Moment Distribution Method Example 1 (1/2) - Structural Analysis

Introductory example problem applying the moment distribution method on a statically indeterminate beam. This is a good place to start if you have never applied the moment distribution method for structural analysis.
Part 1 demonstrates the application of the moment distribution method in detail.
Part 2 shows you how to draw shear and moment diagrams once you have determined the member end moments.

Пікірлер: 205

  • @PK-zo8lx
    @PK-zo8lx7 жыл бұрын

    I can't believe how easier it is for the newer generations of engineering students to learn these concepts. When I was in University in the late 80s we had very limited (dial-up !!) Internet and certainly no KZread. We had to haul our a%% in the campus library, dig through pages and pages of other books (in addition to our textbooks) , find material that was better explained than our prof would explain, find coins to insert in the photocopying machines (most engineering textbooks were 4" thick and hence heavy!) and photocopy relevant material. Now one can search 24/7 online to find solved examples that are well explained (such as structurefree does!)....... Well done sir !! Then again, generations before mine used slide rules to design skyscrapers, so I shouldn't be complaining. To those of you that are studying engineering, it is a rough, tough and long road but well worth it. Tough it out; work and study hard and at the end it will pay off. Apologies for the long post. Keep up the great work you do 'structurefree" !!

  • @robbiegolds1234

    @robbiegolds1234

    5 жыл бұрын

    To be or not to be.... that is the question

  • @Josh-zk7pf

    @Josh-zk7pf

    4 жыл бұрын

    so true man. I acknowledge how super lucky i am. Don't think i could've been an engineer if it weren't for youtube. KZread has taught me everything for maths, I taught myself calculus watching youtube videos, all the way from even before precalc. you're very right, we have it much much easier. and i'm so thankful for it, because it gives me the opportunity to become actually try and become an engineer whereas otherwise the odds would've been stacked against me, such as in your times. It's much easier now but it's still very hard nonetheless.

  • @TheMrgoodmanners

    @TheMrgoodmanners

    4 жыл бұрын

    The good thing with you guys is that you learnt more by going thru that

  • @MOATHALSHIBLIvfx

    @MOATHALSHIBLIvfx

    4 жыл бұрын

    @@TheMrgoodmanners 100% true Yes we use KZread to learn.. But we still weak..

  • @nechirvansadon8501

    @nechirvansadon8501

    4 жыл бұрын

    hours of searching making you never forget it, and you learn much more by searching.

  • @GenaEnSamIAm
    @GenaEnSamIAm8 жыл бұрын

    Dood, you have no idea how popular you are! The amount of people you are helping is crazy! Thanks for making your mark in engineering education!

  • @structurefree

    @structurefree

    8 жыл бұрын

    +Eugene Smith Thank you for the kind words and your support!

  • @assaultedpeanut9
    @assaultedpeanut910 жыл бұрын

    Someone give this guy a medal

  • @structurefree

    @structurefree

    10 жыл бұрын

    bling, bling.

  • @structurefree
    @structurefree10 жыл бұрын

    A very detailed introductory example applying the moment distribution method. This is a good place to start if you have not seen the mdm method applied or need a refresher.

  • @andrewyu4314

    @andrewyu4314

    7 жыл бұрын

    I thought you said MDMA, if you know what i mean lmao.

  • @tysongill99
    @tysongill992 жыл бұрын

    I wanted to extend a personal thank you for this video. I'm studying for the October PE exam and a question on a practice exam asked to solve for a reaction using this method. Never heard of it, let alone used it. This video saved me what would have been days maybe weeks worth of time trying to study and understand this method from a book or online source that probably would have taken me days to find in the first place. Absolutely brilliantly explained, clear, concise, excellently done!

  • @Structural_analysis

    @Structural_analysis

    2 жыл бұрын

    Complete lecture on moment distribution for beginnerskzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @structurefree
    @structurefree10 жыл бұрын

    thanks for the kind words and comment about units. I try to do both sets of units since I teach in the U.S. and the structural design codes are primarily in the FPS system with conversions to SI.

  • @emmanuelmsafiri4961
    @emmanuelmsafiri49618 жыл бұрын

    OMG...., you just don't know how you are amazingly supportive comrade, you deserve lots of gratitudes for real, from Tanzania may God bless you here on Earth and in heaven!

  • @amandadube156
    @amandadube1566 жыл бұрын

    You just did a better job of teaching me this than my professor did with 3 hours of class time and 6 homework problems. Thank you sir!

