Load record value

Returns the value of the selected information about load record.

RSA_LOAD_VALUE (Information type, Case no., Load index, Point no.)

The RSA_LOAD_VALUE formula syntax has the following arguments:

Information type

The following types of information, which depend on the selected type of load are available:

Self-weight
  • SW_COEFF

    Gravity multiplier (1.0 if standard gravity value is to be taken into account).

  • SW_DIR

    Direction along which gravity acts: X, Y, Z or if opposite: -X, -Y, -Z.

  • SW_ENTIRE

    Flag which shows if weight of all structural elements is taken into account. True - 1, false - 0.

Nodal force
  • NF_AL, NF_BE, NF_GA

    Angles determining the directions of force application and displacement with respect to axes of the global coordinate system.

  • NF_CX, NF_CY, NF_CZ

    Nodal moments with respect to axes X, Y and Z (defined in the global coordinate system).

  • NF_FX, NF_FY, NF_FZ

    Concentrated forces in the directions X, Y and Z respectively (defined in the global coordinate system).

Uniform load
  • UL_AL, UL_BE, UL_GA

    Angles determining the directions of force application and displacement with respect to axes of the global coordinate system.

  • UL_DY, UL_DZ

    Loads on eccentricity in the directions Y and Z respectively (defined in the global coordinate system).

  • UL_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • UL_PROJ

    Flag indicating whether the load is to be projected. True - 1, false - 0.

  • UL_PX, UL_PY, UL_PZ

    Values of uniform load in directions X, Y and Z respectively (defined in the global coordinate system).

Trapezoidal load (2p, 3p, 4p)
  • TLP_AL, TLP_BE, TLP_GA

    Angles determining the directions of force application and displacement with respect to axes of the global coordinate system.

  • TLP_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • TLP_PROJ

    Flag indicating whether the load is to be projected. True - 1, false - 0.

  • TLP_PX, TLP_PY, TLP_PZ

    Values of the load at the beginning and end point, respectively, of the load application in the direction of axis X, Y or Z (defined in the global coordinate system). Point no. from range <1;4> must be defined.

  • TLP_REL

    Flag indicating whether the distance values are relative (parameter X or REL_X). True - 1, false - 0.

  • TLP_X, TLP_REL_X

    Coordinates of the beginning and end point of a bar where the load will be applied. Coordinates may be defined as relative (REL_X) or absolute (X) values. Point no. from range <1;4> must be defined.

Bar force
  • BF_AL, BF_BE, BF_GA

    Angles determining the directions of force application and displacement with respect to axes of the global coordinate system.

  • BF_CX, BF_CY, BF_CZ

    Nodal moments with respect to axes X, Y and Z (defined in the global coordinate system).

  • BF_DY, BF_DZ

    Loads on eccentricity in the directions Y and Z respectively (defined in the global coordinate system).

  • BF_FX, BF_FY, BF_FZ

    Concentrated forces in the directions X, Y and Z respectively (defined in the global coordinate system).

  • BF_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • BF_NODE

    Flag indicating whether the calculation node is to be generated. True - 1, false - 0.

  • BF_REL

    Flag indicating whether the distance values are relative (parameter X or REL_X). True - 1, false - 0.

  • BF_X, BF_REL_X

    Absolute (X) or relative (REL_X) value of coordinate of a point along bar length where the load will be applied.

Thermal load
  • TL_TX

    Homogenous heating/cooling down of the entire element.

  • TL_TY, TL_TZ

    Difference of temperature between extreme fibers of the element cross-section (in the direction of axes Y or Z of the local coordinate system, respectively).

Imposed displacement
  • ID_UX, ID_UY, ID_UZ

    Displacements imposed in the directions of axes X, Y and Z. This option is accessible only for support nodes in the assumed direction of support.

  • ID_RX, ID_RY, ID_RZ

    Rotations imposed in the directions of axes X, Y and Z. This option is accessible only for support nodes in the assumed direction of support.

Imposed velocity
  • IV_UX, IV_UY, IV_UZ

    Displacements imposed in the directions of axes X, Y and Z. This option is accessible only for support nodes in the assumed direction of support.

Imposed acceleration
  • IA_UX, IA_UY, IA_UZ

    Displacements imposed in the directions of axes X, Y and Z. This option is accessible only for support nodes in the assumed direction of support.

Dilatation
  • D_DL, D_REL_DL

    Absolute (DL) or relative (REL_DL) value of shortening / lengthening. A positive number refers to lengthening, while negative one to shortening.

  • D_REL

    Flag indicating whether the distance values are relative (parameter DL or REL_DL). True - 1, false - 0. The manner of defining values "d". The value is defined with respect to bar length. Otherwise, the value if "d" parameter is defined in the currently used length unit.

