Predeformed geometrically exact beam model for a dynamic‐response prosthesis

Abstract Clinical trials have shown that the storage and release of energy in prosthetic feet plays a major role resulting walking comfort for patient. In comparison to rigid multi‐axis feet, dynamic‐response show good capabilities thereby increase To accurately simulate such prosthesis gait cycle simulation, its model has represent deformation as possible. Based on theory predeformed geometrically exact beams [1], this work proposes carbon spring foot prosthesis, continuing from [3]. The is based Össur Vari‐Flex®, which been non destructively reverse engineered CAD representation various parameters. Additionally, parameters density elasticity shear modulus were refined with parameter optimisation [4]. beam offers large deformations occurring during while reducing computational cost. model's implementation validated numerically brief mesh study performed. next step consideration epistemic uncertainty investigate influence prediction prosthesis.