  • @umutseferoglu159
    @umutseferoglu1595 жыл бұрын

    This is the best distribution method video on youtube; i have ever seen!

  • @warsatan23
    @warsatan2310 жыл бұрын

    Thank you so much for all the videos. I'm taking the FE exam after been out of school for 5 years, and all this info is very helpful. You're the man..

  • @comffy67
    @comffy673 жыл бұрын

    You are the GOAT of Civil Engineering!! I can't tell you how many times you saved my grades, I just love your work!!! God bless you!

  • @Structural_analysis

    @Structural_analysis

    2 жыл бұрын

    Complete lecture on moment distribution for beginnerskzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @abumaalik9272
    @abumaalik92724 жыл бұрын

    Watching this in 2019, excellent explanation!

  • @christellekalala
    @christellekalala3 жыл бұрын

    This is the best explanation I’ve come across on this topic. Thank you so much

  • @structurefree

    @structurefree

    3 жыл бұрын

    Thank you for the kind words!

  • @bobbyrwilliams89
    @bobbyrwilliams8910 жыл бұрын

    I'll be taking my final in this course next week, and it looks like I'm home free. I couldn't have passed this class without your videos.

  • @structurefree

    @structurefree

    10 жыл бұрын

    I hope your exam goes well and you end up doing better than passing!!

  • @poisatitionWowaik
    @poisatitionWowaik4 жыл бұрын

    Thank you so much. Finally, I've got it . It's very useful before my examination. Simple description and understand easily.

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    Learn moment distribution method (Non sway) kzread.info/dash/bejne/pH1t08Osla-XotY.html Learn moment distribution method with sway kzread.info/dash/bejne/hKCetamDeNnaY6Q.html

  • @collum2012
    @collum20129 жыл бұрын

    Thank you! Very very useful. I was lost until I found this...

  • @yalcinhrt
    @yalcinhrt8 жыл бұрын

    You are my best teacher ever!!!! You are amazing , I love you

  • @enzobettonibortolotti6723
    @enzobettonibortolotti67236 жыл бұрын

    My mother language is not english.. And I congratulate you how you can articulate very well.. Good lesson.. If you make more videos about Method of Hardy Cross.. We will apreciate. Thanks

  • @structurefree
    @structurefree10 жыл бұрын

    k=3EI/L is used when the beam has a pin/roller on the free end or where the beam structure terminates. In this example, the roller is supporting the continuous beam and a moment can be carried across the beam at the support. See the moment distribution method example 3 video, it has a beam segment that uses k=3EI/L.

  • @RicKohJeh
    @RicKohJeh6 жыл бұрын

    Thank you, sir! You've helped me to understand it easier

  • @cocoscorner6365
    @cocoscorner63658 жыл бұрын

    Without your videos i can fail my exams and with your videos i will not fail but also i will get a good mark, thanks very much!

  • @Nour-lq3in
    @Nour-lq3in9 жыл бұрын

    truly thankful ur the best im goooona pass the exam tmorw :)

  • @HMH500
    @HMH5005 жыл бұрын

    Life saver. Thank you my man, thank you.

  • @errorali39
    @errorali399 жыл бұрын

    Thank you very much, you are amazing, I have used your videos for 4 of my courses, I hope I can return this favor to you somehow some day !!!

  • @vincentmichaelg.sauler4514
    @vincentmichaelg.sauler45144 жыл бұрын

    Bro!!! I just wanna say thank you for this! 😊

  • @tokiniainaricky8588
    @tokiniainaricky85886 жыл бұрын

    very nice explanation. Thank you. Btw, what software are you using for the writing stuff?

  • @shotasturua5041
    @shotasturua50412 жыл бұрын

    Best explanation i have seen so far

  • @hebronferrier9101
    @hebronferrier91012 жыл бұрын

    Amazing work. The cleanest and videos explaining engineering concepts and processes. This helped me a ton. Thanks, thanks.

  • @ericstone213
    @ericstone213 Жыл бұрын

    You are the apple to my structure analysis

  • @AlexRodriguez-lk1jy
    @AlexRodriguez-lk1jy5 жыл бұрын

    Hey bro, not sure if you have a video on the stiffness method but if you don't, you should definitely make one! Love the channel, keep up the great work!

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    kzread.info/dash/bejne/eKB4pM-Gc9W6nrg.html

  • @malyzaeslic8734
    @malyzaeslic87345 жыл бұрын

    Thank you so much for this! This is really helpful

  • @vaca493
    @vaca4933 жыл бұрын

    You are the best bro, you have help me pass a lot of exams. Greetings

  • @Structural_analysis

    @Structural_analysis

    2 жыл бұрын

    Complete lecture on moment distribution for beginnerskzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @haotaihuang5592
    @haotaihuang55927 жыл бұрын

    When you calculate (FEM)AB, why you use w in (k/ft) and l^2 in inch?

