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Table 7 Comparison of brace geometry on a simply supported orthotropic modified plate

From: Can a brace be used to control the frequencies of a plate?

m x

m y

System natural frequencies with rectangular brace

System natural frequencies with scalloped brace

% change in frequencies

  

(Hz)

(Hz)

 

1

1

592

621

4.9%

2

1

711

743

4.5%

2

2

950

1003

5.6%

1

2

1063

1053

−0.9%

2

3

1211

1279

5.6%