LINEAR OLD for linear analysis with old stiffness matrix
    MONOTONI for monotonic
    NLGEOM for geometric nonlinearity
    ROTTOL tol for maximum increment of rotation
    SUBMAX for suppress subdivisions
    ABDLOAD for face loads
    ABCLOAD for nodal loads
  ANSYOPTS: ANSYS analysis option.                                              T
    KAN -1  for Heat Transfer
    KAN  0  for Static Analysis
    KAN  1  for Buckling Analysis
    KAN  2  for Modal Analysis
    KAN  3  for Full Harmonic Response
    KAN  4  Nonlinear Transient Analysis
    KAN  5  for Linear Transient Dynamic Analysis 
    KAN  6  for Reduced Harmonic Response
    NOTE : The ansys KAY commands and options are also built
     into this command, as well as global accelerations, velocities
     and coordinates
  COMMENT: save a comment to be passed to the output file.
   The remainder of the text line is interpreted as a comment to be saved.
   Up to 100 comments can be saved.
    NO for the beginning of the output file
    MT for a material
    NP for the nodes
    HE for the hexahedron elements
    BE for the beam elements
    SE for the shell elements
    TS for the thick shell elements
    SP for a slide planes
    NH for the node history
    HH for the hexahedron element history
    BH for the beam element history
    SH for the shell element history
    TH for the thick shell element history
    BR for the brode
    LC for a load curve
    NL for the nodal loads
    PR for the pressure
    VE for the velocity
    SW for a stone wall
    NC for the nodal constraints
    IN for the initial conditions
    SI for a sliding interface
    TI for the tied nodes with failure
    EX for extra nodes w/ rigid body
    JT for a joint
    XA for the x-acceleration
    YA for the y-acceleration
    ZA for the z-acceleration
    XV for the x-velocity
    YV for the y-velocity
    ZV for the z-velocity
    DT for a detonator
    SD for the springs and dampers
    NR for the non-reflecting boundaries
    MD for momentum deposition in solid elements
    1D for 1D slide lines
  DYNAOPTS: DYNA3D analysis options.                                            T
    IIF for time interval between writes of the interface segment save file
    STSM for minimum time step size for thin shell element using the materials
     kinematic/isotropic elastic-plastic,
     strain rate dependent elastic-plastic, or
     rate dependent tabular isotropic elastic-plastic
    STAT for number of steps between problem status reports (default 1000)
    RFPF to set the reaction force print flag
    DEFPF to set the discrete (lumped parameter) element forces print flag
    EDSDF to set the element delete/SAND database flag
    GVST to initialize gravity stress
    TICSF for time interval between output cross section forces
    XVEL for angular velocity about the x-axis
    YVEL for angular velocity about the y-axis
    ZVEL for angular velocity about the z-axis
    TERM for termination time
    PRTI for time interval between writes of time history node and element
     print block plot data
    PLTI for time interval between writes of state plot database for all
     nodes and elements and, optionally, the interface force database
     containing pressures and shear tractions for all sliding interfaces
    NREST for number of time steps between writes of the saved restart files
    NRUNR for number of time steps between writes of the continuously
     overwritten running restart file
    ITSS for initial time step size
    PNLT for global scale factor for sliding interface penalty stiffness
     controlling interpenetration and stability (default 0.1)
    TEO for thermal effects option
    TSSF for time step scale factor (default is 0.67 for high explosives,
     0.90 otherwise)
    LCMAX for load curve number that limits maximum time step size (optional)
    SSDM for write shell strain tensors at inner and outer surface
    SNRS for Hughes-Liu shell normal update option
    STUP for shell thickness change due to membrane straining
    SFOR for default shell element formulation which can be Hughes-Liu,
     Belytschko-Tsay, BCIZ, C0, membrane, and YASE
    TSMIN for reduction factor for initial time step size to determine minimum
     time step size.  When this minimum time step is reached, DYNA3D terminates
     with a restart dump.
