Results 61 to 70 of about 4,131 (216)

Error-estimate-based adaptive integration for immersed isogeometric analysis

open access: yes, 2020
The Finite Cell Method (FCM) together with Isogeometric analysis (IGA) has been applied successfully in various problems in solid mechanics, in image-based analysis, fluid–structure interaction and in many other applications.
Divi, Sai Chandana; id_orcid   +5 more
core   +1 more source

Locating optimal position of artificial recharge wells in aquifer using grey wolf optimization algorithm and isogeometric numerical method

open access: yesApplied Water Science, 2022
The construction of injection wells is one of the direct methods of artificial recharge and determining their optimal location is one of the important issues that are discussed in the topics of projects related to the rehabilitation of aquifers.
F. Poursalehi   +2 more
doaj   +1 more source

IG-LSPIA: Least Squares Progressive Iterative Approximation for Isogeometric Collocation Method

open access: yesMathematics, 2023
The isogeometric collocation method (IGA-C), which is a promising branch of isogeometric analysis (IGA), can be considered fitting the load function with the combination of the numerical solution and its derivatives.
Yini Jiang, Hongwei Lin
doaj   +1 more source

Mixed Super‐Circles

open access: yesComputer Graphics Forum, EarlyView.
Abstract We introduce mixed super‐circles, a position‐curvature formulation of the original dynamic 2D super‐helix model. Compared to the latter, purely curvature‐based model – the so‐called chained formulation –, the mixed formulation that we propose here drastically reduces the algorithmic complexity of the solving scheme – from quadratic to quasi ...
Emile Hohnadel   +2 more
wiley   +1 more source

BDDC Deluxe for Isogeometric Analysis [PDF]

open access: yes, 2016
The main goal of this paper is to design, analyze, and test a BDDC (Balancing Domain Decomposition by Constraints, see [12, 23]) preconditioner for Isogeometric Analysis (IGA), based on a novel type of interface averaging, which we will denote by deluxe scaling, with either full or reduced set of primal constraints.
L. Beirão da Veiga   +4 more
openaire   +3 more sources

Parallel Refined Isogeometric Analysis in 3D [PDF]

open access: yesIEEE Transactions on Parallel and Distributed Systems, 2019
We study three-dimensional isogeometric analysis (IGA) and the solution of the resulting system of linear equations via a direct solver. IGA uses highly continuous $C^{p-1}$ basis functions, which provide multiple benefits in terms of stability and convergence properties. However, smooth basis significantly deteriorate the direct solver performance and
Leszek Siwik   +5 more
openaire   +2 more sources

Isogeometric analysis of shells

open access: yes, 2022
The aim of this thesis is the development of a computational platform for the analysis of thin curved structures using the method of isogeometric analysis.
Syrmos, Meletis
core   +1 more source

Isogeometric analysis of two-dimensional piezoelectric structures

open access: yesVietnam Journal of Mechanics, 2013
The isogeometric analysis (IGA) that integrates Computer Aided Design(CAD) and Computer Aided Engineering (CAE) is found so far the effectively numerical tool for the analysis of a variety of practical problems.
Hoang H. Truong   +2 more
doaj   +1 more source

Isogeometric analysis: vibration analysis, Fourier and wavelet spectra [PDF]

open access: yesJournal of Theoretical and Applied Vibration and Acoustics, 2017
This paper presents the Fourier and wavelet characterization of vibration problem. To determine the natural frequencies, modal damping and mass participation factors of bars, a rod element is established by means ofisogeometric formulation.
Erfan Shafei, Shirko Faroughi
doaj   +1 more source

Mixed Isogeometric Analysis of the Brinkman Equation

open access: yesMathematics, 2023
This study focuses on numerical solution to the Brinkman equation with mixed Dirichlet–Neumann boundary conditions utilizing isogeometric analysis (IGA) based on non-uniform rational B-splines (NURBS) within the Galerkin method framework.
Lahcen El Ouadefli   +5 more
doaj   +1 more source

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