analysisparameters

acceload
DLOAD or TLOAD1 ID when config=309.
Type: integer
acceload_select
DLOAD or TLOAD1 ID when config=309.
Type: Boolean
aio
Additional output request when config=305.
Type: string
aio_num
Number of output requests when config=305.
Type: integer
alctrl
Arc-length control flag when config=303.
Type: Boolean
alphaaj1
The real part of the shift point when config=302.
Type: double
alphaaj2
The real part of the shift point when config=302.
Type: double
alphabj
The real part of the shift point when config=302.
Type: double
ampffact
Amplification factor when config=301 and real_eigen_type=EIGRA.
Type: double
analysisparam_c
Component number when config=302.
Type: integer
analysisparam_e
Convergence criterion when config=302.
Type: double
analysisparam_g
The grid or scalar point identification number when config=302.
Type: integer
baselin_method
Baseline correction method when config=309.
ACCE - acceleration method based on the polynomial curve fitting (default)
VELO - velocity method based on the minimization of velocity
Type: string
baselin_timeset
Set of time points for baseline when config=309.
Type: entity
baselin_type
Type when config=309.
BASELIN (default)
Type: string
b_freq_val
The value of B to be used for all frequencies when rc_rb_flag=1 and config=310.
Type: double
c_freq_val
The value of C to be used for all frequencies when rc_rb_flag=1 and config=310.
Type: double
color
The 1-64 color of the entity.
Type: integer
config
The configuration of the entity.
301 - Real eigenvalue extraction
302 - Complex eigenvalue extraction
303 - Nonlinear parameters
304 - Time step parameters
305 - Output parameters
306 - Runtime monitoring
307 - Control printing message
308 - Energy variable output
310 - Dynamic Load - Frequency Dependent
311 - Dynamic Load - Time Dependent
312 - Acoustic Source
313 - Dynamic Load Combination
314 - Unbalanced Load
315 - Rotordynamic Analysis Parameters
Type: unsigned integer
cont
Continuation flag when config=302.
Type: Boolean
cont_nlpci
NLPCI option flag when config=303.
Type: Boolean
contact_count
Holds count of contacts when config=308.
Type: unsigned integer
contact_ids
Identification number of a contact interface when config=308.
Type: integer
contact_options
Energy variables option for contact interfaces when config=308.
1 - All the contact interfaces
2 - Identification number of a contact interface
Type: integer
contact_select
Keyword indicating energy variables for selected contact interfaces when config=308.
Type: Boolean
contchg
Control of grid list printing with contact change when config=307.
1 - The grid list is not printed (default)
2 - All the grids are printed
3 - Only the first n grids are printed
Type: integer
contchg_n
Holds grid count value when config=307.
Type: integer
conv
Flags to select implicit convergence criteria when config=303.
Any combination of U, P and W (default = UPW)
Type: string
ctyp
Constraint type when config=303.
CRIS - Crisfield constraint equation (default)
MFSRIKS - Modified Forde & Stiemer equation
Type: string
desiter
Desired number of iterations when config=303.
Type: integer
d_freq_val
The value of D to be used for all frequencies when rc_rb_flag=1 and config=310.
Type: double
direct
Adaptive time increment scheme when config=304.
NO - The Adopt adaptive time increment scheme (default)
YES - Adopt fixed time increment
Type: string
direct_complex_eigen_type
Type when config=302.
EIGC (default)
Type: string
direct_select
Time increment flag when config=304.
Type: Boolean
disp
The output intervals of the *_nl.h3d file.
INC - Outputs displacement results for every increment.
ITER - Outputs displacement results for every iteration.
Type: string
disp_select
Toggle on (1) or off (0) state.
Type: Boolean
dispctrl
Flag to activate additional control parameters for the displacement control (DISPCTRL) when config=303.
Type: Boolean
displacement_factor_us0
The factor for initial displacements of the enforced degrees-of-freedom when config=311 (default 0.0).
Type: double
dof
The degree of freedom of the grid point specified via the GRID parameter on this entry. The displacement value is output in the global coordinate system.
Type: integer
dof_select
Toggle on (1) or off (0) state.
Type: Boolean
dphase
The phase θ in degrees used for all degrees of freedom that are excited by this dynamic load entry.
