Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021AdvWarp: A Transformation Algorithm for Advanced Modeling of Gas Compressors and Drives
Baldin, Anton; Cassirer, K.; Clees, T.; Klaassen, B.; Nikitin, I.; Nikitina, L.; Pott, S.
Conference Paper
2021Efficient method for simulation of long-distance gas transport networks with large amounts of hydrogen injection
Clees, Tanja; Baldin, Anton; Klaassen, Bernhard; Nikitina, Lialia; Nikitin, Igor; Spelten, Philipp
Journal Article
2021Mathematical modeling and visualization of topologically non-trivial solutions in general relativity
Nikitin, I.
Conference Paper
2021MathEnergy - Mathematical Key Technologies for Evolving Energy Grids
Clees, Tanja; Baldin, Anton; Benner, Peter; Grundel, Sara; Himpe, Christian; Klaassen, Bernhard; Küsters, Ferdinand; Marheineke, Nicole; Nikitina, Lialia; Nikitin, Igor; Pade, Jonas; Stahl, Nadine; Strohm, Christian; Tischendorf, Caren; Wirsen, Andreas
Book Article
2021On dark stars, galactic rotation curves and fast radio bursts
Nikitin, I.
Conference Paper
2020Mathematical Modeling of Alkaline Methanol Oxidation for Design of Efficient Fuel Cells
Clees, Tanja; Nikitin, Igor; Nikitina, Lialia; Pott, Sabine; Krewer, Ulrike; Haisch, Theresa
Conference Paper
2020The origin of the hysteresis in cyclic voltammetric response of alkaline methanol electrooxidation
Haisch, Theresa; Kubannek, Fabian; Nikitina, Lialia; Nikitin, Igor; Pott, Sabine; Clees, Tanja; Krewer, Ulrike
Journal Article
2020Parameter Identification and Model Reduction in the Design of Alkaline Methanol Fuel Cells
Clees, Tanja; Klaassen, Bernhard; Nikitin, Igor; Nikitina, Lialia; Pott, Sabine; Krewer, Ulrike; Haisch, Theresa; Kubannek, Fabian
Journal Article
2020Topological Reduction of Stationary Network Problems: Example of Gas Transport
Baldin, Anton; Clees, Tanja; Klaassen, Bernhard; Nikitin, Igor; Nikitina, Lialia
Journal Article
2019Model Reduction in the Design of Alkaline Methanol Fuel Cells
Clees, Tanja; Klaassen, Bernhard; Nikitin, Igor; Nikitina, Lialia; Pott, Sabine; Krewer, Ulrike; Haisch, Theresa
Conference Paper
2019Topological Reduction of Gas Transport Networks
Baldin, Anton; Clees, Tanja; Fuchs, Barbara; Klaassen, Bernhard; Nikitin, Igor; Nikitina, Lialia; Torgovitskaia, Inna
Conference Paper
2018Identification of the kinetics of the alkaline methanol electro-oxidation reaction by dynamic methods
Haisch, T.; Kubannek, F.; Nikitina, L.; Nikitin, I.; Clees, T.; Krewer, U.
Conference Paper
2018Making network solvers globally convergent
Clees, Tanja; Nikitin, Igor; Nikitina, Lialia
Conference Paper
2018Mathematical modeling of electrochemical kinetics of alkaline methanol oxidation
Nikitin, Igor; Clees, Tanja; Nikitina, Lialia; Pott, Sabine; Krewer, Ulrike; Windorfer, Theresa
Journal Article
2018Modeling of gas compressors and hierarchical reduction for globally convergent stationary network solvers
Clees, Tanja; Nikitin, Igor; Nikitina, Lialia; Segiet, Lukasz
Journal Article
2018Origin of the hysteresis between forward and reverse peak in cyclic voltammograms of the alkaline methanol electrooxidation
Haisch, T.; Kubannek, F.; Nikitina, L.; Nikitin, I.; Pott, S.; Clees, T.; Krewer, U.
Conference Paper
2018Parameter identification in cyclic voltammetry of alkaline methanol oxidation
Clees, T.; Nikitin, I.; Nikitina, L.; Pott, S.; Krewer, U.; Haisch, T.
Conference Paper
2018Parameter identification in electrochemical kinetics of alkaline methanol oxidation
Clees, Tanja; Nikitin, Igor; Nikitina, Lialia; Pott, Sabine
Journal Article
2018Universal translation algorithm for formulation of transport network problems
Baldin, A.; Cassirer, K.; Clees, T.; Klaassen, B.; Nikitin, I.; Nikitina, L.; Torgovitskaia, I.
