Questions tagged [impact]
The impact tag has no usage guidance.
6
questions
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how to write linear viscoelastic impact model code in opensees?
I want to modeling pounding phenomenon between adjacent buildings in OpenSees software. For impact models ( between the structures ) i want to use linear viscoelastic model but I do not know how to ...
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votes
2answers
34 views
Why do some metals with bcc structure show ductile-brittle transition in charpy impact test?
I was learning about the charpy impact test and came across the graph on this webiste that shows the impact energy for bcc and fcc structures as a function of temperature. I tried searching for an ...
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1answer
35 views
How to create a mechanical equivalent to dropping object onto steel floor
(I was informed on the Physics board that this is an Engineering question, therefore they closed it there, and I moved it here)
First, I have next to zero formal physics training... I opted for all ...
1
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0answers
12 views
Half Sine Impulse in a modal Transient Analysis
I have a MDOF FEM model in which I perform a modal transient analysis based on the modal eigenfrequencies extracted in a prior step.
I wish to excite only the first natural frequency of the system via ...
6
votes
2answers
54 views
Is a single large impact better than several small impacts for breaking ice
I'm designing a device that uses impact to remove ice from sidewalks. I have a question about how to best design the impact mechanism.
I can design it to deliver several light impacts or fewer harder ...
1
vote
1answer
43 views
Does the surface roughness play any role in shock absorbing?
Consider a mass of about $130 \pm 10 $ kg, falls from height, let say $2.5 $ m.
In order to dampen the vibration and sound, I use silencer or drop pads. I was wondering if introducing the macroscopic ...