Type: double
dphase_ent
The ID of the load collector representing the DPHASE card that defines phase θ in degrees.
Type: entity
dphase_flag
Phase activation flag.
Type: Boolean
dt
Initial load increment when config=303.
Type: double
dta
Output time step for animation files when config=303. If zero, no output.
Type: double
dtmax
Maximum implicit time step from which time step is set constant when config=303.
Type: double
dtmax_select
Time increment flag when config=304.
Type: Boolean
dtmin
Minimum implicit time step when config=303.
Type: double
dtscd
Scale factor for decreasing the time step when config=303.
Type: double
dtsci
Maximum scale factor for increasing the time step when config=303.
Type: double
dtscq
Scale factor for inertia stiffness matrix used in quasi-static analysis when config=303.
Type: double (Real > 0)
dtth
Output time step for time history files when config=303. If zero, no output.
Type: double
dynamic_excitation_type
The type of the dynamic excitation.
Type: string
elemdist
Returns Control the printing of distorted elements when config=307.
1 - The element list is not printed (default)
2 - All the elements are printed
3 - Only the first n elements are printed
Type: integer
epsp
Error tolerance for load (P) criterion when config=303.
Type: double
epsu
Error tolerance for displacement (U) criterion when config=303.
Type: double
epsw
Error tolerance for work (W) criterion when config=303.
Type: double
eset_count
Holds energy variables count of element set when config=308.
Type: unsigned integer
eset_ids
Identification number of an element SET when config=308.
Type: integer
eset_select
Keyword indicating energy variables for selected element SETs when config=308.
Type: Boolean
exciteid
Identification number of the load set that defines A in the dynamic load equation of RLOAD1/RLOAD2, TLOAD1/TLOAD2 and ACSRCE.
Type: integer
exp_coeff
The exponential coefficient when config=311 (default 0.0).
Type: double
extra
Linear extrapolation options when config=304.
LINEAR - Activates linear extrapolation in the Newton-Raphson method
NO - Extrapolation is turned off (default)
Type: string
extra_select
Activates linear extrapolation flag when config=304.
Type: Boolean
fixtid
Identification number of a TABLEDi entry when
config=303.
Type: integer
fluid_bulk_modulus
The bulk modulus of fluid when config=312.
Type: double (Real > 0.0)
fluid_density
The fluid density when config=312.
Type: double (Real > 0.0)
freq
Output frequency in increments when config=308.
Type: integer
freq_val
The frequency in cycles per unit time when config=311 (default 0.0).
Type: double
freq_value_int
Frequency at which the intermediate results are output when config=305.
Type: integer
freq_value_real
Frequency at which the intermediate results are output when config=305.
Type: double
freqdependant_type
The type of load when config=310.
RLOAD1 (default)
RLOAD2
Type: string
fstress
Fraction of effective stress used to limit the subincrement size in the material routines when config=303.
Type: double
grid
The grid point identification number for which the displacement results are being monitored in the .monitor and _ld.monitor files.
Type: integer
grid_select
Toggle on (1) or off (0) state.
Type: Boolean
growth_coeff
The growth coefficient when config=311 (default 0.0).
Type: double
hg
Control for output of HyperGraph data files (*.nlm) when config=308.
0 - HyperGraph data output is not activated
1 - HyperGraph data output is activated for the global energy variables (default)
2 - HyperGraph data output is activated for the global energy variables and the per-object energy variables
Type: integer
hg_select
The list of property IDs associated with the designvar (pointer value is property ID) when config=308.
Type: Boolean
iblksz
Initial block size when config=302.
Type: integer
id
The ID of the entity.
Type: unsigned integer
ilin
Perform linear instead of nonlinear analysis when config=303.
LIN – Linear analysis without contact.
LINC – Linear analysis with contact.
Type: string
includeid
The ID of the include file the entity is organized in.
Type: unsigned integer
int
Determines the result monitoring intervals when config=306.
INC - Outputs and monitors the final result of every increment.
ITER - Outputs and monitors the result of every iteration of every increment.
Type: string
internalname
The internal name of the entity.
Type: string
intout
Intermediate output flag when config=303.
YES
NO (default)
ALL
Type: string
item
The result type being monitored when config=306.
