Three Dimensional And Thermal Transient
Analysis Of Sedimentary Rocks
Author(s)
V.P.S. King, L. Landau, J.L.D. Alves & M.A.D. Martins
Abstract
This work presents the implementation of a finite element code for the thermal
transient analysis of sedimentary rocks. This analysis provides a means to assess
the thermal history in sedimentary rocks, assisting the studies of hydrocarbon
generation and migration processes. The unstructured 3D mesh of tetrahedral
elements provides the discrete model. An iterative driver using an edge-by-edge
data structure solves the resulting system of equations at each time step. This
strategy provides considerable improvements in terms of CPU time and memory
demand. This combination enables the study of complex 3D problems, a key
issue to basin analysis.
1 Introduction
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