
Coupling (
  Type ( Chain )
  Spring (
   Stiffness ( 7.5e6N/m 1e7N/m )
   Damping ( 1e6N/m/s 2e6N/m/s )
   Break ( 850kN 850kN )
   r0 ( 0cm 10cm )
  )
  CouplingHasRigidConnection ( 0 )
  Velocity ( 0.01m/s )
 )
 Coupling (
  Type ( Chain )
  Spring (
   Stiffness ( 7.5e6N/m 1e7N/m )
   Damping ( 1e6N/m/s 2e6N/m/s )
   Break ( 850kN 850kN )
   r0 ( 0cm 10cm )
  )
  CouplingHasRigidConnection ( 0 )
  Velocity ( 0.01m/s )
 )