Unless otherwise specified, data names are accessible in level 3 only.
- a
- The material parameter a in S-N fatigue equation.
- Type: double array
- aa
- The coefficiens to define the acceleration spectrum.
- Type: double
- ab
- The coefficient to define the acceleration spectrum.
- Type: double
- absorb
- The absorption coefficient.
- Type: double
- ac
- The coefficient to define the acceleration spectrum.
- Type: double
- activesuppressed
- Returns non-zero if the entity is set inactive, 0 otherwise.
- Type: integer
- ad
- The coefficient to define the acceleration spectrum.
- Type: double
- af
- The coefficient to define the acceleration spectrum.
- Type: double
- amin
- The minimum acceleration.
- Type: double
- angle
- The connection angle of the plate.
- Type: double array
- attributesmax
- The number of attributes owned by this entity.
- Type: unsigned integer
- b
- The material parameter b in S-N fatigue equation.
- Type: double array
- beam_area
- The beam area.
- Type: double
- beam_dampb
- The damping factor for a bending wave.
- Type: double
- beam_dampl
- The damping factor for a longitudinal wave.
- Type: double
- beam_damps
- The damping factor for a shear wave.
- Type: double
- beam_dampt
- The damping factor for a torsional wave.
- Type: double
- beam_lc1
- The load curve for damping factor for a bending wave.
- Type: entity
- beam_lc2
- The load curve for damping factor for a longitudinal wave.
- Type: entity
- beam_lc3
- The load curve for damping factor for a shear wave.
- Type: entity
- beam_lc4
- The load curve for damping factor for a torsional wave.
- Type: entity
- beam_length
- The beam length.
- Type: double
- beamsetid
- The ID of the beam set.
- Type: entity array
- bemoptions
- The BEM options.
- 0 - NONE
- 1 - HALF_SPACE
- 2 - PANEL_CONTRIBUTION
- 3 - ATV
- 4 - MATV
- Type: integer
- bemtyp
- The type of input boundary values in BEM analysis.
- 0 - Boundary velocity will be processed in BEM analysis
- 1 - Boundary acceleration will be processed in BEM analysis
- 2 - Pressure is prescribed and the real and imaginary parts are given by LC1 and LC2
- 3 - Normal velocity is prescribed and the real and imaginary parts are given by LC1 and LC2
- 4 - Impedance is prescribed and the real and imaginary parts are given by LC1 and LC2
- Type: integer array
- bemtyp_curve
- The type of input boundary values in BEM analysis.
- Type: entity array
- bemtyp_option
- The flag specifying BEMTYP options.
- Type: Boolean array
- bwave
- The bending wave.
- Type: double
- c
- The speed of sound of the fluid.
- Type: double
- c_freq
- The speed of sound of the fluid.
- Type: entity
- c_negflag
- The flag specifying C options.
- Type: Boolean
- cavity_area
- The cavity area.
- Type: double
- cavity_dampb
- The damping factor for a bending wave.
- Type: double
- cavity_height
- The height of the cavity.
- Type: double
- cavity_lc1
- The load curve for damping factor for a bending wave.
- Type: entity
- cavity_length
- The length of the cavity.
- Type: double
- cavity_perim
- The length of the cavity.
- Type: double
- cavity_volume
- The volume of the cavity.
- Type: double
- cavity_width
- The width of the cavity.
- Type: double
- center
- The flag for defining the center point for the sphere.
- 1 - Mass center of the original structure
- 2 - Geometry center of the original structure
- 3 - Defined by (x, y, z)
- Type: integer
- center_point_plate
- The coordinates of the center for plate.
- Type: triple double
- center_point_sphere
- The coordinates of the center for sphere.
- Type: triple double
- cid
- The ID of the vector defining the load direction for nodal force or base excitation.
- Type: entity array
- color
- The 1-64 color of the entity.
- Type: integer
- color_rgb
- The RGB color of the entity.
- Type: string
- config
- 101 - LS-DYNA FREQUENCY_DOMAIN_ACCELERATION_UNIT
- 102 - LS-DYNA FREQUENCY_DOMAIN_ACOUSTIC_BEM
- 103 - LS-DYNA FREQUENCY_DOMAIN_ACOUSTIC_FEM
- 104 - LS-DYNA FREQUENCY_DOMAIN_ACOUSTIC_FRINGE_PLOT
- 105 - LS-DYNA FREQUENCY_DOMAIN_ACOUSTIC_INCIDENT_WAVE
- 106 - LS-DYNA FREQUENCY_DOMAIN_ACOUSTIC_SOUND_SPEED
- 107 - LS-DYNA FREQUENCY_DOMAIN_FRF
- 108 - LS-DYNA FREQUENCY_DOMAIN_MODE
- 109 - LS-DYNA FREQUENCY_DOMAIN_PATH
- 110 - LS-DYNA FREQUENCY_DOMAIN_RANDOM_VIBRATION
- 111 - LS-DYNA FREQUENCY_DOMAIN_RESPONSE_SPECTRUM
- 112 - LS-DYNA FREQUENCY_DOMAIN_SSD
- 113 - LS-DYNA FREQUENCY_DOMAIN_LOCAL
- 114 - LS-DYNA FREQUENCY_DOMAIN_SEA_CONNECTION
- 115 - LS-DYNA FREQUENCY_DOMAIN_SEA_INPUT
- 116 - LS-DYNA FREQUENCY_DOMAIN_SEA_SUBSYSTEM
- Type: unsigned integer
- ctype
- The type of connection.