DISP - Indicates that the displacement results are being output and monitored.
NO - Indicates that monitoring is not active.
Type: string
itw
If the solution of a time step converges within ITW iterations the next time step will be increased by a factor controlled by DTSCI when config=303.
Type: integer
kiner
ON
OFF (default)
Type: string
kmethod
Method for controlling stiffness updates when config=303.
AUTO
ITER
SEMI
Type: string
ksetps
Frequency of solve when config=302.
Type: integer
kstep
Number of iterations before stiffness update when config=303.
Type: integer (Integer > 0)
larc
Input arc-length for tsctrl = ARC, RIKS when config=303.
Type: double
ldtn
Maximum number of iterations before resetting and decreasing the time step by a factor of DTSCD when config=303.
Type: integer
lfctrl
Flag to activate additional control parameters for the load factor control (LFCTRL) when config=303.
Type: Boolean
lj
Number of roots when config=302.
Type: double
load_combination_type
The type of load when config=313.
DLOAD (default)
Type: string
load_set_list
The list of load step input (analysis parameters) IDs representing RLOAD1/RLOAD2, TLOAD1/TLOAD2, or ACSRCE cards when config=313.
Type: entity array
loadstepinput_type
The type of load when config=312.
ACSRCE (default)
Type: string
lsmeth
Line search method when config=303.
AUTO
ENERGY (default)
FORCE
NONE
Type: string
lstol
Line search tolerance when config=303.
Type: double
mass_magnitude
The magnitude of the unbalanced mass when config=314.
Type: double
mass_magnitude_ent
The ID of the curve defining the magnitude of the unbalanced mass when config=314.
Type: entity
mass_magnitude_flag
The mass magnitude activation flag when config=314.
Type: Boolean
mass_xy_offset
The distance by which the unbalanced mass is offset in the X-Y plane perpendicular to the Z direction (default 1.0). The offset value is considered constant. Valid for roffset_flag=False when config=314.
Type: double
mass_zoffset
The distance by which the unbalanced mass is offset in the Z direction (default 0.0). The offset value is considered constant. Valid for zoffset_flag=False when config=314.
Type: double
maxalr
Maximum arc-length ratio when config=303.
Type: double
maxbis
Maximum number of bisections allowed for each load increment when config=303.
Type: integer
maxdisp
Maximum displacement to terminate the analysis when config=303.
Type: double
maxdiv
Limit on probable divergence conditions per iteration before the solution is assumed to diverge when config=303.
Type: integer
maxdlf
Maximum of desired incremental load factor when config=303.
Type: double
maxinc
Maximum number of increments to terminate the analysis when config=303.
Type: integer
maxiter
Limit on number of implicit iterations for each load increment when config=303.
Type: integer
maxlf
The maximum (absolute) value of load factor (λ) to terminate the analysis when config=303.
Type: double
maxls
Maximum number of line searches allowed for each iteration when config=303.
Type: integer (Integer > 0)
maxqn
Maximum number of quasi-Newton correction vectors to be saved on the database when config=303.
Type: integer
maxr
Maximum ratio for the adjusted arc-length increment relative to the initial value when config=303.
Type: double
max_rotor_speed
The maximum rotor speed for synchronous analysis when config=315 (default 99999.0).
Type: double
maxset
The Number of vectors in block or set when config=301and real_eigen_type=EIGRL.
Type: integer
mblksz
Maximum block size when config=302.
Type: integer
method
Method of complex eigenvalue extraction when config=302.
INV
HESS
CLAN
DET
Type: string
method_select
Baseline correction method when config=309.
Type: Boolean
min_rotor_speed
The minimum rotor speed for synchronous analysis when config=315 (default 0.0).
Type: double
minalr
The Minimum arc-length ratio when config=303.
Type: double
msglvl
Diagnostic level when config=301 and real_eigen_type=EIGRA.
Type: integer
msglvl_eigrl
Diagnostic level when config=301 and real_eigen_type=EIGRL.
Type: integer
moduleid
The module ID of the entity.
Type: integer
name
The name of the entity.
Type: string
ncuts
Number of cutbacks allowed to reduce the time increment when config=304.
