2022

Diehl, Elisabeth ; Haubner, Johannes ; Ulbrich, Michael ; Ulbrich, Stefan (2022)
Differentiability results and sensitivity calculation for optimal control of incompressible two-phase Navier-Stokes equations with surface tension.
In: Computational Optimization and Applications
doi: 10.1007/s10589-022-00415-6
Artikel, Bibliographie

2019

Haubner, Johannes ; Ulbrich, Michael ; Ulbrich, Stefan (2019)
Analysis of shape optimization problems for unsteady fluid-structure interaction.
In: Inverse Problems, 2019
doi: 10.1088/1361-6420/ab5a11
Artikel, Bibliographie

2017

Ulbrich, Michael ; Ulbrich, Stefan ; Bratzke, Daniela (2017)
A Multigrid Semismooth Newton Method for Semilinear Contact Problems.
In: Journal of Computational Mathematics, 35 (4)
Artikel, Bibliographie

Fischer, Michael ; Lindemann, Florian ; Ulbrich, Michael ; Ulbrich, Stefan (2017)
Fréchet Differentiability of Unsteady Incompressible Navier--Stokes Flow with Respect to Domain Variations of Low Regularity by Using a General Analytical Framework.
In: SIAM Journal on Control and Optimization, 55 (5)
doi: 10.1137/16m1089563
Artikel, Bibliographie

2009

Hinze, Michael ; Pinnau, Rene ; Ulbrich, Michael ; Ulbrich, Stefan (2009)
Optimization with PDE constraints.
Buch, Bibliographie

Ulbrich, Michael ; Ulbrich, Stefan (2009)
Primal-dual interior-point methods for PDE-constrained optimization.
In: Math. Progr., 117
Artikel, Bibliographie

2004

Ulbrich, Michael ; Ulbrich, Stefan ; Vicente, Luis N. (2004)
A globally convergent primal-dual interior point filter method for nonlinear programming.
In: Mathematical Programming, 100
Artikel, Bibliographie