A technique for computing free surfaces by a steady state approach has been included in the hot rolling code ROLL3. It has been described in a previous paper, along with applications to some simple rolling passes. In the present text, new developments are included to deal with more complex geometries, in particular when several potentially free surfaces exist. The problem of contact with flanks of grooves is given special care. Application to dog bone formation and flattening is presented. Then a case with two free surfaces is computed and compared to experiments. An application is then performed to beam roughing passes.
CHENOT, J.L., MONTMITONNET, P., BUESSLER, P. and FAU, F. (1991), "FINITE ELEMENT COMPUTATION OF SPREAD IN HOT FLAT AND SHAPE ROLLING WITH A STEADY STATE APPROACH", Engineering Computations, Vol. 8 No. 3, pp. 245-255. https://doi.org/10.1108/eb023837Download as .RIS
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