QWWQuantum Well Wire
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There are several coherency models presented between the excitation points such as Hao model, Harichandran-Vanmarcke model, QWW model, Luco-Wong model, and Kiureghian model, and all of them are conditionally suitable for ground motion in general.
The coherency models of QWW are displayed in Figure 6.
Coherency model of QWW is adopted and the apparent velocity is taken as [v.sub.app] = 500 m/s, 1000 m/s, and 2000 m/s, respectively.