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. 2023 Mar 22;11:1152508. doi: 10.3389/fbioe.2023.1152508

TABLE 2.

Material parameters used in SurHUByx FEM.

Tissues Bones Cartilage Mediastinum Internal organs Muscle Skin
Manufacturable material Polyurethane resin Elastomeric resin Gel based on SEBS Gel based on SEBS Gel based on SEBS Vinyl
Material model Elasto-plastic Johnson Cook Elastic Elastic Ogden Elastic Ogden
Density (kg/m 3 ) 1220 1000 1000 880 1000 1500
Young’s modulus (MPa) 2225 16 0.05 - 10 -
Fracture plastic strain (-) 0.03 - - - - -
Yield stress (MPa) 16.5 - - - - -
Poisson’s ratio (-) 0.33 0.35 0.45 0.495 0.45 0.499
Mu 1 - - - (Time-dependent) - 0.318
Mu 2 - - - - -0.401
Alpha 1 - - - 2 - 1.492
Alpha 2 - - - -2 - -3.316