1. OrcaFlex OrcaFlex User Group, 2005 www.orcina.com Slide 1 of 3 - Complex Clashing Refresher Time Step –Not too big or lines will jump through –Not too small or runs take longer Contact Stiffness –Not too low or lines pull through –Not too high or time step reduces and runs take longer –Also transient response problem if too high (rattle)

2. OrcaFlex OrcaFlex User Group, 2005 www.orcina.com Slide 2 of 3 - Complex Clashing Refresher Static Position –Clashing not included in statics –Make sure line starts dynamics on correct side –Use splines, temporary links, ramping current, etc. Only use clashing where you need it Guide lines only need to be one segment long

3. OrcaFlex OrcaFlex User Group, 2005 www.orcina.com Slide 3 of 3 - Complex Clashing Examples Disconnecting Mooring System Arch Guides Flexible Stingers - Hinged and Articulated Guide Funnels Jetty Mooring Bow Clearance