Modeling the impacts of explosion in enclosed spaces using discontinuous boundary element and finite volume methods

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F17%3A00315162" target="_blank" >RIV/68407700:21110/17:00315162 - isvavai.cz</a>

Result on the web

<a href="https://www.witpress.com/books/978-1-78466-227-1" target="_blank" >https://www.witpress.com/books/978-1-78466-227-1</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Modeling the impacts of explosion in enclosed spaces using discontinuous boundary element and finite volume methods

Original language description

This paper is aimed at studying the influence of loading due to shock waves in an enclosed space; underground parking is a typical example. The problem which is to be solved is divided into the description of motion and pressure in the air and in displacements and stresses in the solid phase, separately; the interaction of the effects arising in the air and the solid phase are concentrated along the boundary interface between the two media. As the free hexagon method (discontinuous boundary element method) has proved to be well suitable for solving nonlinear problems in structures, it is also used, slightly adjusted, here. In order to connect both media (structure, air), the gas-dynamics in the air is described, based on equations of conservations, by finite volume elements, their shapes are also hexagonal, to be in geometrical compliance with the rock and structure. The hexagonal shapes are arbitrary, i.e. not necessarily honey combs, like mostly used in finite elements. Note that such a shape of elements complies with the requirements for the finite volume method. The BEM describes the elasticity, or nonlinear behavior inside of each hexagonal element of the solid phase, while the mechanical behavior on the interfaces between the adjacent elements obeys the laws of Mohr-Coulomb localized damage.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

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OECD FORD branch

20303 - Thermodynamics

Project

<a href="/en/project/GA17-04204S" target="_blank" >GA17-04204S: Analysis of the impact of explosions in enclosed and semi-enclosed spaces</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2017

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Boundary Elements and other Mesh Reduction Methods XXXX

ISBN

978-1-78466-227-1

ISSN

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e-ISSN

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Number of pages

13

Pages from-to

96-108

Publisher name

witpress

Place of publication

Southampton

Event location

New Forest

Event date

Sep 12, 2017

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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