14.1.2 One-dimensional solid (link) element library

Products: ABAQUS/Standard  ABAQUS/CAE  

For structural link (truss) elements, refer to Truss elements, Section 15.2.1.

References

Element types

Diffusive heat transfer elements

DC1D22-node link
DC1D33-node link

Active degree of freedom

11

Additional solution variables

None.

Forced convection heat transfer elements

DCC1D22-node link
DCC1D2D2-node link with dispersion control

Active degree of freedom

11

Additional solution variables

None.

Coupled thermal-electrical elements

DC1D2E2-node link
DC1D3E3-node link

Active degrees of freedom

9, 11

Additional solution variables

None.

Acoustic elements

AC1D22-node link
AC1D33-node link

Active degree of freedom

8

Additional solution variables

None.

Nodal coordinates required

, ,

Element property definition

You must provide the cross-sectional area of the element; by default, unit area is assumed.

Input File Usage:           
*SOLID SECTION

ABAQUS/CAE Usage: 

Property module: Create Section: select Solid as the section Category and Homogeneous as the section Type


Element-based loading

Distributed heat fluxes

Distributed heat fluxes are available for elements with temperature degrees of freedom. They are specified as described in Thermal loads, Section 19.4.4.


Load ID (*DFLUX):  BF

ABAQUS/CAE Load/Interaction:  Body heat flux

Units:  JL–3 T–1

Description:  Heat body flux per unit volume.


Load ID (*DFLUX):  BFNU

ABAQUS/CAE Load/Interaction:  Body heat flux

Units:  JL–3 T–1

Description:  Nonuniform heat body flux per unit volume with magnitude supplied via user subroutine DFLUX (DFLUX, Section 25.2.3).


Load ID (*DFLUX):  S1

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2 T–1

Description:  Heat surface flux per unit area into the first end of the link (node 1).


Load ID (*DFLUX):  S2

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2 T–1

Description:  Heat surface flux per unit area into the second end of the link (node 2 or node 3).


Load ID (*DFLUX):  S1NU

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2 T–1

Description:  Nonuniform heat surface flux per unit area into the first end of the link (node 1) with magnitude supplied via user subroutine DFLUX (DFLUX, Section 25.2.3).


Load ID (*DFLUX):  S2NU

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2 T–1

Description:  Nonuniform heat surface flux per unit area into the second end of the link (node 2 or node 3) with magnitude supplied via user subroutine DFLUX (DFLUX, Section 25.2.3).

Film conditions

Film conditions are available for elements with temperature degrees of freedom. They are specified as described in Thermal loads, Section 19.4.4.


Load ID (*FILM):  F1

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2T–1–1

Description:  Film coefficient and sink temperature (units of ) at the first end of the link (node 1).


Load ID (*FILM):  F2

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2T–1–1

Description:  Film coefficient and sink temperature (units of ) at the second end of the link (node 2 or node 3).


Load ID (*FILM):  F1NU

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2T–1–1

Description:  Nonuniform film coefficient and sink temperature (units of ) at the first end of the link (node 1) with magnitude supplied via user subroutine FILM (FILM, Section 25.2.6).


Load ID (*FILM):  F2NU

ABAQUS/CAE Load/Interaction:  Not supported

Units:  JL–2T–1–1

Description:  Nonuniform film coefficient and sink temperature (units of ) at the second end of the link (node 2 or node 3) with magnitude supplied via user subroutine FILM (FILM, Section 25.2.6).

Radiation types

Radiation conditions are available for elements with temperature degrees of freedom. They are specified as described in Thermal loads, Section 19.4.4.


Load ID (*RADIATE):  R1

ABAQUS/CAE Load/Interaction:  Not supported

Units:  Dimensionless

Description:  Emissivity and sink temperature (units of ) at the first end of the link (node 1).


Load ID (*RADIATE):  R2

ABAQUS/CAE Load/Interaction:  Not supported

Units:  Dimensionless

Description:  Emissivity and sink temperature (units of ) at the second end of the link (node 2 or node 3).

Distributed impedances

Distributed impedances are available for elements with acoustic pressure degrees of freedom. They are specified as described in Acoustic loads, Section 19.4.5.


Load ID (*IMPEDANCE):  I1

ABAQUS/CAE Load/Interaction:  Not supported

Units:  None

Description:  Name of the impedance property that defines the impedance at the first end of the link (node 1).


Load ID (*IMPEDANCE):  I2

ABAQUS/CAE Load/Interaction:  Not supported

Units:  None

Description:  Name of the impedance property that defines the impedance at the second end of the link (node 2 or node 3).

Distributed electric current densities

Distributed electric current densities are available for coupled thermal-electrical elements. They are specified as described in Coupled thermal-electrical analysis, Section 6.6.2.


Load ID (*DECURRENT):  CBF

ABAQUS/CAE Load/Interaction:  Body current

Units:  CL–3T–1

Description:  Volumetric current source density.


Load ID (*DECURRENT):  CS1

ABAQUS/CAE Load/Interaction:  Surface current

Units:  CL–2T–1

Description:  Current density at the first end of the link (node 1).


Load ID (*DECURRENT):  CS2

ABAQUS/CAE Load/Interaction:  Surface current

Units:  CL–2T–1

Description:  Current density at the second end of the link (node 2 or node 3).

Element output

Heat flux components

Available for elements with temperature degrees of freedom.

HFL1

Heat flux along the element axis.


Electrical potential gradient

Available for coupled thermal-electrical elements.

EPG1

Electrical potential gradient along the element axis.


Electrical current density components

Available for coupled thermal-electrical elements.

ECD1

Electrical current density along the element axis.


Node ordering and face numbering on elements

Numbering of integration points for output