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Urban evacuation is of great significance in saving human lives when disasters strike major cities. Comparing with the large population to evacuate, the number of evacuation guiders is much smaller. Since the location of evacuation guiders can greatly influence the evacuation process, it is crucial to identify the most critical locations to assign guiders. The assignment optimization for evacuation...
A system reliability analysis method based on system functional model is presented for the limitations of existing reliability modeling and assessment methods which have difficulties in reliability modeling, especially for complex systems. System function failure model is established firstly, and then the minimum cut sets are obtained through the fault simulation. System task reliability can be calculated...
This paper establishes a hardware-in-the-loop realtime simulation system of long stator linear synchronous motor (LSM) drive with neutral point clamp (NPC) 3-level AC-DC-AC converter for high speed maglev train. The dynamic model of the LSM supplied by two parallel converters is described in detail. Hardware configuration, simulation algorithms and system model based on dSPACE real-time simulation...
Food requires strict temperature control throughout the so-called 'cold-China', in which a particular storage temperature is need for each link. Display cabinets are known to be the weakest link from this point of view and, therefore, particular attention is paid to their design. And it is a real challenge for manufacturers and users of refrigerated display cabinets to provide the products with minimal...
In this paper, dynamic modeling is investigated for shear stress induced adenosine triphosphate (ATP) release from endothelial cells (ECs). The modulation of ATP concentration at the endothelial surface by viscous shear flow is extensively investigated through numerical analysis based on the release model. The simulation results demonstrate that shear stress induced ATP release, convection and diffusion...
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