One-dimensional solid (link) element library

This section provides a reference to the one-dimensional solid (link) elements available in Abaqus/Standard. For structural link (truss) elements, refer to Truss elements.

Related Topics
Solid (continuum) elements
In Other Guides
*SOLID SECTION

ProductsAbaqus/StandardAbaqus/CAE

Element types

Diffusive heat transfer elements

DC1D2

2-node link

DC1D3

3-node link

Active degrees of freedom

11

Additional solution variables

None.

Forced convection heat transfer elements

DCC1D2

2-node link

DCC1D2D

2-node link with dispersion control

Active degrees of freedom

11

Additional solution variables

None.

Coupled thermal-electrical elements

DC1D2E

2-node link

DC1D3E

3-node link

Active degrees of freedom

9, 11

Additional solution variables

None.

Acoustic elements

AC1D2

2-node link

AC1D3

3-node link

Active degrees of freedom

8

Additional solution variables

None.

Nodal coordinates required

X, Y, Z

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 Beam as the section Category and Truss 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.

*dflux
  1. Load ID (*DFLUX): BF
  2. Body heat flux
  3. JL−3 T−1

  4. Heat body flux per unit volume.

  1. Load ID (*DFLUX): BFNU
  2. Body heat flux
  3. JL−3 T−1

  4. Nonuniform heat body flux per unit volume with magnitude supplied via user subroutine DFLUX.

  1. Load ID (*DFLUX): S1
  2. Surface heat flux
  3. JL−2 T−1

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

  1. Load ID (*DFLUX): S2
  2. Surface heat flux
  3. JL−2 T−1

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

  1. Load ID (*DFLUX): S1NU
  2. Not supported
  3. JL−2 T−1

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

  1. Load ID (*DFLUX): S2NU
  2. Not supported
  3. JL−2 T−1

  4. 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.

Film conditions

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

*film
  1. Load ID (*FILM): F1
  2. Not supported
  3. JL−2T−1θ−1

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

  1. Load ID (*FILM): F2
  2. Not supported
  3. JL−2T−1θ−1

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

  1. Load ID (*FILM): F1NU
  2. Not supported
  3. JL−2T−1θ−1

  4. Nonuniform film coefficient and sink temperature (units of θ) at the first end of the link (node 1) with magnitude supplied via user subroutine FILM.

  1. Load ID (*FILM): F2NU
  2. Not supported
  3. JL−2T−1θ−1

  4. Nonuniform film coefficient and sink temperature (units of θ) at the second end of the link (node 2 or node 3) with magnitude supplied via user subroutine FILM.

Radiation types

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

*radiate
  1. Load ID (*RADIATE): R1
  2. Surface radiation
  3. Dimensionless

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

  1. Load ID (*RADIATE): R2
  2. Surface radiation
  3. Dimensionless

  4. Emissivity and sink temperature (units of θ) 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 and shock loads.

*impedance
  1. Load ID (*IMPEDANCE): I1
  2. Not supported
  3. None

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

  1. Load ID (*IMPEDANCE): I2
  2. Not supported
  3. None

  4. 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.

*decurrent
  1. Load ID (*DECURRENT): CBF
  2. Body current
  3. CL−3T−1

  4. Volumetric current source density.

  1. Load ID (*DECURRENT): CS1
  2. Surface current
  3. CL−2T−1

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

  1. Load ID (*DECURRENT): CS2
  2. Surface current
  3. CL−2T−1

  4. 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