نتایج جستجو برای: cable structures

تعداد نتایج: 466763  

Journal: :Journal of structural engineering. B 2023

This paper applies a discretization formulation of the finite element method using minimal surface for membrane structures and denotes an initial shape analysis procedure cable-reinforced HP-type suspension structure pneumatic as numerical model. In computation process cable introduction, moving boundaries are set is introduced step by to denote stable procedure. addition, elements obtained ass...

2016
I Todt D Karimi J Luger A Ernst P Mittmann

Introduction. To achieve a functional atraumatic cochlear implantation, intracochlear pressure changes during the procedure should be minimized. Postinsertional cable movements are assumed to induce intracochlear pressure changes. The aim of this study was to observe intracochlear pressure changes due to postinsertional cable movements. Materials and Methods. Intracochlear pressure changes were...

2015
Silvia Schwarze

In the design of wire-based networks, the implementation of infrastructure is a major cost component. One way to obtain cost savings is to coordinate trenching activities of different network operators, e.g., telecommunication providers may join forces with local communities when digging roads or pavements. In this work, the Multi-Commodity Cable Trench Problem (MC-CTP) is introduced that aims ...

Journal: :Frontiers in Materials 2022

As light and efficient large-span space structures, beam string structures have been widely used since the 1980s. Within them, cables are main force-bearing component; their level of tension determines overall stiffness, performance structural safety structures. Real-time monitoring cable force during construction service periods is an important effective measure to ensure structure. At present...

Journal: :PLoS ONE 2008
Xiaoxue Fan Skylar Martin-Brown Laurence Florens Rong Li

The ability of actin filaments to function in cell morphogenesis and motility is closely coupled to their dynamic properties. Yeast cells contain two prominent actin structures, cables and patches, both of which are rapidly assembled and disassembled. Although genetic studies have shown that rapid actin turnover in patches and cables depends on cofilin, how cofilin might control cable disassemb...

Journal: :Developmental cell 2009
Rodrigo Fernandez-Gonzalez Sérgio de Matos Simoes Jens-Christian Röper Suzanne Eaton Jennifer A Zallen

Axis elongation in Drosophila occurs through polarized cell rearrangements driven by actomyosin contractility. Myosin II promotes neighbor exchange through the contraction of single cell boundaries, while the contraction of myosin II structures spanning multiple pairs of cells leads to rosette formation. Here we show that multicellular actomyosin cables form at a higher frequency than expected ...

Journal: :E3S web of conferences 2023

The paper analyses the impact of electromagnetic field an alternating current catenary section on a fiber-optic cable suspended structures system or overhead wires Centralised Traffic Control (CTC). Based this calculation, conclusions have been made about negative electric fields with high vorticity.

1984
T. P. Stossel

The realization that actin is a constituent of nonmuscle cells (1) and the identification of actin filaments in the periphery ofsuch cells (2) opened up a new world ofmolecular biology. For the first time it became possible to explain in detail a body of phenomena described over two centuries concerning important aspects of cell shape, movement, and consistency. Although actin comprises only on...

Journal: :Mathematical and computational applications 2022

This paper proposes an efficient numerical technique for simulating hybrid fiber-reinforced polymer (FRP) bridge systems. An integrated finite strip method (IFSM) is proposed to evaluate the free vibration performance of cable-stayed FRP bridges. The structural ultra-long span (ULSCSB) totally different than steel and concrete structures due complexity mechanical behavior deck. Herein, anisotro...

2001
Bjørn Gustavsen

The available EMTP-type programs have dedicated support routines (Cable Constants) for calculating an electric representation of cable systems in terms of a series impedance matrix Z and a shunt admittance matrix Y, based on cable data defined by geometry and material properties. Z and Y are then used as the basic input for the various cable models applied in time domain transient simulations. ...

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