OI.1 Abaqus/Standard Output Variable Index OI.2 Abaqus/Explicit Output Variable Index OI.3 Abaqus/CFD Output Variable Index # Volume II # PART III ANALYSIS PROCEDURES, SOLUTION, AND CONTROL # 6. Analysis Procedures # Introduction Solving analysis problems: overview 6.1.1 Defining an analysis 6.1.2 General and linear perturbation procedures 6.1.3 Multiple load case analysis 6.1.4 Direct linear equation solver 6.1.5 Iterative linear equation solver 6.1.6 # Static stress/displacement analysis Static stress analysis procedures: overview 6.2.1 Static stress analysis 6.2.2 Eigenvalue buckling prediction 6.2.3 Unstable collapse and postbuckling analysis 6.2.4 Quasi-static analysis 6.2.5 Direct cyclic analysis 6.2.6 Low-cycle fatigue analysis using the direct cyclic approach 6.2.7 # Dynamic stress/displacement analysis Dynamic analysis procedures: overview 6.3.1 Implicit dynamic analysis using direct integration 6.3.2 Explicit dynamic analysis 6.3.3 Direct-solution steady-state dynamic analysis 6.3.4 Natural frequency extraction 6.3.5 Complex eigenvalue extraction 6.3.6 Transient modal dynamic analysis 6.3.7 Mode-based steady-state dynamic analysis 6.3.8 Subspace-based steady-state dynamic analysis 6.3.9 Response spectrum analysis 6.3.10 Random response analysis 6.3.11 # Steady-state transport analysis Steady-state transport analysis 6.4.1 # Heat transfer and thermal-stress analysis Heat transfer analysis procedures: overview 6.5.1 Uncoupled heat transfer analysis 6.5.2 Fully coupled thermal-stress analysis 6.5.3 Adiabatic analysis 6.5.4 # Fluid dynamic analysis Fluid dynamic analysis procedures: overview 6.6.1 Incompressible fluid dynamic analysis 6.6.2 # Electromagnetic analysis Electromagnetic analysis procedures 6.7.1 Piezoelectric analysis 6.7.2 Coupled thermal-electrical analysis 6.7.3 Fully coupled thermal-electrical-structural analysis 6.7.4 Eddy current analysis 6.7.5 Magnetostatic analysis 6.7.6 # Coupled pore fluid flow and stress analysis Coupled pore fluid diffusion and stress analysis 6.8.1 Geostatic stress state 6.8.2 # Mass diffusion analysis Mass diffusion analysis 6.9.1 # Acoustic and shock analysis Acoustic, shock, and coupled acoustic-structural analysis 6.10.1 # Abaqus/Aqua analysis Abaqus/Aqua analysis 6.11.1 # Annealing Annealing procedure 6.12.1 # 7. Analysis Solution and Control # Solving nonlinear problems Solving nonlinear problems 7.1.1 # Analysis convergence controls Convergence and time integration criteria: overview 7.2.1 Commonly used control parameters 7.2.2 Convergence criteria for nonlinear problems 7.2.3 Time integration accuracy in transient problems 7.2.4 # PART IV ANALYSIS TECHNIQUES # 8. Analysis Techniques: Introduction # Introduction Analysis techniques: overview 8.1.1 # 9. Analysis Continuation Techniques # Restarting an analysis Restarting an analysis 9.1.1 # Importing and transferring results Transferring results between Abaqus analyses: overview 9.2.1 Transferring results between Abaqus/Explicit and Abaqus/Standard 9.2.2 Transferring results from one Abaqus/Standard analysis to another 9.2.3 Transferring results from one Abaqus/Explicit analysis to another 9.2.4 # 10. Modeling Abstractions # Substructuring Using substructures 10.1.1 Defining substructures 10.1.2 # Submodeling Submodeling: overview 10.2.1 Node-based submodeling 10.2.2 Surface-based submodeling 10.2.3 # Generating matrices Generating matrices 10.3.1 Generating thermal matrices 10.3.2 # Symmetric model generation, results transfer, and analysis of cyclic symmetry models Symmetric model generation 10.4.1 Transferring results from a symmetric mesh or a partial three-dimensional mesh to a full three-dimensional mesh 10.4.2 Analysis of models that exhibit cyclic symmetry 10.4.3 # Periodic media analysis Periodic media analysis 10.5.1 # Meshed beam cross-sections Meshed beam cross-sections 10.6.1 # Modeling discontinuities as an enriched feature using the extended finite element method Modeling discontinuities as an enriched feature using the extended finite element method 10.7.1 # 11. Special-Purpose Techniques # Inertia relief Inertia relief 11.1.1 # Mesh modification or replacement Element and contact pair removal and reactivation 11.2.1 # Geometric imperfections Introducing a geometric imperfection into a model 11.3.1 # Fracture mechanics Fracture mechanics: overview 11.4.1 Contour integral evaluation 11.4.2 Crack propagation analysis 11.4.3 # Surface-based fluid modeling Surface-based fluid cavities: overview 11.5.1 Fluid cavity definition 11.5.2 Fluid exchange definition 11.5.3 Inflator definition 11.5.4 # Mass scaling Mass scaling 11.6.1 # Selective subcycling Selective subcycling 11.7.1 # Steady-state detection Steady-state detection 11.8.1 # 12. Adaptivity Techniques # Adaptivity techniques: overview Adaptivity techniques 12.1.1 # ALE adaptive meshing ALE adaptive meshing: overview 12.2.1 Defining ALE adaptive mesh domains in Abaqus/Explicit 12.2.2 ALE adaptive meshing and remapping in Abaqus/Explicit 12.2.3 Modeling techniques for Eulerian adaptive mesh domains in Abaqus/Explicit 