A first step in finite-element simulation of a grasping task

Figures & data

Figure 1. Flow chart of the creation of the grasping finite element model.

Figure 2. Mesh generation workflow.

Table 1. Material data.

Component	Constitutive law	Youngmodulus(MPa)	Poisson'sratio	Density(kg/m^3)
Bones	Linear elastic	15,000	0.2	2150
Flesh	Linear elastic	0.5	0.3	900
Skin	Linear elastic	16.7	0.4	1200
Synovial membrane [40]	Linear elastic	10	0.4	1000

Figure 3. Contact forces - comparison numerical results and experimental data.

Figure 4. Simulated Von Mises stress distribution (MPa).

Figure 5. Simulated contact pressure distribution (MPa).

Kumaresan S, Yoganandan N, Pintar FA. Finite element modeling approaches of human cervical spine facet joint capsule. J Biomech. 1998;31:371–376.

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