Abaqus Materials Guide
Using Material Behaviors with Various Element Types
Using Complete Material Definitions
Specifying Material Data as Functions of Temperature and Independent Field Variables
Specifying Material Data as Functions of Solution-Dependent Variables
Material Failure and Element Deletion
Defining the Characteristic Element Length at a Material Point in Abaqus/Explicit
Regularizing User-Defined Data in Abaqus/Explicit
Evaluation of Strain-Rate-Dependent Data in Abaqus/Explicit
Material Behavior Combination Tables
Defining Linear Elastic Material Behavior
Directional Dependence of Linear Elasticity
Stability of a Linear Elastic Material
Defining Orthotropic Elasticity by Specifying the Engineering Constants
Defining Transversely Isotropic Elasticity
Defining Orthotropic Elasticity in Plane Stress
Defining Orthotropic Elasticity in Plane Stress with Different Moduli in Tension and Compression
Defining Orthotropic Elasticity by Specifying the Terms in the Elastic Stiffness Matrix
Defining Fully Anisotropic Elasticity
Defining Orthotropic Elasticity for 1-DOF Warping Elements
Defining Elasticity in Terms of Tractions and Separations for Cohesive Elements
Defining Isotropic Shear Elasticity for Equations of State in Abaqus/Explicit
Defining the Elastic Transverse Shear Modulus
Defining the Elasticity of a Short-Fiber Reinforced Composite
Defining the Modified Elastic Behavior
Cutoff for Principal Stress Values in Abaqus/Explicit
Plane Stress Orthotropic Failure Measures
Stress-Based Failure Measures—Failure Envelopes
Neuber and Glinka Plasticity Corrections
Specifying the Plastic Response
Plasticity Corrections in Static Perturbation Procedures
Elastic Behavior of Porous Materials
Logarithmic Porous Elasticity Model
Power Law–Based Porous Elasticity Model
Defining Hypoelastic Material Behavior
Determining the Hypoelastic Material Parameters
Hyperelastic Behavior of Rubberlike Materials
Defining the Hyperelastic Material Response
Model Prediction of Material Behavior Versus Experimental Data
Hyperelastic Behavior in Elastomeric Foams
Mechanical Behavior of Elastomeric Foams
Determining the Hyperfoam Material Parameters
Difference between Compression and Tension Deformation
Model Prediction of Material Behavior Versus Experimental Data
Anisotropic Hyperelastic Behavior
Anisotropic Hyperelasticity Formulations
Anisotropic Strain Energy Potentials
Definition of Preferred Material Directions
Stress Softening in Elastomers
Energy Dissipation in Elastomeric Foams
Energy Dissipation in Elastomeric Foams
Defining the Volumetric Behavior
Defining Viscoelastic Behavior for Traction-Separation Elasticity in Abaqus/Explicit
Determination of Viscoelastic Material Parameters
Defining the Rate-Independent Part of the Material Response
Material Response in Different Analysis Procedures
Frequency Domain Viscoelasticity
Defining the Volumetric Behavior
Determination of Viscoelastic Material Parameters
Conversion of Frequency-Dependent Elastic Moduli
Direct Specification of Storage and Loss Moduli for Large-Strain Viscoelasticity
Defining the Rate-Independent Part of the Material Behavior
Structural Relaxation in Glass
Tool-Narayanaswamy-Moynihan Model
Strain-Rate-Dependent Material Behavior for Elastomers
Defining Strain-Rate-Dependent Material Behavior for Elastomers
Parallel Rheological Framework
Defining Viscoelastic Response
Material Response in Different Analysis Steps
Tension Cutoff and Failure in Abaqus/Explicit
Defining the Elastic Constants of Austenite
Defining the Properties of Martensite and the Transformation Plateau
Inelastic Mechanical Properties
Progressive Damage and Failure
Shear and Tensile Dynamic Failure in Abaqus/Explicit
Heat Generation by Plastic Work
Models for Metals Subjected to Cyclic Loading
Usage and Calibration of the Kinematic Hardening Models
Defining Hardening Dependencies for Various Material Models
Rate-Dependent Plasticity: Creep and Swelling
