A. Figure, Plate characteristic functions with aspect ratio ? = ? 2. On the left hand side are exhibited the graph of the first five characteristic functions

A. Figure, 5: The third mode shape for a plate in study

A. Figure, 9: The second mode rotation around the axis X

A. Figure, 13: The first mode rotation around the axis Y

A. Figure, 17: The fifth mode rotation around the axis Y

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