1. Dipartimento di Meccanica, Matematica e ManagementPolitecnico di Bari Viale Japigia 182, 70126 Bari Italy
2. Montanuniversitaet Leoben, Department Polymer Engineering and ScienceInstitute of Injection Molding of Polymers Otto Gloeckel Strasse 2, 8700 Leoben Austria
3. Hirschmann Automotiv GmbH Oberer Papelsweg 6‐8, 6830 Rankweil Austria
4. Department of Polymer TechnologyKamaraj College of Engineering and Technology S. P. G. C. Nagar K. Vellakulam Post, Tamilnadu 625701 India