Mathematical analysis of variational isogeometric methods

LB Da Veiga, A Buffa, G Sangalli, R Vázquez - Acta Numerica, 2014 - cambridge.org
This review paper collects several results that form part of the theoretical foundation of
isogeometric methods. We analyse variational techniques for the numerical resolution of …

Modeling of resistivity and acoustic borehole logging measurements using finite element methods

D Pardo, PJ Matuszyk, V Puzyrev, C Torres-Verdin… - 2021 - books.google.com
Modeling of Resistivity and Acoustic Borehole Logging Measurements Using Finite Element
Methods provides a comprehensive review of different resistivity and sonic logging …

PetIGA: A framework for high-performance isogeometric analysis

L Dalcin, N Collier, P Vignal, AMA Côrtes… - Computer Methods in …, 2016 - Elsevier
We present PetIGA, a code framework to approximate the solution of partial differential
equations using isogeometric analysis. PetIGA can be used to assemble matrices and …

Isogeometric preconditioners based on fast solvers for the Sylvester equation

G Sangalli, M Tani - SIAM Journal on Scientific Computing, 2016 - SIAM
We consider large linear systems arising from the isogeometric discretization of the Poisson
problem on a single-patch domain. The numerical solution of such systems is considered a …

Isogeometric methods for computational electromagnetics: B-spline and T-spline discretizations

A Buffa, G Sangalli, R Vázquez - Journal of Computational Physics, 2014 - Elsevier
In this paper we introduce methods for electromagnetic wave propagation, based on splines
and on T-splines. We define spline spaces which form a De Rham complex and following …

[HTML][HTML] Efficient CAD-integrated isogeometric analysis of trimmed solids

M Meßmer, T Teschemacher, LF Leidinger… - Computer Methods in …, 2022 - Elsevier
This publication presents a robust and efficient approach for fully CAD-integrated analyses
of solids, which aims to reduce the current modeling effort for static and transient problems …

Efficient matrix computation for tensor-product isogeometric analysis: The use of sum factorization

P Antolin, A Buffa, F Calabro, M Martinelli… - Computer Methods in …, 2015 - Elsevier
In this paper we discuss the use of the sum-factorization for the calculation of the integrals
arising in Galerkin isogeometric analysis. While introducing very little change in an …

Recovery-based error estimation and adaptivity using high-order splines over hierarchical T-meshes

C Anitescu, MN Hossain, T Rabczuk - Computer Methods in Applied …, 2018 - Elsevier
An adaptive higher-order method based on a generalization of polynomial/rational splines
over hierarchical T-meshes (PHT/RHT-splines) is introduced. While most problems …

Isogeometric BDDC preconditioners with deluxe scaling

LB Da Veiga, LF Pavarino, S Scacchi, OB Widlund… - SIAM Journal on …, 2014 - SIAM
A balancing domain decomposition by constraints (BDDC) preconditioner with a novel
scaling, introduced by Dohrmann for problems with more than one variable coefficient and …

Phase-field Navier–Stokes model for vesicle doublets hydrodynamics in incompressible fluid flow

M Ashour, N Valizadeh, T Rabczuk - Computer Methods in Applied …, 2023 - Elsevier
In this paper, we study the hydrodynamics of a vesicle doublet suspended in an external
viscous fluid flow. Vesicles in this study are modeled using the phase-field model. The …