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purdueMET
United States
Приєднався 1 гру 2009
This channel is for short videos showing how to solve problems in engineering, engineering technology and math. You can get the information you need quickly through worked examples without having to plow through a dense textbook.
ENGT 509 31-2 ODE Solvers in MATLAB
ODE45 is a great tool for solving ODEs in MATLAB. Here's an example showing two different approached to using it.
Переглядів: 171
Відео
ENGT 509 31-1 ODE Solvers in MATLAB - Intro
Переглядів 2356 місяців тому
MATLAB has some good ODE solvers, but you'll need to understand the big ideas before digging into the syntax. Here's a short, simple intro with the information you'll need.
ENGT 509 30-1 Implicit and Explicit Methods for ODEs
Переглядів 2776 місяців тому
There are two different kinds of finite difference solutions for differential equations, implicit and explicit. Explicit is easier to program, but might not be stable. Implicit is stable, but might require more calculations. Here's an example showing the difference.
ENGT 509 29-2 First and Second Order Systems in MATLAB
Переглядів 1526 місяців тому
First and second order differential equations show up everywhere in both engineering and physics. Here's a short introduction to solving them with MATLAB
ENGT 509 29-1 First and Second Order Systems
Переглядів 2746 місяців тому
Many of the objects and circuits we use are described by 1st and 2nd order differential equations. Here's a simple intro describing how those equations behave.
ENGT 509 28-2 Laplace Transforms in MATLAB and Mathcad Prime
Переглядів 2596 місяців тому
MATLAB has a symbolic Laplace Transform function that can be handy. The syntax is a little involved, but simple and powerful once you learn it. I show some results in Mathcad Prime since it's easier to look at, then switch to MATLAB.
ENGT 509 28-1 Laplace Transforms Intro
Переглядів 2406 місяців тому
Laplace transforms are often used to solve differential equations because they reduce solving a differential equation to just algebra. The best part is that it's not even that hard once you understand the big idea. Very cool.
ENGT 509 27-2 Initial Value Problems in MATLAB
Переглядів 1766 місяців тому
Initial value problems are everywhere in engineering and physics. Here's how to solve an initial value problem based on a rocket accelerating. The solution is based on finite difference, particularly a forward difference.
ENGT 509 27-1 Initial Value Problems Intro
Переглядів 2156 місяців тому
Initial value problems are ones in which you know a starting point. The differential equation dictates the points that follow. I present an example the shows the acceleration of a rocket.
ENGT 509 26-2 Intro to Diff Eqs in MATLAB
Переглядів 2026 місяців тому
MATLAB is a great way to solve differential equations. You can use finite differences or one of the built in solvers.
ENGT 509 26-1 Intro to Differential Equations
Переглядів 2346 місяців тому
Diff eqs are just equations with slopes in them, so the solution to one is a function rather than a number (numbers don't have slopes). All physical laws are expressed as differential equations, so they are important.
ENGT 509 25-6 Laplace Transforms in MATLAB
Переглядів 1567 місяців тому
MATLAB has some very helpful tools for Laplace transforms. This video shows how to do them in MATLAB using the symbolic functions. I also show in Mathcad how the kernel function differs from the Fourier transform.
ENGT 509 25-5 Laplace Transform Intro
Переглядів 1877 місяців тому
This is a simple introduction to Laplace transforms. They are related to Fourier transforms and are very handy for solving differential equations.
ENGT 509 25-4 Fourier Transform in Mathcad and MATLAB
Переглядів 4007 місяців тому
Here's a simple explanation of how to calculate Fourier transforms in Mathcad and MATLAB. I show the results graphically, so the results are clear.
ENGT 509 25-3 Fourier Transform Intro
Переглядів 3027 місяців тому
The Fourier transform is just everywhere in engineering and science. Here's how it is developed from complex Fourier series.
ENGT 509 25-2 Fourier Series in MATLAB
Переглядів 2107 місяців тому
ENGT 509 25-2 Fourier Series in MATLAB
ENGT 509 24-2 Integral Transforms in MATLAB
Переглядів 1537 місяців тому
ENGT 509 24-2 Integral Transforms in MATLAB
ENGT 509 22-2 Machin Like Formulae in MATLAB
Переглядів 1247 місяців тому
ENGT 509 22-2 Machin Like Formulae in MATLAB
ENGT 509 23-1 Vectorizing MATLAB - Intro
Переглядів 1567 місяців тому
ENGT 509 23-1 Vectorizing MATLAB - Intro
ENGT 509 21-2 Calculating Pi in MATLAB
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ENGT 509 21-2 Calculating Pi in MATLAB
ENGT 509 21-1 Algorithms for Calculating Pi
Переглядів 1717 місяців тому
ENGT 509 21-1 Algorithms for Calculating Pi
ENGT 509 20-2 Algorithms in MATLAB - Newton's Method
Переглядів 847 місяців тому
ENGT 509 20-2 Algorithms in MATLAB - Newton's Method
ENGT 509 20-1 Intro to Algorithms - Newton's Method
Переглядів 1467 місяців тому
ENGT 509 20-1 Intro to Algorithms - Newton's Method
ENGT 509 19-2 Infinite Series in MATLAB
Переглядів 1457 місяців тому
ENGT 509 19-2 Infinite Series in MATLAB
ENGT 509 18-2 Functions of Complex Numbers MATLAB
Переглядів 797 місяців тому
ENGT 509 18-2 Functions of Complex Numbers MATLAB
Excellent video
How embarrassing for you to be using units that people who actually make stuff found effective for hundreds of years before moving decimal places with calculators was a thing
thanks for the great explanation and thanks for using metric.