  • @vandanaenjeti
    @vandanaenjeti6 жыл бұрын

    Sir, Thanks for all your videos.

  • @btoombstertriesyt6532
    @btoombstertriesyt65322 жыл бұрын

    This video still kicks ass 9 yrs later

  • @manpd7881
    @manpd78817 жыл бұрын

    very helpfull... thnk god i found your channl

  • @stephanielao6557
    @stephanielao65573 жыл бұрын

    i was so confused about this method when I first learnt it but now I understand everything

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    kzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @Structural_analysis

    @Structural_analysis

    2 жыл бұрын

    Complete lecture on moment distribution for beginnerskzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @uthmanboray8066
    @uthmanboray80662 жыл бұрын

    Oh man you're so helpful,thank you.

  • @adexfunkyadex2337
    @adexfunkyadex23373 жыл бұрын

    Best channel ever no cap

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    Complete lecture on moment distribution for beginners kzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @laurenbraun929
    @laurenbraun9298 жыл бұрын

    Thank you for these amazing videos! I only wish I would have found them a year ago.

  • @structurefree

    @structurefree

    8 жыл бұрын

    Fo sho.

  • @ellezirescabusa7468
    @ellezirescabusa74686 жыл бұрын

    Thank you sir! Please also include a video about moment distribution method on frames with sidesway.

  • @johnmurphy9286
    @johnmurphy92867 жыл бұрын

    Hi Structure: I was wondering why your Carry Over for both parts of Joint B are 0 after 1 iteration? Im trying to teach myself this method and I cant figure this part out.

  • @elijahtamba4943
    @elijahtamba49437 жыл бұрын

    this is really helpful, thanks.

  • @joeljoy5472
    @joeljoy54727 жыл бұрын

    thanks so much buddy..helps a lot...done beautifully

  • @Lahiru_Dabare
    @Lahiru_Dabare9 жыл бұрын

    thank you sir you are great....i recommend to to watch this video

  • @emeleeavila5049
    @emeleeavila50492 жыл бұрын

    Very good and funny videos bring a great sense of entertainment!

  • @TheAsterix909
    @TheAsterix90910 жыл бұрын

    Please add an example for a structure with an overhang. Very interesting and quick review thanks

  • @abioyetimilehin8654
    @abioyetimilehin86546 жыл бұрын

    Pls I want to know d name of the application u used for your workings

  • @structuralanalysis2790
    @structuralanalysis27908 жыл бұрын

    Do you know you can find reaction @ A,B, and C;Plus Moment @ A, and C with a size matrix ?

  • @IanbestSmith
    @IanbestSmith3 жыл бұрын

    Bro, I have understood things I havent been able to understand since year one in 15 minutes

  • @structurefree

    @structurefree

    3 жыл бұрын

    Wow, best 15 minutes ever?!

  • @IanbestSmith

    @IanbestSmith

    3 жыл бұрын

    @@structurefree The best ever

  • @alexandredamours2797
    @alexandredamours27978 жыл бұрын

    Is the carry over factor always 0.5? How do you know what value to use for the carry over factor? Thanks for the great vid!

  • @fatmafm31
    @fatmafm319 жыл бұрын

    Im your biggest fan of your brain in the arab world lol U really help me Plz pray for me tomorrow is my first midterm exam in this subject 😭

  • @intanmaharani8
    @intanmaharani84 жыл бұрын

    Thank u so much for thisss😊😊😊it’s very helpful

  • @vinzjosephdongao781
    @vinzjosephdongao78110 жыл бұрын

    good job bro. thank you so much.

  • @peymannamdar
    @peymannamdar8 жыл бұрын

    thanks alot structurefree , but where is BMD? The second part is from other question?

  • @eazuber
    @eazuber8 жыл бұрын

    God bless you.

  • @structurefree

    @structurefree

    8 жыл бұрын

    Amen.

  • @justaddwater24
    @justaddwater2410 жыл бұрын

    Hey structure free. I love your videos it helps me a lot in civil. However could you please you do your units in the metric system. I think most countries use those units now and are more universally adopted

  • @vgambie
    @vgambie7 жыл бұрын

    Hey mate. Your videos really help all of us. They are probably the only thing that ensures we pass uni. And by "we", I mean the entire cohort of engineers every year. Appreciate it. We just don't understand, in this instance, how you got the zeros in the purple line at joint B. Could you please clarify?

