RETRACTED: Combination of group method of data handling neural network with multi-objective gray wolf optimizer to predict the viscosity of MWCNT-TiO2 -oil SAE50 nanofluid
Abstract
This article has been retracted: please see Elsevier policy on article withdrawal ( https://www.elsevier.com/about/policies-and-standards/article-withdrawal ). This article is being retracted at the request of the Editor-in-Chief Post-publication, an investigation conducted on behalf of the journal by Elsevier's Research Integrity & Publishing Ethics team discovered suspicious changes in authorship between the original submission and the revised and published version of this paper. During revision, the authors Hongfei Zhou, Ali B.M. Ali, Hussein Zekri, Hanaa Kadhim Abdulaali, Pardeep Singh Bains, Rohit Sharma, Dilsora Abduvalieva, Mohammadreza Baghoolizadeh and Soheil Salahshour were added to the revised paper without explanation and without exceptional approval by the journal editor, which is contrary to the journal policy on changes to authorship. The journal reached out to the authors for an explanation, but they failed to provide a satisfactory explanation to these changes. The Editor has determined that the authorship cannot be relied upon and has lost confidence in the results and conclusions of the article and has determined it should be retracted. Apologies are offered to readers of the journal that this was not detected during the submission and publication process. The authors disagree with the retraction and dispute the grounds for it.