[HTML][HTML] Analysis of the discontinuous Petrov–Galerkin method with optimal test functions for the Reissner–Mindlin plate bending model

VM Calo, NO Collier, AH Niemi - Computers & Mathematics with …, 2014 - Elsevier
We analyze the discontinuous Petrov–Galerkin (DPG) method with optimal test functions
when applied to solve the Reissner–Mindlin model of plate bending. We prove that the …

Benchmark computations of stresses in a spherical dome with shell finite elements

AH Niemi - SIAM Journal on Scientific Computing, 2016 - SIAM
We present a computational framework for analyzing thin shell structures using the finite
element method. The framework is based on a mesh-dependent shell model which we …

Finite Element In-Depth Verification: Base Displacements of a Spherical Dome Loaded by Edge Forces and Moments

VG Terzi, TK Makarios - Modelling, 2023 - mdpi.com
Nowadays, engineers possess a wealth of numerical packages in order to design civil
engineering structures. The finite element method offers a variety of sophisticated element …

[HTML][HTML] The dome and the ring: Verification of an old mathematical model for the design of a stiffened shell roof

J Pitkäranta, I Babuška, B Szabó - Computers & Mathematics with …, 2012 - Elsevier
We study an old mathematical model, developed before the computer era, for analyzing the
strength of a stiffened shell roof. The specific problem considered is a textbook example …

[HTML][HTML] Direct solvers performance on h-adapted grids

M Paszynski, D Pardo, VM Calo - Computers & Mathematics with …, 2015 - Elsevier
We analyse the performance of direct solvers when applied to a system of linear equations
arising from an h-adapted, C 0 finite element space. Theoretical estimates are derived for …

[HTML][HTML] Application of a combined continuous–discontinuous Galerkin finite element method for the solution of the Girkmann problem

PRB Devloo, AM Farias, SM Gomes… - Computers & Mathematics …, 2013 - Elsevier
In January 2008, the International Association of Computational Mechanics (IACM) invited
the scientific community to solve the Girkmann problem by finite element methods. The …

Graph-grammar greedy algorithm for reutilization of partial LU factorization over 3D tetrahedral grids

A Paszyńska - Journal of Computational Science, 2017 - Elsevier
In this paper, we consider three-dimensional grids with tetrahedral finite elements, and the
graph grammar model for mesh generation and adaptation as well as for the simultaneous …

[PDF][PDF] Petri nets modeling of dead-end refinement problems in a 3d anisotropic hp-adaptive finite element method

A Szymczak, M Paszyński, D Pardo… - Computing and …, 2015 - core.ac.uk
We consider two graph grammar based Petri nets models for anisotropic refinements of
three dimensional hexahedral grids. The first one detects possible dead-end problems …

A balanced finite-element method for an axisymmetrically loaded thin shell

N Heuer, T Linß - arXiv preprint arXiv:2306.12952, 2023 - arxiv.org
We analyse a finite-element discretisation of a differential equation describing an
axisymmetrically loaded thin shell. The problem is singularly perturbed when the thickness …

A balanced finite-element method for an axisymmetrically loaded thin shell

N Heuer, T Linss - Applications of Mathematics, 2024 - Springer
We analyse a finite-element discretisation of a differential equation describing an
axisymmetrically loaded thin shell. The problem is singularly perturbed when the thickness …