| edoc-Server der Humboldt-Universität zu Berlin |
| Publikationsart: | Artikel |
| Autor(en): | Jürgen Geiser; Christian Fleck |
| Titel: | Adaptive Step-Size Control in Simulation of Diffusive CVD Processes |
| Erschienen in: |
Mathematical Problems in Engineering Volume 2009 2009 S. 1-34 http://www.hindawi.com/journals/mpe/ |
| DOI: | doi:10.1155/2009/728105 |
| Erstveröffentlichung: | 28.02.2009 |
| Einreichung: | 03.09.2008 |
| Veröffentlichung auf edoc: | 28.09.2009 |
| Status: |
published peer_reviewed |
| Volltext: | pdf (urn:nbn:de:kobv:11-100100541) |
| Fachgebiet(e): | Mathematik |
| Einrichtung: | Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät II |
| Verlagsinformation: | Mathematical Problems in Engineering publishes results of rigorous engineering research carried out using mathematical tools. Contributions containing formulations or results related to applications are also encouraged. The primary aim of Mathematical Problems in Engineering is rapid publication and dissemination of important mathematical work which has relevance to engineering. All areas of engineering are within the scope of the journal. In particular, aerospace engineering, bioengineering, chemical engineering, computer engineering, electrical engineering, industrial engineering and manufacturing systems, and mechanical engineering are of interest. Mathematical work of interest includes, but is not limited to, ordinary and partial differential equations, stochastic processes, calculus of variations, and nonlinear analysis. The most recent Impact Factor for Mathematical Problems in Engineering is 0.545 according to 2008 Journal Citation Reports released by Thomson Scientific (ISI) in 2009. |
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| We present control strategies of a diffusion process for chemical vapor deposition for metallic bipolar plates. In the models, we discuss the application of different models to simulate the plasma-transport of chemical reactants in the gas-chamber. The contribution are an optimal control problem based on a PID control to obtain a homogeneous layering. We have taken into account one- and two-dimensional problems that are given with constraints and control functions. A finite-element formulation with adaptive feedback control for time-step selection has been developed for the diffusion process. The optimization is presented with efficient algorithms. Numerical experiments are discussed with respect to the diffusion processes of the macroscopic model. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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