Abaqus User Manual Pdf

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Type abaqus doc. The documentation opens in a web browser. Click the title of a book to display it. Expand the topic headings in the table of contents. To jump directly to a section whose title is displayed in the table of contents, click that title. ABAQUS/CAE User's Manual ABAQUS/CAE User's Manual. Download with Google Download with Facebook or download with email. Upon completion of a meshing operation, ABAQUS/CAE highlights any bad elements in the mesh. ABAQUS/CAE also provides a set of tools in the Mesh module that allow you to verify the quality of your mesh and to obtain information about the nodes and elements in the mesh. You can use these tools to isolate regions where the mesh quality is poor and to guide you if you need to refine your mesh. Abaqus User Manual.pdf - Free download Ebook, Handbook, Textbook, User Guide PDF files on the internet quickly and easily. The Wound Composite Modeler for Abaqus plug-in is a vertical application which is designed to facilitate the creation of an entire axisymmetric or three-dimensional finite element model of a composite overwrapped pressure vessel (COPV). The model created may consist of a single dome and thus a symmetry plane,. And tension(b) strength (Abaqus User Manual, 2008). As shown in Fig. 2, the unloaded response of concrete specimen seems to be weakened because the elastic stiff-ness of the material appears to be damaged or degraded. The degradation of the elastic stiffness on the strain sof-tening branch of the stress-strain curve is characterized.

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Keywords Reference Manual

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Reference Manual

Volume II:

Mechanical measurements 6th pdf. I–Z

Version 6.6

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Table of contents
  • ABAQUS Version 6.6 PDF Documentation
    • ABAQUS Keywords Reference Manual
      • 9. I
        • 9.1 * IMPEDANCE: Define impedances for acoustic analysis.
        • 9.2 * IMPEDANCE PROPERTY: Define the impedance parameters for an acoustic medium boundary.
        • 9.3 * IMPERFECTION: Introduce geometric imperfections for postbuckling analysis.
        • 9.4 * IMPORT: Import information from a previous ABAQUS/Explicit or ABAQUS/Standard analysis.
        • 9.5 * IMPORT CONTROLS: Specify tolerances used in importing model and results data.
        • 9.6 * IMPORT ELSET: Import element set definitions from a previous ABAQUS/Explicit or ABAQUS/Standard analysis.
        • 9.7 * IMPORT NSET: Import node set definitions from a previous ABAQUS/Explicit or ABAQUS/Standard analysis.
        • 9.8 * INCIDENT WAVE: Define incident wave loading for a blast or scattering load on a boundary.
        • 9.9 * INCIDENT WAVE FLUID PROPERTY: Define the fluid properties associated with an incident wave.
        • 9.10 * INCIDENT WAVE INTERACTION: Define incident wave loading for a blast or scattering load on a surface.
        • 9.11 * INCIDENT WAVE INTERACTION PROPERTY: Define the geometric data and fluid properties describing an incident wave.
        • 9.12 * INCIDENT WAVE PROPERTY: Define the geometric data describing an incident wave.
        • 9.13 * INCIDENT WAVE REFLECTION: Define the reflection load on a surface caused by incident wave fields.
        • 9.14 * INCLUDE: Reference an external file containing ABAQUS input data.
        • 9.15 * INCREMENTATION OUTPUT: Define output database requests for time incrementation data.
        • 9.16 * INELASTIC HEAT FRACTION: Define the fraction of the rate of inelastic dissipation that appears as a heat source.
        • 9.17 * INERTIA RELIEF: Apply inertia-based load balancing.
        • 9.18 * INITIAL CONDITIONS: Specify initial conditions for the model.
        • 9.19 * INSTANCE: Begin an instance definition.
        • 9.20 * INTEGRATED OUTPUT: Specify variables integrated over a surface to be written to the output database.
        • 9.21 * INTEGRATED OUTPUT SECTION: Define an integrated output section over a surface with a local coordinate system and a reference point.
        • 9.22 * INTERACTION OUTPUT: Specify spot weld interaction variables to be written to the output database.
        • 9.23 * INTERACTION PRINT: Define print requests for spot weld interaction variables.
        • 9.24 * INTERFACE: Define properties for contact elements.
        • 9.25 * ITS: Define properties for ITS elements.
      • 10. J
        • 10.1 * JOINT: Define properties for JOINTC elements.
        • 10.2 * JOINT ELASTICITY: Specify elastic properties for elastic-plastic joint elements.
        • 10.3 * JOINT PLASTICITY: Specify plastic properties for elastic-plastic joint elements.
