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 …

Isogeometric collocation: Cost comparison with Galerkin methods and extension to adaptive hierarchical NURBS discretizations

D Schillinger, JA Evans, A Reali, MA Scott… - Computer Methods in …, 2013 - Elsevier
We compare isogeometric collocation with isogeometric Galerkin and standard C 0 finite
element methods with respect to the cost of forming the matrix and residual vector, the cost …

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 …

Locking-free isogeometric collocation methods for spatial Timoshenko rods

F Auricchio, LB Da Veiga, J Kiendl, C Lovadina… - Computer Methods in …, 2013 - Elsevier
In this work we present the application of isogeometric collocation techniques to the solution
of spatial Timoshenko rods. The strong form equations of the problem are presented in both …

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 …

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 …

Approximation of incompressible large deformation elastic problems: some unresolved issues

F Auricchio, L Beirão da Veiga, C Lovadina… - Computational …, 2013 - Springer
Several finite element methods for large deformation elastic problems in the nearly
incompressible and purely incompressible regimes are considered. In particular, the method …

BDDC preconditioners for isogeometric analysis

L Beirão da Veiga, D Cho, LF Pavarino… - … Models and Methods in …, 2013 - World Scientific
A Balancing Domain Decomposition by Constraints (BDDC) preconditioner for Isogeometric
Analysis of scalar elliptic problems is constructed and analyzed by introducing appropriate …

[HTML][HTML] Multigrid methods for isogeometric discretization

KPS Gahalaut, JK Kraus, SK Tomar - Computer methods in applied …, 2013 - Elsevier
We present (geometric) multigrid methods for isogeometric discretization of scalar second
order elliptic problems. The smoothing property of the relaxation method, and the …