TY - JOUR T1 - Retraction: Modification of Hardening Parameter for Computational Plasticity TT - Geri Çekme: Hesaplamalı Plastizite İçin Sertleştirme Parametresinin Modifikasyonu AU - Doğru, Mehmet Hanifi PY - 2019 DA - December DO - 10.2339/politeknik.623916 JF - Politeknik Dergisi PB - Gazi University WT - DergiPark SN - 2147-9429 SP - 0 EP - 0 VL - 22 IS - 4 LA - en AB - It is declared that the article given the details above and published in 3rd issue of 2017 on pp. 647-650 in our journal has been retracted by it’s author. N2 - Yukarıda bilgileri verilen dergimiz 2017 yılı 3sayısında 647-650 sayfa aralığında yayımlanmış olan makalenin yazarı tarafındangeri çekildiği bildirilmiştir. CR - 1. Guzelbey I.H., “Finite and boundary element analysis of elasto-plastic finite strain contact problems”. Ph.D. Thesis,Cranfield University, Cranfield Institute of Technology, (1992). CR - 2. Nayak G.C. and Zienkiewicz O.C., “Elasto-Plastic stress analysis:a generalisation for various constitutive relations including strain softening”, IJNME, 113-135, (1972). CR - 3. Prager W., “The theory of plasticity: a survey of recent achievements”, Proc. Instn Mech. Engrs, 169: 41-57,(1955). CR - 4. Ziegler H., “A modification of prager's hardening rule”, Quarterly Applied Mathematics, 17: 55-65, (1959). CR - 5. Pifko A., Levine H.S., Armen H., Levy A. “Nonlinear Analysis of Structures”. NASA CR-2351, NASA, Washington D.C., (1974). CR - 6. Allen, D. H. “A note on the combined isotropic-kinematicwork hardening rule”. IJNME, 15: 1724-1728, (1980). CR - 7. Zienkiewicz O.C., Taylor L.C. “The Finite Element Method”, Mc Graw Hill., (1991). UR - https://doi.org/10.2339/politeknik.623916 L1 - https://dergipark.org.tr/en/download/article-file/814584 ER -