Meaning of domain strain rate

I am working on an example " Genesis and Testing of a Soft-Bonded Material" (file:///C:/Program%20Files/Itasca/PFC700/exe64/doc/pfc/pfcmodule/test3d/example_applications/SoftBonded/softbonded.html?node3490). It uses strain rate of 0.1 and 1.0. What is the unit of strain rate in the example.
Theoretically it has a unit of 1/s or %/s.
Kindly specify what PFC uses its unit and exact meaning.

Hello Prerna,

The units for strain rate are [m/m]/s or 1/s. The strain_rate value in this example simply sets the loading velocities for the direct tension and ucs tests.

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