Found 259 Documents (Results 1–100)
Simultaneous analysis of continuously embedded Reissner-Mindlin shells in 3D bulk domains. (English) Zbl 07898476
A numerical comparison of Galerkin and collocation isogeometric approximations of acoustic wave problems. (English) Zbl 1542.65120
Extended isogeometric analysis: a two-scale coupling FEM/IGA for 2D elastic fracture problems. (English) Zbl 07850339
Dynamic instability characteristics of graphene-reinforced cellular sandwich plates using a three-variable isogeometric approach. (English) Zbl 1537.74169
Large rotation isogeometric shell model for alternating stiff/soft curved laminates including warping and interlayer thickness change. (English) Zbl 1539.74212
A multigrid coupling approach of the extended isogeometric-meshfree method and peridynamics for brittle fracture. (English) Zbl 1535.74662
Computational instability analysis of inflated hyperelastic thin shells using subdivision surfaces. (English) Zbl 1542.74021
Conditioning and spectral properties of isogeometric collocation matrices for acoustic wave problems. (English) Zbl 1536.65122
An adaptive multi-patch isogeometric phase-field model for dynamic brittle fracture. (English) Zbl 1538.74129
A novel isogeometric scaled boundary finite element method for bending and free vibration analyses of laminated plates with rectilinear and curvilinear fibers constrained or free from elastic foundations. (English) Zbl 1537.74257
Implicit dynamic buckling analysis of thin-shell isogeometric structures considering geometric imperfections. (English) Zbl 07833583
Reviewer: V. L. Leontiev (Sankt-Peterburg)
Stabilized immersed isogeometric analysis for the Navier-Stokes-Cahn-Hilliard equations, with applications to binary-fluid flow through porous media. (English) Zbl 1536.76134
A variationally consistent contact formulation based on a mixed interpolation point method and isogeometric discretization. (English) Zbl 1536.74296
Isogeometric convolution hierarchical deep-learning neural network: isogeometric analysis with versatile adaptivity. (English) Zbl 1539.74492
Finite element and isogeometric stabilized methods for the advection-diffusion-reaction equation. (English) Zbl 1536.76069
A new stabilized formulation for the simulation of underwater explosions using isogeometric analysis. (English) Zbl 1539.76092
Isogeometric analysis and augmented Lagrangian Galerkin least squares methods for residual minimization in dual norm. (English) Zbl 1536.65137
Isogeometric multi-resolution full waveform inversion based on the finite cell method. (English) Zbl 1536.74294
Towards higher-order accurate mass lumping in explicit isogeometric analysis for structural dynamics. (English) Zbl 1536.74270
Space-time computational flow analysis: unconventional methods and first-ever solutions. (English) Zbl 1536.76078
Extending CAS elements to remove shear and membrane locking from quadratic NURBS-based discretizations of linear plane Timoshenko rods. (English) Zbl 1542.74074
Unified inverse isogeometric analysis and distributed fiber optic strain sensing for monitoring structure deformation and stress. (English) Zbl 1525.65091
Multi-patch isogeometric topology optimization for cellular structures with flexible designs using Nitsche’s method. (English) Zbl 1539.74294
A localized reduced basis approach for unfitted domain methods on parameterized geometries. (English) Zbl 1539.65169
Adaptive multi-patch isogeometric phase-field method for quasi-static brittle fracture based on Nitsche’s method. (English) Zbl 1539.74384
Convolution hierarchical deep-learning neural networks (C-HiDeNN): finite elements, isogeometric analysis, tensor decomposition, and beyond. (English) Zbl 1527.74082
Isogeometric approach for thermal buckling analysis of FG graphene platelet reinforced composite trapezoidally corrugated laminated panels. (English) Zbl 1521.74237
Critical time-step size analysis and mass scaling by ghost-penalty for immersogeometric explicit dynamics. (English) Zbl 1539.74520
Multipatch isogeometric analysis for geometrically exact shell elements using B-bar method and Bézier extraction. (English) Zbl 1539.74441
Extended isogeometric analysis of multi-material and multi-physics problems using hierarchical B-splines. (English) Zbl 1519.74078
Variationally consistent Hellmann-Feynman forces in the finite element formulation of Kohn-Sham density functional theory. (English) Zbl 1536.81002
An isogeometric finite element formulation for boundary and shell viscoelasticity based on a multiplicative surface deformation split. (English) Zbl 1540.74147
Extended isogeometric analysis of a progressively fracturing fluid-saturated porous medium. (English) Zbl 1528.74112
Unsymmetric extensions of Wilson’s incompatible four-node quadrilateral and eight-node hexahedral elements. (English) Zbl 1531.74074
Fluid-structure interaction modeling with nonmatching interface discretizations for compressible flow problems: computational framework and validation study. (English) Zbl 1516.76052
Flow computation with the space-time isogeometric analysis and higher-order basis functions in time. (English) Zbl 1512.76056
Boundary layer mesh resolution in flow computation with the space-time variational multiscale method and isogeometric discretization. (English) Zbl 1512.76055
An isogeometric finite element formulation for frictionless contact of Cosserat rods with unconstrained directors. (English) Zbl 1508.74061
Comput. Mech. 70, No. 6, 1107-1144 (2022); correction ibid. 71, No. 2, 349 (2023).
