<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Numerical simulations of air blast loading in the near-field acting on the ground have been performed. A simplified blast model based on empirical blast loading data representing spherical and hemispherical explosive shapes has been simulated. Conwep is an implementation of the empirical blast models presented by Kingery and Bulmash, which is also implemented in the commercial code LS-DYNA based on work done by Rahnders-Pehrson and Bannister. This makes it possible to simulate blast loads acting on structures representing spherical and hemispherical explosive shapes of TNT with reasonable computational effort as an alternative to the SPH and Eulerian model. The CPU time for the simplified blast model is however considerably shorter and may still be useful in time consuming concept studies. Reasonable numerical results using reasonable model sizes can be achieved not only for modelling near-field explosions in air but most areas of geotechnical. Calculation was compared with blast SPH and Eulerian model.</p></abstract>

Numerical simulations of air blast loading in the near-field acting on the ground have been performed. A simplified blast model based on empirical blast loading data representing spherical and hemispherical explosive shapes has been simulated. Conwep is an implementation of the empirical blast models presented by Kingery and Bulmash, which is also implemented in the commercial code LS-DYNA based on work done by Rahnders-Pehrson and Bannister. This makes it possible to simulate blast loads acting on structures representing spherical and hemispherical explosive shapes of TNT with reasonable computational effort as an alternative to the SPH and Eulerian model. The CPU time for the simplified blast model is however considerably shorter and may still be useful in time consuming concept studies. Reasonable numerical results using reasonable model sizes can be achieved not only for modelling near-field explosions in air but most areas of geotechnical. Calculation was compared with blast SPH and Eulerian model.

Numerical Simulations of Blast Loads from Near-Field Ground Explosions in Air

Mechanical Engineering Department, Gdynia Polish Naval Academy, Śmidowicza 19, 81-103 Gdynia, Poland

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Numerical Simulations of Blast Loads from Near-Field Ground Explosions in Air"}

Numerical simulations of air blast loading in the near-field acting on the ground have been performed. A simplified blast model based on empirical blast...

Numerical Simulations of Blast Loads from Near-Field Ground Explosions in Air

Publié en ligne: 12 févr. 2016

Pages: 11 - 18

DOI: https://doi.org/10.1515/sgem-2015-0040

Mots clés
near-field, blast load, numerical simulation, high explosive

© 2015 Stanisław Dobrociński et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Numerical Simulations of Blast Loads from Near-Field Ground Explosions in Air

Publié en ligne: 12 févr. 2016

Pages: 11 - 18

DOI: https://doi.org/10.1515/sgem-2015-0040

Mots clésnear-field, blast load, numerical simulation, high explosive

© 2015 Stanisław Dobrociński et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
near-field, blast load, numerical simulation, high explosive