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ABAQUS
Overview
ABAQUS is a commercial finite element software system. In this wiki it has six roles: it is used as a comparison reference in the dynamic buckling thesis, its theory manual documents finite element procedures and formulations, its analysis user guide documents the practical input-file and procedure workflow, its material guide documents production constitutive-model selection, its elements volume documents production discretization selection, and its interactions volume documents prescribed conditions, constraints, contact, and radiation interactions.
Role In The Source
The thesis compares the developed finite element program against ABAQUS for linear static shell benchmarks, geometric nonlinear response, and static buckling eigenvalue and mode-shape checks.
The Abaqus Theory Manual expands that context by describing ABAQUS/Standard, ABAQUS/Explicit, and related Abaqus tools as a theory-backed finite element system. It connects nonlinear solution procedures, element interpolation, integration rules, hybrid incompressible elements, constitutive integration, contact, and multiphysics procedures.
Abaqus-Analysis-User-s-Guide-Volume-I adds the operational layer: keyword syntax, node and element model definitions, surfaces and assemblies, matrix-based model components, command-line execution, environment settings, parallel execution, and output file interpretation.
Abaqus-Analysis-User-s-Guide-Volume-II adds the analysis strategy layer: general and perturbation steps, nonlinear controls, static and dynamic procedure families, restart and result transfer, substructuring, submodeling, adaptivity, Eulerian and particle methods, co-simulation, optimization, and user subroutines.
Abaqus-Analysis-User-s-Guide-Volume-III adds the materials layer: material data blocks, elastic and hyperelastic behavior, viscoelasticity, plasticity, damage, hydrodynamic equations of state, thermal and transport properties, porous media, and user-defined material behavior.
Abaqus-Analysis-User-s-Guide-Volume-IV adds the elements layer: continuum and structural element families, formulation suffixes, integration rules, beam and shell section definitions, inertial and rigid elements, connector behavior, cohesive and gasket elements, fluid/acoustic/Eulerian/particle elements, user-defined elements, and product-specific element indexes.
Abaqus-Analysis-User-s-Guide-Volume-V adds the boundary and interaction layer: amplitudes, initial and boundary conditions, loads, predefined fields, kinematic constraints, surface-based constraints, overconstraint checks, contact definitions, contact properties, contact enforcement methods, diagnostics, contact elements, and cavity radiation.
Key Links
- Abaqus Analysis Procedures - solver workflows and procedure families.
- Abaqus Element Library - element formulations and integration choices.
- Abaqus Element Selection and Formulation - element family, DOF, interpolation, formulation, and integration selection.
- Abaqus Continuum Element Families - solid, fluid continuum, infinite, warping, and coupled-field continuum elements.
- Abaqus Structural Element Families - membrane, truss, beam, frame, elbow, shell, continuum shell, and axisymmetric shell families.
- Abaqus Connector Elements and Behaviors - connector topology, connection types, actuation, and nonlinear behavior.
- Abaqus User-Defined Elements - UEL, UELMAT, VUEL, custom DOFs, state variables, and user-element limitations.
- Abaqus Prescribed Conditions and Amplitudes - prescribed-condition classes, amplitude curves, and time-history rules.
- Abaqus Kinematic Constraints and MPCs - linear equations, multi-point constraints, user MPCs, and kinematic couplings.
- Abaqus Contact Interaction Definition - general contact, contact pairs, and contact elements.
- Abaqus Contact Property Models - friction, pressure-overclosure, damping, cohesive, thermal, electrical, and pore-fluid contact properties.
- Abaqus Contact Formulations and Enforcement - contact discretization and enforcement choices.
- Abaqus Cavity Radiation Interactions - enclosure radiation, view factors, emissivity, and cavity decomposition.
- Abaqus Constitutive Integration - integration-point material updates and tangents.
- Abaqus Material Library and Data Definition - material blocks, behavior combinations, temperature/field dependencies, and density.
- Abaqus Metal Plasticity Models - metal plasticity, cyclic hardening, rate effects, creep, and high-rate models.
- Abaqus Progressive Damage and Failure - damage initiation, evolution, mesh regularization, and element deletion.
- Abaqus User-Defined Material Behavior - UMAT, VUMAT, UMATHT, state variables, and material Jacobians.
- Finite Element Contact Formulation - interface and surface interaction modeling.
- Abaqus Input File Syntax - keyword and data-line model definition.
- Abaqus Job Execution Workflow - command-line execution and analysis utilities.
- Abaqus Output Database and Results Files - output databases, selected results files, and diagnostics.
- Abaqus Nonlinear Solution Control - increments, iterations, residual convergence, stabilization, and cutbacks.
- Abaqus Restart and Results Transfer - restart, import, and staged analysis continuation.
- Abaqus Multiphysics Coupling and Co-simulation - sequential coupling and runtime solver coupling.