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- Article name
- Numerical modeling of deformation and destruction of NPP containment at impact of falling aircraft engines
- Authors
- OSTRIK A. V., , ostrik@ficp.ac.ru, Institute for Problems of Chemical Physics RAS, Chernogolovka, Russia
KIM V. V., , kim@ficp.ac.ru, Institute for Problems of Chemical Physics RAS, Chernogolovka, Russia
OSTRIK M. A., , maria.ostrik@yandex.ru, Leonov University of Technology, Korolev, Moscow region, Russia
- Keywords
- falling aircraft / low-speed impact / defining equations of concrete compositions / deformation and destruction of NPP containment
- Year
- 2021 Issue 4 Pages 14 - 21
- Code EDN
- Code DOI
- 10.52190/2073-2562_2021_4_14
- Abstract
- A new variant of the defining equations for concrete compositions and an implicit algorithm for its numerical integration are considered. The algorithm is realized as a computer subroutine for the 3D-code of the finite-dimensional particle method. It is proposed to numerically simulate non-stationary process of containment deformation and destruction under aircraft impact in two stages (wave and shell stages). Numerical modeling of various variants of BOEING 707-320 aircraft engine impacts on containment was carried out. It was obtained that the engines of a falling aircraft having velocity 100 m/s significantly damage the containment, but do not punch it (engines stop inside the protective construction). But it is possible to collapse its central part of the spherical dome onto the inner metal shell of the containment when the impact occurs from above.
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