Abstract
Debris flow are gravity driven mass flows which can create catastrophic geohazards along their overriding paths. Driven by the gravity, debris flow can travel long distances on favorable continental slopes. Their frontal velocity can be very high which may pose significant threat to offshore installations such as subsea pipelines, communication cables and offshore platforms (Yuan et. al., 2012). Therefore, understanding their dynamic behavior is critical in order to mitigate potential geohazards. The specific objective of this paper is to present a coupled two dimensional numerical model that characterizes debris flow movement, rheological properties and its interaction with subsea installations. For demonstration purpose, the coupled model has been applied to schematized settings representing generalized continental shelves with canyons.Recorded Presentation from the vICCE (YouTube Link):
Highlights
Debris flow can travel long distances on favorable continental slopes. Their frontal velocity can be very high which may pose significant threat to offshore installations such as subsea pipelines, communication cables and offshore platforms (Yuan et al, 2012). Understanding their dynamic behavior is critical in order to mitigate potential geohazards
The specific objective of this paper is to present a coupled two dimensional numerical model that characterizes debris flow movement, rheological properties and its interaction with subsea installations
Debris flows are simplified as a two-phase flow with thin layer approximation of the N-S Equations, which assumes that the runout distance of the flow is much greater than its depth
Summary
OBJECTIVE Debris flow are gravity driven mass flows which can create catastrophic geohazards along their overriding paths. Debris flow can travel long distances on favorable continental slopes. Their frontal velocity can be very high which may pose significant threat to offshore installations such as subsea pipelines, communication cables and offshore platforms (Yuan et al, 2012). The specific objective of this paper is to present a coupled two dimensional numerical model that characterizes debris flow movement, rheological properties and its interaction with subsea installations.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