Conference Paper
2017Advanced modeling of gas compressors for globally convergent stationary network solvers
Clees, Tanja; Nikitin, Igor; Nikitina, Lialia
Conference Paper
2017Cooling Circuit Simulation I: Modeling
Clees, Tanja; Hornung, Nils; Lluch, Eric; Nikitin, Igor; Nikitina, Lialia; Torgovitskaia, Inna
Book Article
2017Electrochemical impedance spectroscopy of alkaline methanol oxidation
Clees, Tanja; Nikitin, Igor; Nikitina, Lialia; Steffes-lai, Daniela; Pott, Sabine; Krewer, Ulrike; Windorfer, Theresa
Conference Paper
2017Methods of Registration of Weak Radio Signals
Klimenko, S.; Klimenko, A.; Konich, K.; Nikitin, I.; Nikitina, L.; Malofeev, V.; Tyul’bashev, S.
Book Article
2017Numerical modeling of relativistic networks
Klimenko, S.; Nikitin, I.; Nikitina, L.; Konich, K.; Reinartz, K.
Journal Article
2017Numerical solutions of Einstein field equations with radial dark matter
Klimenko, S.; Nikitin, I.; Nikitina, L.
Journal Article
2017Reliability experiments of sintered silver based interconnections by accelerated isothermal bending tests
Heilmann, J.; Nikitin, I.; Zschenderlein, U.; May, D.; Pressel, K.; Wunderle, B.
Journal Article
2017River Bed Morphodynamics: Metamodeling, Reliability Analysis, and Visualization in a Virtual Environment
Clees, Tanja; Nikitin, Igor; Nikitina, Lialia; Pott, Sabine; Klimenko, Stanislav
Book Article
2017Search for and detection of pulsars inmonitoring observations at 111 MHz
Tyul’bashev, S.A.; Tyul’bashev, V.S.; Kitaeva, M.A.; Chernyshova, A.I.; Malofeev, V.M.; Chashei, I.V.; Shishov, V.I.; Dagkesamanskii, R.D.; Klimenko, S.V.; Nikitin, I.N.; Nikitina, L.D.
Journal Article
2017StarWatch 3.0: Visualizing wave patterns of phased array radio telescopes
Klimenko, S.; Konich, K.; Nikitin, I.; Nikitina, L.
Conference Paper
2016Advances and challenges of experimental reliability investigations for lifetime modelling of sintered silver based interconnections
Heilmann, J.; Nikitin, I.; Zschenderlein, U.; May, D.; Pressel, K.; Wunderle, B.
Conference Paper
2016A globally convergent method for generalized resistive systems and its application to stationary problems in gas transport networks
Clees, T.; Hornung, N.; Nikitin, I.; Nikitina, L.
Conference Paper
2016Measurement and modeling of the effective thermal conductivity of sintered silver pastes
Ordonez-Miranda, J.; Hermens, M.; Nikitin, I.; Kouznetsova, V.G.; Sluis, O. van der; Ras, M.A.; Reparaz, J.S.; Wagner, M.R.; Sledzinska, M.; Gomis-Bresco, J.; Sotomayor Torres, C.M.; Wunderle, B.; Volz, S.
Journal Article
2016MYNTS: Multi-phYsics NeTwork Simulator
Clees, Tanja; Cassirer, Kläre; Hornung, Nils; Klaassen, Bernhard; Nikitin, Igor; Nikitina, Lialia; Suter, Robin; Torgovitskaia, Inna
Conference Paper
2016RBF-metamodel driven multi-objective optimization and its applications
Clees, Tanja; Hornung, Nils; Nikitin, Igor; Nikitina, Lialia; Steffes-lai, Daniela
Journal Article
2016StarWatch 2.0: RFI filter for SETI signals
Klimenko, S.; Nikitin, I.; Nikitina, L.; Konich, K.; Reinartz, K.; Tyul'Bashev, S.
Conference Paper
2015Quasi-Monte Carlo and RBF metamodeling for quantile estimation in river bed morphodynamics
Clees, T.; Nikitin, I.; Nikitina, L.; Pott, S.
