Key Engineering Materials, Volume (462), No (1), Year (2011-1) , Pages (200-206)

Title : ( Elastic-plastic flange wrinkling of circular plates in deep drawing process )

Authors: Farzad Moayyedian , Mehran Kadkhodayan ,

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This paper deals with two-dimensional plane stress wrinkling model of elastic/plastic annular plate. Based on energy method and nonlinearity of strain-displacement law, a bifurcation functional in polar coordinate is derived analytically. This technique leads to the critical conditions for the onset of the elastic/plastic wrinkling of the flange during the deep-drawing process. Tresca yield criterion along with deformation theory of plasticity are utilized and the material of the plate is assumed to behave perfectly plastic. Moreover, the influence of the blankholder upon wrinkling and on the number of the generated waves is quantitatively predicted by the suggested scheme. The main advantage of the proposed solution is its better agreement with the experimental and analytical results found by the other resarchers.


, Elastic/plastic wrinkling, Energy method, Bifurcation functional, Circular plate, Deep drawing process.
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author = {Moayyedian, Farzad and Kadkhodayan, Mehran},
title = {Elastic-plastic flange wrinkling of circular plates in deep drawing process},
journal = {Key Engineering Materials},
year = {2011},
volume = {462},
number = {1},
month = {January},
issn = {1013-9826},
pages = {200--206},
numpages = {6},
keywords = {Elastic/plastic wrinkling; Energy method; Bifurcation functional; Circular plate; Deep drawing process.},


%0 Journal Article
%T Elastic-plastic flange wrinkling of circular plates in deep drawing process
%A Moayyedian, Farzad
%A Kadkhodayan, Mehran
%J Key Engineering Materials
%@ 1013-9826
%D 2011