Let's Analyze an Airplane Wing! (Discussion and FEA with FEMAP)

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Let's Analyze an Airplane Wing! (Discussion and FEA with FEMAP)

Рет қаралды 14,601

Күн бұрын

Hello! Today we are going to be doing a discussion and FEA analysis (FEMAP/NASTRAN) of an airplane wing, particularly a stressed skin wing design in a small aircraft like that of a Cessna 172! Like in my other videos, this video is split up into 3 phases, the first is a discussion to understand wing structures, the second focuses on the CAD I did to prep for the FEA, and the final and longest part goes through the creation of the FEA model from scratch using FEMAP with NASTRAN!
Here's a link to the previous analysis video:
Let's Analyze the Lunar Module Ascent Fuel Tank! (Discussion and FEA with FEMAP)
• Let's Analyze the Luna...
This isn't a FEMAP tutorial per se, however I do show every click and button so if you download the program (there's a student license available, see below) and follow along you should be able to recreate this without a ton of prior experience. FEMAP is pretty common in the aerospace industry so it's a good skill to have!
-- Timestamps --
00:00 Intro
03:16 Understanding and Documentation
26:12 CAD Overview (Fusion 360)
41:56 FEA Model Creation (FEMAP)
1:48:52 Analyzing Results
FEMAP and Fusion 360 links:
www.plm.automa...
www.autodesk.c...

Пікірлер: 26

@davidwoodward6112 10 ай бұрын

I'm building a Vans RV-10 and the insight into the how and why these structures are interlinked and the stresses measured was fascinating. Thanks for sharing this!

@naldofrasco1467 Жыл бұрын

Thank you so much for sharing your knowledge. The tips, tricks, shortcuts and best practices you show us here are really appreciated and I am sure will be referenced by others for many years. Looking forward to your next video. I watched the entire tutorial and keen on working again with Femap. Last time I tried it was when it was embedded in MSC Nastran for Windows (~1998). Would love if you could share this 3D geometry in a link. If possible, I would like to propose a further tutorial using this model, since you have already set it up: 1. Include contacts between skin and ribs, stringers (even if it's just glued i.e. linear contact) 2. Modal analysis 3. Inset any solid model bracket at the root of the wing and connect shell elements at the root to some solid elements 4. Increase the load until some section of the wing's material just reaches yield and do a non-linear analysis Always appreciated and thankful.

@airandspaceanalysis1561 Жыл бұрын

Thank you for the comment! I can definitely do a video on those topics in the future

@mohhammadscharifie5059 3 ай бұрын

bro your doing great , hope you happiness and good luck

@Wilmsr 10 ай бұрын

This is great! Are you planning on doing more of these videos? I would love to see more. Composites aircraft videos would be cool.

@carolinaandrey2173 Жыл бұрын

Great video. Keep them coming!

@marceloenciso6665 3 ай бұрын

amazing video! please do more!

@kudacuda4350 10 ай бұрын

this video has a lot of insight into aerospace engineering pliz pliz share more content

@georgeaziz2372 Жыл бұрын

That is amazing thank you so much please we want more please 🙏 please 🙏 please more

@temoorahmed233 Жыл бұрын

Really appreciate the video!!! Can you please share the CAD model, as it would be of great help?

@1billionidea 2 ай бұрын

hello!Really liked your video,everything was detailed and possible to understand.Is there a possibity to try to wrk with your cae model by myself?Will be really glad if you may send the model)

@renzomiguelsalcedopajuelo7910 5 ай бұрын

amazing video!!!

@atg197 7 ай бұрын

Thank you for making this video. Can this program model anisotropic materials such as a solid spruce spar or three layer 1/16" mahogany plywood at 45 degrees to the span for skins? And how are glued joints modeled? My spar is solid douglas fir; all ribs are truss type bent 1/4 x 1/2" douglas fir, skins are 0.105" mahogany on the 45, epoxied down to ribs on 6" centers. Typical strut braced high wing monoplane. Trying to model the contribution of the skin as it buckles is challenging; the wings are already fabricated and I need to know whether to stiffen the skins a bit with some uni carbon on the outside. Appreciate your effort presenting this level of detail. It is fantastic.

@fixielover77 Жыл бұрын

What will happen if you just defined the thickness before exporting into FEMAP? I'm using solidworks to model my wing. Love the video! This is helping me with my senior design project so far.

@yahatube4010 4 ай бұрын

that is also my question but i did it with surface in solidworks and it works

@naldofrasco1467 4 ай бұрын

I wish there were more videos

@PuFFehWuFFEh 3 ай бұрын

Hey. To model your general fasteners as CBUSH elements, my mentor was telling me he uses DOF springs, with Huth or Douglass stiffnesses for all the directions. Your Spring/Damper element type in this version of FEMAP looks similar to what menu I normally look at.. What’s the difference? Cheers, Great video!

@ismailzambakci 4 ай бұрын

First of all thank you for this resource but why don't you separate the face into upper, lower and leading face as in real situation? Is there any advantage or disadvantage?

@TheCarGuy0 7 ай бұрын

Fucking Legendary!

@David-if2jz Жыл бұрын

anyone watching this video probably knows how a stressed skin aircraft wing is built, please dont waste time explaining that get on the the stress analysis please.

@davidwoodward6112 10 ай бұрын

I'm the exception. I'm building an Vans RV-10 and this provides so much insight into why these aircraft are built the way they are.

@atg197 7 ай бұрын

This is completely untrue. I am building a stressed skin wing entirely out of wood. There are no fasteners and the materials are anisotropic. The construction methods are obviously critical in determining how the components are fastened and how that is modeled in FEMAP