        • 10.4 * JOINTED MATERIAL: Specify the jointed material model.
        • 10.5 * JOULE HEAT FRACTION: Define the fraction of electric energy released as heat.
      • 11. K
        • 11.1 * KAPPA: Specify the material parameters and for mass diffusion driven by gradients of temperature and equivalent pressure stress, resp
        • 11.2 * KINEMATIC: Define a kinematic coupling constraint.
        • 11.3 * KINEMATIC COUPLING: Constrain all or specific degrees of freedom of a set of nodes to the rigid body motion of a reference node.
      • 12. L
        • 12.1 * LATENT HEAT: Specify latent heats.
        • 12.2 * LOAD CASE: Begin a load case definition for multiple load case analysis.
      • 13. M
        • 13.1 * MAP SOLUTION: Map a solution from an old mesh to a new mesh.
        • 13.2 * MASS: Specify a point mass.
        • 13.3 * MASS DIFFUSION: Transient or steady-state uncoupled mass diffusion analysis.
        • 13.4 * MASS FLOW RATE: Specify fluid mass flow rate in a heat transfer analysis.
        • 13.5 * MATERIAL: Begin the definition of a material.
        • 13.6 * MATRIX: Read in the stiffness or mass matrix for a linear user element.
        • 13.7 * MATRIX ASSEMBLE: Define stiffness or mass matrices for a part of the model.
        • 13.8 * MATRIX INPUT: Read in a matrix for a part of the model.
        • 13.9 * MEMBRANE SECTION: Specify section properties for membrane elements.
        • 13.10 * MODAL DAMPING: Specify damping for modal dynamic analysis.
        • 13.11 * MODAL DYNAMIC: Dynamic time history analysis using modal superposition.
        • 13.12 * MODAL FILE: Write generalized coordinate (modal amplitude) data or eigendata to the results file during a mode-based dynamic or eige
        • 13.13 * MODAL OUTPUT: Write generalized coordinate (modal amplitude) data to the output database during a mode-based dynamic or complex eige
        • 13.14 * MODAL PRINT: Print generalized coordinate (modal amplitude) data during a mode-based dynamic procedure.
        • 13.15 * MODEL CHANGE: Remove or reactivate elements and contact pairs.
        • 13.16 * MOHR COULOMB: Specify the Mohr-Coulomb plasticity model.
        • 13.17 * MOHR COULOMB HARDENING: Specify hardening for the Mohr-Coulomb plasticity model.
        • 13.18 * MOISTURE SWELLING: Define moisture-driven swelling.
        • 13.19 * MOLECULAR WEIGHT: Define the molecular weight of an ideal gas species.
        • 13.20 * MONITOR: Define a degree of freedom to monitor.
        • 13.21 * MOTION: Specify motions as a predefined field.
        • 13.22 * MPC: Define multi-point constraints.
        • 13.23 * MULLINS EFFECT: Specify Mullins effect material parameters for elastomers.
        • 13.24 * M1: Define the first bending moment behavior of beams.
        • 13.25 * M2: Define the second bending moment behavior of beams.
      • 14. N
        • 14.1 * NCOPY: Create nodes by copying.
        • 14.2 * NFILL: Fill in nodes in a region.
        • 14.3 * NGEN: Generate incremental nodes.
        • 14.4 * NMAP: Map nodes from one coordinate system to another.
        • 14.7 * NODAL THICKNESS: Define shell or membrane thickness at nodes.
        • 14.8 * NODE: Specify nodal coordinates.
        • 14.9 * NODE FILE: Define results file requests for nodal data.
        • 14.10 * NODE OUTPUT: Define output database requests for nodal data.
        • 14.11 * NODE PRINT: Define print requests for nodal variables.
        • 14.12 * NODE RESPONSE: Define nodal responses for design sensitivity analysis.
        • 14.13 * NONSTRUCTURAL MASS: Specify mass contribution to the model from nonstructural features.
        • 14.14 * NORMAL: Specify a particular normal direction.
        • 14.15 * NSET: Assign nodes to a node set.
      • 15. O
        • 15.1 * ORIENTATION: Define a local axis system for material or element property definition, for kinematic coupling constraints, for free dir
        • 15.2 * ORNL: Specify constitutive model developed by Oak Ridge National Laboratory.
        • 15.3 * OUTPUT: Define output requests to the output database.
          • Using * OUTPUT in an ABAQUS/Standard analysis
          • Using * OUTPUT in an ABAQUS/Explicit analysis
      • 16. P, Q
        • 16.1 * PARAMETER: Define parameters for input parametrization.
