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ANSYS
Course Information
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| Advanced Structural Non-Linearities - 3 days
Newly designed course will focus on element selection and the wide range of constitutive models available in ANSYS. Rate-independent plasticity, viscoplasticity/creep, and hyperelasticity are some of the topics which will be discussed. Geometric instability problems and element birth and death will also be covered.
Attendees will learn the appropriate element formulations to use, the input of non-linear material parameters, and the applicability of the various constitutive models for engineering use.
Perquisite: Basic Structural Non-linearity's
Course Topics Include:
Introduction
- Course Objectives
- Course Material
- Topics Covered
- Appendix A
- Material Input
- Material GUI
Element Technology
- Chapter Overview
- Conventional Displacement-Based Continuum Elements
- Shear and Volumetric Locking in Continuum Elements
- Selective Reduced Integration (B-bar)
- Uniform Reduced Integration (URI)
- Enhanced Strain Formulation Mixed U-P Formulation
- General Recommendations for Continuum Elements
- Shell Elements
- Beam Elements
Advanced Rate-Independent Plasticity
- Background on Rate-Independent Plasticity
- Von Mises Yield Criteria
- Anisotropic/Hill Potential (HILL)
- Anisotropic/Generalized Hill Potential (ANISO)
- Voce Non-linear Isotropic Hardening (NLISO)
- Linear Kinematic Hardening
- Chaboche Non-linear Kinematic Hardening (CHAB)
- Combined Hardening (CHAB + xISO)
- Cyclic Hardening and Cyclic Softening
- Rachetting and Shakedown
- ANSYS Procedural Considerations for Plasticity
Creep
- Phenomenological Aspects of Creep
- Definition of Terms
- General Creep Equation
- Implicit Creep Procedure
- Explicit Creep Procedure
- ANSYS Solution Procedure for Creep Models
- Comparison of Implicit Vs. Explicit Creep
Viscoplasticity Background on Viscoplasticity
- RATE viscoplasticity option (Perzyna and Peirce)
- ANAND viscoplasticity option (Anand's model)
- Solution Procedure for Viscoplastic Models
Hyperelasticity
- Background on Physics of Rubber
- Background on Hyperelastic Theory
- Particular Forms of the Strain Energy Potential (18x Elements)
- Considerations for HYPERxx Elements
- Solving Hyperelasticity Models
- Material Testing and Curve-Fitting
Viscoelasticity
- Background on Viscoelastic Theory
- Rheological Models (Maxwell, Kelvin-Voigt, Standard Linear)
- ANSYS Viscoelastic Model Input
- WLF Shift Function
- TN Shift Function 7-30 Solving Viscoelasticity Models
- Curve-Fitting of Experimental Data
Drucker-Prager/Concrete
- Drucker-Prager plasticity
- Concrete model
Geometric Instability: Buckling
- Background on Structural Stability
- Linear (Eigenvalue) Buckling Procedure
- Background on Non-linear Buckling Techniques
- Non-linear Pre-Buckling Procedure
- Non-linear Post-Buckling Procedure
Element Birth and Death
- Background on Element Birth and Death
- Element Birth and Death Procedure in ANSYS
- Additional Considerations for Birth and Death
- Post processing Analyses with Active and Deactivated Elements
Each course chapter is followed by "hands-on" workshops and exercises.
Wilde FEA Training Services
For All Your FEA Requirements:
ANSYS Training; DEFORM Training; DIANA Training; DYNAFORM Training; ESACOMP Training; FASTFORM Training; FEMGV Training; LS-DYNA Training; NISA Training; PLAXIS Training; SOLID DYNAMICS Training.
For All Areas of the UK & Ireland:
South West; South East; East Anglia; West Midlands; East Midlands; North West; North East; Wales; Scotland; Northern Ireland & Southern Ireland.
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