Using constraint satisfaction as a means for modelling parallel folding evolution
Edmunds, R., Hicks, B. J. and Mullineux, G., 2011. Using constraint satisfaction as a means for modelling parallel folding evolution. IMA Journal of Applied Mathematics, 76 (1), pp. 169-192.
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This paper uses constraint satisfaction and optimization to find least energy solutions of a solid, elastic frictional model for parallel folding. Such a model is representative of multilayer geological systems undergoing buckling deformation and modelling the evolution of folds poses a significant problem. Simplifying the model down to a two-layer formulation and, assuming the geometry of the whole layered material is governed by this, the behaviour of the central interface is modelled using a number of points whose movement is constrained. The small-deflection model, with a linear foundation and no apparent lock-up criteria, closely matches the sequential nature seen in experiments. By adding a hardening non-linear foundation stiffness and linearly increasing the overburden pressure, the destabilization and restabilization of the experimental load-deflection plots is clearly observed.
|Creators||Edmunds, R., Hicks, B. J. and Mullineux, G.|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
|Research Centres||Innovative Design & Manufacturing Research Centre (IdMRC)|
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