Conference Paper
2015Radio Astronomical Monitoring in Virtual Environment
Klimenko, Stanislav; Konich, Kira; Nikitin, Igor; Malofeev, Valery; Tyul'bashev, Sergey
Journal Article
2015RBF-metamodel Driven Multiobjective Optimization and its Application in Focused Ultrasonic Therapy Planning
Clees, Tanja; Hornung, Nils; Nikitin, Igor; Nikitina, Lialia; Steffes-Lai, Daniela
Conference Paper
2015StarWatch: Radio Astronomical Monitoring in Virtual Environment
Klimenko, Stanislav; Nikitin, Igor; Malofeev, Valerie
Conference Paper
2015Thermo-Mechanical characterization and reliability modelling of sintered silver based thermal interface materials
Heilmann, J.; Nikitin, I.; May, D.; Pressel, K.; Wunderle, B.
Conference Paper
2015Where am I? A Fast Multidimensional Point Location Test and its Applications
Clees, Tanja; Huttemann, Martin; Nikitin, Igor; Nikitina,Lialia; Steffes-Lai, Daniela
Conference Paper
2014Accelerated reliability testing and modeling of subsystems based on sintered silver thermal interface materials
Heilmann, J.; Nikitin, I.; Pressel, K.; Wunderle, B.
Conference Paper
2014Focused ultrasonic therapy planning: Metamodeling, optimization, visualization
Clees, T.; Hornung, N.; Nikitin, I.; Nikitina, L.; Steffes-lai, D.; Klimenko, S.
Journal Article
2013Analysis of bulky crash simulation results: Deterministic and stochastic aspects
Clees, T.; Nikitin, I.; Nikitina, L.; Thole, C.-A.
Conference Paper
2013Efficient quantile estimators for river bed morphodynamics
Clees, T.; Nikitin, I.; Nikitina, L.; Pott, S.
Conference Paper
2013Modern information technology: Information visualization, virtual environment, neo-geography, tangible images
Aleshin, A.; Afanasiev, V.; Brusentsev, P.; Eremchenko, E.; Klimenko, A.; Klimenko, S.; Nikitin, I.; Nikitina, L.; Pestrikov, V.; Sourin, A.; Sourina, O.
Journal Article
2013Multi-objective optimization and stochastic analysis in focused ultrasonic therapy simulation
Clees, T.; Hornung, N.; Nikitin, I.; Nikitina, L.; Steffes-lai, D.
Conference Paper
2013Reliability of advanced thermal interface technologies based on sintered die-attach materials
Heilmann, J.; Nikitin, I.; May, D.; Pressel, K.; Wunderle, B.
Conference Paper
2012Nonlinear metamodeling of bulky data and applications in automotive design
Nikitina, L.; Nikitin, I.; Clees, T.
Conference Paper
2012Reliability analysis of river bed simulation models
Clees, T.; Nikitin, I.; Nikitina, L.; Kopmann, R.
Conference Paper
2012Sensitivity and robustness aspects in focused ultrasonic therapy simulation
Borsotto, D.; Clees, T.; Nikitin, I.; Nikitina, L.; Steffes-Lai, D.; Thole, C.-A.
Conference Paper
2012Stochastic analysis and nonlinear metamodeling of crash test simulations and their application in automotive design
Nikitin, I.; Nikitina, L.; Clees, T.
Book Article
2011Nonlinear metamodeling and robust optimization in automotive design
Clees, T.; Nikitin, I.; Nikitina, L.; Thole, C.-A.
Conference Paper
2010Advanced mode analysis for crash simulation results
Thole, C.-A.; Nikitina, L.; Nikitin, I.; Clees, T.
Conference Paper
2008Interactive optimization with DesParO
Steffes-lai, D.; Thole, C.-A.; Nikitin, I.; Nikitina, L.
Journal Article
2008Towards interactive simulation in automotive design
Stork, A.; Thole, C.-A.; Klimenko, S.; Nikitin, I.; Nikitina, L.; Astakhov, Y.
Journal Article
2007Constrained optimization with DesParO
Thole, C.-A.; Nikitina, L.; Nikitin, I.; Steffes-lai, D.; Roel, K.; Bruns, J.
Conference Paper
2007Simulated reality in automotive design
Stork, André; Thole, Clemens-August; Klimenko, Stanislav; Nikitin, Igor; Nikitina, Lialia; Astakhov, Yuri
Conference Paper
2006Avango. Systema rasrabotki virtualneuch okruschenii
Klimenko, S.V.; Nikitin, I.; Nikitina, L.
Book
2006Sceptre: An infrared laser tracking system for virtual environments
Wienss, C.; Nikitin, I.; Goebbels, G.; Troche, K.; Göbel, M.; Nikitina, L.; Müller, S.
