Method of Virtual Work - Structural Analysis

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  • Опубліковано 6 лют 2025
  • Brief explanation of the principle of virtual work and a description of the process to calculate deflections in structures using the method of virtual work (aka, the unit load or unit force method)

КОМЕНТАРІ • 115

  • @1SSJA
    @1SSJA 3 місяці тому +7

    11 years, and I still come back to your vids every time

  • @b1scuits1
    @b1scuits1 2 місяці тому +2

    this video made the basic underlying principle so much clearer than textbooks / lectures. many thanks

  • @jessicas9844
    @jessicas9844 2 роки тому +10

    You explained my 2 hour lectutre in 10 minutes. Thank you for that.

  • @ahmaddaher9746
    @ahmaddaher9746 9 років тому +3

    anonymity can't be acting the way you do, since humanity didn't!
    it's just THANK YOU.

  • @MerhawitDebessai
    @MerhawitDebessai 10 років тому +1

    I am from Norway and your videos have helped me a lot. You are brilliant! What can I say, A million thanks!

  • @hyphaesgrasp
    @hyphaesgrasp 10 років тому +18

    I'm a civil engineering student, and you're hilarious and soooo helpful! :) You're just the best

  • @Almoflihun
    @Almoflihun 12 років тому +6

    I'm in love with your lectures!!!

  • @SudeÖztürk-i6g
    @SudeÖztürk-i6g Рік тому

    all the way from turkey, you are better than my proffessor. ( i study in best architecture school in my country )
    KRALSIN KRALLLL ADAMIN DİBİ

  • @nickma999
    @nickma999 9 років тому +4

    Thanks for clearing this up, I may pass my mechanics of materials exam now. :)

  • @tmcdgreen
    @tmcdgreen 10 років тому +5

    'Structure fo rizzle'...you are awesome dude! :)

    • @structurefree
      @structurefree  10 років тому +8

      tmcdgreen fo sho....ball so hard, mofos wanna fine me.

  • @angelomonopoliroca523
    @angelomonopoliroca523 5 років тому +5

    U a boss! thanks for making everything fun useful and with a decent accent! respect!

  • @structurefree
    @structurefree  11 років тому +2

    Yes. check out the "mechanics" or "structural analysis" playlist.

  • @Sarah-vg4ml
    @Sarah-vg4ml 8 років тому +4

    Thanks for this! I'm definitely bookmarking your videos now to get me through my mechanics courses :)

  • @nourshaaban7292
    @nourshaaban7292 8 років тому +33

    structurefree, saving my ass from the midterms once again.

  • @piecemaker9946
    @piecemaker9946 3 роки тому +1

    This is not underrated its popular

  • @thomasbyrne1389
    @thomasbyrne1389 3 роки тому +1

    This is HUGE, Thank You.

  • @ruebina7170
    @ruebina7170 12 років тому

    Kudos for a very simple explanation. Was looking for this.

  • @perpetututuator
    @perpetututuator 7 років тому +1

    one of my favourite video of yours.

  • @Allvanify
    @Allvanify 12 років тому +1

    Excellent presentation - I'm looking forward to seeing some examples on Virtual Work method for beams.

  • @albertnewton8296
    @albertnewton8296 7 місяців тому +1

    Watching this the night before my structures exam
    Wish me luck lol

  • @alicitobalongoy2294
    @alicitobalongoy2294 4 роки тому +1

    Structure free I love you from Philippines!!!

  • @aldojansel9439
    @aldojansel9439 5 років тому +16

    when are you going to reveal your face? you're the most fleeting super hero out there.

  • @prernasharma1817
    @prernasharma1817 9 років тому +6

    you teaching way is too good and funny..... thank you !!

  • @muhammadusmanzafar6491
    @muhammadusmanzafar6491 7 років тому +1

    that is a very good video and a helpful one

  • @mertturan4577
    @mertturan4577 9 років тому +1

    Great video as always! Thanks you very much

  • @alirezamirefzali7273
    @alirezamirefzali7273 4 роки тому +1

    Your explanation was perfect. Thanks.
    I'm a civil engineering student and was wondering if you would also do explaining for Fluid mechanics

    • @structurefree
      @structurefree  4 роки тому +4

      Ahhhh fluid mechanics... The second most important engineering class.... imo

  • @blackvvideo691
    @blackvvideo691 11 місяців тому +2

    Thank you 🙏🏻 SO helpful

  • @jchanel986
    @jchanel986 4 роки тому +1

    Really clear sir

  • @digvijaysingh3481
    @digvijaysingh3481 9 років тому +5

    Sir u r the best.......Can u please share the castigliano's first theorem

  • @tianyachen9683
    @tianyachen9683 9 років тому +2

    thanks u so much!!!you explained clearly with representative examples.
    plz...can you add some video about external wind or snow loading???

