نتایج جستجو برای: scale cable
تعداد نتایج: 588724 فیلتر نتایج به سال:
To increase the maximum span of cable-stayed bridges, Uwe Starossek has developed a modified statical system. The basic idea of this new concept is the use of pairs of inclined pylon legs that spread out longitudinally from the foundation base or from the girder level. Spread-pylon cable-stayed bridge has distinct advantage like reduction of sag of cables and oscillation of cable during earthqu...
In this paper, the authors study the kinematic isotropic configuration of spatial cable-driven parallel robots by means of four different methods, namely, (i) symbolic method, (ii) geometric workspace, (iii) numerical workspace and global tension index (GTI), and (iv) numerical approach. The authors apply the mentioned techniques to two types of spatial cable-driven parallel manipulators to obt...
This work introduces a finite element model of steel cable-reinforced conveyor belt to accurately compute stresses in the splice. In modelled test rig, runs on two drums and is loaded with cyclic longitudinal force. An explicit solver used efficiently handle high number elements contact conditions. This, however, some issues dynamics model, which are subsequently solved: (a) load applied smooth...
As environments are becoming increasingly harsh, the ability of optical fiber cable to withstand such environments is of the utmost importance to outside plant users. Laboratory accelerated aging environments have long been used as a measure to predict field performance of optical fiber and cables' ability to withstand harsh environments. However, there has been an issue in linking the laborato...
EEG recordings made in combined EEG-fMRI studies are corrupted by gradient artefacts (GAs) resulting from the interaction of the EEG system with the time-varying magnetic field gradients used in MRI. The dominant contribution to the GA arises from interaction with the leads of the EEG cap and the human head, but artefacts are also produced in the cables used to connect the EEG cap to the amplif...
In this paper, an efficient two-dimensional finite element model for a mooring cable and seabed interaction is built while geometric shape and tensions of the cable are computed in time domain. In the model, a hybrid beam element is employed to simulate the mooring cable with the seabed simulated by different soil constitutive models. When the elastic and elastic-plastic soil constitutive model...
The problem of electric field grading in cable components, having both theoretical and technological implications, can be framed in more general topic of field control in HV equipment. A solution may be obtained by two possible approaches: using geometric field control [11, 13, 14, 15, 17, 18], in which the field distribution depends on the arrangement of main and auxiliary electrodes or using ...
the most important factor in evaluating dental health is dmft (decayed, missing, filled, teeth). this research was conducted to compare dmft index in the workers of sweets and cable factories of shahrood (moghan), a small city near 300 km east of tehran. all the 127 production line workers of cable factory and 124 workers of sweets factory who had the predetermined criteria were selected. a que...
Methods of directly coupling sources to cables for-EMP testing are reviewed. Effects of cable impedance, cable shielding, and structure in the vicini,ty of the cable are examined. Several practical coupling mechanisms are discussed .
Wireless sensors have been proposed for use in structural health monitoring systems because they offer low-installation costs and automated data processing functionality. To validate the performance of the proposed WiMMS (wireless modular monitoring system) on the vibration measurement of large-scale civil structures, a three-story half-scale steel structure is instrumented with a wireless moni...
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