12.2.4 Output and diagnostics for ALE adaptive meshing in Abaqus/Explicit 12.2.5 Defining ALE adaptive mesh domains in Abaqus/Standard 12.2.6 ALE adaptive meshing and remapping in Abaqus/Standard 12.2.7 # Adaptive remeshing Adaptive remeshing: overview 12.3.1 Selection of error indicators influencing adaptive remeshing 12.3.2 Solution-based mesh sizing 12.3.3 # Analysis continuation after mesh replacement Mesh-to-mesh solution mapping 12.4.1 # 13. Optimization Techniques # Structural optimization: overview Structural optimization: overview 13.1.1 # Optimization models Design responses 13.2.1 Objectives and constraints 13.2.2 Creating Abaqus optimization models 13.2.3 # 14. Eulerian Analysis # Eulerian analysis Eulerian analysis 14.1.1 Defining Eulerian boundaries 14.1.2 Eulerian mesh motion 14.1.3 Defining adaptive mesh refinement in the Eulerian domain 14.1.4 # 15. Particle Methods # Discrete element method Discrete element method 15.1.1 # Continuum particle analyses Smoothed particle hydrodynamics 15.2.1 Finite element conversion to SPH particles 15.2.2 # Particle generator Particle generator 15.3.1 # 16. Sequentially Coupled Multiphysics Analyses # Sequentially coupled multiphysics analyses Predefined fields for sequential coupling 16.1.1 Sequentially coupled thermal-stress analysis 16.1.2 Predefined loads for sequential coupling 16.1.3 # 17. Co-simulation # Co-simulation Co-simulation: overview 17.1.1 # Preparing an Abaqus analysis for co-simulation Preparing an Abaqus analysis for co-simulation 17.2.1 # Co-simulation between Abaqus solvers Structural-to-structural co-simulation 17.3.1 Fluid-to-structural and conjugate heat transfer co-simulation 17.3.2 Electromagnetic-to-structural and electromagnetic-to-thermal co-simulation 17.3.3 Executing a co-simulation 17.3.4 # Co-simulation using Abaqus and discrete models Structural-to-logical co-simulation 17.4.1 # 18. Extending Abaqus Analysis Functionality # User subroutines and utilities User subroutines: overview 18.1.1 Available user subroutines 18.1.2 Available utility routines 18.1.3 # 19. Design Sensitivity Analysis # Design sensitivity analysis Design sensitivity analysis 19.1.1 # 20. Parametric Studies # Scripting parametric studies Scripting parametric studies 20.1.1 # Parametric studies: commands aStudy.combine(): Combine parameter samples for parametric studies. 20.2.1 aStudy.constrain(): Constrain parameter value combinations in parametric studies. 20.2.2 # CONTENTS aStudy.define(): Define parameters for parametric studies. 20.2.3 aStudy.execute(): Execute the analysis of parametric study designs. 20.2.4 aStudy.gather(): Gather the results of a parametric study. 20.2.5 aStudy.generate(): Generate the analysis job data for a parametric study. 20.2.6 aStudy.output(): Specify the source of parametric study results. 20.2.7 aStudy=ParStudy(): Create a parametric study. 20.2.8 aStudy.report(): Report parametric study results. 20.2.9 aStudy.sample(): Sample parameters for parametric studies. 20.2.10 # Volume III # PART V MATERIALS # 21. Materials: Introduction # Introduction Material library: overview 21.1.1 Material data definition 21.1.2 Combining material behaviors 21.1.3 # General properties Density 21.2.1 # 22. Elastic Mechanical Properties # Overview Elastic behavior: overview 22.1.1 # Linear elasticity Linear elastic behavior 22.2.1 No compression or no tension 22.2.2 Plane stress orthotropic failure measures 22.2.3 # Porous elasticity Elastic behavior of porous materials 22.3.1 # Hypoelasticity Hypoelastic behavior 22.4.1 # Hyperelasticity Hyperelastic behavior of rubberlike materials 22.5.1 Hyperelastic behavior in elastomeric foams 22.5.2 Anisotropic hyperelastic behavior 22.5.3 # Stress softening in elastomers Mullins effect 22.6.1 Energy dissipation in elastomeric foams 22.6.2 # Linear viscoelasticity Time domain viscoelasticity 22.7.1 Frequency domain viscoelasticity 22.7.2 # Nonlinear viscoelasticity Hysteresis in elastomers 22.8.1 Parallel rheological framework 22.8.2 # Rate sensitive elastomeric foams Low-density foams 22.9.1 # 23. Inelastic Mechanical Properties # Overview Inelastic behavior 23.1.1 # Metal plasticity Classical metal plasticity 23.2.1 Models for metals subjected to cyclic loading 23.2.2 Rate-dependent yield 23.2.3 Rate-dependent plasticity: creep and swelling 23.2.4 Annealing or melting 23.2.5 Anisotropic yield/creep 23.2.6 Johnson-Cook plasticity 23.2.7 Dynamic failure models 23.2.8 Porous metal plasticity 23.2.9 Cast iron plasticity 23.2.10 Two-layer viscoplasticity 23.2.11 ORNL – Oak Ridge National Laboratory constitutive model 23.2.12 Deformation plasticity 23.2.13 # Other plasticity models Extended Drucker-Prager models 23.3.1 Modified Drucker-Prager/Cap model 23.3.2 Mohr-Coulomb plasticity 23.3.3 Critical state (clay) plasticity model 23.3.4 Crushable foam plasticity models 23.3.5 # Fabric materials Fabric material behavior 23.4.1 # Jointed materials Jointed material model 23.5.1 # Concrete Concrete smeared cracking 23.6.1 Cracking model for concrete 23.6.2 Concrete damaged plasticity 23.6.3