The Effect of Asymmetric Mechanical and Thermal Loading on Membrane Wrinkling
The Effect of Asymmetric Mechanical and Thermal Loading on Membrane Wrinkling
- New search for: Blandino, Joseph R.
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- New search for: Dharamsi, Urmil K.
- New search for: Brodeur, Stephen J.
- New search for: Blandino, Joseph R.
- New search for: Johnston, John D.
- New search for: Miles, Jonathan J.
- New search for: Dharamsi, Urmil K.
- New search for: Brodeur, Stephen J.
Large, tensioned membranes are being considered for future gossamer spacecraft systems. Examples include sunshields, solar sails, and membrane optics. In many. cases a relatively flat membrane with minimal wrinkling is desired. Developing methods to predict and measure membrane wrinkling is important to the future development of gossamer spacecraft. Numerical and experimental data are presented for a 0.5 m square, tensioned membrane. The membrane is subjected to symmetric and asymmetric mechanical loading. Data are also presented for a symmetrically loaded membrane subjected to spot heating in the center. The numerical model shows good agreement with the experiment for wrinkle angle data. There is. also reasonable agreement for the wrinkled area for both isothermal and elevated temperature tests.
Document information
The Effect of Asymmetric Mechanical and Thermal Loading on Membrane Wrinkling
AIAA Structural Dynamics and Materials Conference (SDM) ; 2002 ; Denver, CO, United States
2002-01-01
Preprint
No indication
English
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