Numerical simulation of the natural fragmentation of explosively loaded thick walled cylinders
نویسندگان
چکیده
منابع مشابه
Meshless Local Petrov-Galerkin Method for Elasto-Static Analysis of Thick-Walled Isotropic Laminated Cylinders
In this paper, one of the simplest and most regular members of the family of the Meshless Local Petrov-Galerkin (MLPG) methods; namely MLPG5, is applied to analyze the thick-walled isotropic laminated cylinders under elasto-static pressure. A novel simple technique is proposed to eliminate a very important difficulty of the meshless methods to deal with material discontinuities regarding to the...
متن کاملNumerical Simulation of an Explosively Driven HVDC Circuit Breaker
High Voltage Direct Current (HVDC) circuit breakers have to suppress high values of currents at high voltages in absence of current-zero points. This makes the arc interruption more severe than the case of conventional AC networks. For circuit breaking in HVDC networks, a capacitor-inductor set has been inserted in parallel with the circuit breaker to inject reverse current to the interruption ...
متن کاملVIV of Tapered Cylinders: 3D LES Numerical Simulation
In the present study, the author’s previous experimental investigations on the vortex induced vibration of uniform and tapered circular cylinders are numerically simulated. The circular cylinders have medium mass ratios (5.93, 6.1), low mass-damping parameters (0.0275, 0.0279) a mean diameter of 0.028m and an aspect ratio of about 14. A fully coupled two-way fluid-structure interaction (FSI) an...
متن کاملDetermination of Residual Stress for Single and Double Autofrettage of Thick-walled FG Cylinders Subjected to Dynamic Loading
In the present article a numerical procedure is developed for dynamic analysis of single and double autofrettage of thick–walled FG cylinders under transient loading. The governing differential equations are discretized and presented in explicit Lagrangian formalism. The explicit transient solution of discrete equations are obtained on the meshed region and results for stress and strain distrib...
متن کاملHodograph Method of Nonlinear Stress Analysis of Thick - Walled Cylinders and Spheres , including Porous Materials
AbstraetA new method is developed, analogous to a hodograph method, for the nonlinear finite strain and stress analysis of thick-waged cylinders and spheres under internal and external pressure. The problem is reduced to solving a single ordinary differential equation of the first order. It is applicable to plastic or elastic materials. The case of porous cylinder with fluid seepage is also dis...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Defence Technology
سال: 2014
ISSN: 2214-9147
DOI: 10.1016/j.dt.2014.06.003