The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A significant share of total manufactured workpieces, obtained in the metal forming processes, are workpieces with a developed «thin» blanket and the ribs. Mathematical model, describing the deformation of a thin layer of metal, based on «sand analogy». Due to a number of assumptions, this model gives an approximate picture of the metal flow. It is very convenient for constructing a visual picture...