Computational modelling of bone microstructure

Lü, Yongtao

doi:10.1016/b978-0-12-819531-4.00011-0

Cited by 2 publications

(2 citation statements)

References 68 publications

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“…Examples are: biological materials which may present a pseudo-random phases distribution (e.g. a bones) [9,10]; damaged elements affected by cyclic loading or ageing (e.g. reinforced beam/column concrete) [11,12]; elements in which the stiffness evaluation requires a multiphysics approach (e.g.…”

Section: Figure 1 Forces and Geometry Notation Of The Two-node Refere...mentioning

confidence: 99%

“…Furthermore, due to the symmetry of the flexibility sub-matrix [𝑪 𝐼𝐼 ], are necessary 21 measurements to build up the entire 144 × 144 3D stiffness matrix, or only 6 measurements for the 36 × 36 2D stiffness matrix. It is possible to obtain a similar result of (17) that instead use the stiffness and flexibility matrices associated to the node 𝑱 if equation (10,(14)(15)(16) are applied in (13):…”

Section: Stiffness Matrix From the Minimum Number Of Flexibility Meas...mentioning

confidence: 99%

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Homogenized Stiffness Matrix of Two-Node Elements through Experimental Flexibility tests

Iandiorio,

Cafolla,

Marotta

et al. 2024

IOP Conf. Ser.: Mater. Sci. Eng.

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Homogenization is a numerical technique to obtain the equivalent mediated response of a complex material. However, there are some scenarios in which the complexity of the physical phenomena present in the real structure makes it difficult to generate a faithful Representative Volume Element (RVE). In these cases, it may turn easier and more reliable to perform a homogenization directly by experimental test results. For this reason, we present a procedure to build-up the whole stiffness matrix starting from experiments. This approach is here discussed to get a homogenised two-node beam element. The procedure requires some flexibility measurements, thus allowing fewer measurements if compared to stiffness-based approach. The method is verified with some experiments carried on a frame structure. The comparisons with a Finite Element model build up with stiffness matrix assembly demonstrates the validity and robustness of the proposed procedure.

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Section: Figure 1 Forces and Geometry Notation Of The Two-node Refere...mentioning

confidence: 99%

Section: Stiffness Matrix From the Minimum Number Of Flexibility Meas...mentioning

confidence: 99%

Homogenized Stiffness Matrix of Two-Node Elements through Experimental Flexibility tests

Iandiorio,

Cafolla,

Marotta

et al. 2024

IOP Conf. Ser.: Mater. Sci. Eng.

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Exploring polyetheretherketone in dental implants and abutments: A focus on biomechanics and finite element methods

Hanna,

Amine,

Prasad

et al. 2024

Reviews on Advanced Materials Science

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This review article investigates the properties and applications of polyetheretherketone (PEEK) in the field of dental implantology. PEEK has emerged as a significant material of interest due to its mechanical strength, biocompatibility, and radiolucency. The article provides a detailed examination of PEEK’s biocompatibility and the various reinforcements that enhance its performance, including PEEK/HA, PEEK/β-TCP–TiO2, and CFR-PEEK. Focusing on dental applications, we discuss PEEK’s use in implant abutments, fixed dental prostheses, implants, and its commercial forms available for dental use. Further, the mechanical behavior of PEEK and its composites is analyzed, including its elastic behavior under various stress conditions and wear resistance. Moreover, the article conducts an integrative systematic review on the stress distribution in dental implants or abutments made from reinforced PEEK composites, assessed through finite element analysis. The aim of this review is to provide insights into the current state of research, the benefits, challenges, and future prospects of PEEK in implantology, and the biomechanical evaluation methods that underpin the development of this promising material.

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Computational modelling of bone microstructure

Cited by 2 publications

References 68 publications

Homogenized Stiffness Matrix of Two-Node Elements through Experimental Flexibility tests

Homogenized Stiffness Matrix of Two-Node Elements through Experimental Flexibility tests

Exploring polyetheretherketone in dental implants and abutments: A focus on biomechanics and finite element methods

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