Uniform moment
  • UM_MX, UM_MY, UM_MZ

    Load with continuous moments applied in the direction of axes X, Y and Z.

  • UM_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

(FE) Thermal load 3p
  • FETL_L_PX, FETL_L_PY, FETL_L_PZ

    Coordinates of points from 1 to 3 defining a pane and direction (point no. 4 located on one side of the defined pane). Point no. from range <1;4> must be defined.

  • FETL_L_T

    Value of thickness of the cutting pane.

  • FETL_NX, FETL_NY, FETL_NZ

    Coordinates of a point where the values of temperature or temperature gradient have been defined. Point no. from range <1;3> must be defined.

  • FELT_TX

    Values of temperature (constant or variable) in points 1, 2 or 3. Point no. from range <1;3> must be defined.

  • FELT_TZ

    Values of gradient in the direction perpendicular to the element surface (along the element thickness) in points 1, 2 or 3. Point no. from range <1;2> must be defined.

(FE) Linear 2p (3D)
  • FEL2P_GA

    Angle defining the direction of operation of forces with respect to the axes of the global coordinate system.

  • FEL2P_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • FEL2P_MX, FEL2P_MY, FEL2P_MZ

    Values of a load with moment m in the direction of axes X, Y and Z of the global or local coordinate system, respectively, defined in the beginning and end points of load application. Point no. from range <1;3> must be defined.

  • FEL2P_NX, FEL2P_NY, FEL2P_NZ

    Coordinates of the beginning (1) and end (2) points of linear load application. Point no. from range <1;3> must be defined.

  • FEL2P_PX, FEL2P_PY, FEL2P_PZ

    Values of a uniform load p in the direction of axes X, Y and Z of the global or local coordinate system, respectively, defined in the beginning and end points of load application. Point no. from range <1;3> must be defined.

(FE) Planar on contour
  • SURFFPC_C_VX, SURFFPC_C_VY, SURFFPC_C_VZ

    Coordinates of the contour direction projection vector.

  • SURFFPC_C_X, SURFFPC_C_Y, SURFFPC_C_Z

    Coordinates of points defining the contour. Point no. from range <1;n> (where n is the number of points defining contour) must be defined.

  • FEPC_L_PX, FEPC_L_PY, FEPC_L_PZ

    Coordinates of points from 1 to 3 defining a pane and direction (point no. 4 located on one side of the defined pane). Point no. from range <1;4> must be defined.

  • FEPC_L_T

    Value of thickness of the cutting pane.

  • FEPC_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • FEPC_NX, FEPC_NY, FEPC_NZ

    Coordinates in the points where the values load p have been defined. Point no. from range <1;3> must be defined.

  • FEPC_PROJ

    Flag indicating whether the load is to be projected. True - 1, false - 0.

  • FEPC_PX, FEPC_PY, FEPC_PZ

    Values of load p in the direction of axes X, Y and Z of the global coordinate system, respectively, defined in points 1, 2 and 3. Point no. from range <1;3> must be defined.

(FE) Planar
  • FEP_L_PX, FEP_L_PY, FEP_L_PZ

    Coordinates of points from 1 to 3 defining a pane and direction (point no. 4 located on one side of the defined pane). Point no. from range <1;4> must be defined.

  • FEP_L_T

    Value of thickness of the cutting pane.

  • FEP_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • FEP_NX, FEP_NY, FEP_NZ

    Coordinates in the points where the values load p have been defined. Point no. from range <1;3> must be defined.

  • FEP_PROJ

    Flag indicating whether the load is to be projected. True - 1, false - 0.

  • FEP_PX, FEP_PY, FEP_PZ

    Values of load p in the direction of axes X, Y and Z of the global coordinate system, respectively, defined in points 1, 2 and 3. Point no. from range <1;3> must be defined.

(FE) Hydrostatic pressure
  • FEHP_DIR

    Direction: X, Y, Z or if opposite: -X, -Y, -Z.

  • FEHP_GRAV

    Specific gravity of the liquid.

  • FEHP_H

    Coordinate (level) of liquid surface.

  • FEHP_L_PX, FEHP_L_PY, FEHP_L_PZ

    Coordinates of points from 1 to 3 defining a pane and direction (point no. 4 located on one side of the defined pane). Point no. from range <1;4> must be defined.

  • FEHP_L_T

    Value of thickness of the cutting pane.

  • FEHP_P

    Constant component of a pressure load.

(FE) Uniform
  • FEU_L_PX, FEU_L_PY, FEU_L_PZ

    Coordinates of points from 1 to 3 defining a pane and direction (point no. 4 located on one side of the defined pane). Point no. from range <1;4> must be defined.

  • FEU_L_T

    Value of thickness of the cutting pane.

  • FEU_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • FEU_PROJ

    Flag indicating whether the load is to be projected. True - 1, false - 0.