  • @marlam5478

    @marlam5478

    6 жыл бұрын

    If you add the moments on each side of the joint B ( 52.083-3.456=48.627 and -40-8.627=-48.627) are equal. that means are balanced and you don't need to apply again the distribution factor. The iteration process finish when you get moment equilibrium at interior supports. better later than never :)

  • @bradvincent2586

    @bradvincent2586

    3 жыл бұрын

    @@marlam5478 Okay, can you still try to reexplain this? I don't understand. My professor kept doing the iterations until the distributions were negligible and small. What happens if you have seven iterations, do you have to keep adding up both sides of the joint til you figure out if they are even?

  • @kezukivalentine5071
    @kezukivalentine50712 жыл бұрын

    Thanks Soo much for clearing this up for me it was really bothering me with the carry over

  • @Structural_analysis

    @Structural_analysis

    2 жыл бұрын

    Complete lecture on moment distribution for beginnerskzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @tashahuei9760
    @tashahuei97604 жыл бұрын

    If let's say Joint B to C had rollers or pins as the supports, would the stiffness (K) for Kbc=Kcb be 3EI/L or 4EI/L and why?

  • @luciana.mungai
    @luciana.mungai2 жыл бұрын

    thanks alot for the vedio its very helpful to civil engineering student in kenya

  • @Structural_analysis

    @Structural_analysis

    2 жыл бұрын

    Complete lecture on moment distribution for beginnerskzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @TheTwigz19
    @TheTwigz195 жыл бұрын

    I have a problem similar to this except for balancing the moment at B I have 38.4 and 40. My Mbal=1.6 but would it be 1.6 going the other direction and would my sign change? hopefully i explained this correctly

  • @jasonluvxoxo2870
    @jasonluvxoxo28702 ай бұрын

    In the last row of the table in joint BA and BC part how did the values become zero?

  • @leoleosen3261
    @leoleosen32615 жыл бұрын

    Thanks for the lecture, the only problem for me is to convert KN/m to K/ft and in^4 to mm^4 for, we use (m) in north Europe.

  • @parupalliphilip8512
    @parupalliphilip85129 жыл бұрын

    you are very helpful...

  • @chacuabo6587
    @chacuabo65876 жыл бұрын

    hope you would also post example using three moment equation

  • @BY-sh6gt
    @BY-sh6gt4 жыл бұрын

    What if I have a distributed load and the same inertia across the beam? How can I get the coefficients

  • @Kuldeepkumar-ny2up
    @Kuldeepkumar-ny2up6 жыл бұрын

    sir , while calculating member stiffness how did you get 12 at the denominator.

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    kzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @mainakray538
    @mainakray5387 жыл бұрын

    sir it was very helpful ,application oriented please upload matrix method of truss and frame analysis by matrix method please upload

  • @emasuruli
    @emasuruli9 жыл бұрын

    you are the best :)

  • @jeremysquires4472
    @jeremysquires44722 жыл бұрын

    When you drew member B, why were the moments opposite in sign convention to those drawn in your table? Im just trying to keep it all straight in my head, thx for your videos, taking FE soon.

  • @A1B03
    @A1B033 ай бұрын

    Bruh my english is my second language and I understand you Thank you🎉

  • @structurefree

    @structurefree

    3 ай бұрын

    Bruh...structural analysis for all!

  • @eng.hasi_na
    @eng.hasi_na3 жыл бұрын

    Thanq So much Was really Helpful

  • @ansahnanabenyi9635
    @ansahnanabenyi96358 жыл бұрын

    I LOVE YOUR VIDEOS

  • @structurefree

    @structurefree

    8 жыл бұрын

    +ANSAH NANA BENYI thank you. #loveincapitalletters

  • @Mernachicaloca
    @Mernachicaloca5 жыл бұрын

    You sound like Dave Franco so it makes learning 100x easier 😍

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    Learn moment distribution method (Non sway) kzread.info/dash/bejne/pH1t08Osla-XotY.html Learn moment distribution method with sway kzread.info/dash/bejne/hKCetamDeNnaY6Q.html

  • @aliabdo7738
    @aliabdo77389 жыл бұрын

    Hello..that was agood jop thanks for sharing 'can u do an example for redistribution moment!

  • @bedokhalil4203
    @bedokhalil42039 жыл бұрын

    Excellent!

