Thesis Topic Ideas for Mechanical Engineering Students

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A Mechanical Engineering student is seeking thesis ideas, particularly focused on environmentally beneficial machines. They express interest in creating a machine for alternative fuels or a water treatment apparatus for residential areas but are uncertain about their effectiveness. Forum members suggest evaluating the water treatment idea and researching existing solutions. They recommend exploring local industries or agriculture for machinery that could be optimized to reduce environmental and economic costs or improve safety. Additionally, they encourage investigating local waste products that could be recycled and the mechanical engineering challenges associated with that processing.
gracepentinio
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Greetings!

I am a Mechanical Engineering student and I am on my last year in this course. I am currently working on my thesis and beginning with a topic is really hard. I hope anyone from this forum might help me have a good thesis idea that will give me a head-start. I will really appreciate any help that you will give me. Thank you so much!
 
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Welcome to PF.
What is your preferred area of ME ?
What interests do you have outside ME that could benefit from ME ?
Can you “build a bridge” between those two fields ?
 
Hi. thank you for your reply.
Actually, I am really interested on creating a machine that would benefit the environment/nature,
like a machine that will create alternative fuels, etc. But lots of machines were already existing.
I am thinking, maybe, I could create a water treatment apparatus for residential areas. But, I am still kind of second guessing if it's going to be effective.
 
Evaluate your water treatment idea. Ask around to find out what is available now.

Maybe you know about a local industry, or agriculture, that uses machinery. If several manufacturers make the machinery, can you analyse the best features of each? How could that machinery be optimised to reduce environmental and economic costs, or improve safety.

No idea? Then pick another local industry or agricultural crop, ask people in the field what they think is the biggest problem with the current equipment. Or what equipment they would like to make it easier for them.

Is there a local waste product that could be processed and recycled?
What mechanical engineering challenges are there in that processing?
 
Hey, I am Andreas from Germany. I am currently 35 years old and I want to relearn math and physics. This is not one of these regular questions when it comes to this matter. So... I am very realistic about it. I know that there are severe contraints when it comes to selfstudy compared to a regular school and/or university (structure, peers, teachers, learning groups, tests, access to papers and so on) . I will never get a job in this field and I will never be taken serious by "real"...
Yesterday, 9/5/2025, when I was surfing, I found an article The Schwarzschild solution contains three problems, which can be easily solved - Journal of King Saud University - Science ABUNDANCE ESTIMATION IN AN ARID ENVIRONMENT https://jksus.org/the-schwarzschild-solution-contains-three-problems-which-can-be-easily-solved/ that has the derivation of a line element as a corrected version of the Schwarzschild solution to Einstein’s field equation. This article's date received is 2022-11-15...

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