[HTML][HTML] A mixed inverse differential quadrature method for static analysis of constant-and variable-stiffness laminated beams based on Hellinger-Reissner mixed …

LC Trinh, SO Ojo, RMJ Groh, PM Weaver - International Journal of Solids …, 2021 - Elsevier
Increasing applications of laminated composite structures necessitate the development of
equivalent single layer (ESL) models that can achieve similar accuracy but are more …

Research on multivariate nonlinear regression model of specific energy of rock with laser drilling based on response surface methodology

W Zhang, Z Huang, M Kang, MJ Shi, R Deng… - Optics …, 2021 - Elsevier
Abstract Based on Box–Behnken Design of response surface methodology, multiple
experiments of laser drilling (four centimeters thickness of sandstone) were performed by …

An advanced shell model for the analysis of geometrical and material nonlinear shells

F Gruttmann, W Wagner - Computational Mechanics, 2020 - Springer
In this paper layered shells subjected to static loading are considered. The displacements of
the Reissner–Mindlin theory are enriched by a an additional part. These so-called …

Shear correction factors for layered plates and shells

F Gruttmann, W Wagner - Computational Mechanics, 2017 - Springer
In this paper layered composite shells subjected to static loading are considered. The theory
is based on a multi-field functional, where the associated Euler–Lagrange equations include …

Nonlinear bending analysis of a laminated composite plate using a refined zig-zag theory

MJ Khoshgoftar, M Karimi, S Seifoori - Mechanics of Composite Materials, 2022 - Springer
A modified zig-zag theory was used to investigate the bending behavior of composite plates
and sandwich structures. The theory is based on the first-order shear-deformation theory on …

Theory and numerics of layered shells with variationally embedded interlaminar stresses

F Gruttmann, G Knust, W Wagner - Computer Methods in Applied …, 2017 - Elsevier
Present paper deals with layered shells subjected to static loading. The basic equations
include besides the global equilibrium formulated in terms of stress resultants, the local …

[HTML][HTML] A strain-displacement mixed formulation based on the modified couple stress theory for the flexural behaviour of laminated beams

LC Trinh, RMJ Groh, G Zucco, PM Weaver - Composites Part B …, 2020 - Elsevier
A novel strain-displacement variational formulation for the flexural behaviour of laminated
composite beams is presented, which accurately predicts three-dimensional stresses, yet is …

Analytical Model for Early Design Stage of Cable-Stayed Suspension Bridges Based on Hellinger–Reissner Variational Method

Q Feng, P Wei, J Lou, D Wang, J Cai, R Xu - Materials, 2022 - mdpi.com
The cable-stayed suspension bridge is one type of bridge that has been increasingly
applied to bridge engineering, especially in cross-sea projects. However, the complex …

A coupled global–local shell model with continuous interlaminar shear stresses

F Gruttmann, W Wagner, G Knust - Computational Mechanics, 2016 - Springer
In this paper layered composite shells subjected to static loading are considered. The theory
is based on a multi-field functional, where the associated Euler–Lagrange equations include …

Statics and buckling problems of aircraft structurally-anisotropic composite panels with the influence of production technology

LM Gavva, AI Endogur - IOP Conference Series: Materials …, 2018 - iopscience.iop.org
The mathematical model relations for stress-strain state and for buckling investigation of
structurally-anisotropic panels made of composite materials are presented. The …