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Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
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Abaqus VS Patran/Nastran for Tsai Wu
Also ensure your Abaqus element type matches the Nastran integration order, it must be equivalent to the CQUAD/CTRIA Nastran Mindlin to get equivalent results. It's wise to test mesh resolution sensitivity before bouncing between solvers. A too-coarse mesh can result in hourglassing even under...- zgzomb
- Post #9
- Forum: Composite engineering
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Bladder Moulding
Sounds similar to the hollow stringer cavities on current composite commercial a/c shells (e.g. 787) which trap inflatable elastomer bladders between interior vacuum bags with exterior cauls. Scrap rates are very low. It is a good practice used with autoclave, but out of autoclave will be more...- zgzomb
- Post #2
- Forum: Composite engineering
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Composite Spray Booms for Helicopter
Do you have a curing oven and a good vacuum source available? Cytec's PRISM EP2400 is a newer low-cost one-component worth considering, call Cytec or check http://www.cem-prism.com/. Be very careful if you go with a wet hand layup with any resin as it will likely result in the worst quality...- zgzomb
- Post #4
- Forum: Composite engineering