High order geometric methods with splines: an analysis of discrete Hodge-star operators. (English) Zbl 1507.65243
Bézier base extended isogeometric numerical method for thermo elastic-plastic analysis of crack propagation in cracked plate under welding residual stress and thermal load. (English) Zbl 1498.74075
Space-time flow computation with contact between the moving solid surfaces. (English) Zbl 1511.74062
Aldakheel, Fadi (ed.) et al., Current trends and open problems in computational mechanics. Cham: Springer. 517-525 (2022).
Finite element formulations for beam-to-solid interaction – from embedded fibers towards contact. (English) Zbl 1504.74075
Aldakheel, Fadi (ed.) et al., Current trends and open problems in computational mechanics. Cham: Springer. 425-434 (2022).
Dynamic fracture of brittle shells in a space-time adaptive isogeometric phase field framework. (English) Zbl 1504.74078
Aldakheel, Fadi (ed.) et al., Current trends and open problems in computational mechanics. Cham: Springer. 407-415 (2022).
An approximate \(C^1\) multi-patch space for isogeometric analysis with a comparison to Nitsche’s method. (English) Zbl 1507.74519
Nonlinear bending analysis of carbon nanotube-reinforced composite plates in combined thermal and mechanical loading. (English) Zbl 1500.74040
Concurrent algorithm for integrating three-dimensional B-spline functions into machines with shared memory such as GPU. (English) Zbl 1507.65252
Sequentially coupled gradient-based topology and domain shape optimization. (English) Zbl 1495.74055
Reviewer: Igor Bock (Bratislava)
Nonlinear material identification of heterogeneous isogeometric Kirchhoff-Love shells. (English) Zbl 1507.74209
Explicit high-order generalized-\(\alpha\) methods for isogeometric analysis of structural dynamics. (English) Zbl 1507.65175
Isogeometric analysis of hydrodynamics of vesicles using a monolithic phase-field approach. (English) Zbl 1507.76267
Intrinsic extended isogeometric analysis with emphasis on capturing high gradients or singularities. (English) Zbl 1521.74243
X-IGALME: isogeometric analysis extended with local maximum entropy for fracture analysis. (English) Zbl 1540.74162
Non uniform rational B-splines and Lagrange approximations for time-harmonic acoustic scattering: accuracy and absorbing boundary conditions. (English) Zbl 1501.65112
An isogeometric mortar method for the coupling of multiple NURBS domains with optimal convergence rates. (English) Zbl 1478.65119
Wind turbine wake computation with the ST-VMS method, isogeometric discretization and multidomain method. I: Computational framework. (English) Zbl 1480.76075
Coupling of non-conforming trimmed isogeometric Kirchhoff-Love shells via a projected super-penalty approach. (English) Zbl 1507.74461
Isogeometric analysis with proper orthogonal decomposition for elastodynamics. (English) Zbl 1528.65076
U-duct turbulent-flow computation with the ST-VMS method and isogeometric discretization. (English) Zbl 1490.76171
An isogeometric finite element formulation for geometrically exact Timoshenko beams with extensible directors. (English) Zbl 1502.74108
Mixed dimensional isogeometric FE-be coupling analysis for solid-shell structures. (English) Zbl 1506.74457
Efficient computation of nonlinear isogeometric elements using the adjoint method and algorithmic differentiation. (English) Zbl 1506.65222
A two-level method for isogeometric discretizations based on multiplicative Schwarz iterations. (English) Zbl 1524.65926
Approximately \(\mathcal{C}^1\) -smooth isogeometric functions on two-patch domains. (English) Zbl 1493.65229
van Brummelen, Harald (ed.) et al., Isogeometric analysis and applications 2018. Selected papers based on the presentations at the third conference, IGAA 2018, Delft, The Netherlands, April 23–26, 2018. Cham: Springer. Lect. Notes Comput. Sci. Eng. 133, 157-175 (2021).
