Table 1.
The Different Material Models, Tangent Moduli, Element Types, and Number of Elements Used in Each Material Component of the Spinal Cord Finite Element Model
| Material | Model | Etangent (kPa) | No. of elements | Element |
|---|---|---|---|---|
| Gray matter | Hyperelastic, linear elastic | 65, 90, 115, 140, 165 | 666 | Eight-node plane-strain hybrid |
| White matter | Hyperelastic, linear elastic | 65, 90, 115, 140, 165 | 2424 | Eight-node plane-strain hybrid |
| Pia mater | Linear elastic | 600, 1200, 1800, 2400, 3000 | 142 | Three-node truss hybrid |
| Platens | Linear elastic | 17,000,000 | 350, 256 | Eight-node plane-strain |