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. Author manuscript; available in PMC: 2020 Aug 31.
Published in final edited form as: J Biomech. 2011 Jul 13;44(12):2337–2343. doi: 10.1016/j.jbiomech.2011.05.006

Figure 1.

Figure 1

Contact pressure and contact shear stress distribution predicted by hexahedral, linear, and quadratic tetrahedral meshes under barefoot simulation conditions. (a) Contact pressure distribution under frictionless contact, compressive load, and full tissue incompressibility. (b) Contact pressure distribution under frictional contact, compressive load, and full tissue incompressibility. (c) Contact shear stress distribution under frictional contact, compressive load, and full tissue incompressibility. (d) Contact pressure distribution under frictional contact, compressive combined with shear load, and full tissue incompressibility. (e) Contact shear stress distribution under frictional contact, compressive combined with shear load, and full tissue incompressibility. Only one component of shear distribution was shown. This direction corresponded to direction of shear loading, if existed. In frictional contact, without shear loading, theoretical focalization of shear distribution should be equal in magnitude but opposite in direction. Color scale for shear was adjusted for comparison purposes, where linear tetrahedral mesh was exhibiting discrepancies from the theoretical focalization.