Multi-level hp-adaptivity: high-order mesh adaptivity without the difficulties of constraining hanging nodes
N Zander, T Bog, S Kollmannsberger… - Computational …, 2015 - Springer
The implementation of hp hp-adaptivity is challenging as hanging nodes, edges, and faces
have to be constrained to ensure compatibility of the shape functions. For this reason, most …
have to be constrained to ensure compatibility of the shape functions. For this reason, most …
Theoretical and numerical investigation of the finite cell method
We present a detailed analysis of the convergence properties of the finite cell method which
is a fictitious domain approach based on high order finite elements. It is proved that …
is a fictitious domain approach based on high order finite elements. It is proved that …
Finite and spectral cell method for wave propagation in heterogeneous materials
In the current paper we present a fast, reliable technique for simulating wave propagation in
complex structures made of heterogeneous materials. The proposed approach, the spectral …
complex structures made of heterogeneous materials. The proposed approach, the spectral …
A moment-fitted extended spectral cell method for structural health monitoring applications
The spectral cell method has been shown as an efficient tool for performing dynamic
analyses over complex domains. Its good performance can be attributed to the combination …
analyses over complex domains. Its good performance can be attributed to the combination …
On variationally consistent versus heuristic mass formulations in cut and extended finite element methods
While performing explicit dynamic analyses in a finite element context, engineers must often
balance the accuracy and robustness of a model against the computational savings offered …
balance the accuracy and robustness of a model against the computational savings offered …
[HTML][HTML] From geometric design to numerical analysis: a direct approach using the finite cell method on constructive solid geometry
B Wassermann, S Kollmannsberger, T Bog… - … & Mathematics with …, 2017 - Elsevier
During the last ten years, increasing efforts were made to improve and simplify the process
from Computer Aided Design (CAD) modeling to a numerical simulation. It has been shown …
from Computer Aided Design (CAD) modeling to a numerical simulation. It has been shown …
FCMLab: A finite cell research toolbox for MATLAB
N Zander, T Bog, M Elhaddad, R Espinoza, H Hu… - … in engineering software, 2014 - Elsevier
Abstract The recently introduced Finite Cell Method combines the fictitious domain idea with
the benefits of high-order finite elements. Although previous publications demonstrated the …
the benefits of high-order finite elements. Although previous publications demonstrated the …
Efficient integration method for fictitious domain approaches
S Duczek, U Gabbert - Computational Mechanics, 2015 - Springer
In the current article, we present an efficient and accurate numerical method for the
integration of the system matrices in fictitious domain approaches such as the finite cell …
integration of the system matrices in fictitious domain approaches such as the finite cell …
The finite and spectral cell methods for smart structure applications: transient analysis
S Duczek, S Liefold, U Gabbert - Acta Mechanica, 2015 - Springer
This article introduces a robust and efficient numerical tool that is well suited for the
simulation of ultrasonic guided waves and can be especially helpful when dealing with …
simulation of ultrasonic guided waves and can be especially helpful when dealing with …
The finite cell method for polygonal meshes: poly-FCM
S Duczek, U Gabbert - Computational Mechanics, 2016 - Springer
In the current article, we extend the two-dimensional version of the finite cell method (FCM),
which has so far only been used for structured quadrilateral meshes, to unstructured …
which has so far only been used for structured quadrilateral meshes, to unstructured …