State of the art on structural reinforced concrete design guidelines with non-linear analyses

MRT Arruda, M Deividas, K Vadimas - Mechanics of Advanced …, 2024‏ - Taylor & Francis
Structural design rules of reinforced concrete structures for using non-linear analysis with
MC2010 are presented in this article. The authors propose guidelines and good practice for …

A regularized higher-order beam elements for damage analysis of reinforced concrete beams

J Shen, MRT Arruda, A Pagani… - Mechanics of Advanced …, 2024‏ - Taylor & Francis
This work presents a numerical method for damage analysis of reinforced concrete beams
using the higher-order beam theory based on Carrera unified formulation. The component …

Buckling and fundamental frequency optimization of tow-steered composites using layerwise structural models

A Racionero Sánchez-Majano, A Pagani - AIAA Journal, 2023‏ - arc.aiaa.org
Variable-angle-tow (VAT) composite laminates can eventually improve the mechanical
performance of lightweight structures by taking advantage of a larger design space …

[HTML][HTML] 1D higher-order theories for quasi-static progressive failure analysis of composites based on a full 3D Hashin orthotropic damage model

M Trombini, M Enea, MRT Arruda, A Pagani… - Composites Part B …, 2024‏ - Elsevier
This work investigates the crack propagation in composites by adopting a novel full three-
dimensional (3D) Hashin-based orthotropic damage model combined with higher-order one …

Dynamic characteristics of composite drive shaft in complex environment based on Carrera unified formulation

L Zhang, J Zhu, C Zhang, J Guo, Q Liu… - Mechanics of …, 2024‏ - Taylor & Francis
This article uses Carrera unified formulation (CUF) to analyze the dynamics characteristics
of composite shaft with consideration of thermal effects, axial loads, and rotational speeds …

[HTML][HTML] A multiscale steel–concrete interface model for structural applications

M Trad, I Bitar, S Grange, B Richard - Structures, 2024‏ - Elsevier
In this paper, a new multiscale macro-element formulation for the steel–concrete interface
modeling is proposed. This element allows for the representation of the behavior of steel …

A consistent crack bandwidth for higher-order beam theories: Application to concrete

J Shen, MR Tiago Arruda… - International Journal of …, 2024‏ - journals.sagepub.com
Higher-order theories have a broad range of successful applications but also suffer from
localization instability and mesh-size dependency when modeling quasi-brittle materials …

[HTML][HTML] Semi-analytical approach for curved masonry pillars reinforced with FRCM

G Milani, E Grande, T Rotunno, M Fagone - Composite Structures, 2024‏ - Elsevier
The paper presents a semi-analytical approach for the study of the debonding phenomenon
of Fiber Reinforced Cementitious Matrix (FRCM) systems externally applied to curved …

[HTML][HTML] Mesh objective characteristic element length for higher-order finite beam elements

J Shen, MRT Arruda, A Pagani, M Petrolo - Advances in Engineering …, 2024‏ - Elsevier
The use of fracture energy regularization techniques can effectively mitigate the mesh
dependency of numerical solutions caused by the strain softening behavior of quasi-brittle …

[HTML][HTML] Jacobian vs. disturbance method for UMATs in ABAQUS: An application to isotropic damage mechanics

MRT Arruda, J Shen - International Journal of Non-Linear Mechanics, 2024‏ - Elsevier
This paper compares the computational efficiency of different methodologies to estimate the
tangent stiffness applied to ABAQUS standard UMAT user-subroutine, using implicit …