ABAQUS Analysis User's Manual  


14.1.5 Cylindrical solid element library

Product: ABAQUS/Standard  

References

Element types

CCL99-node cylindrical brick, linear interpolation in the radial plane and trigonometric interpolation along the circumferential direction
CCL9H9-node cylindrical brick, linear interpolation in the radial plane and trigonometric interpolation along the circumferential direction, hybrid with constant pressure in plane and linear pressure in the circumferential direction
CCL1212-node cylindrical brick, linear interpolation in the radial plane and trigonometric interpolation along the circumferential direction
CCL12H12-node cylindrical brick, linear interpolation in the radial plane and trigonometric interpolation along the circumferential direction, hybrid with constant pressure in plane and linear pressure in circumferential direction
CCL1818-node cylindrical brick, quadratic interpolation in the radial plane and trigonometric interpolation along the circumferential direction
CCL18H18-node cylindrical brick, quadratic interpolation in the radial plane and trigonometric interpolation along the circumferential direction, hybrid with linear pressure in plane and linear pressure in the circumferential direction
CCL2424-node cylindrical brick, quadratic interpolation in the radial plane and trigonometric interpolation along the circumferential direction
CCL24H24-node cylindrical brick, quadratic interpolation in the radial plane and trigonometric interpolation along the circumferential direction, hybrid with linear pressure in plane and linear pressure in circumferential direction
CCL24R24-node cylindrical brick, reduced integration, quadratic interpolation in the radial plane and trigonometric interpolation along the circumferential direction
CCL24RH24-node cylindrical brick, reduced integration, quadratic interpolation in the radial plane and trigonometric interpolation along the circumferential direction, hybrid with linear pressure in plane and linear pressure in circumferential direction

Active degrees of freedom

1, 2, 3

Additional solution variables

The hybrid elements with constant pressure in plane have two additional variables relating to pressure, and the linear pressure hybrid elements have six additional variables relating to pressure.

Nodal coordinates required

, ,

Element property definition

Input File Usage:           
*SOLID SECTION

Element-based loading

Distributed loads

Distributed loads are specified as described in “Distributed loads,” Section 19.4.3.


Load ID (*DLOAD):  BX

Units:  FL–3

Description:  Body force in global -direction.


Load ID (*DLOAD):  BY

Units:  FL–3

Description:  Body force in global -direction.


Load ID (*DLOAD):  BZ

Units:  FL–3

Description:  Body force in global -direction.


Load ID (*DLOAD):  BXNU

Units:  FL–3

Description:  Nonuniform body force in global -direction with magnitude supplied via user subroutine DLOAD (“DLOAD,” Section 25.2.5).


Load ID (*DLOAD):  BYNU

Units:  FL–3

Description:  Nonuniform body force in global -direction with magnitude supplied via user subroutine DLOAD (“DLOAD,” Section 25.2.5).


Load ID (*DLOAD):  BZNU

Units:  FL–3

Description:  Nonuniform body force in global -direction with magnitude supplied via user subroutine DLOAD (“DLOAD,” Section 25.2.5).


Load ID (*DLOAD):  CENT

Units:  FL–4(ML–3T–2)

Description:  Centrifugal load (magnitude is input as , where is the mass density per unit volume, is the angular velocity).


Load ID (*DLOAD):  CENTRIF

Units:  FL–4(ML–3T–1)

Description:  Centrifugal load (magnitude is input as , where is the angular velocity).


Load ID (*DLOAD):  CORIO

Units:  FL–4T (ML–3T–1)

Description:  Coriolis force (magnitude is input as , where is the mass density per unit volume, is the angular velocity).


Load ID (*DLOAD):  GRAV

Units:  LT–2

Description:  Gravity loading in a specified direction (magnitude is input as acceleration).


Load ID (*DLOAD):  HPn

Units:  FL–2

Description:  Hydrostatic pressure on face n, linear in global .


Load ID (*DLOAD):  Pn

Units:  FL–2

Description:  Pressure on face n.


