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To simulate the water entry process, numerical method by solving Reynolds-averaged Navier- Stokes equations coupled with Mixture model and dynamic mesh technology is presented. The dynamics of the water entry right cylinder and cylinder with 135o cone nose at the velocity of 60m/s is simulated. The cavity evolution, impact forces and pressure distribution during water entry are studied, and the influence...
The Ground Control Points (Ground Control Points, GCPs) is an important baseline data of Remote Sensing Image correction. The quantity, distribution and accuracy of GCPs play an important role in correcting Remote Sensing Image. There are many Human factors may influence the quantity, distribution and accuracy of selected GCPs. To achieve scientific selection of GCPs we should define the concept of...
In order to establish the city three-dimensional Geographic Information System, combine with the current emerging technologies of three-dimensional Geographic Information System, to explore a new method to open out 3D GIS by integrating Google SketchUp and ArcGIS. The results show that: Google SketchUp combine with ArcGIS can set up the 3D city model quickly, however, the 3D spatial query and analysis...
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