Type: integer (Integer > 0)
ncuts_select
Number of cutbacks allowed when config=304. Toggle on (1) or off (0) state.
Type: Boolean
ncycle
Maximum number of time steps when config=303. If reached, solution will be terminated.
NCYCLE = 0 means no limit.
Type: integer
nd
Number of roots desired when config=301.
Type: integer
nd0
Desired number of roots and eigenvectors to be extracted when config=302.
Type: integer
nd0_options
Eigenvector and roots extraction option when config=302.
1 - Blank
2 - User Defined
3 - Auto
Type: integer
ndj1
Desired number of roots and eigenvectors to be extracted when config=302.
Type: integer
nej
Estimated number of roots when config=302.
Type: integer
ninc
Number of implicit load sub-increments when config=303.
Type: integer
nint
Number of intervals specified to output intermediate results when config=305.
Type: integer
nladapt_dtmax
Maximum time increment allowed when config=304.
Type: double
nladapt_dtmin
Minimum time increment allowed when config=304.
Type: double
nladapt_dtmin_select
Minimum time increment flag when config=304.
Type: Boolean
nlenrg_type
Type when config=308.
NLENRG (default)
Type: string
nlmon_param_type
Type when config=306.
NLMON (default)
Type: string
nlout_param_type
Type when config=305.
NLOUT (default)
Type: string
nlparm_c
Degree of freedom of grid GID when config=303.
Type: integer
nlparm_g
Grid point identification number for which the MAXDISP is checked when config=303.
Type: integer
nlparm_options
NLPARM options when config=303.
1 - NONE
2 - NLPARMX
3 - NLPCI
Type: integer
nlprint_type
Type when config=307.
Type: string
nodeid_on_load
The ID of the node at which the unbalanced load is applied when config=314.
Type: entity
nonlinear_output
Nonlinear Incremental output when config=305.
1 - BLANK
2 - NINT
3 - FREQ
4 - TIME
Type: integer
nonlinear_type
Type when config=303.
NLPARM (default)
Type: string
nopcl
Number of grids allowed to have open-close contact status change when config=304.
Type: integer
nopcl_select
Number of grids allowed flag when config=304.
Type: Boolean
norm
Method used for eigenvector normalization config=301 and real_eigen_type=EIGRL or EIGRA.
MASS (default for normal modes analysis)
MAX
ALL
Type: string
norm_eigc
Indicates the option for normalizing eigenvectors when config=302.
MAX (default)
POINT
Type: string
nprint
Print every NPRINT iterations when config=303. If negative, print to .out and standard output; if positive, print only to .out file.
Type: integer
nstsl
Number of grids allowed to have stick-slip contact status change when the current time step converged when config=304.
Type: integer
nstsl_select
Number of grids allowed flag when config=304.
Type: Boolean
num_of_dload
The number of referenced load step inputs (analysis parameters) when config=313.
Type: unsigned integer
omegaaj1
Imaginary part of the shift point when config=302.
Type: double
omegaaj2
Imaginary part of the shift point when config=302.
Type: double
omegabj
Imaginary part of the shift point when config=302.
Type: double
option
Arc-length control (ALCTRL) option when config=303.
ON (default)
AUTO
Type: string
pgap_count
Holds count of PGAP properties when config=308.
Type: unsigned integer
pgap_ids
Identification number of a PGAP property when config=308.
Type: entity
pgap_options
Energy variables options for CGAP/CGAPG elements when config=308.
1 – All the PGAP properties.
2 – Identification number of a PGAP property.
Type: integer
pgap_select
Keyword indicating energy variables for selected CGAP/CGAPG elements when config=308.
Type: Boolean
phase_angle
The phase angle in degrees when config=311 (default 0.0).
Type: double
poolid
The pool number of the entity.
Type: integer
poolname
The pool name of the entity.
Type: string
rc_rb_flag
The RC/RB flag when config=310.
Type: Boolean
rd_rb_flag
The RD/RP flag when config=310.
Type: Boolean
real_eigen_type
Types when config=301.
EIGRL (default)
EIGRA
EIGRD
Type: string
revolutions_type
The units used to define min_rotor_speed, max_rotor_speed and rotor_speed_flag when config=315.
