FIGURE 1.
Mapping Eq. 3 transforms the standard quadrilateral element 
into a quadrilateral element 
The finite element solution on 
is defined by transforming a bilinear function on 
with mapping 
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.