ProductsAbaqus/StandardAbaqus/ExplicitAbaqus/CAE
TypeHistory data
LevelStep
Abaqus/CAELoad module
Optional parameters
- AMPLITUDE
-
Set this parameter equal to the name of the amplitude curve that defines the
magnitude of the distributed fluxes during the step (Amplitude Curves).
If this parameter is omitted for uniform flux types in an
Abaqus/Standard
analysis, the reference magnitude is applied immediately at the beginning of
the step or linearly over the step, depending on the value assigned to the AMPLITUDE parameter on the
STEP option (Defining an analysis).
If this parameter is omitted in an
Abaqus/Explicit
analysis, the reference magnitude is applied immediately at the beginning of
the step.
In
Abaqus/Standard
for nonuniform distributed fluxes of type BFNU and SnNU the flux magnitude is defined in user subroutine
DFLUX and AMPLITUDE references are ignored. In
Abaqus/Explicit
for nonuniform distributed fluxes of type BFNU and SnNU the flux magnitude is defined in user subroutine
VDFLUX and AMPLITUDE references are passed in the user subroutine.
In
Abaqus/Standard
for nonuniform concentrated fluxes of type MBFNU the flux magnitude is defined in user subroutine
UMDFLUX and AMPLITUDE references are passed in the user subroutine.
- OP
-
Set OP=MOD (default) for existing
DFLUXs to remain, with this option modifying existing fluxes or
defining additional fluxes.
Set OP=NEW if all existing
DFLUXs applied to the model should be removed.
Data lines to define
a distributed flux
- First
line
-
Element number or element set label.
-
Distributed flux type label (see
About the element library).
-
Reference flux magnitude (units of
JT−1L−2 for surface fluxes and
JT−1L−3 for body fluxes). It is needed for
uniform fluxes only. If this value is given for nonuniform fluxes, it will be
passed into user subroutine
DFLUX, where the actual flux magnitude is defined.
In heat transfer analysis the units are
JT−1L−2 for surface fluxes and
JT−1L−3 for body fluxes. In mass diffusion
analysis the units are PLT−1 for surface fluxes and
PT−1 for body fluxes.
Repeat this data line as
often as necessary to define distributed fluxes for different element
surfaces.
Data lines to define a
nonuniform concentrated flux inside the user subroutine
UMDFLUX
- First line
- Element set label.
- Distributed flux type label
(see
About the element library).
- Leave this entry blank (any value entered here will be
ignored).
- Table collection name or blank if no table
collection is used.
Repeat this
data line as often as necessary to define distributed fluxes for different
element
surfaces.