  • FEU_PX, FEU_PY, FEU_PZ

    Values of uniform load in directions X, Y and Z respectively (defined in the global coordinate system).

(FE) Force at a point
  • FEFP_AL, FEFP_BE, FEFP_GA

    Angles determining the directions of force application and displacement with respect to axes of the global coordinate system.

  • FEFP_CX, FEFP_CY, FEFP_CZ

    Nodal moments with respect to axes X, Y and Z (defined in the global coordinate system).

  • FEFP_FX, FEFP_FY, FEFP_FZ

    Concentrated forces in the directions X, Y and Z respectively (defined in the global coordinate system).

  • FEFP_X, FEFP_Y, FEFP_Z

    Coordinates of the point of concentrated force application.

(FE) Linear on edges
  • FELE_GA

    Angle defining the direction of operation of forces with respect to the axes of the global coordinate system.

  • FELE_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • FELE_MX, FELE_MY, FELE_MZ

    Load with continuous moments applied in the direction of axes X, Y and Z.

  • FELE_PX, FELE_PY, FELE_PZ

    Values of load in directions X, Y and Z respectively (defined in the global coordinate system).

Surface on object
  • SO_LOCAL

    Flag indicating whether the loads are defined in local coordinate system. True - 1, false - 0.

  • SO_PX, SO_PY, SO_PZ

    Values of load in directions X, Y and Z respectively (defined in the global coordinate system).

Moving load - point force
  • MLPF_FX, MLPF_FY, MLPF_FZ

    Concentrated forces in the directions X, Y and Z respectively (defined in the global coordinate system).

  • MLPF_X, MLPF_Y, MLPF_Z

    Coordinates of the point of concentrated force application.

Moving load - uniform load
  • MLUL_DX, MLUL_DY

    Length of a segment/vehicle side along which the load is acting (along the vehicle axis).

  • MLUL_FX, MLUL_FY, MLUL_FZ

    Concentrated forces in the directions X, Y and Z respectively (defined in the global coordinate system).

  • MLUL_X, MLUL_Y, MLUL_Z

    Coordinates of the point of concentrated force application.

Body forces
  • BDF_AX, BDF_AY, BDF_AZ

    Absolute value of the acceleration vector in the directions X, Y and Z respectively (defined in the global coordinate system).

  • BDF_REL_AX, BDF_REL_AY, BDF_REL_AZ

    Relative value of the acceleration vector in the directions X, Y and Z respectively (defined in the global coordinate system).

  • BDF_MASS

    Flag indicating whether the force values are applied to added masses (true - 1) or objects (members and panels; false - 0).

  • BDF_REL

    Flag indicating whether the distance values are relative (parameters AX, AY, AZ or REL_AX, REL_AY, REL_AZ). True - 1, false - 0.

Centrifugal and angular acceleration forces
  • CA_AX, CA_AY, CA_AZ

    Value of the acceleration vector in the directions X, Y and Z respectively (defined in the global coordinate system).

  • CA_MASS

    Flag indicating whether the force values are applied to added masses (true - 1) or objects (members and panels; false - 0).

  • CA_VX, CA_VY, CA_VZ

    Value of the velocity vector in the directions X, Y and Z respectively (defined in the global coordinate system).

  • CA_X, CA_Y, CA_Z

    Coordinates of the point of rotation.

Loads due to beam prestress
  • BP_DIR

    Direction along which eccentricities acts: Y or Z.

  • BP_E

    Eccentricities E1 - beginning, E2 - midpoint, E3 - end. Point no. from range <1;3> must be defined.

  • BP_N

    Value of the prestressing force.

Case no.

The following input methods are available:

  • Number - type an integer
  • Cell address - select or type a cell address (for example A1) which the data will be loaded from
  • Graphical selection - select this option in the dialog or type "@"
    Note: If cases are selected graphically in Autodesk Robot Structural Analysis Professional, then the program returns information for the first case selected.

Load index

The following input methods are available:

  • Number - type an integer
  • Cell address - select or type a cell address (for example A1) which the data will be loaded from

Point no. (optional)

Note: This argument is only available for some types of loads.

The following input methods are available:

  • Number - type an integer
  • Cell address - select or type a cell address (for example A1) which the data will be loaded from

EXAMPLE

Open the RSA_FORMULAS.rtd and RSA_FORMULAS.xlsx files to get a better understanding of the example below.

Note: The files are located in C:/ProgramData/Autodesk/Examples/Results Connect/RSA.

Formula:

RSA_LOAD_VALUE("TLP_PZ",5,4,1) - returns the value of the trapezoidal load acting along the Z axis of the local coordinate system for the load case number 5, for the load index number 4 at the point number 1.

Result (load value):

2015.062913 [N/m]