Thermodynamically Consistent Space Time Discretization Of Non Isothermal Mechanical Systems In The Framework Of Generic
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Thermodynamically consistent space-time discretization of non-isothermal mechanical systems in the framework of GENERIC
Author: Schiebl, Mark Georg
language: en
Publisher: KIT Scientific Publishing
Release Date: 2022-01-18
The present work addresses the design of structure-preserving numerical methods that emanate from the general equation for non-equilibrium reversible-irreversible coupling (GENERIC) formalism. Novel energy-momentum (EM) consistent time-stepping schemes in the realm of molecular dynamics are proposed. Moreover, the GENERIC-based structure-preserving numerical methods are extended to the context of large-strain thermoelasticity and thermo-viscoelasticity.
Inverse dynamics of underactuated flexible mechanical systems governed by quasi-linear hyperbolic partial differential equations
Author: Ströhle, Timo
language: en
Publisher: KIT Scientific Publishing
Release Date: 2024-02-26
This work is about the inverse dynamics of underactuated flexible mechanical systems governed by quasi-linear hyperbolic partial differential equations subjected to time-varying Dirichlet boundary conditions that are enforced by unknown, spatially disjunct, hence non-collocated Neumann boundary conditions.
Characterisation and modelling of PC/ABS blends
Author: Hund, Jonas
language: en
Publisher: KIT Scientific Publishing
Release Date: 2022-05-02
The present work deals with the characterisation and multi-scale modelling of the large-strain response of ternary polymer blends. In a homogenised constitutive modelling approach, particularly the deformation behaviour featuring plastic dilatancy is investigated. Concerning the micromechanical modelling, constitutive models are proposed for the blends' individual phases and compared regarding their capabilities to capture the composition-dependent fracture toughness in unit cell models.