	Coupling (
          Type ( Automatic )
          Spring (
                 Stiffness ( 1.2e6N/m 5e6N/m )
                 Damping ( 1.3e6N/m/s 3.8e6N/m/s )
                 Break ( 5.4e7N 5.4e7N )
                 r0 ( 2cm 5cm )
          )
          CouplingHasRigidConnection (1)
          Velocity ( 0.2m/s ) 
 )

 Coupling (
          Type ( Automatic )
          Spring (
                 Stiffness ( 5e6N/m 1.2e6N/m  )
                 Damping ( 3.8e6N/m/s 1.3e6N/m/s  )
                 Break ( 5.4e7N 5.4e7N )
                 r0 ( 5cm 2cm )
          )
          CouplingHasRigidConnection (1)          
          Velocity ( -0.2m/s ) 
 )
	Buffers (
		Spring (
			Stiffness ( 9e6N/m 5e6N/m )
			Damping ( 1e6N/m/s 1e6N/m/s )
			r0 ( 0m 10cm )
		)
		Centre ( 0.5 )
		Radius ( 1 )
		Angle ( 0.5deg )
	)