“…occurs to L(0,1), L(0,3), L(0,6), and L(0,8). L(0,5) and L(0, 9) correspond to symmetric Lamb modes in the plate, while L(0,1), L(0,3), L(0,6), and L(0,8) correspond to antisymmetric Lamb modes. In plates, antisymmetric secondary modes receive no power flux due to their symmetry properties.…”