  • @anthonyngadimin7491
    @anthonyngadimin74914 жыл бұрын

    I'm not sure if it was discussed in previous videos - how do we determine the K value to begin with?

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    Learn moment distribution method (Non sway) kzread.info/dash/bejne/pH1t08Osla-XotY.html Learn moment distribution method with sway kzread.info/dash/bejne/hKCetamDeNnaY6Q.html

  • @aboodalhmouz3917
    @aboodalhmouz39177 жыл бұрын

    You are the best

  • @ianwebber412
    @ianwebber4129 жыл бұрын

    how did you get the zero's at BA and BC?

  • @folth9739

    @folth9739

    6 жыл бұрын

    it is default right?

  • @oscareulatic2964

    @oscareulatic2964

    6 жыл бұрын

    It is a fixed support it absorb all the moments so the DF is zero.. If the end is roller or pinned support the DF is 1.

  • @MrJoeker88
    @MrJoeker8810 жыл бұрын

    What would be DFab if there were a pin joint in A?

  • @iRockNRolla28
    @iRockNRolla2810 жыл бұрын

    Thanks for the awesome vids :) But for the member stiffness shouldn't it be k=3EI/L, because it's a cantilever to pin/roller? I'm confused.

  • @HamzaHossaintheKahaniBaaz

    @HamzaHossaintheKahaniBaaz

    2 жыл бұрын

    Far end is fix=) 4EI/L Far end is pinned=) 3EI/L

  • @inlovewithjiyong4241
    @inlovewithjiyong42418 жыл бұрын

    Deadpool is that you?

  • @cl12760
    @cl1276010 жыл бұрын

    thank you! much help! much wow

  • @structurefree

    @structurefree

    10 жыл бұрын

    mo wo-wizzle.

  • @PhaNiGubbalaSSS
    @PhaNiGubbalaSSS7 жыл бұрын

    in the carry over row, how did you get the zero's at BA and BC?

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    kzread.info/dash/bejne/pH1t08Osla-XotY.html

  • @oguzcemdemirci9607
    @oguzcemdemirci96072 жыл бұрын

    Why didn't we take 25 directly instead of L when calculating stifness? why did we make 25x12?

  • @blissfulimperfect
    @blissfulimperfect10 жыл бұрын

    thank you so much ! very helpful especially when you have a terrible professor!

  • @yuio0p
    @yuio0p9 жыл бұрын

    you are the best

  • @muralimanoj8748
    @muralimanoj87487 жыл бұрын

    Would be great if you do this for frame and portal frame and also multi storey frames..

  • @mahmoudfadle3631
    @mahmoudfadle36314 жыл бұрын

    Really Great work keep it up

  • @mahmoudfadle3631

    @mahmoudfadle3631

    4 жыл бұрын

    Could you please Attach the solution steps as a PDF or maybe any other format that can be used as a hard copy Reference . Because really i haven`t seen any one illustrating the Moment.D.Method in that simple easy to understand way . and thanks again you are really great

  • @niteshparihar5148
    @niteshparihar514810 жыл бұрын

    good work.....

  • @md.aminulislam3303
    @md.aminulislam33033 жыл бұрын

    Very helpful

  • @salinshrestha6976
    @salinshrestha69764 жыл бұрын

    What is the spftware you are using to write..

  • @abouteverything9180
    @abouteverything91807 жыл бұрын

    thanks for the help i have a small dought thanks man

  • @ehmcheng
    @ehmcheng9 жыл бұрын

    at 14:15, why is the distributed moment 0 and 0 at B?

  • @whatsuyy
    @whatsuyy4 жыл бұрын

    TERIMAKASIH SANGAT BERMANFAAT DAN MEMBANTU !!!!

  • @anthonyelenga8939
    @anthonyelenga89395 жыл бұрын

    Can you please make this video with metric units ? These imperial units are a bit confusing, thanks. And great job

  • @Catloverss95

    @Catloverss95

    2 жыл бұрын

    Learn moment distribution method (Non sway) kzread.info/dash/bejne/pH1t08Osla-XotY.html Learn moment distribution method with sway kzread.info/dash/bejne/hKCetamDeNnaY6Q.html

  • @pratikkumarroy9280
    @pratikkumarroy92809 жыл бұрын

    too helpful .. thank u very much sir .....

  • @JamaicanHobbyRunner
    @JamaicanHobbyRunner Жыл бұрын

    What software do you use for writing in your videos?

  • @wambuikarubi2462
    @wambuikarubi24625 жыл бұрын

    Thankyou !!!