accelerations

Unless otherwise specified, data names are accessible in level 3 only.

engineering_type
The engineering type of load. Engineering loads act on set entities. Valid values are:
0 - Classic load
3 - Directional engineering load
Type: unsigned integer

The following data names are available for both classic and engineering loads:

attributesmax
The number of attributes owned by this entity.
Type: unsigned integer
collector
Pointer to the collector that owns the element.
Type: pointer (levels 2, 3 and 4)
config
The configuration of the entity.
9 - Acceleration
Type: unsigned integer
definedentity
True if the entity is defined, false otherwise.
Type: Boolean
entityid
The ID of the entity the load is attached to.
Type: integer
entitytype
The type of the entity to which the load is applied.
1 - node
3 - comp
5 - surf
10 - set
27 - point
28 - line
Type: integer
entitytypename
The string type of the entity to which the load is applied.
nodes
comps
surfs
sets
points
lines
Type: string
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
inputsystem
Pointer to the reference system.
Type: entity
internalid
The ID of the entity.
Type: unsigned integer
internalname
The internal name of the entity.
Type: string
moduleid
The module ID of the entity.
Type: integer
poolid
The pool number of the entity.
Type: integer
poolname
The pool name of the entity.
Type: string
set
Pointer to the set when the load is applied to a set.
Type: pointer
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
type
The solver dependent type code for the entity.
Type: integer
typename
The solver dependent type name for the entity.
Type: string
vectorx
The x component of the unit vector in the global coordinate system.
Type: double
vectory
The y component of the unit vector in the global coordinate system.
Type: double
vectorz
The z component of the unit vector in the global coordinate system.
Type: double

The following data names are available for classic loads:

baselocation
The coordinates where the load on a component or set should display. Valid for hm_getvalue query only. Also used to convert the load vector components into local values for non-rectangular coordinate systems.
Type: triple double
baselocationx
The x-coordinate where the load on a component or set should display.
Also used to convert the load vector components into local values for non-rectangular coordinate systems.
Type: double
baselocationy
The y-coordinate where the load on a component or set should display.
Also used to convert the load vector components into local values for non-rectangular coordinate systems.
Type: double
baselocationz
The z-coordinate where the load on a component or set should display.
Also used to convert the load vector components into local values for non-rectangular coordinate systems.
comp1
The x component of the vector in the global coordinate system.
Type: double
comp2
The y component of the vector in the global coordinate system.
Type: double
comp3
The z component of the vector in the global coordinate system.
Type: double
component
Pointer to the component when the load is applied to a component.
Type: pointer (levels 2, 3 and 4)
curveid
The ID of the curve defining the load magnitude when a curve has been used to define the load.
Type: entity
inputsystemid
The ID of the reference system.
Type: entity
local_comp1
The x component of the vector in the local coordinate system.
Type: double
local_comp2
The y component of the vector in the local coordinate system.
Type: double
local_comp3
The z component of the vector in the local coordinate system.
Type: double
local_vector
The load vector in the local coordinate system.
Type: triple double
local_vectorx
The x component of the unit vector in the local coordinate system.
Type: double
local_vectory
The y component of the unit vector in the local coordinate system.
Type: double
local_vectorz
The z component of the unit vector in the local coordinate system.
Type: double
location
The ID of the node where the load is applied. Valid for hm_getvalue query only.
Type: entity
magnitude
The magnitude of the vector.
Type: double
mappedid
The ID of the original load on geometry.
Type: integer
node
Pointer to the node when the load is applied to a node.
Type: pointer
vector
The component of the unit vector. Valid for hm_getvalue query only.
Type: triple double
xscale
The x scale or time scale of the load curve when a curve has been used to define the load.
Type: double

The following data names are available for engineering loads:

compx
The dot product of the load vector projected on the global x axis.
Type: double
compy
The dot product of the load vector projected on the global y axis.
Type: double
compz
The dot product of the load vector projected on the global z axis.
Type: double
distribution_table_count
The number of rows of a non-uniform engineering load.
Type: unsigned integer
field
The field entity that stores the tabular load data.
Type: entity
location_unit_node
The nodes for which the data is stored in the table for a non-uniform engineering load.
Type: entity array
orient
The load orientation vector.
Type: triple double
orientx
The x component of the load orientation vector.
Type: double
orienty
The y component of the load orientation vector.
Type: double
orientz
The z component of the load orientation vector.
Type: double
resultant_magnitude
The resultant scalar component of the load vector in the global coordinate system.
Type: double

