"The course exceeded my expectations tremendously. Thanks!"
---Travis Adams---
US Army Corp of Engineers
Structural Nonlinearities Training
Basic Structural Nonlinearities 1. Introduction 2. Nonlinearities Overview A. What are Nonlinearities? B. Nonlinear Solution Using Linear Solvers C. Three Types of Nonlinearities D. Nonlinear FEA Issues E. General Nonlinear Analysis Procedures 3. Obtaining the Solution A. Basic Concepts B. Automatic Solution Control C. Results File Options D. Solution Options E. Nonlinear Options F. Advanced Nonlinear Options G. Transient Options 4. Postprocessing A. Checking for Convergence B. The General Postprocessor C. The Results Viewer D. The Time-History Postprocessor E. Verification 5. Basic Geometric Nonlinearities A. Overview B. Three Kinds of geometric Nonlinearities C. Consistent Tangent Matrix D. Building the Model E. Obtaining the Solution F. Postprocessing 6. Basic Plasticity A. Overview B. Building the Model C. Obtaining the Solution D. Postprocessing 7. Introduction to Contact A. Basic Concepts B. Using the Contact Wizard C. Obtaining the Solution D. Postprocessing E. Workshop F. Assembly Contact
Advanced Contact and Bolt Pretension 1. Introduction 2. Contact Overview A. Typical Applications B. Contact Classifications 3. Contact Stiffness A. Basic Concepts B. Specifying a Value Workshop 1 – Planar Seal C. Appendix 4. Friction Workshop 2 – Planar Seal (part 2) 5. Auto Time Stepping Workshop 3 – Planar Seal (part 3) 6. Surface-to-Surface Elements A. Overview B. Advanced Options for Special Problems Workshop 4 – "No Separation" Behavior Workshop 5 – Initial Interference Workshop 6 – Initial Contact Closure Workshop 7 – Initial Penetration Range C. Rigid Surface Considerations D. Creating without the Contact Wizard Workshop 8 – Contact Pair Creation 7. Troubleshooting 8. Node-to-Node Elements Workshop 9 – Surface-to-Surface 9. Simulation 10. Node-to-Surface Elements Workshop 10– Beam Tip Contact 11. Bolt Pretension Elements A. PRETS179 Element B. Typical Procedure Workshop 11 – Bolted Plates
Advanced Structural Nonlinearities 1 Introduction A. Course Objectives B Course Material C Topics Covered 2 Element Technology A Conventional Displacement Based - Continuum Elements B Shear and Volumetric Locking in Continuum Elements C Selective Reduced Integration (B-bar) D Uniform Reduced Integration (URI) E Enhanced Strain Formulation F Mixed U-P Formulation G Solid Element Recommendations 3 Advanced Rate-Independent Plasticity A Background on Plasticity B von Mises Yield Criteria C Hill Yield Criterion (HILL) D Generalized Hill Potential (ANISO) E Isotropic Hardening F Linear Kinematic Hardening G Nonlinear Kinematic Hardening H Combined Hardening I Cyclic Hardening and Cyclic Softening J Rachetting and Shakedown K Cat Iron Plasticity L Procedure for Plasticity Problems 4 Creep A Background on Creep B Definition of Terms C General Creep Equation D Implicit Creep Procedure E Solving Creep Problems 5 Viscoplasticity A Background on Viscoplasticity B RATE viscoplasticity option (Perzyna and Peirce) C ANAND viscoplasticity option (Anand’s model) D Solving Viscoplastic Problems 6. Hyperelasticity A Background on Elastomers B Background on Hyperelasticity C Particular Forms of W D Curve-Fitting and Testing E ANSYS Procedure 7 Viscoelasticity A Background on Viscoelastic Theory B Viscoelastic Material Input C Viscoelastic Solution Material D Curve-Fitting of Experimental Data 8 Drucker-Prager/Concrete A Drucker-Prager Plasticity B Concrete Model 9. Geometric Instability: Buckling A Background on Structural Stability B Linear Eigenvalue Buckling C Eigenvalue Buckling Procedure D Background on Nonlinear Buckling E Nonlinear Buckling F Nonlinear Pre-Buckling Procedure G Nonlinear Post-Buckling Procedure 10 Element Birth and Death A Background on Birth and Death B Birth and Death Procedure C Additional Considerations D Reviewing Results
