ABSTRACT: A program (FINITEG) uses the finite-element method to deal with programs commonly encountered in the study of terrestrial heat flow. FINITEG can provide transient and steady-state solutions to one heat-flow problem or combined problems related to relief, nonuniform surface temperature, transient surface temperature, inhomogeneous thermal properties, heat generation, igneous intrusion, sedimentation, and erosion. The theory of the relevant finite-element method, programming procedures, and test results are given to prove that the algorithm is correct. Numerical solutions agree to within 5 percent of the analytical solutions for the individual problems.
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