        • 16.2 * PARAMETER DEPENDENCE: Define dependence table for tabularly dependent parameters.
        • 16.3 * PARAMETER SHAPE VARIATION: Define parametric shape variations.
        • 16.4 * PART: Begin a part definition.
        • 16.5 * PERIODIC: Define periodic symmetry for a cavity radiation heat transfer analysis.
        • 16.6 * PERMEABILITY: Define permeability for pore fluid flow.
        • 16.7 * PHYSICAL CONSTANTS: Specify physical constants.
        • 16.8 * PIEZOELECTRIC: Specify piezoelectric material properties.
        • 16.9 * PIPE-SOIL INTERACTION: Specify element properties for pipe-soil interaction elements.
        • 16.10 * PIPE-SOIL STIFFNESS: Define constitutive behavior for pipe-soil interaction elements.
        • 16.11 * PLANAR TEST DATA: Used to provide planar test (or pure shear) data (compression and/or tension).
          • Using planar test data to define a hyperelastic material
          • Using planar test data to define an elastomeric foam
          • Using planar test data to define the Mullins effect material model
        • 16.12 * PLASTIC: Specify a metal plasticity model.
        • 16.13 * PLASTIC AXIAL: Define plastic axial force for frame elements.
        • 16.14 * PLASTIC M1: Define the first plastic bending moment behavior for frame elements.
        • 16.15 * PLASTIC M2: Define the second plastic bending moment behavior for frame elements.
        • 16.16 * PLASTIC TORQUE: Define the plastic torsional moment behavior for frame elements.
        • 16.17 * POROUS BULK MODULI: Define bulk moduli for soils and rocks.
        • 16.18 * POROUS ELASTIC: Specify elastic material properties for porous materials.
        • 16.19 * POROUS FAILURE CRITERIA: Define porous material failure criteria for a * POROUS METAL PLASTICITY model.
        • 16.20 * POROUS METAL PLASTICITY: Specify a porous metal plasticity model.
        • 16.21 * POST OUTPUT: Postprocess for output from the restart file.
        • 16.22 * POTENTIAL: Define an anisotropic yield/creep model.
        • 16.23 * PREPRINT: Select printout for the analysis input file processor.
        • 16.24 * PRESSURE PENETRATION: Specify pressure penetration loads with surface-based contact.
        • 16.25 * PRESSURE STRESS: Specify equivalent pressure stress as a predefined field for a mass diffusion analysis.
        • 16.26 * PRESTRESS HOLD: Keep rebar prestress constant during initial equilibrium solution.
        • 16.27 * PRE-TENSION SECTION: Associate a pre-tension node with a pre-tension section.
        • 16.28 * PRINT: Request or suppress output to the message file in an ABAQUS/Standard analysis or to the status file in an ABAQUS/Explicit ana
        • 16.29 * PSD-DEFINITION: Define a cross-spectral density frequency function for random response loading.
      • 17. R
        • 17.1 * RADIATE: Specify radiation conditions in heat transfer analyses.
        • 17.2 * RADIATION FILE: Define results file requests for cavity radiation heat transfer.
        • 17.3 * RADIATION OUTPUT: Define output database requests for cavity radiation variables.
        • 17.4 * RADIATION PRINT: Define print requests for cavity radiation heat transfer.
        • 17.5 * RADIATION SYMMETRY: Define cavity symmetries for radiation heat transfer analysis.
        • 17.6 * RADIATION VIEWFACTOR: Control cavity radiation and viewfactor calculations.
        • 17.7 * RANDOM RESPONSE: Calculate response to random loading.
        • 17.8 * RATE DEPENDENT: Define a rate-dependent viscoplastic model.
        • 17.9 * RATIOS: Define anisotropic swelling.
        • 17.10 * REBAR: Define rebar as an element property.
        • 17.11 * REBAR LAYER: Define layers of reinforcement in membrane, shell, surface, and continuum elements.
        • 17.12 * REFLECTION: Define reflection symmetries for a cavity radiation heat transfer analysis.
        • 17.13 * RELEASE: Release rotational degrees of freedom at one or both ends of a beam element.
        • 17.14 * RESPONSE SPECTRUM: Calculate the response based on user-supplied response spectra.
        • 17.15 * RESTART: Save and reuse data and analysis results.
          • Using * RESTART in an ABAQUS/Standard analysis
          • Using * RESTART in an ABAQUS/Explicit analysis
        • 17.16 * RETAINED EIGENMODES: Select the modes to be retained in a substructure generation analysis.
        • 17.17 * RETAINED NODAL DOFS: Specify the degrees of freedom that are to be retained as external to a substructure.
