Sizano Green I feel that “sponsored by lego” is like “sponsored by TV”, “sponsored by trampolines” or “sponsored by the outside world”. It feels like such a broad thing that is a genre itself, rather than a single company.
1. "How to use little things to keep bigger things under control" sounds like a quote in a mafia-movie 2. You can get SPONSORED BY LEGO, NOW?! I want that sponsorship!!
not me; I've watched at least 100, most of them being reviews by Pawel "Sariel" Kmiec. his channel is in the link. (I hope the youtube algorithm doesn't think I'm spamming) ru-vid.com
I'm actually a structural engineer, and I don't need to know this. There is literally a specific company (or maybe a few) that do this job, and little else. They might give us some parameters we could stick in our model to approximate the effect, but I'm sure they have some specific software for this one task that designs these types of dampers, and all we would get is what forces our building has to withstand from it. They would probably have to work closely with the geotechnical engineer as well, to make sure they approximate the correct type and size of earthquake for that location. This would be really fun to design! Maybe in time.
The use a similar concept in modelling the behaviour of cable nets and tension fabric structures to find the most efficient form and the process is called dynamic relaxation. Specialist Structural Engineering I grant you but its interesting nonetheless
i want to become an architect and I'm studying for it, and this video was very helpful, especially as a person who is currently experiencing scary building vibrations and shaking
As a Structural Engineer this helped me a lot in my designs on steel towers, not only did I minimize the cost I also minimized the size of my structures in high wind load areas, also seeing it at 1:1 scale is really fulfilling
Sub'd, bell rung and liked! Why, because Lego! I've had Lego in my life since I was 4 years old. Helped shape me into who I am today. Been watching your videos for awhile now, thought I'd show some love.
This is, i, this method is used so often everywhere and I didn’t even know or think about something like this I’m so amazed by how small things can help in a big thing literally
I've used Lego in actual engineering projects. I had to do some mechanical engineering, but I drawing stuff was a bit tricky and producing stuff with small tolerances even more so. But Lego has very small tolerances. So I ended up building a sensor with moving parts out of Lego and a couple of electronics hot glued to it.
very cool explanation of how tuned mass dampers work, I new they existed but never realy understood how they stoped buildings from shaking, so thanks for that great video!
Loved it! You can also use CFD, as you briefly shown, to assess design issues such as vortex shedding, galloping and flutter, and make necessary modifications to counter these. The Taipei 101 is a good example, where the original, and simpler, corners were redesigned when a CFD study shown they shed vortices at frequencies close to the natural of the building.
I'm a Lego engineer. I've used Lego in actual engineering projects when I needed a sensor with a couple of moving parts. You can't easily beat Lego's super small tolerances. Those bricks are tiny engineering marvels.
6 лет назад
Yeah, the bricks are accurate to about 1/50th of a mm, depending on the size of the brick of course - insanely small tolerances for molded plastics indeed.
Informational, relevant, simple and most of all, entertaining! I love these kinds of short science videos that keep explanations brief and simplified for the casual RU-vid viewer.
That's a very interesting field of science. The fact, that pendulums are used to stabilize buildings is so interesting. I think I learned something today :) Thanks for the video! Keep up the good work! I will consider buying a LEGO Saturn V.
You've got to be one of the best for showing who's sponsored the video and the fact that you've now how Lego and NASA sponsor videos is amazing. Carry on the good work 😁
Dammit Henry... How can you make such awesome videos with that little time to spend AND MAKING THEM SUCH ENJOYABLE AND SO EASY TO UNDERSTAND!!!!!! I LOVE MINUTEPHYSICS!!!!!
Thumbs up for Lego. I had my Lego bricks in an old biscuit tin. Now, whenever I think about Lego, I hear the sound of my hand raking through the bricks in that tin, looking for the right piece.
In tall buildings to reduce winds pressure on it, they usually design the exterior with specific shape that follows some kind of formula that has more like aerodynamic effect and let's winds to pass the structure more easily.
Damping vs. Dampening: An engineering professor whose course I was taking stressed that the correct term in regards to dampers reducing vibration/oscilation is "damping" and "damps". In his words, "dampening" was when you added moisture. In the years since, I rarely see damping/damps used, almost everyone uses dampening. Every time I hear it I wonder if he was correct.
A Lego-sponsored video? That's so amazing. Also, never knew that's how you keep buildings from shaking. I wonder how many Lego blocks you would need to build a tuned mass damper for the average skyscraper.
I loved building my Lego Saturn V last year. This year, I've added the Lego Apollo Lunar Lander to sit beside the Saturn V... just in time to celebrate the 50th anniversary of the Apollo 11 lunar landing.
The tuned mass damper in Taipei 101 is an absolute beast suspended over a vast giddying space inside the top of the building. Gave me quite a squirmy tummy looking down at that thing
I just bought the same Saturn V model a few weeks ago, and this inspired me to try using a TMD in my own. Hopefully it will help protect the rocket from my clumsy limbs
That building at the end is Taipei 101 and has a pendulum inside it as a mass damper and its mass is 150 tonne. That pendulum can be seen inside the building as it is one of the attractions
10 years ago I attached a bolt on a string inside an air intake cyllinder at work as it kept shaking out of control and eventually come apart, that bolt does exactly as shown in this video and stopped the massive shaking :D
Fun fact: F1 outlawed the tuned mass damper because they considered it a movable aerodynamic device. Even though it was completely by bodywork and not exposed to the air stream. And even though if you make the rotary equivalent with a torsion spring and flywheel its just fine according to the rules.
F1 rules are just stupid at this point (and have been for several years). I would understand the safety considerations, and the horsepower/weight/dimension restrictions, but everything else just punishes innovation. Didn't they even force all the teams to use the same tires?
Brilliant! Two of my favourite subjects, Lego and science. Love the video and I'm already a huuuge fan of Lego. Most of my channel is dedicated to the great brick.
That feel when you did an assignment on this last year, involving a system of trolleys, skyscrapers and pendulums which involved a set of magnets flying off and hitting someone in the eye. Good story
Amazing how MinutePhysics and PracticalEngineering both post a video about swaying systems, and both reference the "Stockbrige Damper" on powerlines, on the same day!
My 50+ year old Monogram 1/144 Saturn V model has been on my bedroom bookshelf for 30+ years and it always rattles when it sways as I walk by it. One night it rattled by itself and woke me up. Then I felt the bed wiggle. The morning news confirmed there had been a small earthquake.
I recently bought this set and suddenly 2 random youtubers that I know(and that had never posted a video with a LEGO) do a video about the Saturn V it in the same month! Coincidences, man
When I was a child, we had Lincoln Logs and Erector kits. Plus Bill Ding, a set of stylized men who could be used to build things, if you had enough imagination.
Another neet thing I've see using spring weights is earthquake resistance under the foundation. You put the entire building on an unfixed foundation so the building can slide back and forth, but the foundation also have a grid pattern of blocks and springs so that the friction of the earth moving under the foundation is lost into this network and the building actually stand rather still. I can't remember what documentaries I saw this on but I know it aired on Science Channel about 8-10 years ago.
The basic idea is correct, and is a simple way to explain the theory to the masses. But it's a way difficult thing to design and calculate with variant sysmic and wind loads.
