stress analysis fundamentals

• May 20, 2021

• #2

Sparweb

Aerospace

May 21, 2003

5,181

CA

Flabel is formatted more like a modern structured course, Bruhn is more like a reference book, so that suggests where you can start, from that point of view.
I am not sure what fundamentals you want to build, so just doing hand-calcs from a textbook may not be the answer.
Assuming that you mean aluminum sheet-metal and riveted/bolted connections most common in 20th-century aircraft production, have you ever driven a rivet?
Have you drilled the hole, matched it to another mating piece, torqued the bolt, and load-tested the assembly to failure?
It's amazing how many engineers haven't done that stuff.

 

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• May 20, 2021

• #3

Ng2020

Aerospace

Nov 6, 2020

209

AU

What kind of structure are you typically working on? (Wing? Fuselage? Control surfaces? Interiors? Landing gear....? ) New design or modifications?

How are your free body diagram skills? How is your familiarity with typical loadpath assumptions?
E.g. try freebody-ing a wing rib. Develop a shear and bending moment plot for it. Where would you take section cuts? How would you orient the section planes? How would you correct for flanges non-orthogonal to the cut plane? What failure modes would you check on the flanges... The web? The stiffeners?

Is that the sort of guidance you're after? Or something else?

 

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• May 20, 2021

• #4

WKTaylor

Well-known member

Sep 24, 2001

4,302

US

I've also found these books by MICHAEL CHUN-YUNG NIU to be quite informative...

Airframe structural design : practical design information and data on aircraft structures

Airframe stress analysis and sizing

Composite airframe structures : practical design information and data

Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]

 

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• May 20, 2021

• #5

rb1957

Aerospace

Apr 15, 2005

16,133

CA

I'd start with your school/college/university texts, like for "Strength of Materials"

another day in paradise, or is paradise one day closer ?

 

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• May 20, 2021

• #6

M

MintJulep

Mechanical

Jun 12, 2003

10,244

JP

You were told that your fundamentals are weak.

Your plan is to strengthen your stress analysis fundamentals knowledge.

Are you sure your plan is aligned with what your seniors are telling you?

 

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• May 20, 2021

• #7

WKTaylor

Well-known member

Sep 24, 2001

4,302

US

Also an odd question: do You get excited about aero stress analysis... or is it just a job?

Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]

 

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• Jun 30, 2021

• #8

WKTaylor

Well-known member

Sep 24, 2001

4,302

US

stressengineer26 went silent pretty fast...

Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]

 

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• Jun 30, 2021

• #9

der8110

New member

Oct 3, 2006

117

US

Probably realized all he/she/ze was going to get was a lengthy list of rhetorical questions, or a printout from an IHS subscription.

 

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• Jun 30, 2021

• #10

Sparweb

Aerospace

May 21, 2003

5,181

CA

Or read the FAQ page.

 

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