Lattice Structures

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Composites Modelling and Characterization".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 253

Special Issue Editor


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Guest Editor
Fachgebiet Leichtbau und Strukturmechanik, Technische Universität Darmstadt, Otto-Berndt-Straße 2, D-64287 Darmstadt, Germany
Interests: stability; buckling; postbuckling; plates; laminates; free-edge effects; stress concentrations; analysis methods; aerospace engineering; closed-form methods

Special Issue Information

Dear Colleagues,

Additive manufacturing technologies are being increasingly applied across a wide range of industries. Characterized by its high design freedom, this manufacturing process enables greater potential for lightweight construction—such as in the aerospace industry—and facilitates functional integration across all industries. Additive manufacturing is a key enabler for the fabrication and industrial application of open-celled and closed-celled cellular lattice structures (strut-based and surface-based); these structures bear significant potential for lightweight design, with improved stiffness–weight ratios and reduced build times. This Special Issue invites papers from all areas of research related to lattice structures. Topics of interest include, but are not limited to, structural mechanics, design, simulation, modeling, manufacturing, optimization, experimental studies, and process control for lattice structures. Interdisciplinary contributions that address several of the aforementioned topics are especially welcome. In addition, we encourage the submission of case studies demonstrating applications of lattice structures. Particular emphasis is placed on papers that explore the application of lattice structures in composite science.

Prof. Dr. Christian Mittelstedt
Guest Editor

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Keywords

  • additive manufacturing
  • metamaterials
  • composite structures
  • lattices

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Published Papers (1 paper)

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Research

32 pages, 2559 KB  
Article
Thermomechanical Stability of Hyperbolic Shells Incorporating Graphene Origami Auxetic Metamaterials on Elastic Foundation: Applications in Lightweight Structures
by Ehsan Arshid
J. Compos. Sci. 2025, 9(11), 594; https://doi.org/10.3390/jcs9110594 - 2 Nov 2025
Viewed by 66
Abstract
This study presents an analytical investigation of the thermomechanical stability of hyperbolic doubly curved shells reinforced with graphene origami auxetic metamaterials (GOAMs) and resting on a Pasternak elastic foundation. The proposed model integrates shell geometry, thermal–mechanical loading, and architected auxetic reinforcement to capture [...] Read more.
This study presents an analytical investigation of the thermomechanical stability of hyperbolic doubly curved shells reinforced with graphene origami auxetic metamaterials (GOAMs) and resting on a Pasternak elastic foundation. The proposed model integrates shell geometry, thermal–mechanical loading, and architected auxetic reinforcement to capture their coupled influence on buckling behavior. Stability equations are derived using the First-Order Shear Deformation Theory (FSDT) and the principle of virtual work, while the effective thermoelastic properties of the GOAM phase are obtained through micromechanical homogenization as functions of folding angle, mass fraction, and spatial distribution. Closed-form eigenvalue solutions are achieved with Navier’s method for simply supported boundaries. The results reveal that GOAM reinforcement enhances the critical buckling load at low folding angles, whereas higher folding induces compliance that diminishes stability. The Pasternak shear layer significantly improves buckling resistance up to about 46% with pronounced effects in asymmetrically graded configurations. Compared with conventional composite shells, the proposed GOAM-reinforced shells exhibit tunable, folding-dependent stability responses. These findings highlight the potential of origami-inspired graphene metamaterials for designing lightweight, thermally stable thin-walled structures in aerospace morphing skins and multifunctional mechanical systems. Full article
(This article belongs to the Special Issue Lattice Structures)
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