Abstract
The usual definition of a kinematically admissible velocity field is unnecessarily restrictive for the validity of the upper bound inequality of limit analysis. In consequence, it is shown that this inequality can be used to derive overestimates of quantities of interest in metal-forming processes which have not been considered hitherto. In particular, upper bounds can be obtained for the total load in the presence of Coulomb friction on the tool/workpiece interface. In illustration, the technique is applied to problems of compression and extrusion.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
