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Optimizing density-functional simulations for two-dimensional metals

Autor: KAMEYAB RAZA ABIDI, Pekka Koskinen

Publikováno v: Physical Review Materials. 6

Unlike covalent two-dimensional (2D) materials like graphene, 2D metals have non-layered structures due to their non-directional, metallic bonding. While experiments on 2D metals are still scarce and challenging, density-functional theory (DFT) provi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::166d678c42e7cbd76f953d094bb5d084
https://doi.org/10.1103/physrevmaterials.6.124004

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Approximation of pre-twisted Achilles sub-tendons with continuum beam elements

Autor: Leonid Obrezkov, Babak Bozorgmehri, Taija Finni, Marko K. Matikainen

Achilles sub-tendons are materially and geometrically challenging structures that can nearly undergo around 15% elongation from their pre-twisted initial states during physical activities. Sub-tendons' cross-sectional shapes are subject-specific, var

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9f780b135c166a0bbe4ebe607625f6d
https://lirias.kuleuven.be/handle/20.500.12942/700183

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Modeling of the Achilles Subtendons and Their Interactions in a Framework of the Absolute Nodal Coordinate Formulation

Autor: Obrezkov, Leonid P., Finni, Taija, Matikainen, Marko K.

Experimental results have revealed the sophisticated Achilles tendon (AT) structure, including its material properties and complex geometry. The latter incorporates a twisted design and composite construction consisting of three subtendons. Each of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1222::105e2e2b881876cfd2fe0cbcbbfa6bcc
http://urn.fi/URN:NBN:fi:jyu-202301261500

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Limits of lateral expansion in two-dimensional materials with line defects

Autor: Pekka Koskinen

The flexibility of two-dimensional (2D) materials enables static and dynamic ripples that are known to cause lateral contraction, shrinking of the material boundary. However, the limits of 2D materials' \emph{lateral expansion} are unknown. Therefore

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22c4ade9a7d5d000eea94ca56aa886ff
http://urn.fi/URN:NBN:fi:jyu-202109094836

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Rippling of two-dimensional materials by line defects

Autor: Topi Kähärä, Pekka Koskinen

Publikováno v: Physical Review B. 102

Two-dimensional materials and their mechanical properties are known to be profoundly affected by rippling deformations. However, although ripples are fairly well understood, less is known about their origin and controlled modification. Here, motivate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de440432a82459d72815cdf70d7aedd0
https://doi.org/10.1103/physrevb.102.075433

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