activity
20192024
most citedQuasi-Newton Methods for Topology Optimization Using a Level-Set Method

15 citations · 103 across the 13 of their papers we have counts for

collaborators

14 papers

math.OC2024★ 15 cited

CFD-based Shape Optimization of Structured Packings for Enhancing Separation Efficiency in Distillation

Sebastian Blauth, Dennis Stucke, Mohamed Adel Ashour +3

Free-form shape optimization techniques are investigated to improve the separation efficiency of structured packings in laboratory-scale distillation columns. A simplified simulati…

math.OC2024★ 2 cited

A Novel Deflation Approach for Topology Optimization and Application for Optimization of Bipolar Plates of Electrolysis Cells

Leon Baeck, Sebastian Blauth, Christian Leithäuser +2

Topology optimization problems usually feature multiple local minimizers. To guarantee convergence to local minimizers that perform best globally or to find local solutions that ar…

math.OC2024

Computing Multiple Local Minimizers for the Topology Optimization of Bipolar Plates in Electrolysis Cells

Leon Baeck, Sebastian Blauth, Christian Leithäuser +2

In this paper we consider the topology optimization for a bipolar plate of a hydrogen electrolysis cell. We use the Borvall-Petersson model to describe the fluid flow and derive a…

math.OC2023★ 1 cited

Continuous Synthesis of Diazo Acetonitrile: From Experiments to Physical and Grey-Box Modeling

Marco Baldan, Sebastian Blauth, Dušan Bošković +6

Diazo compounds are gathering interest for their potential in promoting greener synthesis routes. We investigate, at a lab-scale, the continuous synthesis of diazo acetonitrile (DA…

math.OC2023★ 8 cited

Multi-Criteria Shape Optimization of Flow Fields for Electrochemical Cells

Sebastian Blauth, Marco Baldan, Sebastian Osterroth +7

We consider the shape optimization of flow fields for electrochemical cells. Our goal is to improve the cell by modifying the shape of its flow field. To do so, we introduce simula…

math.OC2023★ 5 cited

Topology Optimization for Uniform Flow Distribution in Electrolysis Cells

Leon Baeck, Sebastian Blauth, Christian Leithäuser +2

In this paper we consider the topology optimization for a bipolar plate of a hydrogen electrolysis cell. We present a model for the bipolar plate using the Stokes equation with an…

math.OC2023★ 15 cited

Quasi-Newton Methods for Topology Optimization Using a Level-Set Method

Sebastian Blauth, Kevin Sturm

The ability to efficiently solve topology optimization problems is of great importance for many practical applications. Hence, there is a demand for efficient solution algorithms.…

math.OC2023★ 1 cited

Asymptotic Analysis for Optimal Control of the Cattaneo Model

Sebastian Blauth, René Pinnau, Matthias Andres +1

We consider an optimal control problem with tracking-type cost functional constrained by the Cattaneo equation, which is a well-known model for delayed heat transfer. In particular…

physics.med-ph2022★ 4 cited

Validating a Simulation Model for Laser-Induced Thermotherapy Using MR Thermometry

Frank Hübner, Sebastian Blauth, Christian Leithäuser +3

Laser-induced interstitial thermotherapy (LITT) is applied to ex-vivo porcine livers. An artificial blood vessel is used to study the cooling effect of larger blood vessels in prox…

math.OC2020★ 8 cited

Optimal Control of the Sabatier Process in Microchannel Reactors

Sebastian Blauth, Christian Leithäuser, René Pinnau

We consider the optimization of a chemical microchannel reactor by means of PDE constrained optimization techniques, using the example of the Sabatier reaction. To model the chemic…

math.OC2020★ 10 cited

Shape Sensitivity Analysis for a Microchannel Cooling System

Sebastian Blauth, Christian Leithäuser, René Pinnau

We analyze the theoretical framework of a shape optimization problem for a microchannel cooling system. To this end, a cost functional based on the tracking of absorbed energy by t…

math.OC2019★ 10 cited

Model Hierarchy for the Shape Optimization of a Microchannel Cooling System

Sebastian Blauth, Christian Leithäuser, René Pinnau

We model a microchannel cooling system and consider the optimization of its shape by means of shape calculus. A three-dimensional model covering all relevant physical effects and t…

math.AP2019★ 14 cited

Mathematical Modeling of Vaporization during Laser-Induced Thermotherapy in Liver Tissue

Sebastian Blauth, Frank Hübner, Christian Leithäuser +2

Laser-induced thermotherapy (LITT) is a minimally invasive method causing tumor destruction due to heat ablation and coagulative effects. Computer simulations can play an important…

math.OC2019★ 10 cited

Identification of the Blood Perfusion Rate for Laser-Induced Thermotherapy in the Liver

Matthias Andres, Sebastian Blauth, Christian Leithäuser +1

Using PDE-constrained optimization we introduce a parameter identification approach which can identify the blood perfusion rate from MR thermometry data obtained during the treatme…