- 1: Plate-plate
- 2: Plate-cavity
- 3: Plate-cavity-cavity
- 4: Plate-beam
- Type: integer
- dampf
- The modal damping coefficient.
- Type: double
- dba
- The flag for writing out weighted SPL files with different weighting options.
- 0 - No writing out weighted SPL files
- 1 - Write out Press_dB(A) by using A-weighting
- 2 - Write out Press_dB(B) by using B-weighting
- 3 - Write out Press_dB(C) by using C-weighting
- 4 - Write out Press_dB(D) by using D-weighting
- Type: integer
- ddam
- The DDAM option.
- 0: NONE
- 1 - Write out Press_dB(A) by using A-weighting
- 2 - Write out Press_dB(B) by using B-weighting
- 3 - Write out Press_dB(C) by using C-weighting
- 4 - Write out Press_dB(D) by using D-weighting
- Type: integer
- decay
- The decay ratio at the end of the capture duration.
- Type: double
- density
- The sphere mesh density parameter.
- Type: integer
- dmpflg
- The damping flag.
- 0: Use modal damping coefficient, defined by DAMPF, or LCDAM, or Rayleigh damping defined by DMPMAS and DMPSTF.
- 1: Use damping defined by *DAMPING_PART_MASS and *DAMPING_PART_STIFFNESS
- Type: integer
- dmpmas
- The mass proportional damping constant Alpha in Rayleigh damping.
- Type: double
- dmpstf
- The stiffness proportional damping constant Beta in Rayleigh damping.
- Type: double
- dmptyp
- The type of damping.
- 0 - Modal damping
- 1 - Broadband damping
- Type: integer
- dof
- The applicable degrees-of-freedom.
- 0 - Determined by steady state dynamics
- 1 - X-translational degree-of-freedom
- 2 - Y-translational degree-of-freedom
- 3 - Z-translational degree-of-freedom
- 4 - Translational motion in direction given by VID
- 5 - Normal direction of the element or segment
- Type: integer
- dof1
- The applicable degrees-of-freedom for excitation input.
- 0 - Translational movement in direction given by vector VID1
- 1 - X-translational degree-of-freedom, or X-rotational degree of freedom
- 2 - Y-translational degree-of-freedom, or Y-rotational degree of freedom
- 3 - Z-translational degree-of-freedom, or Z-rotational degree of freedom
- Type: integer
- dof2
- The applicable degrees-of-freedom for response output.
- 0 - Direction given by vector VID2
- 1 - X-translational degree-of-freedom
- 2 - Y-translational degree-of-freedom
- 3 - Z-translational degree-of-freedom
- 4 - X, Y and Z-translational degrees-of-freedom
- 5 - Y-rotational degree-of-freedom
- 6 - Z-rotational degree-of-freedom
- 7 - X,Y and Z-translational degrees-of-freedom
- 8 - X,Y and Z-rotational degrees-of-freedom
- Type: integer
- dskip
- The threshold load projection ratio.
- Type: double
- dtout
- The time interval between writing velocity or acceleration, and pressure at boundary elements in the binary file, to be proceeded at the end of simulation.
- Type: double
- e
- The young's modulus of subsystem.
- Type: double
- effmas
- The minimum percentage requirement of total modal mass.
- Type: double
- eigenvalue
- The Eigenvalue option.
- 0 - None
- 1 - Eigenvalue
- Type: integer
- erpref
- The ERP reference value.
- Type: double
- erprlf
- The ERP radiation loss factor.
- Type: double
- exclude
- The EXCLUDE option.
- 0 - NONE
- 1 - EXCLUDE
- Type: double
- f_begs
- The beginning frequency for using this database.
- Type: double array
- f_ends
- The ending frequency for using this database.
- Type: double array
- fatigue
- The FATIGUE option.
- 0: NONE
- 1: FATIGUE
- Type: double array
- fbeg
- The starting frequency.
- Type: double
- fend
- The ending frequency.
- Type: double
- fftwin
- The FFT windows.
- 0 - Rectangular window
- 1 - Hanning window
- 2 - Hamming window
- 3 - Blackman window
- 4 - Raised cosine window
- 5 - Exponential window
- Type: double
- filename
- The path and name of the file which contains model information.
- Type: string
- filenames
- The path and name of the database which contains model information.
- For fatigue information, the path and name of existing binary database.
- Type: string array
- fmax
- The maximum value of output frequencies or maximum frequency for FRF/SEA output.
- Type: double
- fmin
- The minimum value of output frequencies or minimum frequency for FRF output.
