Figure 4.
Propagation and reflection of GW in a pipe. The axisymmetric and non-axisymmetric horizontal or vertical flexural modes reflected from symmetric and non-axisymmetric pipe features, respectively.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.