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.
Schematic 2D representation of an elastic element with different stiffness values εx and εz along the x and z directions, respectively. The blue line at angle α with the z axis represents the structural constraint for the movement of the tip of the element (orange circle) when force F (blue arrow) is applied.
