Difference between a clamped and a simply supported plate.

In summary, the conversation discusses the concept of clamped and simply supported plates in the theory of plate vibration. A clamped plate has fixed edges, while a simply supported plate has a vertical rest only. The boundary conditions for a clamped plate require zero edge deflection and slope, while a simply supported plate allows for varying slope depending on the loading. The exact definition of these terms may vary, but they are important concepts in understanding plate vibration.
  • #1
HyperSniper
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Hey, I've recently been taking a look at the theory of plate vibration, but I can't seem to find anywhere an exact definition of what consitutes a "clamped" and a "simply supported" plate. What exactly are these, conceptually and mathematically?
 
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  • #2
I am not sure I have an exact definition, but a plate with "clamped" or "fixed" edges would be welded all around for example. A simple support would be a vertical rest only.
 
  • #3
The boundary conditions for a clamped plate generally indicate that the edge deflection and edge slopes are both equal to zero (similar boundary conditions are used for beams with fixed ends).

A simply supported plate has edge deflection = 0, but the slope of the plate can vary depending on the loading.
 
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  • #4
HyperSniper... if you got your answer please tell me...
 

FAQ: Difference between a clamped and a simply supported plate.

What is the main difference between a clamped and a simply supported plate?

The main difference between a clamped and a simply supported plate lies in the boundary conditions at the edges of the plate. A clamped plate has all of its edges fixed, while a simply supported plate has two opposite edges that are free to move.

How do clamped and simply supported plates behave under load?

A clamped plate is stiffer and more resistant to bending than a simply supported plate. This means that a clamped plate will experience less deflection and stress under the same load compared to a simply supported plate.

Are there any advantages to using a clamped plate over a simply supported plate?

Depending on the application, a clamped plate may offer more stability and structural integrity than a simply supported plate. This is especially true in systems where precise positioning and minimal deflection are crucial.

What are some real-life examples of clamped and simply supported plates?

A clamped plate can be found in structural elements such as bridges and buildings, where stability and rigidity are important. Simply supported plates are commonly used in flooring, roofs, and other structures that require some flexibility.

How do the boundary conditions of a clamped and simply supported plate affect their natural frequencies?

The boundary conditions of a plate greatly influence its natural frequencies, which are the frequencies at which the plate will vibrate without any external force. A clamped plate has higher natural frequencies compared to a simply supported plate due to its stiffer boundary conditions.

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