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Metals
Special Issues
Experimental and Numerical Investigation of Compression Behavior in Steel Structures
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Experimental and Numerical Investigation of Compression Behavior in Steel Structures

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Structural Integrity of Metals".

Deadline for manuscript submissions: 20 February 2025 | Viewed by 1439

Special Issue Editors

Dr. Nuno Ricardo Maia Peixinho

E-Mail Website
Guest Editor
Department of Mechanical Engineering, School of Engineering, University of Minho, 4800-058 Guimarães, Portugal
Interests: structural impact; high-strength steel; light alloys
Dr. Maria Isabel Brito Valente

E-Mail Website
Guest Editor
Department of Civil Engineering, School of Engineering, University of Minho, 4800-058 Guimarães, Portugal
Interests: steel structures; buckling

Special Issue Information

Dear Colleagues,

Steel is one of the most widely used materials in the product manufacturing and construction industries. Developments in chemical composition and advances in casting, metal forming and heat treatment technologies will allow us to obtain steel products that are tailored for demanding applications. Such applications range from low-carbon sheet steels for automotive applications, through structural steels for bridges, buildings, linepipes, ships, pressure vessels, etc., to stainless steels, high-alloy specialty steels, and tool steels. Furthermore, in many products the compressive behavior must be taken into consideration as a design loading requisite. This includes buckling behavior in structural members as well as crashworthiness of tubular sections. Numerical tools and experimental protocols must be able to capture and model such behavior.

This Special Issue aims to cover recent progress and new developments in experimental and numerical studies of compressive behavior of steel structures and structural parts. All aspects related to characterization, modeling, and analytical or numerical tools are relevant. Review articles which describe the current state of the art are also welcomed. Topics of interest include, but are not limited to:

  • mechanical behavior
  • experimental characterization
  • constitutive modelling
  • numerical simulation
  • industrial applications
  • construction and infrastructure applications
  • life-cycle cost assessment and optimization
  • crashworthiness
  • topology optimization
  • innovative design solutions
  • fatigue and fracture

Dr. Nuno Ricardo Maia Peixinho
Dr. Maria Isabel Brito Valente
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • steel structures
  • compressive behavior
  • crashworthiness
  • buckling
  • numerical simulation
  • constitutive modelling
  • experimental techniques

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Published Papers (2 papers)

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Research

20 pages, 11882 KiB  
Article
Estimating the Cowper–Symonds Parameters for High-Strength Steel Using DIC Combined with Integral Measures of Deviation
by Andrej Škrlec, Branislav Panić, Marko Nagode and Jernej Klemenc
Metals 2024, 14(9), 992; https://doi.org/10.3390/met14090992 - 31 Aug 2024
Viewed by 355
Abstract
Cowper–Symonds parameters were estimated for the complex-phase high-strength steel with a commercial name of SZBS800. The parameter estimation was based on a series of conventional tensile tests and unconventional high-strain rate experiments. The parameters were estimated using a reverse engineering approach. LS-Dyna was [...] Read more.
Cowper–Symonds parameters were estimated for the complex-phase high-strength steel with a commercial name of SZBS800. The parameter estimation was based on a series of conventional tensile tests and unconventional high-strain rate experiments. The parameters were estimated using a reverse engineering approach. LS-Dyna was used for numerical simulations, and the material’s response was modelled using a piece-wise linear plasticity model with a visco-plastic formulation of the Cowper–Symonds material model. A multi-criteria cost function was defined and applied to obtain a response function for the parameters p and C. The cost function was modelled with a response surface, and the optimal parameters were estimated using a real-valued genetic algorithm. The main novelty and innovation of this article is the definition of a cost function that measures a deviation between the deformed geometry of the flat plate-like specimens and the results of the numerical simulations. The results are compared to the relevant literature. A critical evaluation of our results and references is another novelty of this article. Full article
(This article belongs to the Special Issue Experimental and Numerical Investigation of Compression Behavior in Steel Structures)
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14 pages, 6765 KiB  
Article
Behaviour of Dissimilar Welded Connections of Mild Carbon (S235), Stainless (1.4404), and High-Strength (S690) Steels under Monotonic and Cyclic Loading
by Anna Ene, Aurel Stratan and Ioan Both
Metals 2024, 14(9), 989; https://doi.org/10.3390/met14090989 - 29 Aug 2024
Viewed by 297
Abstract
In the context of an increasing interest in the use of high-performance steels in the construction industry due to their superior mechanical properties, understanding the behaviour and assessing the performance of dissimilar welded connections becomes essential. When several steel grades are adopted for [...] Read more.
In the context of an increasing interest in the use of high-performance steels in the construction industry due to their superior mechanical properties, understanding the behaviour and assessing the performance of dissimilar welded connections becomes essential. When several steel grades are adopted for fabrication of the same dissipative element, dissimilar welded connections have a decisive importance regarding the seismic performance of the structural member. This paper presents the experimental results of monotonic and low-cycle fatigue (LCF) tests on dissimilar welded connections. The welded connections are designed to reproduce the loading state that occurs between the web and the flanges of dissipative links in an eccentrically braced frame, and represent combinations of S235 mild carbon steel, 1.4404 austenitic stainless steel, and S690 high-strength steel. The obtained experimental results provide a better understanding of the behaviour of dissimilar welded connections through the evaluation of their strength, ductility, and failure mechanisms, providing a basis for finite element (FE) models’ calibration for further numerical simulations. This study contributes to the evaluation of the feasibility of connections between dissimilar steels in seismic-resistant steel structures. Full article
(This article belongs to the Special Issue Experimental and Numerical Investigation of Compression Behavior in Steel Structures)
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