Fig. 2.

Three different finite element models were fabricated (e.g. a healthy model, with a patient-specific implant and with a conventional implant) after meshing and material assignment in the Materialise software. The cartilage layer was modelled per bone part and illustrated in orange, the femur is illustrated in red (i). Their coordinate system & boundary conditions (ii), constraints (iii) and, interactions (vi) are identical for all models