How can I add gravity load to a reference point (which has a point mass associated with it) in Abaqus?

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Henry Schau

Lines from a working example.inp file:

*NODE, NSET=RF

101, 0.000, 0.000, 1.000

*ELEMENT, TYPE=MASS, ELSET=POINTMASS

100, 101

*MASS, ELSET=POINTMASS

1000.0

*DLOAD

POINTMASS, GRAV, 9.81, 0.0, 0.0, -1.0

The main point is the definition of a (single) mass element. The Abaqus/CAE User's Guide "30.1.1 Point masses" and "33.3 Defining point mass and rotary inertia" gives a description.