On the necessity of negative coefficients for operator splitting schemes of order higher than two

A class of higher order compact schemes

A class of higher order compact schemes for the unsteady two-dimensional convection–diffusion equation with variable convection coefficients

✍ Jiten C. Kalita; D. C. Dalal; Anoop K. Dass 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 306 KB 👁 1 views

## Abstract A class of higher order compact (HOC) schemes has been developed with weighted time discretization for the two‐dimensional unsteady convection–diffusion equation with variable convection coefficients. The schemes are second or lower order accurate in time depending on the choice of the