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- W2385077859 abstract "According to the computer virtual simulation of reentry flight of spacecraft, several mechanics problems of the simulation were discussed. It mainly includes a few of simulating models for the simula-toin of reentry flight of spacecraft. There are flight orbit calculating models relating to motion of rigid body. There are calculating models of aerodynamics relating to shock layer form, pressure distribution on surface, friction resistance, viscous interaction and etc. There are calculating models of aerodynamic heating relating to thickness of boundary layer, transition of boundary layer, heat transfer of boundary, roughness of body surface, radiating heat of body surface and etc. There are calculating models using finite element methods relating to analysis of structural strength, analysis of dynamic characteristic, analysis of structural stability, analysis of thermal stress and etc. There are calculating models of thermochemistry ablation relating to heat-proof materials with silicon-matrix, heat-proof materials with carbide-matrix, temperature distribution of heat-proof layer and etc. There are calculating models of particle erosion relating to weather environmental severity index, interaction between particle and shock, motion characteristic of particles and etc. There are calculating models of general parameter relating to change of instantaneous contour, change of aerodynamics characteristics, lose of general mass and etc. Among them, the calculating flow fields around the spacecraft, selecting criterion of transition in boundary layers, knowing structural response of the reentry body, reorganizing instantaneous configuratoin of the spacecraft must be specially grasped. Deal with these problems excellently, not only the simulatoin of reentry flight can be done well until the earth, but also the result of the simulation has a good reliability." @default.
- W2385077859 created "2016-06-24" @default.
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- W2385077859 date "2003-01-01" @default.
- W2385077859 modified "2023-09-26" @default.
- W2385077859 title "Several Mechanics Problems in Computer Simulation of Reentry Flight" @default.
- W2385077859 hasPublicationYear "2003" @default.
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