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.
Sub-cell structure of a single cut element: a conventional approach with quadrature points distributed within the valid (black points) and exterior (green points) domain and b reduced approach integrating over the whole element (orange points) and the valid domain (black points). The sub-cells are indicated by dashed lines. (Color figure online)
