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Applied Sciences
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Mechanical Properties and Numerical Modeling of Advanced Materials
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Mechanical Properties and Numerical Modeling of Advanced Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: 20 February 2026 | Viewed by 429

Special Issue Editor

Dr. Maria Amélia Ramos Loja

E-Mail Website
Guest Editor
Centro de Investigação em Modelação e Optimização de Sistemas Multifuncionais (CIMOSM), Instituto Superior de Engenharia de Lisboa (ISEL), Avenue Conselheiro Emídio Navarro 1, 1959-007 Lisboa, Portugal
Interests: composite materials; advanced composites; numerical modeling; structural optimization; reverse engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The use of advanced materials, such as composites, nanostructured materials, and shape memory alloys, among others, are at the forefront of innovation in engineering and technology. Enhanced strength-to-weight ratios, superior durability, and tailored responses to environmental stimuli make them ideal for applications in aerospace, automotive, biomedical, and other high-tech industries, all of which is the motivation for this Special Issue focused on the mechanical characterization and numerical modeling of advanced materials.

Among other topics, we welcome contributions related to experimental methodologies for the assessment of key mechanical properties, as well as the development and application of cutting-edge numerical and or analytical techniques to predict material behavior and optimize materials’ and structures’ designs.

Overall, this Special Issue aims to collect and disseminate critical insights and tools to harness the full potential of advanced materials, advancing their implementation in cutting-edge technologies.

We invite you to share your research work and contribute to this Special Issue.

Dr. Maria Amélia Ramos Loja
Guest Editor

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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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

  • advanced materials
  • mechanical testing
  • experimental methodologies
  • numerical and/or analytical methods

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Published Papers (2 papers)

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Research

25 pages, 6073 KiB  
Article
Beam Finite Element Model Modification Considering Shear Stiffness: Octet-Truss Unit Cell with Springs
by Soheil Gholibeygi, Hale Ergün and Bahar Ayhan
Appl. Sci. 2025, 15(16), 8969; https://doi.org/10.3390/app15168969 (registering DOI) - 14 Aug 2025
Abstract
This study investigates the effects of modifying a beam model for octet-truss lattice structures to calculate the homogenized material properties using the average stress method. While alignment is observed at low relative densities, the unmodified beam model derives underestimated results at higher relative [...] Read more.
This study investigates the effects of modifying a beam model for octet-truss lattice structures to calculate the homogenized material properties using the average stress method. While alignment is observed at low relative densities, the unmodified beam model derives underestimated results at higher relative densities, reaching up to 40% and 30% for elastic and shear modulus values, respectively, for a relative density of 0.5. Beam model modification achieved by increasing strut stiffness at the joints is investigated in detail, and we conclude that both modulus values cannot fit the solid model’s results with this type of modification. This study proposes a novel modification method involving seven spring elements with two constants to capture both the elastic and shear moduli. This study concludes by compensating differences between the solid and beam models’ moduli with the inserted springs, providing an analytical solution for the linear elastic system. The performance of the unit cell models is tested by solving two lattice structures at which the elastic modulus and shear modulus were dominant, respectively, on the mechanical behavior. The results converge to a constant value when the number of unit cells is six, and the beam with a spring model achieved a performance that was close to that of the solid model for the shear-modulus-dominant lattice structure. Full article
(This article belongs to the Special Issue Mechanical Properties and Numerical Modeling of Advanced Materials)
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17 pages, 3356 KiB  
Article
Impact of Adaptive Process Control on Mechanical Properties of Plastic Parts and Process Robustness
by Tomasz Olszewski, Danuta Matykiewicz and Michał Jakubowicz
Appl. Sci. 2025, 15(16), 8829; https://doi.org/10.3390/app15168829 - 10 Aug 2025
Viewed by 203
Abstract
This work aimed to assess the influence of the iQ Weight Control System on the weight, dimensional stability, and mechanical properties of injection-molded samples. The properties of products made from glass fiber-reinforced polyamide and 50% regrind from post-production waste were evaluated. The mechanical [...] Read more.
This work aimed to assess the influence of the iQ Weight Control System on the weight, dimensional stability, and mechanical properties of injection-molded samples. The properties of products made from glass fiber-reinforced polyamide and 50% regrind from post-production waste were evaluated. The mechanical properties, such as impact strength and tensile strength, were measured to determine the material’s performance. Additionally, a spiral flow test was conducted to verify the process robustness and repeatability when producing with either virgin material or a blend of virgin and regrind material. The spiral flow test, which involves injecting the polymer melt into a spiral mold, provides insights into the processability and flow characteristics of the polymer under high shear rates. This test is crucial for assessing the consistency of the injection molding process and ensuring that the material maintains its properties across different production batches. Results demonstrated that, despite the viscosity reduction associated with regrind, the system successfully maintained a consistent shot weight, thereby stabilizing the amount of material injected into the mold cavity. The iQ Weight Control System activation led to an increase in impact strength from 9.50 kJ/m2 to 10.78 kJ/m2 for virgin samples and from 9.26 kJ/m2 to 9.73 kJ/m for a 50/50 virgin/regrind blend. Full article
(This article belongs to the Special Issue Mechanical Properties and Numerical Modeling of Advanced Materials)
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