Ramadhan Wahyu Irianto State University of Malang Indonesia
Yanuar R.A. Pradana School of Mechanical and Materials Engineering, University College Dublin, Belfield, Dublin 4, Ireland Ireland
Suprayitno Suprayitno Graduate Institute of Engineering Science and Technology, National Kaohsiung First University of Science and Technology, 1 University Rd, Yanchao District, Kaohsiung 824, Taiwan, R.O.C Taiwan, Province of China