Roger Grimes, Boeing Computer Services, Seattle, Washington.

Discipline:

Oil recovery

Accession:

Spring 1983

These three matrices were extracted from a program simulating enhanced oil recovery using injected steam. Matrix STEAM1 represents a finite-difference discretization of a 4 by 4 by 5 grid with 3 variables at each grid point. Matrix STEAM2 represents a finite-difference discretization of a 5 by 5 by 6 grid with 4 variables at each grid point. Matrix STEAM3 represents a finite-difference discretization of a one dimensional grid with 20 grid points and 4 variables at each grid point. Symmetric positive definite.

Matrices in this set:

STEAM1 (real unsymmetric, 240 by 240, 3762 entries), 3D steam model of oil res. - 4x4x5 - 3 DOF

STEAM2 (real unsymmetric, 600 by 600, 13760 entries), 3D steam model of oil res. - 5x5x6 - 4 DOF

STEAM3 (real unsymmetric, 80 by 80, 928 entries), 1D steam model of oil res. - 20 points - 4 DOF