Seismic Failure Pattern Prediction in a Historical Masonry Minaret under Different Earthquakes

Table 3

Mesh size convergence.

Mesh size (m)	The first frequency (Hz)	Number of elements
0.55	0.896	8710
0.50	0.869	9546
0.45	0.863	11170
0.35	0.854	17404
0.25	0.849	28175
0.15	0.846	105985