Found 84 Documents (Results 1–84)
An isogemetric analysis formulation for the dynamics of geometrically exact viscoelastic beams and beam systems with arbitrarily curved initial geometry. (English) Zbl 07917739
Isogeometric collocation for solving the biharmonic equation over planar multi-patch domains. (English) Zbl 1539.65190
Phase-field fracture analysis for implicit geometric model via adaptive extended isogeometric analysis. (English) Zbl 1536.74300
An efficient displacement-based isogeometric formulation for geometrically exact viscoelastic beams. (English) Zbl 1536.74111
Towards higher-order accurate mass lumping in explicit isogeometric analysis for structural dynamics. (English) Zbl 1536.74270
Non-conforming coupling RI-IGABEM for solving multidimensional and multiscale thermoelastic-viscoelastic problems. (English) Zbl 1536.74293
Isogeometric analysis of acoustic scattering with perfectly matched layers (IGAPML). (English) Zbl 1507.74543
Multi-frequency acoustic topology optimization of sound-absorption materials with isogeometric boundary element methods accelerated by frequency-decoupling and model order reduction techniques. (English) Zbl 1507.74291
Standard and phase reduced isogeometric on-surface radiation conditions for acoustic scattering analyses. (English) Zbl 1507.74180
A general-purpose, inelastic, rotation-free Kirchhoff-Love shell formulation for peridynamics. (English) Zbl 1507.74051
An efficient patch-to-patch method for coupling independent finite element subdomains with intersecting interfaces. (English) Zbl 1507.74467
Isogeometric boundary element analysis of liquid nonlinear sloshing in two dimensional rectangular tanks. (English) Zbl 1507.76019
Iterative solution with shifted Laplace preconditioner for plane wave enriched isogeometric analysis and finite element discretization for high-frequency acoustics. (English) Zbl 1507.74534
Isogeometric locally-conformal perfectly matched layer for time-harmonic acoustics. (English) Zbl 1506.74480
Mixed dimensional isogeometric FE-be coupling analysis for solid-shell structures. (English) Zbl 1506.74457
Towards a general interpolation scheme. (English) Zbl 1506.65026
MSC:
65D05
A level set based topology optimization for finite unidirectional acoustic phononic structures using boundary element method. (English) Zbl 1506.74275
An improved cell-based smoothed radial point interpolation method using condensed shape functions for 3D interior acoustic problems. (English) Zbl 1506.74497
Galerkin formulations of isogeometric shell analysis: alleviating locking with Greville quadratures and higher-order elements. (English) Zbl 1506.74463
Towards accuracy and scalability: combining isogeometric analysis with deflation to obtain scalable convergence for the Helmholtz equation. (English) Zbl 1506.65207
Isogeometric MITC shell. (English) Zbl 1506.74191
A priori penalty factor determination for (trimmed) NURBS-based shells with Dirichlet and coupling constraints in isogeometric analysis. (English) Zbl 1506.74428
RI-IGABEM for 2D viscoelastic problems and its application to solid propellant grains. (English) Zbl 1506.74469
Non-conforming interface coupling and symmetric iterative solution in isogeometric FE-BE analysis. (English) Zbl 1506.74456
A stochastic multiscale formulation for isogeometric composite Kirchhoff-Love shells. (English) Zbl 1506.74448
A robust penalty coupling of non-matching isogeometric Kirchhoff-Love shell patches in large deformations. (English) Zbl 1506.74188
Shape optimization of heterogeneous materials based on isogeometric boundary element method. (English) Zbl 1506.74322
Isogeometric continuity constraints for multi-patch shells governed by fourth-order deformation and phase field models. (English) Zbl 1506.74429
GPU accelerated initialization of local maximum-entropy meshfree methods for vibrational and acoustic problems. (English) Zbl 1442.74222
Enriched isogeometric collocation for two-dimensional time-harmonic acoustics. (English) Zbl 1442.74248
Topology optimization of vibroacoustic problems using the hybrid finite element-wave based method. (English) Zbl 1442.74169
Isogeometric boundary element method for acoustic scattering by a submarine. (English) Zbl 1441.76112
The INTERNODES method for the treatment of non-conforming multipatch geometries in isogeometric analysis. (English) Zbl 1441.65117
A three-field dual mortar method for elastic problems with nonconforming mesh. (English) Zbl 1439.74482
Acoustic topology optimization of sound absorbing materials directly from subdivision surfaces with isogeometric boundary element methods. (English) Zbl 1439.74263
A hierarchical approach to the a posteriori error estimation of isogeometric Kirchhoff plates and Kirchhoff-Love shells. (English) Zbl 1436.74085
Iterative solution of Helmholtz problem with high-order isogeometric analysis and finite element method at mid-range frequencies. (English) Zbl 1436.78007
