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    ABSTRACT

    An Analysis of Continued Plane Strain Compression by The Upper Bound Method

    Sergei Alexandrov1, Mustafa Yusof2

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.10, No.1, pp. 11-24, 2009, DOI:10.3970/icces.2009.010.011

    Abstract An efficient method for quick analysis and design of a class of metal forming processes is proposed. The method is based on the upper bound theorem and deals with continued deformation. Its main advantage is that numerical minimization involved in the upper bound method and solving differential equations for updating the configuration of deforming material are uncoupled. It significantly reduces computation time. Even though the accuracy of the method is unknown in advance, a procedure for verifying its accuracy a posteriori is proposed. The method is applied to plane strain compression of a viscous layer More >

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