Supercomputer Modeling of Parachute Flight Dynamicsстатья
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 апреля 2019 г.
Аннотация:In this article the authors present parallel implementation of numerical method for computer
modeling of dynamics of a parachute with filled canopy. To solve the 3D problem of parachute
free motion numerically, authors formulate tied problem of dynamics and aerodynamics where
aerodynamic characteristics are found with discrete vortices method on each step of integration
in time, and to find motion law the corresponding motion equations have to be solved. The
solution of such problems requires high computational resources because it is important to model
parachute motion during a long physical time period. Herewith the behavior of vortex wake behind
the parachute is important and has to be modeled. In the approach applied by the authors the
wake is modeled as a set of flexible vortex elements. So to increase computational efficiency, the
authors used methods of low-rank matrix approximations, as well as parallel implementations
of algorithms. Short description of numerical method is presented, as well as the examples of
numerical modeling.