The following data names are available for Abaqus engineering loads:

boundary_region
The type of boundary region on which pressure is applied.
LAGRANGIAN - Apply the pressure to a Lagrangian boundary region (default)
SLIDING - Apply the pressure load to a Sliding boundary region
EULERIAN - Apply the pressure to an Eulerian boundary region
Type: string
curveid
The amplitude curve that defines the variation of the load magnitude during the step.
Type: entity
cyclic_mode
The cyclic symmetry mode number of loads that are applied in the current steady-state dynamics procedure.
Type: integer
distribution
The distribution type:
0 - Uniform
1 - Non-uniform
Type: unsigned integer
dload_type
The distributed load type label for DLOAD.
GRAV - Gravity loading
ROTA - Rotary acceleration load
Type: string
entity_select_option
Flag to select reference node set.
Type: Boolean
expanded_form_flag
Flag to export loads on elements
Type: Boolean
magnitude
Reference load magnitude.
Type: double
matrix_generation
The mutually exclusive parameters for matrix generation and steady-state dynamics analyses.
REAL - Define the real (in-phase) part of the loading
IMAGINARY - Define the imaginary (out-of-phase) part of the loading
Type: string
ref_node
The reference node ID.
Type: entity
ref_set
The node set containing the reference node.
Type: entity
rot_axis_pos
The coordinates of a point on the axis of rotatory acceleration.
Type: triple double
vector
For DLOAD with load label ROTA
Components of the direction cosine of axis of rotatory acceleration.
For DLOAD with load label GRAV
Components of the gravity vector.
Type: triple double

The following data names are available for LS-DYNA engineering loads:

activation_time
The time the imposed motion is activated (default 0.0).
Type: double
add_part_construct_stage
The construction stage at which a part is added (default 0).
Type: integer
crash_dir_flag
Input flag to determine if directions can be input using vector or using crash direction semantics.
0 – Select global direction
1 – Select direction component
Type: unsigned integer
crash_dofstring
The string that outputs the computed DOF directions.
Type: string
curveid
The load curve ID.
Type: entity
deactivation_time
The time the imposed motion is removed (default 1020).
Type: double
displayname
The description of the loading.
Type: string
dyn_relax_evolve_fn
The load curve defined as a function of time during dynamic relaxation.
Type: entity
entity_select_option
Flag that enables curve selection using curveid for LOAD_GRAVITY_PART (type=0).
keyword_name
Flag that activates ID option.
Type: Boolean
load_body_opt
Available options include for base accelerations. Valid options are X, Y, or Z.
Type: string
load_dof
For BOUNDARY_PRESCRIBED_MOTION (type=1):
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 the VID. Movement on plane normal to the vector is permitted.
-4 - Translational motion in direction given by the VID. Movement on plane normal to the vector is not permitted.
5 - x-rotational degree-of-freedom
6 - y-rotational degree-of-freedom
7 - z-rotational degree-of-freedom
8 - Rotational motion about a vector parallel to vector VID. Rotation about the normal axes is permitted.
-8 - Rotational motion about a vector parallel to vector VID. Rotation about the normal axes is not permitted.
9 - Rotation motion about axis parallel to the x-axis. Radial motion is not permitted.
-9 - Rotation motion about axis parallel to the x-axis. Radial motion is permitted.
10 - Rotation motion about axis parallel to the y-axis. Radial motion is not permitted.
-10 - Rotation motion about axis parallel to the y-axis. Radial motion is permitted.
11 - Rotation motion about axis parallel to the z-axis. Radial motion is not permitted.
-11 - Rotation motion about axis parallel to the z-axis. Radial motion is permitted.
For LOAD_GRAVITY_PART (type=0):
1 – Direction X
2 – Direction Y
3 – Direction Z
Type: integer
motion_rigid_local_option
Flag that activates the LOCAL option.
Type: Boolean
motion_type
Velocity/Acceleration/Displacement flag.
0 - Velocity (rigid bodies and nodes)
1 - Acceleration (rigid bodies and nodes)
2 - Displacement (rigid bodies and nodes)
3 - Velocity versus displacement (rigid bodies only)
4 - Relative displacement (rigid bodies only)
Type: integer
magnitude
Load curve scale factor (default 1.0).
Type: double
motion_vec_dir
The vector ID for BOUNDARY_PRESCRIBED_MOTION (type=1) for load_dof values 4 and 8.
Type: entity
nodal_rigid_body
The element ID of the constrained nodal rigid body.
Type: entity
plane_axis_coord1
The offset for BOUNDARY_PRESCRIBED_MOTION (type=1) for load_dof types 9 - 11 (y, z, x direction) (default 0.0).
Type: double
plane_axis_coord2
The offset for BOUNDARY_PRESCRIBED_MOTION (type=1) for load_dof types 9 - 11 (z, x, y direction) (default 0.0).
rem_part_construct_stage
The construction stage at which a part is removed (default 0).
Type: integer
rigidbody_option
Flag that enables nodal rigid body selection.
Type: Boolean
rigid_part
The part ID of the rigid body.
Type: entity
vector
The acceleration load vector components in the coordinate system CID.
Type: triple double

