Dyna Support History Variables

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History Variables for Certain Material Models — Welcome to ...

    https://www.dynasupport.com/howtos/material/history-variables
    73 rows · History Variables for Certain Material Models Below, a table of history variables of certain material models available in LS-DYNA is given. One must set NEIPH and/or NEIPS in *DATABASE_EXTENT_BINARY in order to write these history variables, excepting "eqp".

ALE history variables — Welcome to the LS-DYNA support site

    https://www.dynasupport.com/howtos/material/ale-history-variables
    In pre-970 versions of LS-DYNA, the 1st history variable in the umat subroutine won't be stored as history var#1 in the d3plot database. The storage location is dependent on a number of factors such as whether the subroutine is vectorized or nonvectorized, whethere the elements are shells or solids, etc.

Extra history variables — Welcome to the LS-DYNA support site

    https://www.dynasupport.com/howtos/general/extra-history-variables
    In pre-970 versions of LS-DYNA, the 1st history variable in the umat subroutine won't be stored as history var#1 in the d3plot database. The storage location is dependent on a number of factors such as whether the subroutine is vectorized or nonvectorized, whethere the elements are shells or solids, etc.

General — Welcome to the LS-DYNA support site

    https://www.dynasupport.com/howtos/general
    Environment variables Equation of state Extra history variables Force Analysis Forces of nodes Gravity Load How to read NASTRAN bulk data files. Joint stiffness Mass scaling Mass report in D3HSP file Part inertia Quasistatic simulation Preload general

Solid output — Welcome to the LS-DYNA support site

    https://www.dynasupport.com/howtos/element/solid-output
    The number of extra history variables written to dynain is 1+NSHV (NSHV defined in *INTERFACE_SPRINGBACK_LSDYNA) where the last history variable appears to be initial volume. STRFLG set to 1 will invoke output of the strain tensor.

LS-DYNA Database Binary Output Files

    http://ftp.lstc.com/anonymous/outgoing/trent001/manuals/ls-dyna_database.pdf
    LS-DYNA DATABASE 3 results of the analysis at sequential output intervals. The output at a given time, called a state, contains a time word, global variables such as total energies and momenta for the whole model and each material (part), node data consisting of displacements, velocities, accelerations, and

Winfrith Concrete Model – Extra History Variables ...

    http://ftp.lstc.com/anonymous/outgoing/support/FAQ_kw/concrete/Winfrith-ExtraVariables-24Dec10.pdf
    LS-DYNA also generates a text based crack information file named aea_crack . This text file is written with the frequency specified via the keyword *DATABASE_BINARY_D3CRACK. NOTE: if the graphical crack file is omitted, i.e. no q= on the execution line, then the frequency

Material — Welcome to the LS-DYNA support site

    https://www.dynasupport.com/howtos/material
    ALE history variables Anisotropic plasticity models Cohesive material models Concrete models Define composites Eulerian method; basics From engineering to true strain, true stress Material models for polymers Negative volume in soft materials Orthotropic materials

LS-DYNA Database Binary Output Files

    https://www.dynasupport.com/manuals/additional/ls-dyna-database-manual
    LS-DYNA DATABASE database and NDIM is reset to 3. If >5 then state data contains movement of rigid road surface. NUMNP 1 16 Number of nodal points ICODE 1 17 Flag to identify finite element code=2: old DYNA3D, code=6: NIKE3D, LS-DYNA/3D, LS-NIKE3D database NGLBV 1 18 Number of global variable to be read with each state NUMRW=number of rigid walls.

Welcome to the LS-DYNA support site

    https://www.dynasupport.com/
    Welcome to the LS-DYNA support site. At this site you will find answers to basic and advanced questions that might occur while using LS-DYNA. Furthermore it will provide information about new releases and ongoing developments. The content will be regularly updated with answers to frequent questions related to LS-DYNA.



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