- Type: double
- fnmax
- The optional maximum natural frequency employed in FRF computation or modal superposition method.
- Type: double
- fnmin
- The minimum natural frequency in modal superposition method.
- Type: double
- fnmin
- The fringe plot options.
- 1 - PART
- 2 - PART_SET
- 3 - NODE_SET
- 4 - SPHERE
- 5 - PLATE
- Type: integer
- fspace
- The frequency spacing option for FRF output.
- 0 - Linear
- 1 - Logarithmic
- 2 - Biased
- Type: integer
- ibdim
- The inner iteration limit in GMRES iterative solver.
- Type: integer
- ibeam
- The flag for plate connected to plate.
- 0 - Plate-plate connection
- 1 - Plate-plate-beam connection
- Type: integer
- icoarse
- The option for PSD curve coarsening.
- 0 - No coarsening, use original data (default)
- 1 - Coarsening by keeping only peaks and troughs
- 2 - Coarsening by removing intermediate points with slope change percentage less than prescribed tolerance
- Type: integer
- iedge
- The free edge and multi-connection constraints option.
- 0 - Free edge and multi-connection constraints not considered
- 1 - Free edge and multi-connection constraints considered
- 2 - Only free edge constraints are considered
- 3 - Only multi-connection constraints are considered
- Type: integer
- id
- The ID of the entity.
- Type: unsigned integer
- include
- The ID of the include file the entity is organized in.
- Type: entity
- includeid
- The ID of the include file the entity is organized in.
- Type: unsigned integer
- inflag
- The frequency interpolation option.
- 0 - Logarithmic interpolation
- 1 - Semi-logarithmic interpolation
- 2 - Linear interpolation
- Type: integer array
- inftg
- The flag for including initial damage ratio.
- Type: integer
- internalid
- The ID of the entity.
- Type: unsigned integer
- internalname
- The internal name of the entity.
- Type: string
- ipanelu
- The number of strips in U direction.
- Type: integer
- ipanelv
- The number of strips in V direction.
- Type: integer
- The flag for output files.
- 0 - Press_Pa, Press_dB and bepres (ASCII database file for LS - Prepost) are provided
- 1 - Press_Pa_real and Press_Pa_imag are provided, in addition to Press_Pa, Press_dBand bepres
- 10 - Files for IPFILE = 0, and fringe files for acoustic pressure
- 11 - Files for IPFILE = 1, and fringe files for acoustic pressure
- 20 - Files for IPFILE = 0, and fringe files for sound pressure level
- 21 - Files for IPFILE = 1, and fringe files for sound pressure level
- 31 - Files for IPFILE = 1, and fringe files for acoustic pressure (real part)
- 41 - Files for IPFILE = 1, and fringe files for acoustic pressure (imaginary part)
- Type: integer
- iread
- The type of SEA run.
- 0 - Run SEA analysis
- 1 - Read FEM keyword input deck and create SEA model
- Type: integer
- iss
- The type of SEA run.
- 0 - Run SEA analysis
- 1 - Read FEM keyword input deck and create SEA model
- Type: integer
- istress
- The stress computation flag.
- 0 - Stress results are not requested
- 1 - Stress results are requested
- Type: integer
- itt
- The area moment of inertia about local t-axis.
- Type: double
- iunits
- The flag for unit changes.
- 0 - Do not apply unit change
- 1 - MKS units are used, no change needed
- 2 - Units lbf × s2/in, inch, s, lbf, psi, etc. are used, changed to MKS in BEM Acoustic computation
- 3 - Units kg, mm, ms, kN, GPa, etc. are used, changed to MKS in BEM acoustic computation
- 4 - Units ton, mm, s, N, MPa, etc. are used, changed to MKS in BEM acoustic computation
- Type: integer
- j
- The torsional constant.
- Type: integer
- lc1
- The ID of the load curve defining real part of pressure, normal velocity, or impedance, or defining real (in-phase) part (LCFLAG=0) or amplitude (LCFLAG=1) of load as a function of frequency.
- Type: entity array
- lc2
- The ID of the load curve defining imaginary part of pressure, normal velocity, or impedance, or defining imaginary (out-phase) part (LCFLAG=0) or phase angle (LCFLAG=1) of load as a function of frequency
- Type: entity array
- lc3
- The ID of the load curve defining load duration for each frequency.
- Type: entity array
- lc_tbid
- The ID of the load curve or table.
- Type: entity array
- lcdam
- The ID of the load curve defining mode dependent modal damping coefficient.
- Type: entity
- lcdamp
- The ID of the load curve defining frequency dependent modal damping ratio.
- Type: entity
- lcflag
- The load curve definition flag.
- 0 - Load curves are given as amplitude/phase angle
- 1 - Load curves are given as real/imaginary components
- Type: integer
- lcflags
- The load curve definition flag.
- Type: integer array
- lcfreq
- The ID of the load curve defining the frequencies for FRF/SEA output.
- Type: entity
- lcid_1
- The ID of the curve for real part of frequency dependent complex sound speed.
