Specifies bilinear restraints. These are restraints that have two different stiffnesses associated with them. The stiffness is dependent upon the loading on the restraint. Bilinear restraints can be preceded by a (+) or a (-).
Specifies bilinear restraints. These are restraints that have two different stiffnesses associated with them. The stiffness is dependent upon the loading on the restraint. Bilinear restraints can be preceded by a (+) or a (-).