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411
2
1 Geometry
1 Mesh
1 Simulation setup
10 ResultsTrying to apply some FEA methods to an airship envelope. This envelope is symmetrical front to back and side to side so I have only drawn a quarter of the envelope and will use symmetry planes. The envelope is made out of 76 micron PET plastic film. I would like to analyse envelope shape and stresses with 3.5x10-4 MPa gauge pressure inside it using air, helium and hydrogen as the internal gas (air at STP will be the gas outside the envelope). I am hoping that there will be a way to account for the shape and stresses in the fabric that takes into account even the weight of the fabric itself.
by slilbaekslilbaek
DaleKramer created this project
over 7 years ago
1 Geometry 1 Mesh 1 Simulation setup 10 ResultsTrying to apply some FEA methods to an airship envelope. This envelope is symmetrical front to back and side to side so I have only drawn a quarter of the envelope and will use symmetry planes. The envelope is made out of 76 micron PET plastic film. I would like to analyse envelope shape and stresses with 3.5x10-4 MPa gauge pressure inside it using air, helium and hydrogen as the internal gas (air at STP will be the gas outside the envelope). I am hoping that there will be a way to account for the shape and stresses in the fabric that takes into account even the weight of the fabric itself.