Using high-order transport theorems for implicitly defined moving curves to perform quadrature on planar domains. (English) Zbl 1477.65243
Simulation of stably stratified turbulent channel flow using residual-based variational multiscale method and isogeometric analysis. (English) Zbl 1521.76322
Split generalized-\( \alpha\) method: a linear-cost solver for multi-dimensional second-order hyperbolic systems. (English) Zbl 1506.65148
Non-conforming interface coupling and symmetric iterative solution in isogeometric FE-BE analysis. (English) Zbl 1506.74456
A coupled 3D isogeometric/least-square MPS approach for modeling fluid-structure interactions. (English) Zbl 1506.74401
Open-source immersogeometric analysis of fluid-structure interaction using FEniCS and tIGAr. (English) Zbl 1455.74088
A variationally separable splitting for the generalized-\(\alpha\) method for parabolic equations. (English) Zbl 07843225
Preconditioners for isogeometric analysis and almost incompressible elasticity. (English) Zbl 1502.65257
Haynes, Ronald (ed.) et al., Domain decomposition methods in science and engineering XXV. Selected papers based on the presentations at the 25th international conference on domain decomposition methods, Memorial University of Newfoundland, in St. John’s, Newfoundland and Labrador, Canada, July 23–27, 2018. Cham: Springer. Lect. Notes Comput. Sci. Eng. 138, 350-358 (2020).
Multigrid solvers for immersed finite element methods and immersed isogeometric analysis. (English) Zbl 1477.74106
Geometrically nonlinear analysis of solids using an isogeometric formulation in boundary representation. (English) Zbl 1490.74116
Fast assembly of Galerkin matrices for 3D solid laminated composites using finite element and isogeometric discretizations. (English) Zbl 1492.74136
FEA versus IGA in a two-node beam element based on unified and integrated method. (English) Zbl 1488.74002
Thermal-mechanical buckling analysis of functionally graded micro plates using isogeometric finite element method. (Chinese. English summary) Zbl 1474.74099
Assessment of an isogeometric approach with Catmull-Clark subdivision surfaces using the Laplace-Beltrami problems. (English) Zbl 1467.74093
Isogeometric least-squares collocation method with consistency and convergence analysis. (English) Zbl 1458.65150
On the condition number of high order finite element methods: influence of \(p\)-refinement and mesh distortion. (English) Zbl 1455.74082
Isogeometric boundary element for analyzing steady-state heat conduction problems under spatially varying conductivity and internal heat source. (English) Zbl 1451.65216
Postbuckling analysis of multi-directional perforated FGM plates using NURBS-based IGA and FCM. (English) Zbl 1481.74503
Isogeometric analysis for trimmed CAD surfaces using multi-sided toric surface patches. (English) Zbl 1505.65115
Adaptive analysis of crack propagation in thin-shell structures via an isogeometric-meshfree moving least-squares approach. (English) Zbl 1441.74210
A mixed formulation of B-spline and a new class of spherical Hankel shape functions for modeling elastostatic problems. (English) Zbl 1448.74104
Iterative solution of Helmholtz problem with high-order isogeometric analysis and finite element method at mid-range frequencies. (English) Zbl 1436.78007
Space-time least-squares isogeometric method and efficient solver for parabolic problems. (English) Zbl 07169742
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