The following data names are available for Nastran and OptiStruct engineering loads:

curveid
The ID of the curve defining the scale factor values at defined locations.
Type: entity
distribution
The distribution type:
0 - Uniform
1 - Non-uniform
Type: unsigned integer
magnitude
The scale factor for the load vector.
Type: double
os_comp_dir
The component direction of the load variation. Valid values are X, Y and Z.
Type: string
vector
The acceleration load vector components in the coordinate system CID. A minimum of one Ni should not be 0.0.
Type: triple double

The following data names are available for OptiStruct engineering loads:

os_tid
The ID of the load collector with card image TABLED1, defining the location (LOCi) versus scale factor (VALi) values.
Type: entity

The following data names are available for Radioss engineering loads:

curveid
The ID of the curve defining the time function identifier.
Type: entity
crash_dir_flag
Specifies if directions can be input using vector or crash direction semantics:
0 - Select global direction
1 - Select direction component
Type: unsigned integer
crash_dofstring
The sring that outputs the computed DOF directions, useful if the direction is specified using a string vector.
Type: string
displayname
The text for the title entry.
Type: string
magnitude
The ordinate (force) scale factor (default 1.0).
Type: double
rad_dir
The direction in translation. Valid values are X, Y, Z, XX, YY and ZZ.
Type: string
rad_sensor_id
The ID of the sensor entity.
Type: entity
rad_tstart
The start time.
Type: double
rad_tstop
The stop time (default 10^30).
Type: double
xscale
The abscissa (time) scale factor (default 1.0).
Type: double

Version History

2020 - New support for engineering loads. Added new data names compx, compy, compz, crash_dir_flag, crash_dofstring, displayname, distribution, distribution_table_count, engineering_type, field, local_comp1, local_comp2, local_comp3, local_vector, local_vectorx, local_vectory, local_vectorz, location, location_unit_node, orient, orientx, orienty, orientz, os_comp_dir, os_tid, rad_dir, rad_sensor_id, rad_tstart, rad_tstop and resultant_magnitude.

2020.1 - Added new data name solverkeyword.

2021.1 – Added new data names for LS-DYNA engineering loads: activation_time, add_part_construct_stage, crash_dir_flag, crash_dofstring and load_body_opt, curveid, deactivation_time, displayname, dyn_relax_evolve_fn, entity_select_option, keyword_name, load_dof, magnitude, motion_rigid_local_option, motion_type, motion_vec_dir, nodal_rigid_body, plane_axis_coord1, plane_axis_coord2, rem_part_construct_stage, rigid_part, rigidbody_option, vector, moduleid, poolid, poolname, and solver_id.

2021.2 - Added new data names internalname and solvername.

2022.2 - Added new data names for Abaqus engineering loads: boundary_region, cyclic_mode, dload_type, matrix_generation, ref_node, ref_set, and rot_axis_pos.