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-   -   Elastic membranes (such as sails) under aerodynamic loading (http://www.cfd-online.com/Forums/main/435-elastic-membranes-such-sails-under-aerodynamic-loading.html)

M. Gerritsen January 6, 1999 04:53

Elastic membranes (such as sails) under aerodynamic loading
 
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

Phil Gibson January 8, 1999 15:20

Re: Elastic membranes (such as sails) under aerodynamic loading
 
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."


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