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.
A longitudinal cross-sectional view of a cylindrical model and a cavity mesh (lighter shade). The cavity mesh is visible through a transparent section of the cylindrical model. The displacements of the nodes of the cavity mesh were fixed in all directions with the exception of one node on the axis, which was constrained to move along the axial direction.