RPM - The entries are input in revolutions per minute
FREQ - The entries are input in revolutions per unit time
Type: string
rfile
Cycle frequency to write restart file for nonlinear iteration when config=303.
Type: integer
roffset_flag
The radial offset flag for unbalanced mass when config=314.
Type: Boolean
rotor_dynamic_analysis
The type of rotordynamic analysis when config=315.
SYNC - Synchronous Rotor dynamic analysis
ASYNC - Asynchronous Rotor dynamic analysis
Type: string
rotor_id
The ID of the set defining the rotor when config=315.
Type: entity
rotor_speed
Specifies whirl frequency for calculation of rotor damping and circulation terms for rotor structural hybrid damping specified through ROTHYBD card for asynchronous complex eigenvalue analysis. Valid when config=315 and rotor_speed_flag=False (default 0.0).
Type: double
rotor_speed_ent
The ID of a load collector with card image RSPEED that specifies a set of reference rotor speeds for asynchronous analysis. Valid for when rotor_speed_flag=1 and config=315.
Type: integer
rotor_speed_flag
The rotor speed flag when config=315.
Type: Boolean
rotor_speed_int
The reference rotor speed for asynchronous analysis. Also required for static analyses. Valid when rotor_speed_flag=1 and config=315.
Type: integer
rotordynamic_analysis_param_type
The type of load when config=315.
RGYRO (default)
Type: string
rrefif
Special residual force computation with contact interfaces present when config=303.
0 – Aggressive (modified entirely by the out-of-balance value)
1 – Average (modified each time with 200% maximum)
2 – Light (modified each time with 20% maximum)
3 – No modification
4 – No modification; except for the first contact
5 – Modified automatically (for imposed displacement only)
Type: integer
rtolb
Maximum value of incremental rotation (in degrees) allowed per iteration to activate bisection when config=303.
Type: double
scale
Scale parameter when config=303.
Type: double
scale_factor
The scale factor when config=313.
Type: double
scale_factor_list
The scale factors.
Type: double array
search_regions
Tabular values count when config=302.
Type: integer
set_time_id
Identification number of a SET entry when config=305.
Type: integer
shfscl
Valid when config=301 and real_eigen_type=EIGRL.
For vibration analysis: estimate of the frequency of the first flexible mode.
For buckling analysis: estimate of the first eigenvalue.
Type: double
smdisp
Perform small displacement and rotation analysis instead of geometric nonlinear analysis when config=303.
OFF – Geometric non-linear analysis (default)
ON – Small displacements and small rotations analysis
Type: string
solv
Geometric nonlinear implicit solution method when config=303.
NEWT (default)
BFGS
Type: string
solver_id
The solver ID of the entity.
Type: integer
solvername
The solver name of the entity for entities enabled for name pool, otherwise the internal name of the entity.
Type: string
sprbk
Perform spring back analysis when config=303. Equilibrium is reached when the internal forces are less or equal to the tolerances given on NLPARM.
OFF – Regular analysis (default)
ON – Spring back analysis.
Type: string
stabiliz
Scale factor value to control the stabilization energy limit when config=304.
Real (default = 1.0)
Type: double
stabiliz_select
Flag to limit the stabilization energy by applying a Scale Factor to the damping energy when config=304.
Type: Boolean
start_time_freq
The starting time/frequency at which the unbalanced load is applied (default 0.0).
Type: double
stop_time_freq
The stopping time/frequency at which the unbalanced load is applied (default 999999.0).
Type: double
superelement_id
The ID of the superelement in which the rotor specified in the REFROTR field is defined when config=315.
Type: integer
sv
State variable names selected for output when config=305.
Type: integer
svi_num
Number if state variable name when config=305.
Type: integer
svnoncnv_param_type
Output the non-convergent solution flag when config=305.
YES (default)
NO
Type: string
svnoncnv_select
Output the non-convergent solution flag when config=305.
Type: Boolean
ta0
Start time for writing animation files when config=303.
Type: double
tb_tableid
The ID of the curve representing the TABLEDi or TABLEG card defining B(f) when config=310.
Type: entity
tc_tableid
The ID of the curve representing the TABLEDi or TABLEG card defining C(f) when config=310.
