Pressure Loads by Gas in an Enclosed Chamber in DYNA3D

Lin, J ; Badders, D C

Lawrence Livermore National Laboratory

关键词: Pressure Dependence;    Volume;    Computerized Simulation;    42 Engineering;    Algorithms;   

DOI  :  10.2172/15013466
RP-ID  :  UCRL-ID-149656
RP-ID  :  W-7405-ENG-48
RP-ID  :  15013466

美国|英语

来源: UNT Digital Library

【 摘 要 】

New algorithms that efficiently calculate the volume of a closed chamber are presented in this paper. The current pressure in the enclosed chamber can then be computed, based on the user-specified gas law, from the updated volume and the initial volume and pressure of the chamber. This pressure load function is very useful in modeling common features, such as air pocket, airbag, piston, and gun barrel, in structural analyses.