Natarajan, R.N.

model stress-shielding density element relationship journal !erence femur parameter study weinan biomechanic di !erence subject sti !ness e !ect bone loss carter strain value di !erences stress-shielding signal e !ects 110 gpa / journal strain energy modulu periprosthetic signal variation orthopaedic stress load case method research fe model loading femoral adaptation analyses computer material number input parameters region 40 gpa energy load cases skinner huiske implant subject-speci !erent property keyak sensitivity fe models geometry bone density between-subject variation surgery result between-subject rietbergen sumner analysis periprosthetic bone adaptation periprosthetic bone loss condition input hip replacement surface distribution loading conditions computer models ct number model parameters ct numbers 1992. engineering