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Automated extension of fixed point PDE solvers for optimal design with bounded retardation
Book PartAbstract: We study PDE-constrained optimization problems where the state equation is solved by a pseudo-time sPalabras claves:Aerodynamic shape optimization, Augmented Lagrangian, Automatic differentiation, Climate model, Exact penalty function, Fixed point solvers, Nonlinear optimization, parameter optimizationAutores:Andreas Griewank, Gauger N.R., Hamdi A., Kratzenstein C., Özkaya E., Slawig T.Fuentes:scopusAutomatic differentiation of advanced CFD codes for multidisciplinary design
ArticleAbstract: Automated multidisciplinary design of aircraft and other flight vehicles requires the optimization oPalabras claves:Autores:Andreas Griewank, Bischof C., Corliss G.F., Green L., Haigler K., Newman P.Fuentes:scopusAutomatic evaluations of cross-derivatives
ArticleAbstract: Cross-derivatives are mixed partial derivatives involving at most one differentiation in each one ofPalabras claves:Autores:Andreas Griewank, Lehmann L., Leovey H., Zilberman M.Fuentes:scopusBeyond the oracle: Opportunities of piecewise differentiation
Book PartAbstract: For more than 30 years much of the research and development in nonsmooth optimization has been prediPalabras claves:Autores:Andreas Griewank, Walther A.Fuentes:scopusAn algorithm for nonsmooth optimization by successive piecewise linearization
ArticleAbstract: We present an optimization method for Lipschitz continuous, piecewise smooth (PS) objective functionPalabras claves:abs-normal form, Algorithmic differentiation, Clarke stationary, Nonsmooth optimization, Piecewise smoothnessAutores:Andreas Griewank, Fiege S., Walther A.Fuentes:scopusAn algorithm for pointwise evaluation of polyconvex envelopes II: generalization and numerical results
ArticleAbstract: In the first part of this paper (Afrika Matematika 1–24, 2011) we introduced a method for computingPalabras claves:Alternating procedure, Convergence proof, Energy densities, Numerical results, Tangent plane criterionAutores:Andreas Griewank, Bosse T., Eneya L.Fuentes:scopusCHARACTERIZATION AND COMPUTATION OF GENERALIZED TURNING POINTS.
ArticleAbstract: A minimal set of augmenting equations is given so that general parameter dependent problems togetherPalabras claves:Autores:Andreas Griewank, Reddien G.Fuentes:scopusConstrained optimization and optimal control for partial differential equations
BookAbstract: This special volume focuses on optimization and control of processes governed by partial differentiaPalabras claves:Autores:Andreas Griewank, Engell S., Hinze M., Leugering G., Rannacher R., Schulz V., Ulbrich M., Ulbrich S.Fuentes:scopusApplicability of quasi-monte carlo for lattice systems
Conference ObjectAbstract: This project investigates the applicability of quasi-Monte Carlo methods to Euclidean lattice systemPalabras claves:Autores:Ammon A., Andreas Griewank, Hartung T., Jansen K., Leovey H., Müller-Preussker M.Fuentes:scopusApplication of AD-based Quasi-Newton Methods to Stiff ODEs
ArticleAbstract: Systems of stiff ordinary differential equations (ODEs) can be integrated properly only by implicitPalabras claves:Adjoint-based update, ADOL-C, Quasi-Newton, Scaling invariance, Stiff ODEAutores:Andreas Griewank, Schlenkrich S., Walther A.Fuentes:scopus