Removing Creep Effects in an Analysis Step
Loading Control Using Creep Strain Rate
Effects of Annealing or Melting
Defining Anisotropic Yield Behavior on the Basis of Strain Ratios (Lankford's r-Values)
Progressive Damage and Failure
Progressive Damage and Failure
Johnson-Cook Strain Rate Dependence
Progressive Damage and Failure
Heat Generation by Plastic Work
Using the Failure Models with Rebar
Calibration of Material Parameters
Material Response in Different Analysis Steps
ORNL – Oak Ridge National Laboratory Constitutive Model
Generalization to Multiaxial Stress States
Extended Drucker-Prager Models
Hyperbolic and General Exponent Models
Progressive Damage and Failure
Matching Experimental Triaxial Test Data
Matching Mohr-Coulomb Parameters to the Drucker-Prager Model
Creep Models for the Linear Drucker-Prager Model
Modified Drucker-Prager/Cap Model
Plastic Behavior: Yield Criteria
Plastic Behavior: Flow Potentials
Critical State (Clay) Plasticity Model
Crushable Foam Plasticity Models
Crushable Foam Model with Volumetric Hardening
Crushable Foam Model with Isotropic Hardening
Test Data–Based Fabric Materials
Defining a Reference Mesh (Initial Metric)
Defining Yarn Directions in the Reference Configuration
Picture-Frame Shear Fabric Test
Uniaxial and Multiaxial Behavior
Defining Damage and Stiffness Recovery
Defining Material Failure Criteria in Abaqus/Explicit
Permanent Set in Rubberlike Materials
Plasticity Model for Superelastic Materials
Plasticity Model for Bidirectional Fabric-Reinforced Composite Materials
Progressive Damage and Failure
About Progressive Damage and Failure
General Framework for Modeling Damage and Failure
Damage and Failure for Ductile Metals
About Damage and Failure for Ductile Metals
Damage Initiation for Ductile Metals
Damage Initiation Criteria for Fracture of Metals
Damage Initiation Criteria for Sheet Metal Instability
Damage Evolution and Element Removal for Ductile Metals
Defining Damage Evolution Based on Effective Plastic Displacement
Defining Damage Evolution Based on Energy Dissipated during the Damage Process
Maximum Degradation and Choice of Element Removal
Convergence Difficulties in Abaqus/Standard
Using the Damage Models with Rebar
Damage and Failure for Fiber-Reinforced Composites
About Damage and Failure for Fiber-Reinforced Composites
Damage Initiation for Fiber-Reinforced Composites
Damage Evolution and Element Removal for Fiber-Reinforced Composites
Damage Evolution for the Hashin Model
Damage Evolution for the Ply Fabric Model
Maximum Degradation and Choice of Element Removal
Damage and Failure for Ductile Materials in Low-Cycle Fatigue Analysis
About Damage and Failure for Ductile Materials in Low-Cycle Fatigue Analysis
General Concepts of Damage of Ductile Materials in Low-Cycle Fatigue
Damage Initiation for Ductile Materials in Low-Cycle Fatigue
Damage Initiation Criteria for Ductile Materials
Damage Evolution for Ductile Materials in Low-Cycle Fatigue
Damage Evolution Based on Accumulated Inelastic Hysteresis Energy Density
Maximum Degradation and Element Removal
Energy Equation and Hugoniot Curve
Mie-Grüneisen Equations of State
User-Defined Equation of State
JWL High Explosive Equation of State
Ignition and Growth Equation of State
Use with the Mises or the Johnson-Cook Plasticity Models
Use with the Extended Drucker-Prager Plasticity Models
Use with the Tensile Failure Model
Specifying Constituent Properties for a Composite Material
Mean-Field Homogenization for Linear Elastic Composites
Incremental Mean-Field Homogenization for Nonlinear Composites
Specifying the Microstructure of the Composite
Composites with Thermal Expansion
Composites with Viscoelasticity
Band-Limited Damping in an Explicit Dynamic Analysis
Artificial Damping in Direct-Integration Dynamic Analysis
Artificial Damping in Explicit Dynamic Analysis
Effects of Damping on the Stable Time Increment in Abaqus/Explicit
Damping in Modal Superposition Procedures