So very nice, great. Thank you tecaher.
You're so likeable and Gumbo is to die for cute! Thanks for your videos!
Merci beaucoup.
You're a god
Sir, how is it possible that concrete has a lower young's modulus than steel?
Lec : I did this in undergraduate and I didn't really understand actually my mind : You are good by not understanding😂😂
What does it take to soak up as much knowledge as you?
18:40 Because Apollo-Saturns were fake rockets 🚀
21:00 SpaceX is also fake
thanjk you! :)
This is a cool, simple explanation. I googled "How high does a building need to be to require a flying buttress and this video popped up" It doesn't answer the question exactly but the general terms are nice.
Fantastic explanation and experiment. I'm trying to understand the dynamics of riding electric unicycles and one of the biggest unknowns in the gyroscopic calculations is the moment of inertia of the rim and tire. This looks like the best way to measure it. Thank you so much for the video!
Thankyou!
A millions of thanks sir... I was being wrong,,, because I didn't multiply 9.81 m/sec. square with weight. Thanks for my clarification
Thank you very helpful video ❤
Nice work, and relevant to a school project here in NZ!
Thanks for the explanation..really helpful
Thank you for this enlightning Video, very much appreciated sir. I do have one question, I am looking to calculate the deflection of an Aluminium side Profile of a conveyor System that I reinforced with a Steel beam underneath. The profile and steel beam are connected with bolts. Will this approach work? Thanks :)
currnetly 15, trying to make my ingame car corner better. this is fire
If I had a 65000 lb mass hanging from a point, square in shape like your binder with stuff in it so it doesn't have a known center. Is it possible to know how far to move that hanger over if you knew that 1 side hangs 3/4 inches lower then the opposite side? 6ft by 6 ft cube basically that the lifting point is not center to account for weight.
My main issue is static specially in the of freebody diagram.
I had the pleasure to attend a guitar building course with proff. French at Colombia and I have to say his clarity in explaining complex things in a simple way is just awesome!
you content and video really helped me for my exams especially this. Love it ! Am I able to reach out to you for questions
Good explanation❤
How to background blur.please share this code in Matlab
Hi Mark, fellow Engineering Technology professor here. I love your videos and definitely try to channel some of your vibe when explaining things. When it comes to 2nd moment of area, in addition to stiffness, I tell my students it describes how the area is distributed around the centroid...large I, lots of material away from the centroid. First moment of area (aka statical moment) is used in calculating vertical shear in a beam. What I have always struggled is providing a physical feel for first moments, similar to what I can do with 2nd moments. As engineering technology students, I try to avoid getting into the weeds of deriving vertical shear stress and show them where the first moment shows up. Do you have a good physical explanation of what the first moment represents? I love to hear it if you do.
12 years later and still saving egineering students. awesome video
beautiful way of explanation. Thank you, sir.
4:12 isn’t that a case of local buckling?? I mean if I’m standing on a coin, then no matter how much weight I put on it will never buckle like that. So I don’t get the short column thing later in the video. I find it strange that the wall thickness is not included somehow? BR Peter
thats very clever shifting to polar rather than going for direct integration
Join the rigging and lifting group
Thanks helped me lots to understand
It was best educational thing about this subject
Good vid
Area moment of inertia = area cross section resistance to bending, Mass moment of inertia = solid body resistance to rotation, Polar moment of inertia = objects resistance to twisting.
Is it important for step 5 to be last in the recipe or could be executed earlier? (Or possibly at several locations throughout the recipe?)
gg
I think there is a mistake you wrote 113mm is between them even tho it’s written 150mm ? How is that possible
Have you seen a doctor about writing with the incorrect hand? I here there are camps where you can go and have that disorder corrected.
idk sh!t i probably will fail my mid thats in an hour but GUMBOOOOOOOOO AAAAAAAAAAAAA ILY
Amazing lecture. Thank you
This did help!!!
Nice knowledge
Thanks for the Amazing information
Professor. I'm a new student. I have a doubt. Does the stall speed vary if the thrust changes. ?
no.
thank you so much sir, after 15 years of graduation of bachelor's degree, I'm having a master's degree, and your explanation helps me a lot, i hope you are my professor sir, haha
what a good explanation THANKS VERY MUCH
Thanks Sir