Grynkevych VА. Research of application of the of penalty functions method in order to fulfill the of the incompressibility condition on the example of wedge upseting. Materials working by pressure [Internet]. 2019Dec.22 [cited 2025Sep.23];(2(49):16-9. Available from: http://omd.dgma.donetsk.ua/index.php/main/article/view/106