Isogeometric analysis: an overview and computer implementation aspects

VP Nguyen, C Anitescu, SPA Bordas… - … and Computers in …, 2015 - Elsevier
Isogeometric analysis (IGA) represents a recently developed technology in computational
mechanics that offers the possibility of integrating methods for analysis and Computer Aided …

The finite cell method: a review in the context of higher-order structural analysis of CAD and image-based geometric models

D Schillinger, M Ruess - Archives of Computational Methods in …, 2015 - Springer
The finite cell method is an embedded domain method, which combines the fictitious domain
approach with higher-order finite elements, adaptive integration, and weak enforcement of …

An isogeometric design-through-analysis methodology based on adaptive hierarchical refinement of NURBS, immersed boundary methods, and T-spline CAD …

D Schillinger, L Dede, MA Scott, JA Evans… - Computer Methods in …, 2012 - Elsevier
We explore hierarchical refinement of NURBS as a basis for adaptive isogeometric and
immersed boundary analysis. We use the principle of B-spline subdivision to derive a local …

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 …

Weak coupling for isogeometric analysis of non-matching and trimmed multi-patch geometries

M Ruess, D Schillinger, AI Oezcan, E Rank - Computer Methods in Applied …, 2014 - Elsevier
Nitsche's method can be used as a coupling tool for non-matching discretizations by weakly
enforcing interface constraints. We explore the use of weak coupling based on Nitsche's …

Nitsche's method for two and three dimensional NURBS patch coupling

VP Nguyen, P Kerfriden, M Brino, SPA Bordas… - Computational …, 2014 - Springer
We present a Nitche's method to couple non-conforming two and three-dimensional non
uniform rational b-splines (NURBS) patches in the context of isogeometric analysis. We …

CHARMS: A simple framework for adaptive simulation

E Grinspun, P Krysl, P Schröder - ACM transactions on graphics (TOG), 2002 - dl.acm.org
Finite element solvers are a basic component of simulation applications; they are common in
computer graphics, engineering, and medical simulations. Although adaptive solvers can be …

Numerical analysis perspective in structural shape optimization: A review post 2000

BD Upadhyay, SS Sonigra, SD Daxini - Advances in Engineering Software, 2021 - Elsevier
This review presents developments in structural shape optimization post 2000 from
perspective of numerical analysis techniques. Traditional shape optimization with FEM has …

Integrated modeling, finite-element analysis, and engineering design for thin-shell structures using subdivision

F Cirak, MJ Scott, EK Antonsson, M Ortiz… - Computer-Aided …, 2002 - Elsevier
Many engineering design applications require geometric modeling and mechanical
simulation of thin flexible structures, such as those found in the automotive and aerospace …

Isogeometric analysis of higher-order gradient elasticity by user elements of a commercial finite element software

S Khakalo, J Niiranen - Computer-Aided Design, 2017 - Elsevier
This article is devoted to isogeometric analysis of higher-order strain gradient elasticity by
user element implementations within a commercial finite element software Abaqus. The sixth …