- Type: entity
- lcid_2
- The ID of the curve for imaginary part of frequency dependent complex sound speed.
- Type: entity
- lcid_curve
- The ID of the S-N fatigue curve.
- Type: entity array
- lcid_negative
- The S-N fatigue curve Negative values.
- -1 - S-N fatigue curve uses equation NS^b = a
- -2 - S-N fatigue curve uses equation log(S) = a - b*log(N)
- -3 - S-N fatigue curve uses equation S = a*N^b
- -4 - S-N fatigue curve uses equation S = a - b*log(N)
- Type: integer array
- lcid_option
- The flag specifying LCID options.
- Type: Boolean array
- lcids1
- The ID of the load curve to describe the amplitude (or real part) of velocity.
- Type: entity array
- lcids2
- The ID of the load curve to describe the phase (or imaginary part) of velocity.
- Type: entity array
- lctyp
- The type of load curve defining modal damping coefficient.
- 0 - Abscissa value defines frequency
- 1 - Abscissa value defines mode number
- Type: integer
- lctyp2
- The type of load curves (LDPSD1 and LDPSD2) for defining cross PSD.
- 0 - LDPSD1 defines real part and LDPSD2 defines imaginary part
- 1 - LDPSD1 defines magnitude and LDPSD2 defines phase angle in degrees
- 2 - LDPSD1 defines magnitude and LDPSD2 defines phase angle in radians
- Type: integer array
- lctyp_input_spectrum
- The load curve type for defining the input spectrum.
- 0 - Base velocity (vs. natural frequency)
- 1 - Base acceleration (vs. natural frequency)
- 2 - Base displacement (vs. natural frequency)
- 3 - Nodal force (vs. natural frequency)
- 4 - Pressure (vs. natural frequency)
- 5 - Base velocity (vs. natural period)
- 6 - Base acceleration (vs. natural period)
- 7 - Base displacement (vs. natural period)
- 8 - Nodal force (vs. natural period)
- 9 - Pressure (vs. natural period)
- 10 - Base velocity time history
- 11 - Base acceleration time history
- 12 - Base displacement time history
- Type: integer array
- ldflag
- The type of loading curves.
- 0 - Log-Log interpolation
- 1 - Semi-Log interpolation
- 2 - Linear-Linear interpolation
- Type: integer
- ldflw
- The load curve for exponential decay for TBL in flow-wise direction.
- Type: entity array
- ldpsd
- The load curve for PSD, SPL, or time history excitation.
- Type: entity array
- ldpsd1
- The load curve for real part or magnitude of cross PSD.
- Type: entity array
- ldpsd2
- The load curve for imaginary part or phase angle of cross PSD.
- Type: entity array
- ldspn
- The load curve for exponential decay for TBL in span-wise direction.
- Type: entity array
- ldtyp
- The excitation load.
- 0 - PSD
- 1 - SPL (for plane wave only)
- 2 - Time history load
- Type: integer
- ldvel
- The load curve for phase velocity.
- Type: entity array
- len_x
- The length of the longer side of the plate.
- Type: double
- len_y
- The length of the shorter side of the plate.
- Type: double
- length
- The length of the edge in connection.
- Type: double
- lntyp
- The set type for LNID.
- 1 - Node ID
- 2 - Node set ID
- 3 - Segment set ID
- 4 - Part ID
- 5 - Part set ID
- Type: integer array
- load_i
- The ID of load i for cross PSD.
- Type: integer array
- load_j
- The ID of load j for cross PSD.
- Type: integer array
- loadtyp
- The input power type.
- 1 - Power
- 2 - Force
- 3 - Velocity
- 4 - Bending wave power for plate
- 5 - Shear wave power for plate
- Type: integer
- localoptions
- The LOCAL options.
- 1 - NODE_SET
- 2 - PART
- 3 - PART_SET
- Type: integer
- ltype
- The type of LCID.
- 0 - Semi-log interpolation (default)
- 1 - Log-Log interpolation
- 2 - Linear-Linear interpolation
- Type: integer array
- lwave
- The longitudinal wave.
- Type: double
- mag
- The magnitude of the incident sound wave.
- Type: double array
- mag_curve
- The ID of the curve defining the frequency dependent magnitude.
- Type: entity array
- mag_option
- The flag specifying MAG options.
- Type: Boolean array
- mass_density_sub
- The mass density of subsystem.
- Type: double
- mattyp
- The material type.
- 1 - Elastic
- 2 - Elasto-plastic
- Type: integer
- maxit
- The maximum number of iterations for iterative solver.
- Type: integer
- mbeg
- The first mode ID in block n.
- Type: integer array
- mcomb
- The method for combination of modes.
