Hans Christian Öttinger

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Öttinger

First Name

Hans Christian

ORCID

0000-0003-0096-3176

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Publications1 - 10 of 189

A lubricated cross-slot channel with 2D complex flow kinematics as an optical rheometer for polymer melts
Sadati, Monirosadat; Luap, Clarisse; Kröger, Martin; et al. (2011)
Irreversible dynamics, Onsager-Casimir symmetry, and an application to turbulence
Öttinger, Hans Christian (2014)
Physical Review E
The mathematical procedure of coarse graining
Öttinger, Hans Christian; Struchtrup, Henning (2007)
Multiscale Modeling & Simulation
The equivalence of the class of Rivlin-Sawyers equations and a class of stochastic models for polymer stress
Feigl, K.; Öttinger, Hans Christian (2001)
Journal of Mathematical Physics
On Maxwell's Relations of Thermodynamics for Polymeric Liquids away from Equilibrium
Baig, Chunggi; Mavrantzas, Vlasios; Öttinger, Hans Christian (2011)
Macromolecules
Toy Model of Hydrodynamic Fluctuations
Öttinger, Hans Christian (2006)
Physical Review Letters
Entropic boundary conditions for 13 moment equations in rarefied gas flows
Zinner, Carl Philipp; Öttinger, Hans Christian (2019)
Physics of Fluids
One of the major challenges in extending hydrodynamics to far from equilibrium gas flows comes with the need of new boundary conditions for any new modeling approach. The difficulty lies in finding an accurate set of physical conditions at the boundary which simultaneously form a well-posed system of equations. In this paper, we study a system of moment equations for rarefied gas flows that comes equipped with an entropy. This allows a straightforward derivation of boundary conditions which are consistent with the mathematical requirements of the system. The complete nonlinear system is simulated in a rarefied channel flow setting and compared to standard approaches. The results exhibit most of the desired rarefaction effects, such as temperature jump and velocity slip at the wall.
Generalized Doi-Ohta Model for Multiphase Flow Developed via GENERIC
Wagner, Norman J.; Öttinger, Hans Christian; Edwards, Brian J. (1999)
AIChE Journal
Composite higher derivative theory of gravity
Öttinger, Hans Christian (2020)
Physical Review Research
We investigate a higher derivative theory that belongs to the class of composite field theories. Starting from the Yang-Mills theory based on the Lorentz group, we express the gauge vector fields in terms of the tetrad decomposition of a space-time metric with a nontrivial coupling constant. The resulting composite gauge theory is a natural candidate for an alternative theory of pure gravity. In the limit of vanishing coupling constant, all classical high-precision tests for theories of gravity are passed. An exact static isotropic solution is found, which is less singular than the Schwarzschild solution of general relativity. Composite field theories come with a natural canonical Hamiltonian formulation and a natural set of constraints, so that they provide an ideal setting for future quantization. Finally, we propose possible couplings of the gravitational field to matter.
Bridging length and time scales in sheared demixing systems
Jelić, Asja; Ilg, Patrick; Öttinger, Hans Christian (2010)
Physical Review E

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Hans Christian Öttinger

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