I need an expert to perform ABAQUS simulations to analyze stress distribution on the bearing surface of a hip implant. The bearing surface is made of polyethylene. Key Requirements: - Perform stress distribution simulations using ABAQUS - Focus on hip implant bearing surface - Wear analysis of the femoral head-liner contact area Ideal Skills and Experience: - Proficiency in ABAQUS - Background in biomechanical engineering or related fields - Experience with implant materials, especially polyethylene Please provide relevant experience in your bids.