Conference Paper
2005Dirac quantization of nambu-goto open string theory in four-dimensional minkowski spacetime
Nikitin, I.N.
Journal Article
2004Relativistic strings
Klimenko, S.V.; Nikitin, I.N.
Book
2003Flexible materials in AvangoTM virtual environment
Nikitin, I.; Nikitina, L.; Frolov, P.
Conference Paper
2003Produktentwicklung mit Virtual Reality und Teleconferencing
Klocke, F.; Straube, A.M.; Kruijff, E.P.C.; Nikitin, I.
Journal Article
2002Adventures of Möbius band - mathematical visualization in virtual environment
Klimenko, S.; Nielson, G.M.; Nikitina, L.; Nikitin, I.
Conference Paper
2002Real-time simulation of elastic objects in Virtual Environments using finite element method and precomputed Green´s functions
Nikitin, I.; Nikitina, L.; Frolov, P.; Goebbels, G.; Göbel, M.; Klimenko, S.; Nielson, G.M.
Conference Paper
2002Virtual Environment Laboratories based on Personal Computers: Principles and Applications
Brusentsev, P.; Foursa, M.; Frolov, P.; Klimenko, S.; Matveyev, S.; Nikitin, I.; Nikitina, L.
Conference Paper
2001Numerical methods for the three-dimensional two-body problem in the action-at-a-distance electrodynamics
Nikitin, I.N.; Luca, J. de
Journal Article
2001On structure of solutions of 3-dimensional 2-body problem solutions in Wheeler-Feynman electrodynamics
Klimenko, S.; Nikitin, I.
Journal Article
2001Topological zoo mathematical visualization in virtual environment
Göbel, M.; Klimenko, S.; Nikitin, L.; Nikitin, I.
Conference Paper
2001Visualization of Complex Dynamical Systems in Theoretical Physics
Fomenko, A.; Klimenko, S.; Nikitin, I.
Journal Article
2000Methods of numerical analysis of 1-dimensional 2-body problem in Wheeler-Feynman electrodynamics
Klimenko, S.; Nikitin, I.; Urazmetov, W.
Journal Article
2000Methods of numerical analysis of 1-dimensional 2-body problem in Wheeler-Feynman electrodynamics
Klimenko, S.; Nikitin, I.; Urazmetov, W.
Conference Paper
2000Towards the Distributed Virtual Education and Training Environment
Nikitin, I.; Burkin, V.; Klimenko, S.
Journal Article
2000Virtual Planetarium at Exhibition `Zeit Reise`
Nikitin, I.; Klimenko, S.
Journal Article
2000Virtual Planetarium in CyberStage
Burkin, V.; Göbel, M.; Hasenbrink, F.; Klimenko, S.; Nikitin, I.; Tramberend, H.
Conference Paper
2000Visualization in string theory
Klimenko, S.; Nikitin, I.; Burkin, V.; Semenov, V.; Tarlapan, O.; Hagen, H.
Journal Article
1999Visualization in string theory
Klimenko, K.; Nikitin, I.; Burkin, V.; Semenov, V.; Tarlapan, O.; Hagen, H.
Conference Paper
1998Exotic solutions in string theory
Klimenko, S.; Nikitin, I.
Journal Article
1998Meditation on homotopy of embedding
Klimenko, S.; Nikitin, I.
Conference Paper
1998On structure of solutions of 1-dimensional 2-body problem in Wheeler-Feynman electrodynamics
Klimenko, S.; Nikitin, I.; Urazmetov, W.
Journal Article
1998Sudiy of singularities on world sheets of open relativistic strings
Klimenko,S.; Nikitin, I.
Journal Article
1998Visualization and animation of relativistic string dynamics
Burkin, V.; Klimenko, S.; Nikitin, I.
Journal Article
1998Visualization in topology: Assembling the projective plane
Göbel, M.; Tramberend, H.; Klimenko, S.; Nikitin, I.
Journal Article
1998Visualization of complex physical phenomena and mathematical objects in virtual environment
Klimenko, S.; Nikitin, I.
Conference Paper
1997Visualisierung mathematischer Objekte und komplexer physikalischer Phänomene in einer virtuellen Umgebung
Klimenko, S.; Nikitin, I.
Journal Article
1997Visualization in topology: Assembling the projective plane
Göbel, M.; Tramberend, H.; Klimenko, S.; Nikitin, I.
Conference Paper