General Membrane Element Library

Distributed loads are specified as described in Distributed Loads.

*dload

1. Load ID (*DLOAD): BX
2. FL⁻³

3. Body force in the global X-direction.

1. Load ID (*DLOAD): BY
2. FL⁻³

3. Body force in the global Y-direction.

1. Load ID (*DLOAD): BZ
2. FL⁻³

3. Body force in the global Z-direction.

1. Load ID (*DLOAD): BXNU
2. FL⁻³

3. Nonuniform body force in the global X-direction with magnitude supplied via user subroutine DLOAD in Abaqus/Standard  and VDLOAD in Abaqus/Explicit.

1. Load ID (*DLOAD): BYNU
2. FL⁻³

3. Nonuniform body force in the global Y-direction with magnitude supplied via user subroutine DLOAD in Abaqus/Standard and VDLOAD in Abaqus/Explicit.

1. Load ID (*DLOAD): BZNU
2. FL⁻³

3. Nonuniform body force in the global Z-direction with magnitude supplied via user subroutine DLOAD in Abaqus/Standard  and VDLOAD in Abaqus/Explicit.

1. Load ID (*DLOAD): CENT ^(S)
2. FL⁻⁴ (ML⁻³T⁻²)

3. Centrifugal load (magnitude is input as $\rho {\omega }^2$, where $\rho$ is the mass density per unit volume, $\omega$ is the angular velocity).

1. Load ID (*DLOAD): CENTRIF ^(S)
2. T⁻²

3. Centrifugal load (magnitude is input as ${\omega }^2$, where $\omega$ is the angular velocity).

1. Load ID (*DLOAD): CORIO ^(S)
2. FL⁻⁴T (ML⁻³T⁻¹)

3. Coriolis force (magnitude is input as $\rho \omega$, where $\rho$ is the mass density per unit volume, $\omega$ is the angular velocity). The load stiffness due to Coriolis loading is not accounted for in direct steady-state dynamic analysis.

1. Load ID (*DLOAD): GRAV
2. LT⁻²

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

1. Load ID (*DLOAD): HP ^(S)
2. FL⁻²

3. Hydrostatic pressure applied to the element reference surface and linear in global Z. The pressure is positive in the direction of the positive element normal.

1. Load ID (*DLOAD): P
2. FL⁻²

3. Pressure applied to the element reference surface. The pressure is positive in the direction of the positive element normal.

1. Load ID (*DLOAD): PNU
2. FL⁻²

3. Nonuniform pressure applied to the element reference surface with magnitude supplied via user subroutine DLOAD in Abaqus/Standard  and VDLOAD in Abaqus/Explicit. The pressure is positive in the direction of the positive element normal.

1. Load ID (*DLOAD): ROTA ^(S)
2. T⁻²

3. Rotary acceleration load (magnitude is input as $\alpha$, where $\alpha$ is the rotary acceleration).

1. Load ID (*DLOAD): ROTDYNF ^(S)
2. T⁻¹

3. Rotordynamic load (magnitude is input as $\omega$, where $\omega$ is the angular velocity).

1. Load ID (*DLOAD): SBF ^(E)
2. FL⁻⁵T²

3. Stagnation body force in global X-, Y-, and Z-directions.

1. Load ID (*DLOAD): SP ^(E)
2. FL⁻⁴T²

3. Stagnation pressure applied to the element reference surface.

1. Load ID (*DLOAD): TRSHR
2. FL⁻²

3. Shear traction on the element reference surface.

1. Load ID (*DLOAD): TRSHRNU ^(S)
2. FL⁻²

3. Nonuniform shear traction on the element reference surface with magnitude and direction supplied via user subroutine UTRACLOAD.

1. Load ID (*DLOAD): TRVEC
2. FL⁻²

3. General traction on the element reference surface.

1. Load ID (*DLOAD): TRVECNU ^(S)
2. FL⁻²

3. Nonuniform general traction on the element reference surface with magnitude and direction supplied via user subroutine UTRACLOAD.

1. Load ID (*DLOAD): VBF ^(E)
2. FL⁻⁴T

3. Viscous body force in global X-, Y-, and Z-directions.

1. Load ID (*DLOAD): VP ^(E)
2. FL⁻³T

3. Viscous surface pressure applied to the element reference surface. The pressure is proportional to the velocity normal to the element face and opposing the motion.