Inf-sup stable non-conforming finite elements of arbitrary order on triangles

An L2-stable approximation of the Navier

An L2-stable approximation of the Navier–Stokes convection operator for low-order non-conforming finite elements

✍ G. Ansanay-Alex; F. Babik; J. C. Latché; D. Vola 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 565 KB

## Abstract We develop in this paper a discretization for the convection term in variable density unstationary Navier–Stokes equations, which applies to low‐order non‐conforming finite element approximations (the so‐called Crouzeix–Raviart or Rannacher–Turek elements). This discretization is built