An advanced beam-column element for analysis of frames in fires

VT Luu, SE Kim - International Journal of Mechanical Sciences, 2023 - Elsevier
A novel advanced fiber beam-column element, which utilizes the stability functions and the
fiber distributed plasticity model to capture the geometric and material nonlinearities, is …

[HTML][HTML] A layer-wise plasticity-based approach for the analysis of reinforced concrete shell structures using a mixed finite element

FS Liguori, A Corrado, A Bilotta, A Madeo - Engineering Structures, 2023 - Elsevier
The analysis of reinforced concrete shell structures accounting for material nonlinearity is
addressed. The structural response is numerically evaluated using a mixed shell finite …

Fiber‐based shakedown analysis of three‐dimensional frames under multiple load combinations: Mixed finite elements and incremental‐iterative solution

D Magisano, G Garcea - International Journal for Numerical …, 2020 - Wiley Online Library
This work presents an efficient fiber analysis for evaluating the shakedown safety factor of
three‐dimensional frames under multiple load combinations. Mixed finite elements are …

Limit fire analysis of 3D frame structures

D Magisano, G Garcea - Engineering Structures, 2021 - Elsevier
This work introduces a mathematical problem named limit fire analysis for estimating the
structural safety of 3D frames in case of fire, taking into account the stress redistribution. It is …

Modular implementation framework of partitioned path-following strategies: Formulation, algorithms and application to the finite element software Cast3M

HL Oliveira, G Rastiello, A Millard, I Bitar… - Advances in Engineering …, 2021 - Elsevier
Damage, cracking, and strain localization mechanisms often lead to unstable structural
responses characterized by snap-backs (ie, force and displacement decrease …

[HTML][HTML] Computational issues in biaxial bending capacity assessment of RC and composite cross-sections exposed to fire

CG Chiorean - Computers & Structures, 2024 - Elsevier
This paper introduces an advanced computational method for assessing the biaxial bending
capacities of arbitrary-shaped reinforced concrete and steel–concrete composite cross …

[HTML][HTML] Assessment of post-earthquake fire capacity of RC frames without seismic design

H Vitorino, PV Real, R Sousa, C Couto… - Engineering Failure …, 2024 - Elsevier
To study the importance of post-earthquake fire events, 500 reinforced concrete (RC) frames
were designed without seismic considerations. These consist in three-bays frames with a …

An efficient model for 3D analysis of steel frames exposed to fire

M Bursać, SM Kostić - Computers & Structures, 2024 - Elsevier
The paper presents a nonlinear concentrated plasticity frame element for advanced analysis
of steel frames exposed to elevated temperatures. The element extends the formulation …

A reduced order model for nonlinear time history seismic analyzes of elasto‐plastic 3D frame structures

D Magisano, A Corrado, A Madeo… - … & Structural Dynamics, 2022 - Wiley Online Library
A reduced order model for the nonlinear dynamic seismic analysis of elasto‐plastic 3D
frame structures is presented. It is based on an approximated solution space for the …

[HTML][HTML] A new methodology using beam elements for the analysis of steel frames subjected to non-uniform temperatures due to fires

MR Pallares-Munoz, I Paya-Zaforteza, A Hospitaler - Structures, 2021 - Elsevier
Non-uniform heating in structures under fire involves the appearance of 3D-phenomena and
typically requires the use of complex models built with finite elements shell or solid. Although …