8.14. Analytic Rigid Surfaces

Warning

The commands for analytic rigid surface (ARS) contact (Goodyear specific) in this section are in development and have not been tested for a wide variety of applications. See the Goodyear Manual for a description of ARS contact.

BEGIN INTERACTION
  FRICTION DIRECTION = {LEGACY|OPPOSITE}
  NAME = <string>NAME
  RESET ACCUMULATED = {OFF|ON}
  SLIP PREDICTOR = <real>val
  SLIP TOLERANCE = <real>val
  SST FRICTION EVALUATION = {LEGACY|MEAN QUADRATURE}
  TYING TOLERANCE = <real>val
END

BEGIN SST FRICTION MODEL
  FRICTION SCALING = <real>
  MUVSSLIP FUNCTION = <string>
  PRESSURE EXPONENT = <real>
  PRESSURE REFERENCE = <real>
  SCALING FUNCTION = <string>
  XMAX = <real>
  XSTD = <real>
  YMAX = <real>
  YSTD = <real>
END

BEGIN TIME DEPENDENT FRICTION MODEL
  MU = <real>
  TIME FUNCTION = <string>
END