        • 17.18 * RIGID BODY: Define a set of elements as a rigid body and define rigid element properties.
        • 17.19 * RIGID SURFACE: Define an analytical rigid surface.
        • 17.20 * ROTARY INERTIA: Define rigid body rotary inertia.
      • 18. S
        • 18.1 * SECTION CONTROLS: Specify section controls.
        • 18.2 * SECTION FILE: Define results file requests of accumulated quantities on user-defined surface sections.
        • 18.3 * SECTION ORIGIN: Define a meshed cross-section origin.
        • 18.4 * SECTION POINTS: Locate points in the beam section for which stress and strain output are required.
        • 18.5 * SECTION PRINT: Define print requests of accumulated quantities on user-defined surface sections.
        • 18.6 * SELECT CYCLIC SYMMETRY MODES: Specify the cyclic symmetry modes in an eigenvalue analysis of a cyclic symmetric structure.
        • 18.7 * SELECT EIGENMODES: Select the modes to be used in a modal dynamic analysis.
        • 18.8 * SFILM: Define film coefficients and associated sink temperatures over a surface for heat transfer analysis.
        • 18.9 * SFLOW: Define seepage coefficients and associated sink pore pressures normal to a surface.
        • 18.10 * SHEAR CENTER: Define the position of the shear center of a beam section.
        • 18.11 * SHEAR FAILURE: Specify a shear failure model and criterion.
        • 18.12 * SHEAR RETENTION: Define the reduction of the shear modulus associated with crack surfaces in a * CONCRETE model as a function of the
        • 18.13 * SHEAR TEST DATA: Used to provide shear test data.
          • Using shear test data to define a viscoelastic material
        • 18.14 * SHELL GENERAL SECTION: Define a general, arbitrary, elastic shell section.
        • 18.15 * SHELL SECTION: Specify a shell cross-section.
        • 18.16 * SHELL TO SOLID COUPLING: Define a surface-based coupling between a shell edge and a solid face.
        • 18.17 * SIMPEDANCE: Define impedances of acoustic surfaces.
        • 18.18 * SIMPLE SHEAR TEST DATA: Used to provide simple shear test data.
        • 18.19 * SLIDE LINE: Specify slide line surfaces on which deformable structures may interact.
        • 18.20 * SLOAD: Apply loads to a substructure.
        • 18.21 * SOILS: Effective stress analysis for fluid-filled porous media.
        • 18.22 * SOLID SECTION: Specify element properties for solid, infinite, acoustic, and truss elements.
        • 18.23 * SOLUBILITY: Specify solubility.
        • 18.24 * SOLUTION TECHNIQUE: Specify alternative solution methods.
        • 18.25 * SOLVER CONTROLS: Specify controls for the iterative linear solver.
        • 18.26 * SORPTION: Define absorption and exsorption behavior.
        • 18.27 * SPECIFIC HEAT: Define specific heat.
        • 18.28 * SPECTRUM: Define a response spectrum.
        • 18.29 * SPRING: Define spring behavior.
        • 18.30 * SRADIATE: Specify surface radiation conditions in heat transfer analysis.
        • 18.31 * STATIC: Static stress/displacement analysis.
        • 18.32 * STEADY STATE CRITERIA: Specify steady-state criteria for terminating a quasi-static uni-directional simulation.
        • 18.33 * STEADY STATE DETECTION: Specify steady-state requirements for terminating a quasi-static uni-directional simulation.
        • 18.34 * STEADY STATE DYNAMICS: Steady-state dynamic response based on harmonic excitation.
        • 18.35 * STEADY STATE TRANSPORT: Steady-state transport analysis.
        • 18.36 * STEP: Begin a step.
          • Beginning a step in an ABAQUS/Standard analysis
          • Beginning a step in an ABAQUS/Explicit analysis
        • 18.37 * SUBMODEL: Specify driven boundary nodes in submodeling analysis.
        • 18.38 * SUBSTRUCTURE COPY: Copy a substructure definition.
        • 18.39 * SUBSTRUCTURE DELETE: Remove a substructure from the substructure library.
        • 18.40 * SUBSTRUCTURE DIRECTORY: List information about the substructures on a substructure library.
        • 18.41 * SUBSTRUCTURE GENERATE: Substructure generation analysis.
        • 18.42 * SUBSTRUCTURE LOAD CASE: Begin the definition of a substructure load case.
        • 18.43 * SUBSTRUCTURE MATRIX OUTPUT: Write a substructure's recovery matrix, reduced stiffness matrix, mass matrix, load case vectors, and gr
        • 18.44 * SUBSTRUCTURE PATH: Enter into a substructure to obtain output or return back from a previously entered substructure.
