Abaqus User Subroutines Reference Manual - …

1 Abaqus user Subroutines Reference ManualAbaqus ID:Printed on: Abaqus Subroutines Reference ManualAbaqus user SubroutinesReference ManualAbaqus ID:Printed on:Legal NoticesCAUTION: This documentation is intended for qualified users who will exercise sound engineering judgment and expertise in the use of the AbaqusSoftware. The Abaqus Software is inherently complex, and the examples and procedures in this documentation are not intended to be exhaustive or to applyto any particular situation. Users are cautioned to satisfy themselves as to the accuracy and results of their Syst mes and its subsidiaries, including Dassault Syst mes Simulia Corp., shall not be responsible for the accuracy or usefulness of any analysisperformed using the Abaqus Software or the procedures, examples, or explanations in this documentation. Dassault Syst mes and its subsidiaries shall notbe responsible for the consequences of any errors or omissions that may appear in this Abaqus Software is available only under license from Dassault Syst mes or its subsidiary and may be used or reproduced only in accordance with theterms of such license.

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6 Regional contact information is listed in the front of each Abaqus manualand is accessible from theLocationspage at for SIMULIA productsSIMULIA provides a knowledge database of answers and solutions to questions that we have answered,as well as guidelines on how to use Abaqus , SIMULIA Scenario Definition, Isight, and other SIMULIA products. You can also submit new requests for support. All support incidents are tracked. If you contactus by means outside the system to discuss an existing support problem and you know the incident or supportrequest number, please mention it so that we can consult the database to see what the latest action has questions about Abaqus can also be answered by visiting theProductspage and theSupportpage at ftp siteTo facilitate data transfer with SIMULIA, an anonymous ftp account is available on the Login as user anonymous, and type your e-mail address as your password.

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8 user SubroutinesAbaqus/Standard subroutinesCREEP:Definetime-dependent,vi scoplasticbehavior(creepandswelling). :Definenonuniformdistributedfluxinaheatt ransferormassdiffusionanalysis. :Defineconductancebetweencontactsurfaces ornodesinafullycoupledtemperature-displa cementanalysis,coupledthermal-electrical -structuralanalysis, : Define electrical conductance between surfaces in a :Provideanorientationfordefininglocalmat erialdirectionsorlocaldirectionsforkinem aticcouplingconstraintsorlocalrigidbodyd irectionsforinertiarelief. :Definenonuniformvolumecurrentdensityina neddycurrentanalysis. :Definenonuniformsurfacecurrentdensityin aneddycurrentanalysis. ID:sub-tocPrinted on: Fri March 18 -- 8:45:11 2011 : Manage user -defined external databases and : :Defineamaterial :Defineamaterial :sub-tocPrinted on: Fri March 18 -- 8:45:11 2011 CONTENTSVUANISOHYPER_ :Definethemassflowrate/heatenergyflowrat eforfluidexchange.

9 Utility ,principalstress/strainvaluesanddirectio ns, ID:sub-tocPrinted on: Fri March 18 -- 8:45:11 2011 CONTENTSA. :sub-tocPrinted on: Fri March 18 -- 8:45:11 Manual describes all of the user Subroutines and utility routines available in Abaqus . The interfaceand requirements for each user subroutine are discussed in detail. References to practical examples of mostsubroutines are also provided. Utility routines can be used within user Subroutines to perform a variety ofcommon tasks. The interface for all available utility routines appears in a separate chapter. For informationon incorporating a user subroutine into an Abaqus analysis, see user Subroutines : overview, Section the Abaqus Analysis user s Manual is divided into three main sections: Abaqus /Standard Subroutines , Section covers all of the user Subroutines available for use in anAbaqus/Standard analysis.

10 Each section discusses aparticular subroutine. The sections are organizedalphabetically according to the subroutine name. Abaqus /Explicit Subroutines , Section covers all of the user Subroutines available for use in anAbaqus/Explicit analysis. Each section discussesa particular subroutine. The sections are organizedalphabetically according to the subroutine name. Utility routines, Section covers all of the utility routines available for use in coding user section discusses a task that can be performed using a utility routine. All of the utility routinesassociated with a particular task appear in the same 1 Abaqus ID:Printed on: user Subroutines Abaqus /Standard Subroutines , Section Abaqus /Explicit Subroutines , Section ID:Printed on: Abaqus /Standard Subroutines CREEP, Section DFLOW, Section DFLUX, Section DISP, Section DLOAD, Section FILM, Section FLOW, Section FRIC, Section FRIC_COEF, Section GAPCON, Section GAPELECTR, Section HARDINI, Section HETVAL, Section MPC, Section ORIENT, Section RSURFU, Section SDVINI, Section SIGINI, Section UAMP, Section UANISOHYPER_INV, Section UANISOHYPER_STRAIN, Section UCORR, Section UDECURRENT, Section UDEMPOTENTIAL, Section UDMGINI, Section UEL, Section UELMAT, Section UDSECURRENT, Section UEXPAN, Section UEXTERNALDB, Section UFIELD, Section UFLUID, Section 1 Abaqus ID:Printed on.