Super-high-speed guided systems such as hyperloops and MagLev are highly at risk of cyber and physical threats from either natural or man-made hazards. This study thus adopts a nonlinear finite element method to investigate and analyse blast responses of a spatial thin-shell structure formed as an essential part of the Hyperloop tunnelling system. The thin-shell structure is a longitudinal cylindrical tube used in hyperloop rail concepts that will have the capability to carry passenger pods travelling at speeds in excess of 1000 km/h. A robust parametric study has been carried out on a thin-shell metallic cylinder in accordance with experimental results to validate the blast simulation modelling approach. In addition, case studies have been conducted to simulate the effects of varied charge loading (TNT equivalent) of 10 kg, 15 kg and 20 kg. Since the hyperloop system is in its development stages, potential design modifications to adjust the thickness of the thin-shell cylinder are als
Researchers from Massachusetts General Hospital and the Massachusetts Institute of Technology have developed a new method for monitoring critically ill patients with circulatory shock that could reduce risk of death, predict length of hospital stay.
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winning runs on a famous night in pakistan s history. it is the first time they have 180 tenancy by 70 wickets in the first time that india have lost one by such a margin. sri lanka bit bangladesh by five wickets. he had his winning runs on his way to 80 not out. they had seven balls spare. scotland face afghanistan on monday. look away united fans. an historic day for liverpool who thrust majesty 95 0 on sunday for the biggest victory at old trafford. liverpoolare for the biggest victory at old trafford. liverpool are the only unbeaten side in the english premier league and it is a win that pulse pressure on 0le gunnar solskjaer who called his darkest day as a manager 5-0. it his darkest day as a manager 5 0. it emphasised a vast gulf between the sides. mohamed salah, predictably the main tormentor, with the edge and forward claiming the hat trick will stop there were also goals. pull pogba was sent off.