Isogeometric boundary element methods and patch tests for linear elastic problems: formulation, numerical integration, and applications. (English) Zbl 1442.65418
A dual domain decomposition algorithm for the analysis of non-conforming isogeometric Kirchhoff-Love shells. (English) Zbl 1442.65018
The embedded isogeometric Kirchhoff-Love shell: from design to shape optimization of non-conforming stiffened multipatch structures. (English) Zbl 1441.74245
A local collocation method to construct Dirichlet-type absorbing boundary conditions for transient scalar wave propagation problems. (English) Zbl 1441.65080
MSC:
65M70
Isogeometric collocation for implicit dynamics of three-dimensional beams undergoing finite motions. (English) Zbl 1441.74088
Two new triangular \(\operatorname{G}^1\)-conforming finite elements with cubic edge rotation for the analysis of Kirchhoff plates. (English) Zbl 1441.74242
Phase-field modeling for polarization evolution in ferroelectric materials via an isogeometric collocation method. (English) Zbl 1441.74013
A simplified Kirchhoff-Love large deformation model for elastic shells and its effective isogeometric formulation. (English) Zbl 1441.74115
A novel dynamic isogeometric reanalysis method and its application in closed-loop optimization problems. (English) Zbl 1441.65025
Pollution studies for high order isogeometric analysis and finite element for acoustic problems. (English) Zbl 1441.65097
Explicit second order isogeometric discretizations for acoustic wave problems. (English) Zbl 1440.74484
A hybrid isogeometric approach on multi-patches with applications to Kirchhoff plates and eigenvalue problems. (English) Zbl 1440.74401
Kirchhoff-Love shell formulation based on triangular isogeometric analysis. (English) Zbl 1440.74213
A nonconforming Trefftz virtual element method for the Helmholtz problem: numerical aspects. (English) Zbl 1440.65251
A quadrilateral \(\operatorname{G}^1\)-conforming finite element for the Kirchhoff plate model. (English) Zbl 1440.74396
Penalty coupling of non-matching isogeometric Kirchhoff-Love shell patches with application to composite wind turbine blades. (English) Zbl 1440.74400
Comput. Methods Appl. Mech. Eng. 346, 810-840 (2019); corrigendum ibid. 373, Article ID 113488, 1 p. (2021).
Biorthogonal splines for optimal weak patch-coupling in isogeometric analysis with applications to finite deformation elasticity. (English) Zbl 1440.74451
Isogeometric shape optimization of nonlinear, curved 3D beams and beam structures. (English) Zbl 1440.74337
Explicit isogeometric collocation for the dynamics of three-dimensional beams undergoing finite motions. (English) Zbl 1440.74185
An interpolation method for coupling non-conforming patches in isogeometric analysis of vibro-acoustic systems. (English) Zbl 1440.74427
Fully isogeometric modeling and analysis of nonlinear 3D beams with spatially varying geometric and material parameters. (English) Zbl 1440.74191
Isogeometric analysis for nonlinear planar Kirchhoff rods: weighted residual formulation and collocation of the strong form. (English) Zbl 1440.74186
A Nitsche-based non-intrusive coupling strategy for global/local isogeometric structural analysis. (English) Zbl 1440.65185
Development of 3D PUFEM with linear tetrahedral elements for the simulation of acoustic waves in enclosed cavities. (English) Zbl 1440.76090
Plane wave enriched partition of unity isogeometric analysis (PUIGA) for 2D-Helmholtz problems. (English) Zbl 1440.74389
Isogeometric Bézier dual mortaring: refineable higher-order spline dual bases and weakly continuous geometry. (English) Zbl 1440.65240
Bézier tilings of the sphere and their applications in benchmarking multipatch isogeometric methods. (English) Zbl 1439.65027
Efficient assembly based on B-spline tailored quadrature rules for the IgA-SGBEM. (English) Zbl 1439.65207
A flexible approach for coupling NURBS patches in rotationless isogeometric analysis of Kirchhoff-Love shells. (English) Zbl 1439.74401
Hierarchic isogeometric large rotation shell elements including linearized transverse shear parametrization. (English) Zbl 1439.74457
Bloch theorem with revised boundary conditions applied to glide, screw and rotational symmetric structures. (English) Zbl 1439.74146
MSC:
74J05
Dual and approximate dual basis functions for B-splines and NURBS – comparison and application for an efficient coupling of patches with the isogeometric mortar method. (English) Zbl 1439.65157
A robust patch coupling method for NURBS-based isogeometric analysis of non-conforming multipatch surfaces. (English) Zbl 1439.65154
An isogeometric indirect boundary element method for solving acoustic problems in open-boundary domains. (English) Zbl 1439.76116
On the use of NURBS-based discretizations in the scaled boundary finite element method for wave propagation problems. (English) Zbl 1439.74484
Bloch theorem for isogeometric analysis of periodic problems governed by high-order partial differential equations. (English) Zbl 1439.65117
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