    ITRX for number of iterations between convergence checks for dynamic
     relaxation in quasistatic problems (default 250)
    TOLRX for convergence tolerance for dynamic relaxation option
     (default 0.0001)
    FACRX for dynamic relaxation static analysis velocity reduction
     factor (default 0.995)
    SCFTRX for scale factor for computed time step during dynamic relaxation
    STSS for alternative methods for approximating the maximum stable time
     step size for 4-node shell elements
    PLAS for plane stress constitutive integration algorithms for elastoplastic
     shell material models
    PRTFLG for print element time step sizes on the first cycle
    DRDB for write the TAURUS database at every convergence check during
     dynamic relaxation
    RAYL for global generalized Rayleigh damping mass proportional coefficient
    IHQ for select an hourglass stabilization method Standard DYNA3D (viscous
     form), Flanagan-Belytschko (viscous form), Flanagan-Belytschko With Exact
     Volume Integration (viscous form), Stiffness With Flanagan-Belytschko, and
     Stiffness With Flanagan-Belytschko With Exact Volume
    QH for hourglass stabilization coefficient
    Q1 for quadratic bulk viscosity coefficient for added stability and
     resolution with shock waves
    Q2 for linear bulk viscosity coefficient for added stability and
     resolution with shock waves
  ES3DOPTS: ElectroStatic TOPAZ3D analysis options.                             T
  LSDYOPTS: LSDYNA analysis and database options.
    NOSU objective stress update flag
    INN to specify invariant node numbering for shell elements
    FACTIN to specify the initial relaxation factor for contact force
    DFACTR to specify the incremental increase of FACTIN
    ADPFREQ to specify time interval between automatic remeshing refinements
    ADPTOL adaptive error tolerance
    ADPOPT to set adaptive refinement criterion
    MAXLVL maximum refinement levels
    TBIRTH time at which the adaptive remeshing begins
    TDEATH time at which the adaptive remeshing ends
    LCADP to specify a load curve for the adaptive interval
    GSAM to generate and save adaptive mesh at exit
    MNELSZ for minimum element size based on edge length
    NPSS for the number of passes
    DCT to set the default continuum treatment to Lagrangian, Eulerian, ALE,
     or Eulerian Ambient
    NADV number of cycles between advections
    METH advection method (donor cell, Van Leer + half index shift, Van Leer)
    AFAC smoothing weight
    BFAC smoothing weight factor - volume weighting
    CFAC smoothing weight factor - isoparametric
    DFAC smoothing weight factor - equipotential
    TBEG start time for smoothing
    TEND end time for smoothing
    AAFAC ALE advection factor
    Q2 default quadratic viscosity coefficient
    Q1 default linear viscosity coefficient
    SLSFAC scale factor for sliding interface penalties
    RWPNAL scale factor for rigid wall penalties for treating rigid bodies
     interacting with fix rigid walls
    ISLCHK enable and disable initial penetration check in contact surfaces
    SHLTHK set options for considering shell thickness in surface-to-surface
     and node-to-surface contact
    PENOPT set penalty stiffness value options
    THKCHG set option to consider shell thickness in single-surface contact
    ORIEN enable (disable) automatic reorientation of contact interface segments
     during initialization
    DKEEP sets the keep mass option
    USRSTR storage per contact interface for user supplied interface control
     subroutine
    USRFRC storage per contact interface for user supplied interface friction
     subroutine
    NSBCS number of time steps between contact searching using 3D bucket
     searches in single-surface and the new surface-to-surface contact
    INTERM flag for intermittent searching in old surface-to-surface contact
     using the interval specified as NSBCS above
    XPENE Contact surface maximum penetration check multiplier
    TFST to skip using actual shell thickness in single surface contact
     types 4, 13, and 15
    ITFTSS to override time step size for eroding contact
    ITFPSN to bypass projection of slave nodes to master surface in
     tied interfaces type 2, 6, and 7
    DSFRIC sets default static coefficient of friction
    DDFRIC sets default dynamic coefficient of friction
    DEDC sets default exponential decay coefficient
    DVFC sets default viscous friction coefficient
    DTH sets default contact thickness
    DTHSF sets thickness scale factor
    DPENSF sets default local penalty scale factor
    UNLENG unit conversion factor for length. MADYMO3D/GM-CAL3D lengths are
     multiplied by UNLENG to obtain LSDYNA lengths
    UNTIME unit conversion factor for time. MADYMO3D/GM-CAL3D time is
     multiplied by UNTIME to obtain LSDYNA time.
    UNFORC unit conversion factor for force. MADYMO3D/GM-CAL3D force is
     multiplied by UNFORC to obtain LSDYNA force.
    TIMIDL idle time during which CAL3D or MADYMO is computing and LSDYNA
     remains inactive.
