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Dynamic response analysis of geometrically non‐liner structures subjected to high impact
Author(s) -
Gupta K. K.
Publication year - 1972
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620040203
Subject(s) - quadrilateral , extrapolation , fortran , finite element method , displacement (psychology) , shell (structure) , structural engineering , matrix (chemical analysis) , range (aeronautics) , container (type theory) , computer science , computer program , engineering , mathematics , materials science , mathematical analysis , mechanical engineering , psychology , composite material , psychotherapist , operating system , aerospace engineering
An efficient digital computer method is presented for the determination of propagation of elastic stresses and deformations in certain geometrically non‐linear structures subjected to high impact loading. The finite element matrix displacement approach utilizing curved quadrilateral shell elements in conjunction with a nodewise predictor–corrector method employing Runge–Kutta extrapolation techniques has been adopted for the present solution. The related computer program written in FORTRAN V for the UNIVAC 1108 computer has proved to be effective for the solution of a range of practical problems including rectangular and cylindrical panels. Numerical results are presented for a relevant structure, the cell container and the negative electrode of an impact‐resistant battery subjected to high impact, simulating its free landing on a planetary surface.