Elastic membranes (such as sails) under aerodynamic loading

January 6, 1999, 03:53

Dear all,

Is anyone working on *structured* grid methods for the interaction between (air)flows and elastic membranes, such as sails? If so, I'd like to share experiences.

Thanks, Margot Gerritsen

January 8, 1999, 14:20

A problem similar to sails is parachute membrane fluid-structure interaction (FSI) -- see:

http://www.arc.umn.edu/

http://www.mems.rice.edu/TAFSM/PROJ/FSI/axi_para.html

http://www-sscom.army.mil/warrior/98/oct/airdrop.htm

"All airdrop systems encounter highly complex fluid structure interaction (FSI) phenomena as they deploy, inflate, reach steady state conditions, and ultimately provide a soft landing. Without an accurate representation of the inflated parachute shape, the FSI phenomena make it impossible to predict accurately the pressure distribution on a canopy surface. At the same time, the parachute's shape cannot be determined without an accurate representation of the pressure distribution (and other loadings) acting over its surface."

January 6, 1999, 03:53	Elastic membranes (such as sails) under aerodynamic loading	#1
M. Gerritsen Guest Posts: n/a	Dear all, Is anyone working on structured grid methods for the interaction between (air)flows and elastic membranes, such as sails? If so, I'd like to share experiences. Thanks, Margot Gerritsen

January 8, 1999, 14:20	Re: Elastic membranes (such as sails) under aerodynamic loading	#2
Phil Gibson Guest Posts: n/a	A problem similar to sails is parachute membrane fluid-structure interaction (FSI) -- see: http://www.arc.umn.edu/ http://www.mems.rice.edu/TAFSM/PROJ/FSI/axi_para.html http://www-sscom.army.mil/warrior/98/oct/airdrop.htm "All airdrop systems encounter highly complex fluid structure interaction (FSI) phenomena as they deploy, inflate, reach steady state conditions, and ultimately provide a soft landing. Without an accurate representation of the inflated parachute shape, the FSI phenomena make it impossible to predict accurately the pressure distribution on a canopy surface. At the same time, the parachute's shape cannot be determined without an accurate representation of the pressure distribution (and other loadings) acting over its surface."