Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
-
Help Required for Free-Free Modal Run
Hello everyone, I have ran into an issue which I have not experienced before while performing a free-free check. I am wondering if this is an indication of a deeper problem or is it something that I should not worry about. The project is a modification of an OEM aircraft. So, we were able to...- P2FModder
- Thread
- Replies: 5
- Forum: Aircraft engineering
-
Built-in Stress Effects on Fatigue Spectrum
Hi there, I have a generic question. I have fatigue stresses for a particular aircraft which is derived by scaling "Reference Stresses" from FEM with spectrum factors (S_fat = S_ref x factor). Both of which were provided by the aircraft OEM. The scaled stresses are then used for fatigue and...- P2FModder
- Thread
- Replies: 4
- Forum: Aircraft engineering
-
Skin Buckling and Stringer IDT
Hello there, First time poster but been reading the forum for sometime now. I would like to pick the expert's mind regarding Bruhn's methodology when it comes to skin buckling and stringer IDT. I have read the bruhn a few times regarding the IDT phenomena and I have not been able to find a...- P2FModder
- Thread
- Replies: 1
- Forum: Aircraft engineering