- -14 - NRL-SUM method with CSM (Closely Spaced Modes) treatment, where the CSM pairs are defined by SID
- -4 - NRL-SUM method with CSM (Closely Spaced Modes) treatment
- 0 - SRSS method
- 1 - NRC Grouping method
- 2 - Complete Quadratic Combination method
- 3 - double Sum method
- 4 - NRL-SUM method
- 5 - double Sum method based on Gupta-Cordero coefficient
- 6 - double Sum method based on modified Gupta-Cordero coefficient
- 7 - Rosenblueth method
- Type: integer
- mdmax
- The last mode employed in FRF computation or modal superposition method.
- Type: integer
- mdmin
- The first mode employed in FRF computation or modal superposition method.
- Type: integer
- memory
- The memory flag.
- 0: Modal superposition performed in-core
- 1: Modal superposition performed out-of-core
- Type: integer
- mend
- The last mode ID in block n.
- Type: integer array
- method
- The method used in acoustic analysis or modal response analysis.
- 0 - Rayleigh method
- 1 - Kirchhoff method coupled to FEM for acoustics
- 2 - Variational Indirect BEM
- 3 - Collocation BEM
- 4 - Collocation BEM with Burton-Miller formulation for exterior problems
- Type: integer
- mftg
- The method for random fatigue analysis.
- 0 - No fatigue analysis
- 1 - Steinberg's three-band method
- 2 - Dirlik method
- 3 - Narrow band method
- 4 - Wirsching method
- 5 - Chaudhury and Dover method
- 6 - Tunna method
- 7 - Hancock method
- 8 - Lalanne method
- Type: integer
- mid
- The mode ID.
- Type: integer array
- mode_sid
- The mode set identification.
- Type: entity
- modeoptions
- The MODE Options.
- 1 - LIST
- 2 - GENERATE
- 3 - SET
- 4 - LOAD_PROJECTION
- 5 - MODAL_COEFFICIENT
- Type: integer
- moduleid
- The module ID of the entity.
- Type: integer
- mount
- The mount type.
- 1 - Hull Mounted System
- 2 - Deck Mounted System
- 3 - Shell Plating Mounted System
- Type: integer
- movemt
- The movement type.
- 1 - Vertical
- 2 - Athwartship
- 3 - Fore and Aft
- Type: integer
- mxtdmp
- The acoustic stiffness and mass matrices dumping.
- 0 - No dumping
- 1 - Dumping globally assembled acoustic stiffness and mass matrices in Harwell-Boeing sparse matrix format
- Type: integer
- n1
- The node or node set or segment set ID for excitation input.
- Type: entity
- n1typ
- The type of N1.
- 0 - Node ID
- 1 - Node set ID
- 2 - Segment set ID
- Type: integer
- n2typ
- The type of N2.
- 0 - Node ID
- 1 - Node set ID
- 2 - Segment set ID
- Type: integer
- napsd
- The number of auto PSD load definitions.
- Type: integer
- name
- The name of the entity.
- Type: string
- nbc
- The number of boundary condition cards.
- Type: integer
- nboundary
- The number of Boundary conditions.
- Type: integer
- ncpsd
- The number of cross PSD load definition.
- Type: integer
- ndd
- The number of domain decomposition.
- Type: integer
- nelm_x
- The number of elements on longer side of the plate.
- Type: integer
- nelm_y
- The number of elements on shorter side of the plate.
- Type: integer
- nerp
- The number of ERP panels.
- Type: integer
- nexcitations
- The number of excitation loads.
- Type: integer
- nfreq
- The number of output frequencies.
- Type: integer
- nfreqrange
- The number of frequency range.
- Type: integer
- nfrup
- The preconditioner update option.
- Type: integer
- nfspace
- The frequency spacing option for SEA output.
- 0 - Linear
- 1 - Logarithmic
- 2 - Biased
- Type: integer
- nftg
- The field specifying the number of S-N curves to be defined.
- Type: integer
- nftg_negative
- The field specifying the number of S-N curves to be defined.
- Type: integer
- Nftg_negflag
- The NFTG option.
- Type: Boolean
- nid
- The node ID or node set ID or segment set ID for acoustic result output.
- Type: entity
- nids
- The node ID.
- Type: entity array
- nmbegend
- The number of mode block cards.
- Type: integer
- nmid
- The number of mode ID cards.
- Type: integer
- nmsort
- The number of modes to be retained which have the largest load projection ratios.
- Type: integer
- noel
- The location where normal velocity or acceleration is taken.
- 0 - Elements or Segments
- 1 - Nodes
- Type: integer
- norm
- The normal direction of the plate.
- 1 - X-direction
- 2 - Y-direction
- 3 - Z-direction
- Type: integer
- norms
- The NORM should be set such that the normal vectors point away from the fluid.
- 0 - Normal vectors are not inverted
- 1 - Normal vectors are inverted
- Type: integer array
- notyp
- The type of NOUT.
- 0 - Part set ID
- 1 - Part ID
- 2 - Segment set ID
- 3 - Node set ID
- -2 - segment set ID which mismatches with acoustic boundary nodes
- Type: integer
- nout
- The part set or part or segment set or node set ID for response output.
- Type: entity
- nova
- The response output type.
- 0 - Velocity
- 1 - Acceleration
- Type: entity
- npg
- The number of Gauss integration points.