Type: entity
td_tableid
The ID of the curve representing the TABLEDi or TABLEG card defining D(f) when config=310.
Type: entity
theta_freq_val
Value of φ to be used for all frequencies when rd_rp_flag=1 and config=310.
Type: double
theta_val
The angular position in degrees (default 0.0) of the unbalanced mass in the cylindrical coordinate system defined by vector_comp_x1, vector_comp_x2 and vector_comp_x3.
Type: double
tid_tableid
The ID of the curve representing the TABLEDi or TABLEG card defining F(t−τ) when config=311.
Type: entity
time_const_1
The time constant when config=311.
Type: double
time_const_2
The time constant when config=311.
Type: double
time_freq_xy_offset_ent
The ID of the TABLEDi that specifies the offset values as a function of frequency. Valid for roffset_flag=1 when config=314.
Type: integer
time_freq_z_offset_ent
The ID of the TABLEDi that specifies the offset values as a function of time/frequency. Valid for roffset_flag=1 when config=314.
Type: integer
timedelay
Time delay τ used for all degrees of freedom that are excited by this dynamic load entry when config=311.
Type: double
timedelay_ent
The ID of the load collector representing the DELAY card that defines τ when config=311 and timedelay_flag=1.
Type: entity
timedelay_flag
Time delay activation flag when config=311.
Type: Boolean
timedependant_type
The type of load when config=311.
TLOAD1 (default)
TLOAD2
Type: string
timeset_select
This field points to a SET of TYPE=TIME when config=309. Contains the time points to separate the total time period (not local subcase time period) into intervals.
Type: Boolean
timestep_param_type
Type when config=304.
NLADAPT (default)
Type: string
tout
The method to determine the fixed time point when config=303.
AUTO (default)
NLOAD
Type: string
toutbool
Tout flag when config=303.
Type: Boolean
tp_tableid
The ID of the curve entity representing the TABLEDi or TABLEDG card defining φ(f) in degrees (RLOAD2) or P(f) (ACSRCE) when config=311.
Type: entity
tsctrl
Time step control when config=303.
ARC
SIMP
RIKS
NONE
Type: string
tstime
Time switch for nonlinear subcases when config=311.
TOTAL (default)
SUB
Type: string
tterm
Termination time when config=303.
Type: double
type
Constraint function type when config=303.
CRIS (default)
RIKS
MRIKS
Type: string
unbalnc_type
The type of load when config=314.
UNBALNC (default)
Type: string
v1, v2
Frequency range of interest in cycles per unit time when config=301.
Type: double
value_real
Flag for the frequency real value definition when config=305.
Type: Boolean
vector_comp_x1
The first component of the vector defining a cylindrical coordinate system centered at the node defined in nodeid_on_load when config=314.
Type: double
vector_comp_x2
The second component of the vector defining a cylindrical coordinate system centered at the node defined in nodeid_on_load when config=314.
Type: double
vector_comp_x3
The third component of the vector defining a cylindrical coordinate system centered at the node defined in nodeid_on_load when config=314.
Type: double
velocities_factor_vs0
The factor for initial velocities of the enforced degrees-of-freedom when config=311 (default 0.0).
Type: double
whirl_freq
The whirl frequency for calculation of rotor damping and circulation terms for rotor structural hybrid damping specified through ROTHYBD card for asynchronous complex eigenvalue analysis when config=215 (default 0.0).
Type: double
whirl3_freq
The whirl frequency for calculation of rotor damping and circulation terms for rotor structural damping specified through GR field for asynchronous complex eigenvalue analysis when config=315 (default 0.0).
Type: double
whirl4_freq
The whirl frequency for calculation of rotor damping and circulation terms for rotor structural damping specified through material entries for asynchronous complex eigenvalue analysis when config=215 (default 0.0).
Type: double
wscal
Scale factor for controlling the loading contribution in the constraint equation when config=303.
Type: double (Real > 0.0)
zoffset_flag
The Z offset flag for unbalanced mass when config=314.
Type: Boolean

Version History

2021.1

2021.2 - Added new data names internalname and solvername.

2022 - Added data names for new config values 310, 311, 312, 313, 314, and 315.

2022.2 - Added new data names disp, disp_select, dof, dof_select, grid and grid_select.