A generic approach for the solution of nonlinear residual equations. Part III: Sensitivity computations |
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| Authors: | Komlanvi Lampoh Isabelle Charpentier El Mostafa Daya |
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| Affiliation: | 1. Kaunas University of Technology, Institute of Materials Science, Savanori? str. 271, Kaunas LT50131, Lithuania;2. Institute of Chemistry, Center for Physical Sciences and Technology, Go?tauto str. 9, Vilnius LT-01108, Lithuania;1. Departamento de Física, Facultad de Ciencias, Universidad de Chile, Santiago, Chile;2. Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Casilla 487-3, Santiago, Chile;3. Département de Physique, Faculté des Sciences, Université Libre de Bruxelles (U.L.B.), CP 231, Campus Plaine, B-1050 Bruxelles, Belgium |
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| Abstract: | Sensitivity analysis provides qualitative and quantitative information on the behaviour of the model under study, and offers an access to gradients that may be used for identification purposes. Such precious information may be obtained at a low development cost applying a generic automatic differentiation (AD) tool to the computer code implementing this model. Nonlinear residual problems solved through a path following method may be addressed too. In this paper, AD techniques are adapted to the Taylor-based asymptotic numerical method. A sensitivity study of a laminated glass beam to the perturbation of some material and geometric parameters, and the perturbation of elementary stiffness matrices illustrates the method. |
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