A Using the 2d wave equation or the Kirchhoff plate equation

  • Thread starter Joes12
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2d waves equation or Kirchhoff plate equation
I would like to model the dynamics of a plate. Is it ok to use just the 2d wave equation if the plate will be under tension and fixed at the boundaries? I am a bit confused what the point of the Kirchhoff plate equation is in that case, is it for when the plate is self supporting? Many thanks
 

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