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Large deformation simulation of anisotropic material using an updated Lagrangian finite element method. R.H.W. ten Thije et. al. (2007). Presentation: Med Mahmoud , April 2012. Continuum Formulation. PDE: Equilibrium Equation. Linear Constitutive Model. Continuum Formulation.

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## R.H.W. ten Thije et. al. (2007)

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**Large deformation simulation of anisotropic material using**an updated Lagrangian finite element method R.H.W. ten Thije et. al. (2007) Presentation: Med Mahmoud, April 2012**Continuum Formulation**PDE: Equilibrium Equation Linear Constitutive Model**Continuum Formulation**PDE: Equilibrium Equation Linear Constitutive Model Rate Formulation Locally Linear Constitutive Model**Linear Strain Measure**Fully Non-Linear Strain Measure**Linear Strain Measure**Fully Non-Linear Strain Measure**Geometrically Nonlinear Formulation**PDE: Equilibrium Equation “Invariant Stress” Constitutive Model**Geometrically Nonlinear Formulation**PDE: Equilibrium Equation “Invariant Stress” Constitutive Model**Geometrically Nonlinear Formulation**PDE: Equilibrium Equation “Invariant Stress” Constitutive Model ELIMINATES SPURIOUS SHEAR EFFECTS!**Application 1: Bias Extension**CONVERGENCE SUCCESSFUL!**Application 2: McKibben Actuator**EXPERIMENTAL AGREEMENT!**Extensions**Remove F from stiffness Hyperelastic fibers Anisotropic “invariant-based” constitutive model

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