I second what the others are saying. 3D printing doesn’t have too much to do with ME besides being another manufacturing technique. Kind of like asking “what is the fastest way to learn mechanical engineering now that CNC is available.” Sure both of those can make manufacturing easier or even make it possible to manufacture geometries that would have otherwise been impossible, but the fundamentals of ME will remain unchanged.
In answer to your question I, like the other comments, would recommend trying to understand calculus since it shows up everywhere.
Next, I think learning basic physics and drawing free body diagrams would be especially helpful. Seriously, free body diagrams seem to be the foundation of ME.
Learning basic manufacturing (3D printing comes in here) is also vital because if you design things that work but can’t be manufactured then what good are they?
Going a bit farther in depth on material science like FCC vs BCC crystal structure and metal phases and shear planes is also useful especially if you want to study or work with specialized materials like superalloys.
You’ll need to know basic thermodynamics and fluid mechanics. You’ll need to learn how to create engineering drawings and use CAD software.
You’ll need some electrical engineering basics too. Lots of mechanical devices use microprocessor so getting experience with those is also useful especially if you want to go into robotics or mechatronics (does robotics fall into the category of mechatronics or is it kept separate?)
There’s a lot to learn and the best way to learn it all is going to be through getting a degree. There are wayy too many important things to learn before becoming a mechanical engineer than can be summed up in a simple list. Usually it’s summed up in textbooks that are several hundred pages long. Buckling modes, fatigue cycles, bolt failures, are all pretty important, like human-lives-at-stake, important but they take time to learn and use in practice.
It’s probably not going to be that fast, but that’s kind of the point. (You wouldn’t want to fly in a plane designed by an engineer who wasn’t thorough.) Hopefully a good college will give you lots of hands on experience so you know where to apply what you’re learning.
On a different note. If you can’t pay for school or you just want to learn ME for fun (I mean who doesn’t want to build cool machines in their free time?) I’d say the best way to learn is to look up what you have questions about. Find something engineered that you think is cool and try to learn why the engineer built it the way they did.
Want to build a robot to clean your desk but don’t know anything about PWM or microcontrollers or basic circuits? Chances are someone has already built something similar that you can analyze. Hell, they might even explain exactly why they did what they did. And if you catch a word or topic you don’t understand, look it up. The answers to your questions are probably out there in the internet somewhere.
Learning like this won’t teach you everything (and will not be adequate to get professional engineering certification) and it still probably won’t be fast, but it should teach you the basics of what you want to know which… well, is what you want to know right?
Wish to know: Calculus Most useful topics to know: Calculus. Fastest way: Get good at calculus, then go to university. I dont know what 3D printers have to do with the questions…
It’s looking like the proposed Messina Straight bridge project might finally happen. The 3.3km span would make it the world’s longest suspension bridge by far, located in a spot known for high winds and earthquakes.
Stretto di Messina has a bunch of info and images about the project (all in Italian): https://strettodimessina.it/
Explain the difference between coasting on a bike and pedaling. When you pedal, you speed up. Calculus compares how much faster one person speeds up than another.
At 5, she’s not going to grasp charts or numbers, but something familiar to her could work.
Source: father of three and taught my oldest basic algebra (variables) so we could make a game on Scratch together when he was 6 or so.
My mom was going for a math degree when I was around that age. I was naturally curious about what she was studying. What stuck with me though has been ways of thinking and concepts. It has been a really good thing for me in real life as well as academically.
My suggestion would be to focus on concepts and lean hard on why. The practical ‘how’ is something that takes lots of time to learn and is incremental (addition then subtraction and so on). The why can be highlighted in movement, natural shapes, thoughts on time/light/infinity, and things like that.
Calculus specifically I would approach by asking how many sides does a ball have. Is it one, zero, or too many to count? The ‘right’ answer doesn’t matter in this context. The important part is to learn that they all kind of mean the same thing if you think about them in different ways. Calculus uses thinking about it as too many to count to answer questions that are hard to answer when you think about it as zero.
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