with the umbilical cable effect

Ocean Engineering, 2007
Abstract In this paper, a hydrodynamic model is developed to simulate the six degrees of freedom motions of the underwater remotely operated vehicle (ROV) including the umbilical cable effect. The corresponding hydrodynamic forces on the underwater vehicle are obtained by the planar motion mechanism test technique.
Ming-Chung Fang
exaly   +2 more sources

Three-Dimensional Dynamic Behavior of the Flexible Umbilical Cable System

Applied Mechanics and Materials, 2013
We extend an idea of the modeling flexible umbilical cable using a nonlinear finite element method to three-dimensional space. The umbilical cable is assembled by Reissners geometrically exact beam elements, which take account of the geometric nonlinearities of large rotation and displacement, and effects of axial load, transverse shear, torsion and ...
Wei Cai Quan, Zhu Ying Zhang, Ai Qun Zhang, Qi Feng Zhang   +3 more
exaly   +2 more sources

Rotary bending of marine cables and umbilicals

Engineering Structures, 1995
The stress analysis of a marine cable or umbilical in a rotary bending test rig is presented. It is shown that the finite length of the test sample and the terminations have a significant influence on the stresses in the umbilical which is taken into consideration in determining the cyclic stress distribution in the helical components.
J.A. Witz, Z. Tan
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Umbilical cable recovery load analysis

China Ocean Engineering, 2013
Umbilical cable is a kind of integrated subsea cable widely used in the exploration and exploitation of oil and gas field. The severe ocean environment makes great challenges to umbilical maintenance and repair work. Damaged umbilical is usually recovered for the regular operation of the offshore production system.
Shu-wang Yan, Zhao-lin Jia, Xiao-wei Feng, Shi-tao Li   +3 more
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An Integrated Environment for Design and Analysis of Umbilical Cables

Volume 5A: Pipelines, Risers, and Subsea Systems, 2017
The design of an umbilical cable begins with the definition of the operational functions it must implement and the environmental conditions to that it will be subjected to. Those functions suggest the components that it must have, usually chosen from a pre-defined set.
Rodrigo Provasi, Leonardo Riccioppo Garcez, Christiano Odir Cardoso Meirelles, Clovis de Arruda Martins, Andre Freitas Barbosa, Olaf Oswaldo Otte Filho   +5 more
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Cabling umbilical and array layout

2013
This chapter discusses the case of dynamic cables and subsea connectors for which the design requirements and specifications posed by marine energy applications are distinctly different from the ones typically applied in the offshore industry. Bespoke solutions are needed in this case as the design of the connection is largely dependent on the device ...
P. Ricci, J. L. Mendia
openaire   +1 more source