quadrilateral

adj.

四边（形）的；

n.

四边形；

quadrilateral element四边形元

1. A kite is a quadrilateral with one line of symmetry.
   风筝是个有一条对称线的四边形。
2. A trapezoid is a quadrilateral with two parallel sides.
   梯形是具有两平行边的四边形。

A simple quadrilateral shell element
Simple nonconforming quadrilateral Stokes element
Harmonic functions for quadrilateral remeshing of arbitrary manifolds
Adaptive and Quality Quadrilateral/Hexahedral Meshing from Volumetric Data
Interpolatory Subdivision on Open Quadrilateral Nets with Arbitrary Topology
Interpolatory Subdivision on Open Quadrilateral Nets with Arbitrary Topology
An Introduction to Multipoint Flux Approximations for Quadrilateral Grids
Anisotropic interpolation and quasi‐Wilson element for narrow quadrilateral meshes
A second-order projection method for the incompressible Navier Stokes equations on quadrilateral grids
An Approach to Combined Laplacian and Optimization-Based Smoothing for Triangular, Quadrilateral, and Quad-Dominant Meshes