“…These characteristics are used in other mathematical models of the compaction (briquetting) process in the roller presses. Despite its shortcomings, and above all, the model describing only a simplified strain state, much modern work is developed based on Johanson’s method [ 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ].…”