All Questions
Tagged with mechanical structural-engineering
11
questions
0
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18
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Find stresses involved and calculate magnitudes
I am new to mechanical design.What all forces and moments act on the hinge plate in following figure?How to find magnitude of stresses induced on the supports?
Note: The spring is an expansion spring ...
- 1
0
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0
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39
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Free body diagram problem: Linkage w/ magnets and friction hinge
I am a bit stumped on a IRL problem, which i simplified in the diagram below:
There are left and right beams (gray) linked together by a friction hinge. The bottom beam (black) is connected to the ...
- 21
0
votes
1
answer
264
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What will the reaction forces of a support be in case of an angled cable
If a cable is attached to a support on each side, and there is a load acting on it somewhere along its length.
Is there going to be a vertical reaction force only if the the cable is angled?
- 5
1
vote
1
answer
919
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How to find clamping force from bolt preload?
If I have a piece of rubber between two steel plates, and four bolts (at equal preload) compressing the plates, will the total compressive force on the rubber be Preload x 4?
- 25
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votes
1
answer
169
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Max Stress on Weld
Part is welded to a plate, based on the below free body diagram how would I determine the max stress in the weld? It seems half the weld is in tension and the other half is in compression.
- 15
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votes
1
answer
39
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Stopping Force of Irregularly Shaped Object
I have a quick question about the force needed to accelerate/decelerate an irregular object.
Lets say I have a 3D object with the following general shape,
This system is in general a gripper (gray) ...
- 47
0
votes
1
answer
489
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Moment of inertia of rotated area
I know the moment of inertia about X and Y axes. The area has been rotated through an angle theta. How to calculate the moment of inertia about x1 and y1 axes?
- 103
2
votes
1
answer
297
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Vehicle Train Towing [closed]
Why can I not tow 50,000 lbs (40,000 cargo and 10,000 Trailer bed) using multiple pickup truck each individually capable of towing 30,000 lbs?
I was told that the towing capacity does not "Add up" ...
- 51
1
vote
2
answers
127
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Which frame is optimal for children's bicycle trailers? tubular or rectangular frame and why? [closed]
I need to construct a 3D wooden bicycle trailer for Kids. The weight of bicycle trailers must also be light!
The Frame should be made of wood.
what criteria should I use to construct a Frame,Children'...
-1
votes
2
answers
111
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Collecting Rainwater off a Domestic Roof for Flushing Toilets [closed]
I am working on a project for an Environmental Engineering class. Our concept is a system that collects rain water for use in toilet flushing, i.e. requires minimal filtration. I have no experience in ...
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4
votes
2
answers
10k
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What is Saint Venant Principle?
I am having problem with the application of Saint Venant principle.I have heard that quite often we use that knowingly or unknowingly.I would be very greatful to anyone who would explain this very ...
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