- Type: entity
- nsidext
- The node ID or node set ID or segment set ID of output exterior field points.
- Type: entity
- nsidint
- The node or segment set ID of output interior field points.
- Type: entity
- nsidpc
- The node set ID for the field points where panel contributions to SPL (Sound Pressure Level) are requested.
- Type: entity
- nsids
- The node set ID.
- Type: entity array
- nspectrum
- The number of input spectrum.
- Type: integer
- nsub
- The number of subsystems in this connection.
- Type: integer
- ntyp
- The set type.
- 0 - Node
- 1 - Node Set
- Type: integer
- ntyp_ssd
- The type of NID.
- 0 - Node ID
- 1 - Node set ID
- 2 - Segment set ID
- Type: integer array
- num_nsid
- The number of entities.
- Type: integer
- num_pid
- The number of entities.
- Type: integer
- num_psid
- The number of entities.
- Type: integer
- nwaves
- The number of incident waves.
- Type: integer
- output
- The output option.
- 0 - Write amplitude and phase angle pairs
- 1 - Write real and imaginary pairs
- Type: integer
- outputsuppressed
- Returns non-zero if the entity is set "do not export", 0
otherwise.
- Type: integer
- partid
- The part ID.
- Type: entity array
- partsetid
- The part set ID.
- Type: entity array
- pathoptions
- The PATH Options.
- 0 - NONE
- 1 - PARTITION
- 2 - NOJOBID
- Type: entity array
- pid
- The part ID or part set ID to define the acoustic domain.
- Type: entity
- pid_sid
- The part ID or part set ID or node set ID.
- Type: entity
- pids
- The part ID.
- Type: entity array
- planeid
- The plane ID for defining the half-space problem.
- Type: integer
- plate_area
- The plate area.
- Type: double
- plate_dampb
- The damping factor for bending wave.
- Type: double
- plate_dampl
- The damping factor for longitudinal wave.
- Type: double
- plate_lc2
- The load curve for damping factor for longitudinal wave.
- Type: entity
- plate_lc3
- The load curve for damping factor for shear wave.
- Type: entity
- plate_length
- The length of the plate.
- Type: double
- plate_perim
- The perimeter of the plate.
- Type: double
- plate_thick
- The thickness of the plate.
- Type: double
- plate_width
- The width of the plate.
- Type: double
- poolid
- The pool number of the entity.
- Type: integer
- poolname
- The pool name of the entity.
- Type: string
- pr
- The poisson's ratio of subsystem.
- Type: double
- pref
- The reference pressure to be used to output pressure in dB in the Press_dB file.
- Type: double
- psids
- The part set ID.
- Type: entity array
- ptyp
- The set type.
- 0 - Part
- 1 - Part Set
- Type: integer
- ptyp_ssd
- The type of PID.
- 0 - Part ID
- 1 - Part set ID
- 2 - Segment set ID
- Type: integer array
- ptyp_ssd
- The type of PID.
- 0 - Part
- 1 - Part Set
- 2 - SET_SOLID
- 3 - SET_BEAM
- 4 - SET_SHELL
- 5 - SET_TSHELL
- Type: integer array
- r
- The radius of the sphere.
- Type: double
- r0
- The fluid density.
- Type: double
- radeff
- The radiation efficiency computation flag.
- 0 - Radiation efficiency computation is not requested
- 1 - Radiation efficiency computation is requested
- Type: integer
- relatv
- The flag for displacement, velocity and acceleration results.
- 0 - Absolute values are requested
- 1 - Relative values are requested
- Type: integer
- restdp
- The restart option.
- -1 - A new run with writing dumpssd for future restart
- 0 - A new run without writing dumpssd
- 1 - Restart with dumpssd with writing new dumpssd for future restart
- 2 - Restart with dumpssd without writing new dumpssd
- Type: integer
- restmd
- The restart option when different types of loads are present.
- 0 - Don't read the dump file for PSD and RMS
- 1 - Read in PSD and RMS values from the dump file and add them to the values computed in the current load case
- Type: integer
- restmd
- The restart option.
- 0 - A new modal analysis is performed
- 1 - Restart with d3eigv
- 2 - Restart with modeshp binary scratch file
- Type: integer
- restrt
- The flag to save an LS-DYNA analysis if the binary output file in the (bem=filename) option has not been changed.
- 0 - LS-DYNA time domain analysis is processed and generates a new binary file
- 1 - LS-DYNA time domain analysis is not processed. The binary files from previous run are used.
- 2 - LS-DYNA restarts from d3dump file by using R command line parameter
- 3 - LS-DYNA reads in user provided velocity history saved in an ASCII file, bevel
- 4 - Run acoustic computation on a boundary element mesh with velocity information given with a denser finite element mesh in last run.
- 5 - LS-DYNA time domain analysis is not processed. The binary file filename
from previous run is used. An FFT is performed to get the new frequency
domain boundary velocity and the results are saved in
bin_velfreq.
- Type: integer
- sf
- The load curve scale factor.
