Membrane Factor Method For Large Deflection
Response Of Beams And Plates To Intense
Dynamic Loading
Author(s)
F. L. Chen & T. X. Yu
Abstract
This paper deals with the large deflection of rigid-plastic structural members
subjected to intense dynamic loads, such as explosive pressure and impact
loadings. From the viewpoint of energy equilibrium, a theoretical procedure
called the Membrane Factor Method was proposed by the authors in analyzing
the dynamic plastic response of beams and plates with deflections in the range
where both bending moments and membrane forces are of significance. The
Membrane Factor Method is generalized and elaborated and its applications to
various cases of dynamically loaded beams and plates are surveyed, with the
expressions of the modifying membrane factors in each case being summarized
and discussed. It is seen from comparison that the predictions by this method on
the final deflections of beams and plates agree well with the corresponding
experimental results for deflections up to 5–10 times of thickness. This
procedure greatly improves the estimates from the bending-only theory and
provides feasible complete response analyses, whose predictions are much more
reliable than modal approximations.
Keywords: Membrane F actor Method, large deflection, plastic response, beam,
plate, intense dynamic load.
Keywords
Membrane F actor Method, large deflection, plastic response, beam,
plate, intense dynamic load.
Related Book
Other papers in this volume
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