Finding Damage Localizations of a Planar Truss Using Modal Strain Energy Change

Figure 5

Values of the classic MSECR using the first several modes together (damaged element 9, with 5% noise). (a) Using modes 1-2. (b) Using modes 1–4. (c) Using modes 1–6. (d) Using modes 1–8.

(a)

(b)

(c)

(d)