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PASM: Parallel aligned surface meshing

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (15)

Computer-aided design (CAD) models of industrial design are often plagued with a series of defects, including minute features, gaps, self-intersection......

Geometrically exact shell with drilling rotations formulated on the special Euclidean group SE(3)

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (18)

Based on the local frame approach, a new geometrically exact shell with drilling rotations is proposed in the SE(3) framework when dealing with the fi......

A Newton iteration-based interval analysis method for nonlinear structural systems with uncertain-but-bounded parameters

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (18)

In this article, the propagating effect of uncertainties in nonlinear structural systems is investigated. Via considering uncertain-but-bounded parame......

An adaptive model order reduction method for nonlinear seismic analysis of civil structures based on the elastic-plastic states

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (15)

As an approach to evaluating the seismic performance of civil structures, nonlinear seismic analysis faces a challenge in terms of computational effic......

Numerical simulation of impulse waves in Cosserat media based on a time-discontinuous Galerkin finite element method

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (17)

The time-discontinuous Galerkin finite element method (TDGFEM) has advantages in reducing spurious numerical oscillations and capturing discontinuitie......

Geometrical nonlinear problems of truss beam by base force element method

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (18)

The base force element method (BFEM), formulated according the principle of complementary energy, is a new finite element method (FEM) that deals with......

The superconvergence gradient recovery method for linear finite element method with polygons

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (16)

To identify the superconvergent areas of gradient solutions is a worthwhile part of gradient recovery in finite element method. Compared with triangul......

Multicomponent topology optimization of functionally graded lattice structures with bulk solid interfaces

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (16)

This article presents a topology optimization method for structures consisting of multiple lattice components under a certain size, which can be manuf......

3D viscoelastic computational grains with spherical inclusions with or without interphases/coatings for micromechanical modeling of heterogeneous materials

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (18)

In this article, the 3D viscoelastic computational grains (CGs) with spherical inclusions, with and without interphases/coatings are developed to stud......

Topology optimization of degradable composite structures with time-changeable stiffness

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (17)

For effective bone healing, the stiffness of the bone plate should be adjusted to different bone-healing processes. Thus, the design of stiffness-chan......

Shape-free arbitrary polygonal hybrid stress/displacement-function flat shell element for linear and geometrically nonlinear analyses

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021; 122 (16)

A high-performance shape-free arbitrary polygonal hybrid stress/displacement-function flat shell finite element method is proposed for linear and geom......

Thermo-elastic topology optimization with stress and temperature constraints

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ; ()

A thermo-elastic topology optimization with stress and temperature constraints is proposed to attack the complex multiphysics problem in this paper. B......

A hybrid level set method for the integrated optimization of structural topology and multicomponent layout

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ; ()

A hybrid level set method is proposed for devising structures with embedded components, where the supporting structure as well as the positions and or......

A new method for optimizing the topology of hinge-free and fully decoupled compliant mechanisms with multiple inputs and multiple outputs

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ; ()

Compliant mechanisms with multiple inputs and multiple outputs have a wide range of applications in precision mechanics, for example, cell manipulatio......

On the shift-invert Lanczos method for the buckling eigenvalue problem

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, ; ()

We consider the problem of extracting a few desired eigenpairs of the buckling eigenvalue problem Kx=lambda KGx, where K is symmetric positive semi-de......

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