FEM software package Abaqus/Standard

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Overview
Abaqus/Standard is an implicit finite-element solver for static and structural dynamic simulations. It supports thermal stress, sealing and contact evaluations, steady-state rolling, fracture mechanics, heat-transfer and acoustic analyses, pore-pressure problems, battery cell electrochemical-thermal coupling, and other multiphysics scenarios.

Key capabilities

• Implicit finite-element solution for linear and nonlinear analyses
• Static and low-speed dynamic stress analysis (linear and nonlinear)
• Heat transfer and coupled thermal/structural simulations
• Acoustics and pore-pressure analysis
• Multiphysics procedures including thermal/structural, thermal/structural/electrical and battery simulations
• Linear-dynamics modal extraction with the AMS EigenSolver
• Extensive element and material-model libraries covering linear elasticity to rate-dependent plasticity and continuum damage
• Support for user subroutines to customize materials, elements, loads and boundary conditions
• Integration with Abaqus/CAE for pre- and post-processing
• Designed to interoperate with Abaqus/Explicit for combined implicit/explicit workflows

Analysis types (detailed)

• Nonlinear static and dynamic stress analysis
• Linear dynamics (modal extraction with AMS EigenSolver)
• Heat transfer and coupled thermal/structural analyses
• Acoustics
• Multiphysics procedures:
  • Thermal/structural
  • Thermal/structural/electrical
  • Battery electrochemical-thermal simulations

Element types (detailed)

• Linear and quadratic solid (continuum) elements for stress analysis
• Structural elements: shells, beams, trusses, membranes
• Elements for coupled simulations:
  • Thermal/structural elements
  • Thermal/structural/electrical elements
  • Piezoelectric elements
  • Pore-pressure elements
  • Thermal/electrochemical elements for battery cells
• Special elements for gaskets, spot welds and adhesive connections

Material models

• Linear elasticity and viscoelasticity
• Nonlinear viscoelasticity
• Isotropic and kinematic plasticity (including rate-dependent)
• Damage and fracture mechanics models
• Multiscale and mean-field homogenization

Customization and extensibility
Abaqus/Standard accepts user subroutines to define custom material behavior, elements, loads and boundary conditions, enabling tailored models and advanced solution procedures.

Solver coupling and workflow
Abaqus/Standard and Abaqus/Explicit are designed to interoperate: analyses can combine implicit and explicit solution segments within a single workflow to address portions of the problem best suited to each solver.

Integration with modeling environment
Abaqus/CAE provides integrated pre-processing (model setup, meshing) and post-processing (visualization, result interpretation) support for Abaqus/Standard, enabling a complete analysis workflow.

Technical specifications

• Product: Abaqus/Standard (implicit finite-element solver)
• Primary application areas: static and low-speed dynamic structural simulation, heat transfer, acoustics, multiphysics (thermal, electrical, electrochemical)
• Key solver feature: AMS EigenSolver for efficient modal extraction
• Element support: solids (linear/quadratic), shells, beams, trusses, membranes, piezoelectric, pore-pressure, thermal/electrochemical
• Material models: linear/nonlinear elasticity, viscoelasticity, plasticity, damage/fracture, multiscale homogenization
• Extensibility: user subroutines for custom materials/elements/loads/boundary conditions
• Pre/post-processing: integrated with Abaqus/CAE
• Solver interoperability: designed to couple with Abaqus/Explicit within workflows