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Cluster: PDE-constrained optimization & multi-level/multi-grid methods


10:30 - 12:00, room: MA 415

Chair: Michael Ulbrich
Applications of PDE-constrained optimization

Pinnau Exploiting model hierarchies in space mapping optimization [...]
Ulbrich An adaptive semismooth Newton-CG method for constrained parameter identification in seismic tomography [...]


13:15 - 14:45, room: MA 415

Chair: Lutz Lehmann
Iterative solution of PDE constrained optimization and subproblems

Zhlobich Multilevel quasiseparable matrices in PDE-constrained optimization [...]
Kriwet Covariance matrix computation for parameter estimation in nonlinear models solved by iterative linear algebra methods [...]
Lehmann Optimal sequencing of primal, adjoint and design steps. [...]


15:15 - 16:45, room: MA 415

Chair: Antoine Laurain
Numerical methods in shape and topology optimization

Sturm Shape optimization for an interface problem in linear elasticity for distortion compensation [...]
Schulz On the usage of the shape Hessian in aerodynamic shape optimization [...]




10:30 - 12:00, room: MA 415

Chair: Stefan Ulbrich
Adaptive methods in PDE constrained optimization

Wollner Adaptive finite element discretizations in structural optimization [...]
Hoppe Adaptive space-time finite element approximations of parabolic optimal control problems [...]


13:15 - 14:45, room: MA 415

Chair: Dietmar Hömberg
Optimization applications in industry I

Sprekels Optimal control problems arising in the industrial growth of bulk semiconductor single crystals [...]
Stingelin Applications of optimal control in electromagnetic flow measurement [...]
Tse Optimal boundary control of natural convection-radiation model in melting furnaces [...]


15:15 - 16:45, room: MA 415

Chair: Dietmar Hömberg
Optimization applications in industry II

Ulbrich Multilevel optimization based on adaptive discretizations and reduced order models for engineering applications [...]
Grepl A certified reduced basis approach for parametrized linear-quadratic optimal control problems [...]
Yousept PDE-constrained optimization involving eddy current equations [...]




10:30 - 12:00, room: MA 415

Chair: Dietmar Hömberg
Optimization applications in industry III

Herzog Optimal control of elastoplastic processes [...]
Schiela An adaptive multilevel method for hyperthermia treatment planning [...]
Stingl Material optimization: From theory to practice [...]


13:15 - 14:45, room: MA 415

Chair: Dietmar Hömberg
Optimization applications in industry IV

Pesch Direct versus indirect solution methods in real-life applications: Load changes of fuel cells [...]
Landry Modeling of the optimal trajectory of industrial robots in the presence of obstacles [...]
Désidéri Multiple gradient descent algorithm (MGDA) for multi-objective optimization with application to compressible aerodynamics [...]


15:15 - 16:45, room: MA 415

Chair: Dietmar Hömberg
Optimization applications in industry V

Roesch Optimal control of a chemotaxis problem [...]
Laurain A shape and topology optimization method for inverse problems in tomography [...]
Hokenmaier Optimization with discontinuities and approximations in process engineering [...]




10:30 - 12:00, room: H 0111

Chair: Anton Schiela
PDE optimization in medicine I

Fernandez Optimizing a chemotherapy model for brain tumors by using PDE [...]
Schwen Modeling flow through realistic, algorithmically generated vascular structures in the liver [...]
Lubkoll Optimal control in implant shape design [...]


10:30 - 12:00, room: MA 415

Chair: Dietmar Hömberg
Optimization applications in industry VI

Kostina Optimization methods for nonlinear model predictive control of non-stationary partial differential equations [...]
Vossen Optimization and model reduction methods for heat source determination in welding [...]
Hömberg Optimal control of multiphase steel production [...]


13:15 - 14:45, room: H 0111

Chair: Anton Schiela
PDE optimization in medicine II

Barnard Optimal radiotherapy treatment planning using minimum entropy models [...]
Nagaiah Numerical solutions for boundary control of bidomain equations in cardiac electrophysiology [...]
Kirchner Large deformation diffeomorphic metric mapping using conforming adaptive finite elements [...]


13:15 - 14:45, room: MA 415

Chair: Michael Ulbrich
Theory and methods for PDE-constrained optimization problems with inequalities

Silva Alvarez Characterization of quadratic growth for strong minima in the optimal control of semi-linear elliptic equations [...]
Weiser Goal-oriented estimation for nonlinear optimal control problems [...]
Kruse An infeasible interior point method for optimal control problems with state constraints [...]


15:15 - 16:45, room: H 0111

Chair: Andreas Griewank
Adjoint-based methods and algorithmic differentiation in large scale optimization

Strogies A time-labeling approach for open pit mine planning [...]
Özkaya Automatic differentiation of an unsteady RANS solver for optimal active flow control [...]
Schmidt Large scale shape optimization [...]


15:15 - 16:45, room: MA 415

Chair: Wotao Yin
Variational methods in image processing and compressed sensing

Dong A convex variational model for restoring blurred images with multiplicative noise [...]
Jiang Surveillance video processing using compressive sensing [...]
Wu A nonconvex TVq model in image restoration [...]




10:30 - 12:00, room: H 0111

Chair: Mohamed Abdul majeed Al Lawati
Optimal control of PDEs with advection terms

Younes The Navier-Stokes problem in velocity-pressure formulation: Convergence and optimal control [...]
Pfaff Optimal boundary control for nonlinear hyperbolic conservation laws with source terms [...]
Al Lawati A rational characteristic method for advection diffusion equations [...]


10:30 - 12:00, room: MA 415

Chair: Jane Ghiglieri
Reduced order model based optimization

Schmidt POD reduced-order modeling in the context of direct-approach optimization [...]
Ghiglieri Optimal flow control based on POD and MPC for the cancellation of Tollmien-Schlichting waves by plasma actuators [...]
Koller Optimal control of hydroforming processes based on POD [...]


13:15 - 14:45, room: H 0111

Chair: Caroline Löbhard
PDE-constrained optimization problems with non-smooth structures

Luong A multiresolution algorithm for large scale non-smooth convex optimization problems [...]
Vallejos Multigrid methods for elliptic optimal control problems with pointwise mixed control-state constraints [...]
Löbhard Optimal control of elliptic variational inequalities: A mesh-adaptive finite element solver [...]


13:15 - 14:45, room: MA 415

Chair: Robert Michael Lewis
Hierarchical methods for the design of nanoporous materials

Boggs Combining multi-grid and domain decomposition as preconditioners for a class of multi-level PDE-constrained optimization problems [...]
Gay Optimization algorithms for hierarchical problems, with application to nanoporous materials [...]
Lewis Using inexact gradients in a multilevel optimization algorithm [...]


15:15 - 16:45, room: H 0111

Chair: Roland Herzog
Preconditioning in PDE constrained optimization

Kollmann Robust iterative solvers for a class of PDE-constrained optimization problems [...]
Pearson Iterative solution techniques for Stokes and Navier-Stokes control problems [...]
Sachs Reduced order models in preconditioning techniques [...]


15:15 - 16:45, room: MA 415

Chair: Volker H. Schulz
PDE constrained optimization with uncertain data

Tiesler Stochastic collocation for optimal control problems with stochastic PDE constraints [...]
Schillings On the influence of robustness measures on shape optimization with stochastic uncertainties [...]
Heinkenschloss A trust-region based adaptive stochastic collocation method for PDE constrained optimization with uncertain coefficients [...]



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