نتایج جستجو برای: projectile penetration
تعداد نتایج: 38636 فیلتر نتایج به سال:
Abstract To describe the influence of rock thickness on penetration resistance rock-concrete composite targets, a three-dimensional model was simulated using nonlinear dynamic simulation software LS-DYNA. The four targets with thicknesses 10-20, 20-20 cm, 30-20 and 40-20 cm by projectile at target angle 75 degrees is investigated in this study. A damage cloud diagram plate obtained, curves spee...
To design the explosive formed projectiles is a very detailed (accurate) process and it is possible to achieve (obtain, gain) an appropriate (a proper) and integrated projectile by only considering lots of points and experiences in designing and manufacturing the projectile and paying attention to various effective factors on the final performance. In this study, the intensity of quantitative a...
In this paper, two-dimensional and axisymmetric, time dependent transonic and supersonic flows over a projectile overtaking a moving shock wave are considered. The flow is simulated numerically by solving full time averaged Navier-Stokes equations. The equations are linearized by Newton approach. The roe’s flux splitting method, second order central difference scheme for the diffusion terms, an...
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