    • @structurefree
      @structurefree  9 років тому

      Thanks. If you want to learn about loading, I would recommend getting a copy of ASCE 7.

  • @9BYN
    @9BYN 11 років тому

    Hi from Australia!! Can you pleeeeease add something on moment-area method and the stiffness method asaaap!!! MY EXAMS ARE IN 3 WEEKS AND MY LECTURER SUCKSSS! Your videos are awesome, only thing getting me through this! keep up the good work

  • @graceyamaguchi75
    @graceyamaguchi75 4 роки тому +1

    THANK YOU SO MUCH AND I LIKE YOUR TEACHING IT'S FUNNY I THINK IT'S YOUR VOICE COOL

  • @dantaz
    @dantaz 12 років тому

    That was very helpful man, it made me have a better overview of this :)

  • @dxpunisher8600
    @dxpunisher8600 8 років тому +1

    thanks a lot for these informations ! it helped me a lot in my study :D thanks

  • @Mpumeleo_K77
    @Mpumeleo_K77 5 років тому

    Very helpful👍

  • @thenoobersaur
    @thenoobersaur 12 років тому

    you are a savior

  • @dd2711
    @dd2711 11 років тому

    thanks so much, your videos are brilliant!

  • @knutsb2094
    @knutsb2094 8 років тому

    Is Virtual work the same method as Castigliano's Theorem, or is that another method?

  • @firasscheme2257
    @firasscheme2257 8 років тому +1

    great work, thanks

  • @wentaofeng5548
    @wentaofeng5548 5 років тому

    Probably not the best time to ask since this video is relatively old. But could you tell me when would be better to use this method instead of double integral?

  • @TheLastXCloud
    @TheLastXCloud 9 років тому +1

    i have the work but i couldn't find the virtual work using vartianoal calculus !! , what should i do ??

  • @davidwahome8473
    @davidwahome8473 3 роки тому +2

    Different Bernoulli to the one in fluids though

  • @HQR000
    @HQR000 4 роки тому

    Can you please do a video on matrix method of structural analysis - flexibililty method? for frames with a udl on the vertical member and point load on the horizontal member specifically? I realised all the books Ive seen only cover matrix method for stiffness method, and literally only go over a brief theory section on flexibility method, its really frustrating

  • @patricknikolaicoronado4255
    @patricknikolaicoronado4255 8 років тому

    Sir, can you make a video about Three Moment Equation please.. I always watch your videos whenever I study at home and I like your teaching technique, I can understand easily the concepts of the topic.. thanks.. :)

  • @martinmartinestradam
    @martinmartinestradam 8 років тому

    i want to do some similar stuff for my classes. what software are you using for these lectures?

  • @charlrrrr7172
    @charlrrrr7172 3 роки тому +1

    structure fo rizzle. love it. ;D

  • @bhavini16
    @bhavini16 11 років тому +1

    Sir, your videos are awesome!! (Y)
    I wanted to know if you have explanations for Strain- energy method?
    thanks! :)

  • @SafiuddinKhaja
    @SafiuddinKhaja 10 років тому +1

    Is there not a difference b/w Virtual work principle and Castigliano's theorem.

    • @structurefree
      @structurefree  10 років тому

      Khaja Safiuddin yes, there is.

    • @SafiuddinKhaja
      @SafiuddinKhaja 10 років тому

      what u explained is castigliano (if i am not wrong).I read it in Timoshenko's book

  • @dylandewilzen1864
    @dylandewilzen1864 5 років тому

    Howzit, just a quick question, would it be possible to do a video on Yield Line Theory using the virtual work method? Ive tried reading some literature on it however its difficult to grasp. Do you possibly have any advice on what books would be the best to study from?
    Thanks for the awesome content!!

  • @eng.jehadalgwanma5645
    @eng.jehadalgwanma5645 9 років тому +1

    thank u soooo much
    u help me to understand

  • @justinlarkins2496
    @justinlarkins2496 4 роки тому +2

    please explain to me how someone on youtube can do a better job at explaining this than what my lecturer can.

  • @MrRobot-vt8gb
    @MrRobot-vt8gb 7 років тому +1

    Thanks dave franco!

