Influence of dimple depth on lubricant thickness in elastohydrodynamic lubrication for metallic hip implants using fluid structure interaction (FSI) approach by Mohd. Suri, Mohd. Syafiq, Safura Hashim, Nor Liyana, Syahrom, Ardiyansyah, Abd. Latif, Mohd. Juzaila, Harun, Muhamad Noor