- Type: integer
- shellsetid
- The shell set ID.
- Type: entity array
- shptyp
- The ship type.
- 1 - Submarine
- 2 - Surface ship
- Type: integer
- sids
- The ID of the load cases.
- Type: integer array
- snlimt
- The flag setting the algorithm used when stress is lower than the lowest stress on S-N curve or lower than STHRES.
- 0: If LCID > 0, use the life at the last point on S-N curve. If LCID < 0 , use the life at STHRES
- 1: If LCID > 0, extrapolates from the last two points on S-N curve. Ignored if LCID < 0
- 2: Ignored if LCID > 0 or LCID < 0
- Type: integer array
- sntype
- The stress type of S-N curve in fatigue analysis.
- Type: integer
- solidsetid
- The solid set ID.
- Type: entity array
- solver_id
- The solver ID of the entity.
- Type: integer
- solverkeyword
- The name of the solver keyword.
- Type: string
- solvername
- The solver name of the entity for entities enabled for name pool, otherwise the
internal name of the entity.
- Type: string
- ssdoptions
- The SSD Options.
- 0 - NONE
- 1 - FATIGUE
- 2 - ERP
- 3 - FRF
- 4 - DIRECT
- 5 - DIRECT_FREQUENCY_DEPENDENT
- Type: integer
- ssid2s
- The segment set ID.
- Type: entity array
- ssids
- The segment set ID.
- Type: entity array
- sstypes
- The boundary element type.
- 0 - Part set ID
- 1 - Part ID
- 2 - Segment set ID
- Type: integer array
- std
- The design spectrum standard for shock load.
- 1 - NRL-1396
- -1 - Spectrum constants defined by user in Card 5
- Type: integer
- sthres
- The fatigue threshold.
- Type: double array
- strsf
- The stress scale factor to accommodate different ordinates in S-N curve.
- 1.0 - Used if the ordinate in S-N curve is stress range
- 2.0 - Used if the ordinate in S-N curve is stress amplitude
- Type: double
- strtyp
- The stress used in fatigue analysis.
- 0 - von Mises stress
- 1 - Maximum principal stress
- 2 - Maximum shear stress
- Type: integer
- styp
- The set type.
- 0 - Part ID
- 1 - Part set ID
- 2 - Segment set ID
- 3 - Node set ID
- Type: integer array
- styp
- The flag specifying meaning of SID.
- 0 - Node
- 1 - Node Set
- 2 - Segment Set
- 3 - Part ID
- 4 - Part Set
- Type: integer array
- stype
- The flag specifying meaning of SID.
- 0 - Node
- 1 - Node Set
- 2 - Segment Set
- 3 - Part
- 4 - Part Set
- Type: integer array
- stype_neg
- The ID of the load cases.
- Type: integer array
- stype_option
- The flag specifying STYPE option.
- Type: Boolean array
- subid
- The ID of subsystem.
- Type: integer
- subids
- The ID of subsystem.
- Type: integer array
- subtyp
- The type of subsystem.
- 1 - Plate
- 2 - Cavity
- 3 - Beam
- Type: integer
- swave
- The shear wave.
- Type: double
- systemid
- The ID of the system defining wave direction.
- Type: entity array
- t_hold
- The hold-off period before the exponential window.
- Type: double
- tcoarse
- The tolerance for slope change percentage for removing intermediate points from PSD curve.
- Type: double
- temper
- The temperature.
- Type: double
- texpos
- The exposure time.
- Type: double
- thick
- The thickness of the plate.
- Type: double
- thickshellsetid
- The ID of the thick shell set.
- Type: entity array
- tolfct
- The tolerance in factorization of the low rank matrix.
- Type: double
- tolitr
- The tolerance for the iterative solver.
- Type: double
- tollr
- The tolerance for low rank approximation of dense matrix.
- Type: double
- trslt
- The request time domain results.
- 0 - No time domain results are requested
- 1 - Time domain results are requested (Press_Pa_t gives absolute value pressure as a function of time)
- 2 - Time domain results are requested (Press_Pa_t gives real value pressure vs. time)
- Type: integer
- tstart
- The start time for recording velocity or acceleration in LS-DYNA simulation.
- Type: double
- twave
- The torsional wave.
- Type: double
- twave
- The type of incident sound wave.
- 1 - Plane wave
- 2 - Spherical wave
- Type: integer array
- typext
- The output exterior field point type.
- 0 - Node ID
- 1 - Node set ID
- 2 - Segment set ID
- Type: integer
- typint
- The output interior field point type.
- 0 - Node ID
- 1 - Node set ID
- 2 - Segment set ID
- Type: integer
- umlt
- The multiplier for converting g to [length unit]/[time unit]2.
- Type: double
- unit
- The flag for acceleration unit conversion.
