| Issue |
EPJ Web of Conferences
Volume 94, 2015
DYMAT 2015 - 11th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 04049 | |
| Number of page(s) | 5 | |
| Section | Modeling and Numerical Simulation | |
| DOI | https://doi.org/10.1051/epjconf/20159404049 | |
| Published online | 07 September 2015 | |
https://doi.org/10.1051/epjconf/20159404049
Numerical simulation of the effect of regular and sub-caliber projectiles on military bunkers
CTU in Prague, Fac. Of Civil Engineering, Thákurova 7, 166 29 Praha 6, Czech Republic
a Corresponding author: pavel.jiricek@fsv.cvut.cz
Published online: 7 September 2015
One of the most demanding topics in blast and impact engineering is the modelling of projectile impact. To introduce this topic, a set of numerical simulations was undertaken. The simulations study the impact of regular and sub-calibre projectile on Czech pre-WW2 military bunkers. The penetrations of the military objects are well documented and can be used for comparison. The numerical model composes of a part from a wall of a military object. The concrete block is subjected to an impact of a regular and sub-calibre projectile. The model is divided into layers to simplify the evaluation of the results. The simulations are processed within ANSYS AUTODYN software. A nonlinear material model of with damage and incorporated strain-rate effect was used. The results of the numerical simulations are evaluated in means of the damage of the concrete block. Progress of the damage is described versus time. The numerical simulation provides good agreement with the documented penetrations.
© Owned by the authors, published by EDP Sciences, 2015
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