        • 18.45 * SUBSTRUCTURE PROPERTY: Translate, rotate, and/or reflect substructures.
        • 18.46 * SURFACE: Define a surface or region in a model.
        • 18.47 * SURFACE BEHAVIOR: Define alternative pressure-overclosure relationships for contact.
        • 18.48 * SURFACE FLAW: Define geometry of surface flaws.
        • 18.49 * SURFACE INTERACTION: Define surface interaction properties.
        • 18.50 * SURFACE PROPERTY: Define surface properties for cavity radiation.
        • 18.51 * SURFACE PROPERTY ASSIGNMENT: Assign surface properties to a surface for the general contact algorithm.
        • 18.52 * SURFACE SECTION: Specify section properties for surface elements.
        • 18.53 * SWELLING: Specify time-dependent volumetric swelling.
        • 18.54 * SYMMETRIC MODEL GENERATION: Create a three-dimensional model from an axisymmetric or partial three-dimensional model.
        • 18.55 * SYMMETRIC RESULTS TRANSFER: Import results from an axisymmetric or partial three-dimensional analysis.
        • 18.56 * SYSTEM: Specify a local coordinate system in which to define nodes.
      • 19. T
        • 19.1 * TEMPERATURE: Specify temperature as a predefined field.
        • 19.2 * TENSILE FAILURE: Specify a tensile failure model and criterion.
        • 19.3 * TENSION STIFFENING: Define the retained tensile stress normal to a crack in a * CONCRETE model.
        • 19.4 * THERMAL EXPANSION: Define the thermal expansion behavior of beams.
        • 19.5 * TIE: Define surface-based tie and cyclic symmetry constraints or coupled acoustic-structural interactions.
        • 19.6 * TIME POINTS: Specify time points at which data are written to the output database or restart files, or specify time points in the loa
        • 19.7 * TORQUE: Define the torsional behavior of beams.
        • 19.8 * TORQUE PRINT: Print a summary of the total torque that can be transmitted across axisymmetric slide lines.
        • 19.9 * TRACER PARTICLE: Define tracer particles for tracking the location of and results at material points during a step.
        • 19.10 * TRANSFORM: Specify a local coordinate system at nodes.
        • 19.11 * TRANSPORT VELOCITY: Specify angular transport velocity.
        • 19.12 * TRANSVERSE SHEAR STIFFNESS: Define transverse shear stiffness for beams and shells.
        • 19.13 * TRIAXIAL TEST DATA: Provide triaxial test data.
        • 19.14 * TRS: Used to define temperature-time shift for time history viscoelastic analysis.
      • 20. U
        • 20.1 * UEL PROPERTY: Define property values to be used with a user element type.
        • 20.2 * UNDEX CHARGE PROPERTY: Define an UNDEX charge for incident waves.
        • 20.3 * UNIAXIAL TEST DATA: Used to provide uniaxial test data (compression and/or tension).
          • Using uniaxial test data to define a hyperelastic material
          • Using uniaxial test data to define an elastomeric foam
          • Using uniaxial test data to define the Mullins effect material model
        • 20.5 * USER ELEMENT: Introduce a user-defined element type.
          • Introducing a linear user-defined element
          • Introducing a general user-defined element
        • 20.6 * USER MATERIAL: Define material constants for use in subroutine UMAT, UMATHT, or VUMAT .
        • 20.7 * USER OUTPUT VARIABLES: Specify number of user variables.
      • 21. V
        • 21.1 * VARIABLE MASS SCALING: Specify mass scaling during the step.
        • 21.2 * VIEWFACTOR OUTPUT: Write radiation viewfactors to the results file in cavity radiation heat transfer analysis.
        • 21.3 * VISCO: Transient, static, stress/displacement analysis with time-dependent material response (creep, swelling, and viscoelasticity).
        • 21.4 * VISCOELASTIC: Specify dissipative behavior for use with elasticity.
        • 21.5 * VISCOUS: Specify viscous material properties for the two-layer viscoplastic model.
        • 21.6 * VOID NUCLEATION: Define the nucleation of voids in a porous material.
        • 21.7 * VOLUMETRIC TEST DATA: Provide volumetric test data.
          • Hyperelastic material model
          • Hyperfoam material model
          • Viscoelastic material model
      • 22. W, X, Y, Z
        • 22.1 * WAVE: Define gravity waves for use in immersed structure calculations.
        • 22.2 * WIND: Define wind velocity profile for wind loading.

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