Odgaard, A.

model trabecular tissue volume fraction volume strain plate model structure trabecular bone stress element fraction structure model index density method modulu plate thickness value ratio trabecular thickness study number connectivity trabecular number fe model strain energy density energy cancellous bone connectivity density property voxel result tissue modulus spacing parameter trabeculae distribution trabecular spacing material specimen tissue stress 0.001 cancellou biomechanic index measure level sample histogram stiffness compressive-test model trabecular structure voxel size change displacement condition boundary regression model-based element stiffness matrix figure load direction volume fractions material properties force slope tb.sp effect z-direction tibia tb.th fraction-dependent loading analysis direction compressive-test boundary conditions intercept component