This function retrieves the contact reaction force for a particular clashing region at a particular time step.
GetClashingReaction (string DatabaseName, int TimeIndex, int ClashingRegionNo)
DatabaseName (character string). The full path name to the relevant database.
TimeIndex (integer). The relevant time index.
ClashingRegionNo (integer). The relevant clashing region number.
-9999998 (if the specified database is invalid)
-9999999 (if the requested value cannot be retrieved from the database)