Defining Thermal Expansion Coefficients
Computing Thermal Strains in Linear Perturbation Steps
Defining Increments of Thermal Strain in User Subroutines
Defining the Initial Temperature and Field Variable Values
Defining Directionally Dependent Thermal Expansion
Defining Thermal Expansion for a Short-Fiber Reinforced Composite
Defining Field Expansion Coefficients
Computing Field Expansion Strains in Linear Perturbation Steps
Defining Increments of Field Expansion Strain in User Subroutine UEXPAN
Defining the Initial Temperature and Field Variable Values
Defining Directionally Dependent Field Expansion
Defining Initial Values of Pore Fluid Pressure
Temperature Dependence of Viscosity (Abaqus/Explicit Only)
Directional Dependence of Thermal Conductivity
Porous Acoustic Material Models
Frequency Response of a Poroelastic Acoustic Medium
Poroelastic Acoustic Material Behavior
Directional Dependence of Diffusivity
Temperature-Driven Mass Diffusion
Pressure Stress-Driven Mass Diffusion
Mass Diffusion Driven by Both Temperature and Pressure Stress
Specifying the Value of Absolute Zero
Directional Dependence of Electrical Conductivity
Frequency-Dependent Electrical Conductivity
Defining a Piezoelectric Material
Alternative Forms of the Constitutive Equations
Specifying Dielectric Material Properties
Specifying Piezoelectric Material Properties
About Pore Fluid Flow Properties
Permeability in Abaqus/Standard
Specifying Field Variable Dependence for the Porous Bulk Moduli
Defining Absorption and Exsorption
Defining the Behavior between Absorption and Exsorption
Defining Volumetric Swelling Strain
Defining Initial Saturation Values
User-Defined Mechanical Material Behavior
Stress Components and Strain Increments
Unsymmetric Equation Solver in Abaqus/Standard
Hybrid Formulation in Abaqus/Standard
Hourglass Control and Transverse Shear Stiffness
Defining the Effective Modulus to Control Time Incrementation in Abaqus/Explicit
User-Defined Thermal Material Behavior
Unsymmetric Equation Solver in Abaqus/Standard
Use with Other User Subroutines
User-Defined Material Properties
Special-Purpose Material Modeling Techniques
Modeling the Cure Process in Thermosetting Polymers
Mechanical Response of the Material
Solution-Dependent State Variables
Example: Defining the Cure Modeling Capabilities
Modeling Metallurgical Phase Transformations
Material Physical Raw-Liquid-Solid (RLS) State
Specifying Material Properties as Functions of Metallurgical State
Solution-Dependent State Variables
Parameter Table Type Reference
Parameter Table Type Definition
ABQ_Cure_ReactionKinetics_Kamal
Parameter Table Type Definition
ABQ_PHASE_TRANS_Diffusional_TTT_Constants
Parameter Table Type Definition
ABQ_PHASE_TRANS_FieldVariables
Parameter Table Type Definition
ABQ_PHASE_TRANS_GrainSize_Definitions
Parameter Table Type Definition
ABQ_PHASE_TRANS_Martensitic_TTT_Constants
Parameter Table Type Definition
ABQ_PHASE_TRANS_MeltingTemperature
Parameter Table Type Definition
Parameter Table Type Definition
ABQ_PHASE_TRANS_SolidificationMap_Constants
Parameter Table Type Definition
ABQ_PHASE_TRANS_Transformations
Parameter Table Type Definition
ABQ_Cure_ReactionKinetics_MaxConversion
Property Table Type Definition
ABQ_Cure_ReactionKinetics_Tabular
Property Table Type Definition
Property Table Type Definition
Property Table Type Definition
Property Table Type Definition
Property Table Type Definition
ABQ_PHASE_TRANS_Diffusional_JMA_Coefficients
Property Table Type Definition
ABQ_PHASE_TRANS_Diffusional_ParentEquiFrac
Property Table Type Definition
ABQ_PHASE_TRANS_Diffusional_TTT_Diagram
Property Table Type Definition
ABQ_PHASE_TRANS_GrainSize_Coefficients
Property Table Type Definition
ABQ_PHASE_TRANS_Martensitic_KM_Coefficients
Property Table Type Definition
ABQ_PHASE_TRANS_Martensitic_ParentRetainedFrac
Property Table Type Definition
ABQ_PHASE_TRANS_Martensitic_TTT_Diagram
Property Table Type Definition
ABQ_PHASE_TRANS_SolidificationMap_Diagram