    FLIPX flag for flipping X-coordinate of CAL3D/MADYMO3D relative to LSDYNA
     model
    FLIPY flag for flipping Y-coordinate of CAL3D/MADYMO3D relative to LSDYNA
     model 
    FLIPZ flag for flipping Z-coordinate of CAL3D/MADYMO3D relative to LSDYNA
     model 
    SYBCYL CAL3D/MADYMO3D subcycling interval (in cycles)
    MRPC for material repositioning flag for MADYMO/M-CAL3D coupling
    ICSC for implicit coupling for springback calculations
    USACO for the USA coupling option
    NSMCOL for the Number of ships in MCOL coupling
    CPUTIM limit (in seconds) of CPU time 
    NRCYCK iterations between convergence checks for dynamic relaxation
    DRTOL convergence tolerance for dynamic relaxation option
    DRFCTR dynamic relaxation factor
    DRTERM optional termination time for dynamic relaxation
    TSSFDR scale factor for computed time step during dynamic relaxation
    IRELAL automatic control for dynamic relaxation option based on algorithm
     Papadrakakis
    EDTTL convergence tolerance on automatic control of dynamic relaxation
    IDRFLG dynamic relaxation flag for stress initialization (inactive,
     dynamic relaxation is active, initialization to a prescribed geometry).
    HGEN set option for calculating hourglass energy
    RWEN set option for calculating stonewall energy dissipation
    SLNTEN set option for calculating sliding interface energy dissipation
    RYLEN set option for calculating Rayleigh energy dissipation
    EXPSH flag to compute detonation time in materials with no line of sight 
    IHQ specifies hourglass viscosity type
    QH default hourglass coefficient
    IAUTF to set the automatic time step control flag
    ITEROPT to specify the optimum equilibrium iteration count per time step
    ITERWIN to specify the allowable iteration window
    DTMINI to specify the minimum allowable time step size
    DTMAXI to specify the maximum allowable time step size
    INAL to specify the implicit analysis type
    NEWGAM to specify the time integration constant, gamma
    NEWBET to specify the Newmark time integration constant, beta
    IMFLG set the implicit/explicit switching flag
    DT0 set the initial time step size for implicit analysis
    IMFORM set the element formulation switching flag
    NSBS set the number of steps in nonlinear springback
    IGS set the geometric stiffness flag
    LSOLVR define the linear equation solver method
    LPRINT set the linear solver print flag
    NEGEV set the negative eigenvalue flag
    NSOLVR define the nonlinear solution method for implicit analysis
    ILIMIT set the iteration limit between automatic stiffness reformations
    MAXREF stiffness reformation limit per time step
    DCTOLN displacement convergence tolerance
    ECTOLN energy convergence tolerance
    LSTOLN line search convergence tolerance
    DNORM set the displacement norm for convergence test
    DIVERG set the divergence flag (force imbalance increase during equilibrium iter's)
    ISTIF set the initial stiffness formation flag
    NLPRT set the nonlinear solver print flag
    ARCCTL arc length controlling node ID
    ARCDIR set the arc length controlling node direction
    ARCLEN arc length size
    ARCMTH set the arc length method
    ARCDMP set the arc length damping option
    IAS set the artificial stabilization flag
    ASCALE scale factor for artificial stabilization
    STRTTIM implicit stabilization start time
    ENDTIM implicit stabilization end time
    NPOPT set option for print suppression during input phase
    NEECHO set option for print suppression during input phase for echo file
    NREFUP set option to update reference node coordinates for beam elements
    IACCOP set option to average accelerations from velocities in file
     "nodout" and time history file "d3thdt"
    OFIFS time interval for interface file
    IPNINT set option to print initial time step sizes for all elements on the
     first cycle
    IKEDIT problem status report interval steps
    NCPU number of CPU's used
    NUMRHS number of right-hand-sides written
    IPLLACC for the parallel solution accuracy flag
    WRPANG limit (in degrees) for shell warpage
    ITRIST option to set automatic sorting of triangular shell elements to
     treat degenerate quadrilateral shell elements at C0 triangular shells
    IRNXX sets the Hughes-Liu shell normal update option
    ISTUPD sets option to allow membrane straining to cause thickness change
     in shells
    THEORY sets the shell theory option (Hughes-Liu, Belytschko-Tsay, etc.)
    BWC sets warping stiffness option for Belytschko-Tsay shells
    MITER sets plane stress plasticity option (materials 3, 18, 19, 24 only)
    ANPRC to specify the thermal solver type
    STRUCT write out an LSDYNA structured input deck
    SUBCYL activate time step subcycling
    ENDTIM termination time
    ENDCYC termination cycle
    MXMRTS for the maximum number of matrix reformations per step
    CTOLT for the convergence tolerance for temperature
    DIVCP for the divergence control parameter
    ATYPE for the thermal analysis type
    PTYPE for the thermal problem type