Novel H (symCurl)-conforming finite elements for the relaxed micromorphic sequence

A Sky, M Neunteufel, P Lewintan, A Zilian… - Computer Methods in …, 2024 - Elsevier
In this work we construct novel H (sym Curl)-conforming finite elements for the recently
introduced relaxed micromorphic sequence, which can be considered as the completion of …

[HTML][HTML] Polytopal templates for semi-continuous vectorial finite elements of arbitrary order on triangulations and tetrahedralizations

A Sky, I Muench - Finite Elements in Analysis and Design, 2024 - Elsevier
The Hilbert spaces H (curl) and H (div) are employed in various variational problems
formulated in the context of the de Rham complex in order to guarantee well-posedness …

Intrinsic mixed-dimensional beam-shell-solid couplings in linear Cosserat continua via tangential differential calculus

A Sky, JS Hale, A Zilian, SPA Bordas, P Neff - Computer Methods in …, 2024 - Elsevier
We present an approach to the coupling of mixed-dimensional continua by employing the
mathematically enriched linear Cosserat micropolar model. The kinematical reduction of the …

The von Neumann extension theory for abstract Friedrichs operators

M Erceg, SK Soni - Zeitschrift für Analysis und ihre Anwendungen, 2024 - ems.press
The theory of abstract Friedrichs operators was introduced some fifteen years ago with the
aim of providing a more comprehensive framework for the study of positive symmetric …

Formulae and transformations for simplicial tensorial finite elements via polytopal templates

A Sky, M Neunteufel, JS Hale, A Zilian - arXiv preprint arXiv:2405.10402, 2024 - arxiv.org
We introduce a unified method for constructing the basis functions of a wide variety of
partially continuous tensor-valued finite elements on simplices using polytopal templates …

Novel -conforming elements on regular triangulations and Clough--Tocher splits for the planar relaxed micromorphic model

A Sky, M Neunteufel, P Lewintan, P Gourgiotis… - arXiv preprint arXiv …, 2024 - arxiv.org
In this work we present a consistent reduction of the relaxed micromorphic model to its
corresponding two-dimensional planar model, such that its capacity to capture …

Boundary Integral Exterior Calculus

E Schulz - 2022 - research-collection.ethz.ch
In this thesis, we ultimately develop first-kind boundary integral equations for boundary
value problems involving the Hodge--Dirac and Hodge--Laplace operators associated with …