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Isogeometric analysis

Isogeometric Analysis of Soil Plasticity

Isogeometric Analysis of Soil Plasticity

... [2], isogeometric analysis (IGA) has been used for a broad number of engineering problems, ranging from analysis of fluid-structure interaction [3] to analysis of shells ...where ...

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The role of Bézier extraction in adaptive isogeometric analysis: Local refinement and hierarchical refinement

The role of Bézier extraction in adaptive isogeometric analysis: Local refinement and hierarchical refinement

... Isogeometric analysis (IGA) has been employed widely because it can result in a seamless integration of the design and analysis processes: the NURBS functions that are typically used in Computer ...

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Isogeometric Analysis Method for Solving Parabolic PDEs by Using Bivariate Spline

Isogeometric Analysis Method for Solving Parabolic PDEs by Using Bivariate Spline

... that isogeometric analysis method have added yet another dimension to spline’s use, especially the simulation and numerical modelling ...the isogeometric analysis method is undoubtedly the ...

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Isogeometric analysis for singularly perturbed problems in 1-D: error estimates

Isogeometric analysis for singularly perturbed problems in 1-D: error estimates

... Abstract. We consider one-dimensional singularly perturbed boundary value problems of reaction-convection- diffusion type, and the approximation of their solution using isogeometric analysis. In particular, ...

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Shape sensing of aerospace structures by coupling of isogeometric analysis and inverse finite element method

Shape sensing of aerospace structures by coupling of isogeometric analysis and inverse finite element method

... Moreover, isogeometric analysis (IGA) originally introduced by Hughes et ...sensing analysis of aerospace structures by coupling the NURBS-based IGA together with the iFEM ...rotation-free ...

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An isogeometric analysis Bézier interface element for mechanical and poromechanical fracture problems

An isogeometric analysis Bézier interface element for mechanical and poromechanical fracture problems

... of isogeometric analysis and the concept of B´ezier extraction, which enables to cast isogeometric analysis in a standard finite element ...

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Imposition of the essential boundary conditions in transient heat conduction problem based on Isogeometric analysis

Imposition of the essential boundary conditions in transient heat conduction problem based on Isogeometric analysis

... Isogeometric analysis (IGA) is a recently developed computational approach that oers the possibility of integrating NURBS-based Computer Aided Design (CAD) tools into conventional nite element analy- ...

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A strategy to interface isogeometric analysis with Lagrangian finite elements Application to incompressible flow problems

A strategy to interface isogeometric analysis with Lagrangian finite elements Application to incompressible flow problems

... of isogeometric analysis (IGA), introduced in [35], uses NURBS and T-Spline CAD entities to define the element basis instead of classical Lagrange interpolatory ...computational analysis, but can ...

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Isogeometric analysis-based reduced order modelling for incompressible linear viscous flows in parametrized shapes

Isogeometric analysis-based reduced order modelling for incompressible linear viscous flows in parametrized shapes

... embed isogeometric analysis (IGA) [31, 32] as a high-fidelity discretization option in a ROM setting, for the simulation of incompressible linear viscous flows [33–36] and to propose a complete workflow ...

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Evaluation of piezoelectric energy harvester under dynamic bending by means of hybrid mathematical/isogeometric analysis

Evaluation of piezoelectric energy harvester under dynamic bending by means of hybrid mathematical/isogeometric analysis

... mathematical/ isogeometric analysis (IGA) scheme is implemented to evaluate the energy harvesting of the piezoelectric composite plate under dynamic ...

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Isogeometric analysis of fracture propagation in saturated porous media due to a pressurised non-Newtonian fluid

Isogeometric analysis of fracture propagation in saturated porous media due to a pressurised non-Newtonian fluid

... this isogeometric analysis approach is that the stresses, and the fluid pressures and velocities re- main continuous at element boundaries, inside the porous medium as well as within the ...using ...

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Applications of Isogeometric Analysis Coupled with Finite Volume Method

Applications of Isogeometric Analysis Coupled with Finite Volume Method

... in analysis, the addition of non-orthogonal cases would generalize the ...In isogeometric analysis, a special treatment is required for the imposition of Dirichlet boundary conditions in boundaries ...

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Isogeometric analysis: vibration analysis, Fourier and wavelet spectra

Isogeometric analysis: vibration analysis, Fourier and wavelet spectra

... in isogeometric analysis ...present isogeometric analysis is demonstrated by using classical finite element method (FEM) models and closed-form analytical ...present isogeometric ...

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An axisymmetric PIC code based on isogeometric analysis⋆

An axisymmetric PIC code based on isogeometric analysis⋆

... Abstract. Isogeometric analysis has been developed recently to use basis functions resulting from the CAO description of the computational domain for the finite element ...

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Propagation of delamination in composite materials with isogeometric continuum shell elements

Propagation of delamination in composite materials with isogeometric continuum shell elements

... Isogeometric analysis can be conceived as a novel finite element technology which, among other advantages, offers the possibility to capture the geometry of shells very ...in isogeometric ...

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Shape-optimization of 2D hydrofoils using an isogeometric BEM solver

Shape-optimization of 2D hydrofoils using an isogeometric BEM solver

... the analysis of flow around marine propellers; see, ...the IsoGeometric Analysis - Boundary Element Method (IGA-BEM) initiated by Politis et al (2009) [29], for the solution of an exterior ...

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Isogeometric Vibration Analysis of Small-Scale Timoshenko Beams Based on the Most Comprehensive Size-Dependent Theory

Isogeometric Vibration Analysis of Small-Scale Timoshenko Beams Based on the Most Comprehensive Size-Dependent Theory

... First, some comparisons are made to examine the integrity of the present formulation as well as to verify the proposed solution approach. Initially, the advantages of using IGA in the nonlocal strain gradient theory are ...

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Ship-hull shape optimization with a T-spline based BEM-isogeometric solver

Ship-hull shape optimization with a T-spline based BEM-isogeometric solver

... of Isogeometric Analysis (IGA), introduced by Hughes et ...with Analysis by communicating the CAD model of the geometry (ship hull) to the solver without any approximation, ...

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Dispersion and isogeometric analyses of second-order and fourth-order implicit gradient-enhanced plasticity models

Dispersion and isogeometric analyses of second-order and fourth-order implicit gradient-enhanced plasticity models

... Implicit gradient plasticity models incorporate higher-order spatial gradients via an additional Helmholtz type equation for the plastic multiplier. So far, the enrichment has been limited to second-order spatial ...

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An isogeometric BEM for exterior potential-flow problems around lifting bodies

An isogeometric BEM for exterior potential-flow problems around lifting bodies

... the analysis of flow around marine propellers; see, ...on Isogeometric Analysis have been developed, with application to potential flows on the plane (Politis et al 2009) [20] and applied to the wave ...

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