- 0 - Use [length unit]/[time unit]2 as unit of acceleration
- 1 - Use "g" as unit for acceleration, and SI units (Newton, kg, meter, second, etc.) elsewhere
- 2 - Use "g" as unit for acceleration, and Engineering units (lbf, lbf × second2/inch, inch, second, etc.) elsewhere
- 3 - Use "g" as unit for acceleration, and units (kN, kg, mm, ms, GPa, etc.) elsewhere
- 4 - Use "g" as unit for acceleration, and units (Newton, ton, mm, second, MPa, etc.) elsewhere
- -1 - Use "g" as unit for acceleration and provide the multiplier for converting g to [length unit]/[time unit]2
- Type: integer
- va
- The coefficients to define the velocity spectrum.
- Type: double
- vad
- The velocity/acceleration/displacement flag.
- 0 - Velocity by steady state dynamics (SSD)
- 1 - Velocity by transient analysis
- 2 - Opening (zero pressure)
- 11 - Velocity by LCID1 (amplitude) and LCID2 (phase)
- 12 - Velocity by LCID1 (real) and LCID2 (imaginary)
- 21 - Acceleration by LCID1 (amplitude) and LCID2 (phase)
- 22 - Acceleration by LCID1 (real) and LCID2 (imaginary)
- 31 - Displacement by LCID1 (amplitude) and LCID2 (phase)
- 32 - Displacement by LCID1 (real) and LCID2 (imaginary)
- 41 - Impedance by LCID1 (amplitude) and LCID2 (phase)
- 42 - Impedance by LCID1 (real) and LCID2 (imaginary)
- 51 - Pressure by LCID1 (amplitude) and LCID2 (phase)
- 52 - Pressure by LCID1 (real) and LCID2 (imaginary)
- Type: integer array
- vad1
- The excitation input type.
- 0 - Base velocity
- 1 - Base acceleration
- 2 - Base displacement
- 3 - Nodal force
- 4 - Pressure
- 5 - Enforced velocity by large mass method
- 6 - Enforced acceleration by large mass method
- 7 - Enforced displacement by large mass method
- 8 - Torque
- 9 - Base angular velocity
- 10 - Base angular acceleration
- 11 - Base angular displacement
- Type: integer
- vad2
- The response output type.
- 0 - Velocity
- 1 - Acceleration
- 2 - Displacement
- 3 - Nodal force
- Type: integer
- vad_excitation
- The excitation input type.
- 0 - Nodal force
- 1 - Pressure
- 2 - Base velocity
- 3 - Base acceleration
- 4 - Base displacement
- 5 - Enforced velocity by large mass method
- 6 - Enforced acceleration by large mass method
- 7 - Enforced displacement by large mass method
- 8 - Torque
- 9 - Base angular velocity
- 10 - Base angular acceleration
- 11 - Base angular displacement
- 12 - Enforced velocity (for DIRECT type keyword options only)
- 13 - Enforced acceleration (for DIRECT type keyword options only)
- 14 - Enforced displacement (for DIRECT type keyword options only)
- Type: integer array
- vaflag
- The loading type.
- 0 - No random vibration analysis
- 1 - Base acceleration
- 2 - Random pressure
- 3 - Plane wave
- 4 - Shock wave
- 5 - Progressive wave
- 6 - Reverberant wave
- 7 - Turbulent boundary layer wave
- 8 - Nodal force
- 9 - Base velocity
- 10 - Base displacement
- 11 - Enforced acceleration by large mass method
- 12 - Enforced velocity by large mass method
- 13 - Enforced displacement by large mass method
- Type: integer
- vapsd
- The flag for PSD output.
- 0 - Absolute PSD output is requested
- 1 - Relative PSD output is requested
- Type: integer
- varms
- The flag for RMS output.
- 0 - Absolute RMS output is requested
- 1 - Relative RMS output is requested
- Type: integer
- vb
- The coefficients to define the velocity spectrum.
- Type: integer
- vc
- The coefficients to define the velocity spectrum.
- Type: double
- velout
- The flag for writing out nodal or elemental velocity data.
- 0 - No writing out velocity data
- 1 - Write out time domain velocity data
- 2 - Write out frequency domain velocity data
- Type: integer
- vf
- The coefficients to define the velocity spectrum.
- Type: double
- vid
- The vector ID for DOF values of 4.
- Type: entity array
- vid2
- The vector ID for DOF2=0 for response direction.
- Type: entity
- vid_direction
- The vector ID for DOF1=4 for excitation input.
- Type: entity
- vidoptions
- The flag specifying the VID options.
- Type: Boolean
- vidvalue
- The direction of shock load.
- 1 - X-direction
- 2 - Y-direction
- 3 - Z-direction
- Type: integer
- x_c
- The x-directional cosine of shock load.
- Type: double
- xcs
- The direction cosines for the place wave, or coordinates of the point source for the spherical wave.
- Type: double array
- y_c
- The y-directional cosine of shock load.
- Type: double
- ycs
- The direction cosines for the place wave, or coordinates of the point source for the spherical wave.
- Type: double array
- z_c
- The z-directional cosine of shock load.
- Type: double
- zcs
- The direction cosines for the place wave, or coordinates of the point source for the spherical wave.
- Type: double array