[HTML][HTML] Isogeometric analysis for multi-patch structured Kirchhoff–Love shells

A Farahat, HM Verhelst, J Kiendl, M Kapl - Computer Methods in Applied …, 2023 - Elsevier
We present an isogeometric method for Kirchhoff–Love shell analysis of shell structures with
geometries composed of multiple patches and which possibly possess extraordinary …

[HTML][HTML] A mixed integration point (MIP) formulation for hyperelastic Kirchhoff–Love shells for nonlinear static and dynamic analysis

L Leonetti, J Kiendl - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
We present a mixed integration point (MIP) formulation for hyperelastic isogeometric
Kirchhoff–Love shells. While previous works have proposed mixed integration point …

[HTML][HTML] New robust and efficient global iterations for large deformation finite element analysis of beams and shells with material nonlinearity

D Magisano, A Corrado - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
In large rotation analyses of beams and shells with displacement-based discretization, the
iterative burden grows considerably with the membrane/flexural stiffness ratio. For linear …

An isogeometric design-analysis-optimization workflow of stiffened thin-walled structures via multilevel NURBS-based free-form deformations (MNFFD)

P Hao, Y Wang, L Jin, S Ma, B Wang - Computer Methods in Applied …, 2023 - Elsevier
Stiffened thin-walled structures are widely used in various fields as load-carrying
components, but the process of design, analysis and optimization still remains challenging …

Multi-patch isogeometric Kirchhoff–Love shell analysis for post-buckling of functionally graded graphene platelets reinforced composite shells

X Du, R Zhang, W Wang, G Zhao, Y Liu - Thin-Walled Structures, 2024 - Elsevier
This paper develops a multi-patch isogeometric Kirchhoff–Love shell method for post-
buckling of functionally graded graphene platelets reinforced composite (FG-GPLRC) …

High-performance bending and buckling analyses of cylindrical shells resting on elastic foundation using isogeometric scaled boundary finite element method

Q Zang, J Liu, W Ye, F Yang, R Pang, G Lin - European Journal of …, 2023 - Elsevier
A novel simulation approach based on the isogeometric analysis (IGA) and scaled boundary
finite element method (SBFEM) is proposed in this paper for bending and buckling analyses …

A NURBS-based degenerated stiffener element for isogeometric static and buckling analysis

P Hao, Y Wang, H Tang, S Feng, B Wang - Computer Methods in Applied …, 2022 - Elsevier
Complex shells and curvilinear stiffeners are promising for the lightweight design of
aerospace structures. Along with the increasing of structural size and geometric …

A corotational mixed flat shell finite element for the efficient geometrically nonlinear analysis of laminated composite structures

FS Liguori, A Madeo - International Journal for Numerical …, 2021 - Wiley Online Library
A corotational flat shell element for the geometrically nonlinear analysis of laminated
composite structures is presented. The element is obtained from the Hellinger–Reissner …

Isogeometric technique for dynamic instability analysis of nanocomposite folded plates based on higher-order shear deformation theory

H Mohammadi, O Weeger, M Shojaee - Thin-Walled Structures, 2022 - Elsevier
This paper proposes a dynamic instability isogeometric analysis (IGA) of functionally graded
(FG) folded plates strengthened by carbon nanotubes (CNTs) under a uniform in-plane …

[HTML][HTML] A variationally consistent contact formulation based on a mixed interpolation point method and isogeometric discretization

TX Duong, L Leonetti, J Kiendl - Computer Methods in Applied Mechanics …, 2023 - Elsevier
This work enhances the robustness of the standard displacement-based (penalty Gauss-
point-to-segment) contact formulation by applying the so-called Mixed Interpolation Point …