*DASH
r11, r12
r21, r22
...
r11: r*8: Spring constant at displacement r12
r21: r*8: Spring constant at displacement r22
...
This card defines displacement dependent stiffness for point elements. This option is useful to model workpieces constrained by non-ridged supports. *DASH is used within the *MATE block. Refer to the Units of Measure topic for questions about the units to use for this input.