Equivalent Damping: C1, C2, C3 in Parallel?

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Discussion Overview

The discussion revolves around the configuration of dampers in a damping system, specifically addressing the relationship between dampers C1, C2, and C3. Participants explore the implications of their arrangement and the concept of parallel damping, with a focus on understanding how the location of force affects this configuration.

Discussion Character

  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants assert that dampers C1 and C2 are clearly in parallel, but there is confusion regarding how this relates to damper C3.
  • One participant suggests that the layout of components is arbitrary and primarily for aesthetic purposes, prompting a re-evaluation of the system's behavior if C3 is repositioned.
  • Another participant encourages the original poster (OP) to consider why flipping C3 does not alter the system's behavior, implying a deeper understanding of the mechanics involved.
  • A repeated assertion emphasizes that dampers C1, C2, and C3 are in parallel due to sharing the same velocity, drawing an analogy to springs where the displacement would also be the same.

Areas of Agreement / Disagreement

Participants generally agree that dampers C1 and C2 are in parallel, but there is uncertainty and debate regarding the relationship of these dampers to C3 and the implications of force location on the system's behavior.

Contextual Notes

The discussion does not resolve the assumptions regarding the effects of component layout on system behavior, nor does it clarify the mathematical or physical principles that underpin the claims made about the dampers.

Tekneek
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In this damping system it is obvious that the dampers C1 and C2 are in parallel. But I don't understand how "noting the location of force" in this system tells us dampers C1+C2 are in parallel with damper C3. Any help will be appreciated. Thnx
 
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Component layout on the page is arbitrary. Mostly it's about esthetic values for presentation!

Flip C3 to the left hand side of the vertical line in the center (maintain the same component connections). What do you see now?
 
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To the OP: In following gneill's advice, it might be useful to try and convince yourself why flipping C3 doesn't change the system behavior.
 
Tekneek said:
View attachment 172650

In this damping system it is obvious that the dampers C1 and C2 are in parallel. But I don't understand how "noting the location of force" in this system tells us dampers C1+C2 are in parallel with damper C3. Any help will be appreciated. Thnx
 
Tekneek said:
View attachment 172650

In this damping system it is obvious that the dampers C1 and C2 are in parallel. But I don't understand how "noting the location of force" in this system tells us dampers C1+C2 are in parallel with damper C3. Any help will be appreciated. Thnx
They are in parallel because they have the same velocity. Same case if they were springs, the displacement would be the same.
 

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