HIRENASD Comparisons of FEM modal frequencies and modeshapes
Below are frequency comparisons of different models with experiment

<img src = "https://c3.nasa.gov/dashlink/static/media/dataset/image001_2.png">
<BR>Note Modeshapes aren't very descriptive for higher modes.  There is coupling between them so this is just an approximate naming scheme.  See modeshape plots for …