Cellular topology optimization on differentiable Voronoi diagrams
Sign Up to like & getrecommendations! Published in 2022 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.7121
Abstract: Cellular structures manifest their outstanding mechanical properties in many biological systems. One key challenge for designing and optimizing these geometrically complicated structures lies in devising an effective geometric representation to characterize the system's spatially varying… read more here.
Keywords: topology; topology optimization; voronoi; representation ... See more keywords
Multifunctional design of heterogeneous cellular structures
Sign Up to like & getrecommendations! Published in 2018 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-018-1956-9
Abstract: Mesoscale cellular structures with different desired physical properties are promising for a broad spectrum of applications. The availability of Additive Manufacturing (AM) technology has significantly relaxed the fabricating limitation of cellular structures. It enables the… read more here.
Keywords: method; cellular structures; optimization; multifunctional design ... See more keywords
Multiscale design of functionally graded cellular structures for additive manufacturing using level-set descriptions
Sign Up to like & getrecommendations! Published in 2021 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-021-02959-3
Abstract: The emergence of additive manufacturing (AM) has enabled the design of complex structures with high performance, such as functionally graded cellular structures (FGCSs). Concurrent topology optimization is commonly utilized for designing FGCSs; however, this approach… read more here.
Keywords: optimization; level set; topology; design ... See more keywords
About metastable cellular structure in additively manufactured austenitic stainless steels
Sign Up to like & getrecommendations! Published in 2021 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101804
Abstract: Abstract The quick-emerging paradigm of additive manufacturing technology has revealed salient advantages in enabling the tailored-design of structural components with more exceptional performances over ordinary subtractive processing routines. As a peculiar feature, sub-micro cellular structures… read more here.
Keywords: austenitic stainless; cellular structures; additive manufacturing; additively manufactured ... See more keywords
Investigation on the mechanical properties of topologically optimized cellular structures for sandwiched morphing skins
Sign Up to like & getrecommendations! Published in 2020 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.112555
Abstract: Abstract The mechanical performances of sandwiched morphing skin used for morphing aircraft are principally determined by the cellular substructure undertaking morphing stress. In this paper, in order to guide the design of sandwiched morphing skins… read more here.
Keywords: morphing skins; sandwiched morphing; properties topologically; cellular structures ... See more keywords
Modeling of the effect of local material imperfection to the structural mechanical property variability of 2D finite-size cellular structures
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2021.113610
Abstract: Abstract Understanding the effect of local material property fluctuation on the overall structural properties of cellular structures is not only important for more effective designs, but also critical for their adoption in load-bearing applications. In… read more here.
Keywords: property; effect local; material; material imperfection ... See more keywords
Load distribution and damage evolution in bending and stretch dominated Ti-6Al-4V cellular structures processed by selective laser melting
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2018.12.017
Abstract: Abstract Cellular structures produced by additive manufacturing techniques, such as selective laser melting, enable for realizing parts of high specific strength and stiffness. In dependence of the prevalent deformation mechanism, i.e. bending or stretch dominated… read more here.
Keywords: damage evolution; distribution damage; cellular structures;
Orthotropic elastic constants of 2D cellular structures with variously arranged square cells: The effect of filleted wall junctions
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2016.12.026
Abstract: Abstract Cellular materials are characterized by a complex interconnected structure of struts or plates and shells, which make up the cells edges and faces. Their structure can be advantageously engineered in order to tailor their… read more here.
Keywords: structures variously; arranged square; effect; cellular structures ... See more keywords
Mechanical properties of 3D auxetic closed-cell cellular structures
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.105596
Abstract: Abstract A novel 3D closed-cell cellular structure with different negative Poisson's ratio under tension and compression was presented. The 3D closed-cell cellular structure was generated by assembling the plane repeat units and sinusoidal wavy sheets… read more here.
Keywords: closed cell; poisson ratio; cellular structures; cell cellular ... See more keywords
Damping in cellular structures made from composite struts and walls with elastic and viscoelastic phases
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2020.104106
Abstract: Abstract Emerging three-dimensional printing approaches enable cellular structures with composite walls or struts, creating new opportunities for architected materials with high specific stiffness and damping. This paper describes the damped dynamic response of composite walls… read more here.
Keywords: loss; viscoelastic phases; composite walls; elastic viscoelastic ... See more keywords
The Riveting Cellular Structures of Apicomplexan Parasites.
Sign Up to like & getrecommendations! Published in 2020 at "Trends in parasitology"
DOI: 10.1016/j.pt.2020.09.001
Abstract: Parasitic protozoa of the phylum Apicomplexa cause a range of human and animal diseases. Their complex life cycles - often heteroxenous with sexual and asexual phases in different hosts - rely on elaborate cytoskeletal structures… read more here.
Keywords: riveting cellular; structures apicomplexan; cellular structures; biology ... See more keywords