Load ID (*DLOAD):  ROTA

Units:  T–2

Description:  Rotary acceleration load (magnitude is input as , where is the rotary acceleration).


Load ID (*DLOAD):  TRSHRn

Units:  FL–2

Description:  Shear traction on face n.


Load ID (*DLOAD):  TRSHRnNU(S)

Units:  FL–2

Description:  Nonuniform shear traction on face n with magnitude and direction supplied via user subroutine UTRACLOAD (“UTRACLOAD,” Section 25.2.41).


Load ID (*DLOAD):  TRVECn

Units:  FL–2

Description:  General traction on face n.


Load ID (*DLOAD):  TRVECnNU(S)

Units:  FL–2

Description:  Nonuniform general traction on face n with magnitude and direction supplied via user subroutine UTRACLOAD (“UTRACLOAD,” Section 25.2.41).

Foundations

Foundations are available for all cylindrical elements. They are specified as described in “Element foundations,” Section 2.2.2.


Load ID (*FOUNDATION):  Fn

Units:  FL–3

Description:  Elastic foundation on face n.

Surface-based loading

Distributed loads

Surface-based distributed loads are available for elements with displacement degrees of freedom. They are specified as described in “Distributed loads,” Section 19.4.3.


Load ID (*DSLOAD):  HP

Units:  FL–2

Description:  Hydrostatic pressure on the element surface, linear in global .


Load ID (*DSLOAD):  Pn

Units:  FL–2

Description:  Pressure on the element surface.


Load ID (*DSLOAD):  PnNU

Units:  FL–2

Description:  Nonuniform pressure on the element surface with magnitude supplied via user subroutine DLOAD (“DLOAD,” Section 25.2.5).


Load ID (*DSLOAD):  TRSHR

Units:  FL–2

Description:  Shear traction on the element surface.


Load ID (*DSLOAD):  TRSHRNU(S)

Units:  FL–2

Description:  Nonuniform shear traction on the element surface with magnitude and direction supplied via user subroutine UTRACLOAD (“UTRACLOAD,” Section 25.2.41).


Load ID (*DSLOAD):  TRVEC

Units:  FL–2

Description:  General traction on the element surface.


Load ID (*DSLOAD):  TRVECNU(S)

Units:  FL–2

Description:  Nonuniform general traction on the element surface with magnitude and direction supplied via user subroutine UTRACLOAD (“UTRACLOAD,” Section 25.2.41).

Element output

Output is in a fixed cylindrical system (1=radial, 2=axial, 3=circumferential) unless a local coordinate system is assigned to the element through either the section definition (“Orientations,” Section 2.2.5) or an element property assignment (“Assigning element properties on an element-by-element basis,” Section 13.1.5), in which case output is in the local coordinate system (which rotates with the motion in large-displacement analysis). See “State storage,” Section 1.5.4 of the ABAQUS Theory Manual, for details.

Stress, strain, and other tensor components

Stress and other tensors (including strain tensors) are available for elements with displacement degrees of freedom. All tensors have the same components. For example, the stress components are as follows:

S11

Local 11 direct stress.

S22

Local 22 direct stress.

S33

Local 33 direct stress.

S12

Local 12 shear stress.

S13

Local 13 shear stress.

S23

Local 23 shear stress.


Node ordering and face numbering on elements

12-node and 24-node cylindrical element faces

Face 11 – 2 – 3 – 4 face
Face 25 – 8 – 7 – 6 face
Face 31 – 5 – 6 – 2 face
Face 42 – 6 – 7 – 3 face
Face 53 – 7 – 8 – 4 face
Face 64 – 8 – 5 – 1 face

9-node and 18-node cylindrical element faces

Face 11 – 2 – 3 face
Face 24 – 6 – 5 face
Face 31 – 4 – 5 – 2 face
Face 42 – 5 – 6 – 3 face
Face 53 – 6 – 4 – 1 face

Numbering of integration points for output

This shows the scheme in the layer closest to the 1–2–3–4 face. The integration points in the second and third layers are numbered consecutively.