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This paper proposes a method to make supersonic axisymmetric mixed-compression multi-inlets get into the single subcritical condition by numerical simulation. The flow mechanism in the inlets and the changing rule of the aerodynamic performance of the missile under this condition have been studied. The results when supersonic inlets get into single subcritical condition are concluded as follows: (1)...
Performance prediction of run time in the cluster is the foundation of efficient resource management and task scheduling. Considering the defects and limitations of traditional methods based on the history and modeling analysis, this paper proposes a new approach based on the Performance Skeleton. Through the use of the MPI library's PMPI interface, we can insert wrapper-functions to the source code,...
Following the introduction of characteristic of wastewater and correlated project in the Alpine Region, the problems were pointed out which should be noticed in wastewater treatment process selection in this specific area. Some suggestions about key design parameters were proposed, and the Two-stage Bio-contact Oxidation Technology was been selected and applied in wastewater treatment plant in north...
The Through the simulating rainfall experiment, a contrast study on slope runoff and sediment yield characteristics of loess and purple soil under the same experimental conditions was conducted. The result shows that the loess slope develops the infiltration excess runoff and deeper erosion gullies, whereas the purple soil favors the saturation excess runoff with undeveloped or weakly developed slope...
The Aho-Corasick algorithm is an efficient multiple pattern matching algorithm for large scale pattern sets. However, it consumes too much memory. A new efficient space optimization algorithm (AC-Bitmap) is proposed, which is based on the data structure of the bitmap. It divides all the states in the automata into two groups by their depths in the dictionary tree of all the patterns, and reduces the...
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