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cal structure. Several additions and modifications were needed to make the modelling possible, including sedimentation logic, viscous material behaviour and large time scales. The successful implementation of these features demonstrates the adaptability of the technique. Furthermore, subsequent simulations of the evolving geological structure were used to characterise the behaviour of the two-layer sequence and to test the applicability of a simplified analytical solution to the problem. In essence, a competent overburden produces deformations in the underlying viscous layer which are similar to the analytical predictions, but if the frictional overburden yields, the deformation of the viscous layer is modified by the translation and deformation of the overburden, and large extensional and compressional regions are formed in the overburden. The modelling has therefore prompted a better qualitative and quantitative understanding of the geological setting. Some further general comments are reserved for the concluding section of the next chapter.
DOI link for cal structure. Several additions and modifications were needed to make the modelling possible, including sedimentation logic, viscous material behaviour and large time scales. The successful implementation of these features demonstrates the adaptability of the technique. Furthermore, subsequent simulations of the evolving geological structure were used to characterise the behaviour of the two-layer sequence and to test the applicability of a simplified analytical solution to the problem. In essence, a competent overburden produces deformations in the underlying viscous layer which are similar to the analytical predictions, but if the frictional overburden yields, the deformation of the viscous layer is modified by the translation and deformation of the overburden, and large extensional and compressional regions are formed in the overburden. The modelling has therefore prompted a better qualitative and quantitative understanding of the geological setting. Some further general comments are reserved for the concluding section of the next chapter.
cal structure. Several additions and modifications were needed to make the modelling possible, including sedimentation logic, viscous material behaviour and large time scales. The successful implementation of these features demonstrates the adaptability of the technique. Furthermore, subsequent simulations of the evolving geological structure were used to characterise the behaviour of the two-layer sequence and to test the applicability of a simplified analytical solution to the problem. In essence, a competent overburden produces deformations in the underlying viscous layer which are similar to the analytical predictions, but if the frictional overburden yields, the deformation of the viscous layer is modified by the translation and deformation of the overburden, and large extensional and compressional regions are formed in the overburden. The modelling has therefore prompted a better qualitative and quantitative understanding of the geological setting. Some further general comments are reserved for the concluding section of the next chapter.
ABSTRACT