- #1
Vibrational Modes: How They Affect Motion
- Thread starter Kajan thana
- Start date
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AI Thread Summary
The discussion centers on the interpretation of vibrational modes in relation to accelerometer data from a Bimorph beam (PEH). The "Predicted" graph is believed to be generated using Finite Element Analysis (FEA) tools, while the "Measured" graph reflects actual data collected from experiments. The setup likely involved exciting the MEMS arm with a high mechanical impedance source and varying the frequency to obtain the results. This approach is analogous to plotting the transfer function of a two-port network. Understanding these graphs is crucial for analyzing the vibrational behavior of the system.
How did you find PF?: Via Google search
Hi,
I have a vessel I 3D printed to investigate single bubble rise. The vessel has a 4 mm gap separated by acrylic panels. This is essentially my viewing chamber where I can record the bubble motion. The vessel is open to atmosphere.
The bubble generation mechanism is composed of a syringe pump and glass capillary tube (Internal Diameter of 0.45 mm). I connect a 1/4” air line hose from the syringe to the capillary
The bubble is formed at the tip...
Scenario 1 (figure 1)
A continuous loop of elastic material is stretched around two metal bars. The top bar is attached to a load cell that reads force. The lower bar can be moved downwards to stretch the elastic material.
The lower bar is moved downwards until the two bars are 1190mm apart, stretching the elastic material. The bars are 5mm thick, so the total internal loop length is 1200mm (1190mm + 5mm + 5mm).
At this level of stretch, the load cell reads 45N tensile force.
Key numbers...
I'd like to create a thread with links to 3-D Printer resources, including printers and software package suggestions. My motivations are selfish, as I have a 3-D printed project that I'm working on, and I'd like to buy a simple printer and use low cost software to make the first prototype.
There are some previous threads about 3-D printing like this: https://www.physicsforums.com/threads/are-3d-printers-easy-to-use-yet.917489/
but none that address the overall topic (unless I've missed...
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