jrmichler's latest activity
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Jjrmichler replied to the thread Flexure Plate FEA Validation.Hand calculating this problem takes several steps. Here is how I would do it. 1) The thin parts are doing all of the deflecting, so...
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Jjrmichler replied to the thread Flexure Plate FEA Validation.You do not tell us what your analysis is trying to find out. Are you looking for deflection, deflected shape, strain, stress, or what...
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JThink about it again! A nude beach isn't half as exciting as it sounds.
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Jjrmichler replied to the thread Aero/Hydro-dynamic Streamlining as a function of medium.There is an optimal shape for least drag for a given frontal area. There is an optimal shape for least drag for a given interior volume...
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Jjrmichler replied to the thread Undergrad Ramjet effect on drone.Yes, this is a well known effect. Search terms p51 mustang radiator thrust will bring up several good hits. The Wikipedia article is a...
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Jjrmichler replied to the thread Random Photos.When deer see apples overhead, they can stand on their hind legs to get them. That tree had about 90 lbs of apples this year. I...
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Jjrmichler reacted to fresh_42's post in the thread What did you do with your old college textbooks? with
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My "like" was for Garfield, of course! -
Jjrmichler replied to the thread What did you do with your old college textbooks?.Same here, except ME.
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Jjrmichler replied to the thread High School Basic thermal energy transfer physics: Insulation value in open airways vs sealed airways.Been almost 50 years since I took basic heat transfer in college, so I had to do some homework in order to do heat transfer film...
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Jjrmichler reacted to symbolipoint's post in the thread States of matter: "viscoelastic fluid", familiar term is "cream" with
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Hey, @jrmichler ; I just tried a search in which I asked a question as input field of the search engine (related to "plastic solid")... -
Jjrmichler replied to the thread States of matter: "viscoelastic fluid", familiar term is "cream".Here's a couple more terms. Plastic solid is a solid with a yield point. After yielding, it will continue to deform without limit...
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Jjrmichler replied to the thread I need a concave mirror with a focal length of 150 feet.Much of the hot air does not actually add heat to the surface, but it does give a good upper limit to the amount of heat needed. Using...
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Jjrmichler reacted to sophiecentaur's post in the thread I need a concave mirror with a focal length of 150 feet with
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Many thanks for doing the leg work in this one!! An interesting result I was looking for a practical example of this and I realised... -
Jjrmichler replied to the thread I need a concave mirror with a focal length of 150 feet.I just finished doing some heat transfer calculation for something else. It's been a long time, so getting back up to speed took time...
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Jjrmichler replied to the thread Medical New Alzheimer's Treatment Clears Plaques From Brains of Mice Within Hours.I have been collecting articles and papers on lifestyle vs health. Here's some about dementia: Healthy lifestyle reduced risk of...