    • @structurefree
      @structurefree  7 років тому

      +Walden Lestano sure...why not!? 😎

  • @konataGAMERZ
    @konataGAMERZ 8 років тому +1

    IF I PASS MY EXAM I WILL FIND YOU AFTER I GRADUATE AND REWARD YOU WITH HUGS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • @abdulsamiwardak494
    @abdulsamiwardak494 9 років тому +2

    Hello. I am really struggling with the sfds and bmds of frames which is a barrier for me to solve the deflection at any point of a frame using virtual work method. Also i cant understand when to use that table (that shows what formula to use according to the shape of bmd for real load against virtual load) and when to use the integration formula!

  • @zeryanibrahim5766
    @zeryanibrahim5766 10 років тому

    Hey there i have watched a lot of your videos, and you have helped me out a lot. If its not to much to ask can you do a lecture and a sample problem on matrix analysis i am so lost in that area.
    Thank you :)

  • @Malaari
    @Malaari 12 років тому

    Please, could you do a few examples with this technique?

  • @antm21002100
    @antm21002100 12 років тому

    Are the any videos on the moment-area method?

  • @hulk8889
    @hulk8889 10 років тому +1

    why direciton of the unit force through right?

    • @_sunsor
      @_sunsor 10 років тому

      It is arbitrary. If you called that displacement as being positive to the left instead, whatever calculated deflection you would end up with would switch signs.

  • @Guyincogkneetoe
    @Guyincogkneetoe 9 років тому +4

    Structure fo rizzle. NICE

  • @نورفارس-و7م
    @نورفارس-و7م 8 років тому +2

    you are great ..........thank u :)

    • @structurefree
      @structurefree  8 років тому

      +‫نور فارس‬‎ thank you

    • @نورفارس-و7م
      @نورفارس-و7م 8 років тому

      +structurefree when we find the function of moment please can you tell me if X must start from the point i wont to find displacmen at it or not ?! i hav an exam tomorrow ?!?!

    • @Hothayfah97
      @Hothayfah97 8 років тому

      نور متواجد بالستركشر فري :P

    • @نورفارس-و7م
      @نورفارس-و7م 8 років тому

      نور ايفري وير 😂 Hothayfah asous​

  • @kylepoolman
    @kylepoolman 8 років тому +7

    "structure fo rizzle !"

  • @louiskokee
    @louiskokee 9 років тому +1

    Are you back? :D

  • @floop_the_pigs2840
    @floop_the_pigs2840 2 роки тому +2

    You sound exactly like Khan academy gyy

  • @ThePhanttasm
    @ThePhanttasm 5 років тому +1

    Ok i don't understand why people say this is easier than the moment area method? Seems more complicated.

    • @structurefree
      @structurefree  5 років тому +3

      "there is nothing either good or bad, but thinking makes it so"

    • @numbwamwiinga4449
      @numbwamwiinga4449 5 років тому

      @@structurefree i salute that quote

  • @ferhatdemirel5008
    @ferhatdemirel5008 4 роки тому

    I have question. how. can I send. you ?

  • @xXMcBrennanXx
    @xXMcBrennanXx 10 років тому +2

    structure fo rizzle

  • @hossaface
    @hossaface 8 років тому +1

    cheers

  • @ryanshi1365
    @ryanshi1365 6 років тому +4

    好视频!!!!

  • @frankycrankie
    @frankycrankie 11 років тому

    so P_v equals to 1 right?

    • @structurefree
      @structurefree  11 років тому

      yes when you are looking for displacement. in units of force.

  • @deeptanshukashyap9485
    @deeptanshukashyap9485 7 років тому +1

    you are god!

  • @adamkhairul1
    @adamkhairul1 4 роки тому +1

    Got test in 3 days

  • @tonyezekiel2819
    @tonyezekiel2819 2 роки тому +1

    Bro sounds like Dave Franco

  • @trey2325
    @trey2325 6 років тому +1

    u remind me of Mike E Chen

  • @wackojackgoff
    @wackojackgoff 11 років тому

    curtin?

  • @omarmmahran4181
    @omarmmahran4181 10 років тому +1

    thanxx bro

  • @deyaeldinfadol2570
    @deyaeldinfadol2570 12 років тому

    thanks for great engineer

  • @ngonidzashekimbini7177
    @ngonidzashekimbini7177 3 роки тому +1

    Structure freeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

  • @theengineer-921
    @theengineer-921 6 років тому

    شباب منو يعرف واحد يشرح ع هذا الموضوع بالعربي

  • @CarlosRuiz-kj2wq
    @CarlosRuiz-kj2wq 4 роки тому +1

    structure fo rizzle LMAO

  • @karimkhan1312
    @karimkhan1312 11 років тому

    good good good
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  • @Superhit.12
    @Superhit.12 6 років тому

    hi