Shape sensing of Timoshenko beam subjected to complex multi-node loads using isogeometric analysis
Measurement, ISSN: 0263-2241, Vol: 184, Page: 109958
2021
- 20Citations
- 9Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
An effective computational method, which employs fewer strain sensors to reconstruct the Timoshenko beam under complex loads, is proposed. This method takes inverse Finite Element Method (iFEM) as a basic framework and isogeometric analysis (IGA) as an improved strategy. Initially, the kinematical equations of the Timoshenko beam are decreased to a single variable differential equation with rotation. Then, IGA can be used to describe the rotation, where the spline basis functions can be determined based on the continuity interpolation criteria. Next, relationships between rotation deformation and surface measured strains are established. Meanwhile, the geometric variables can be determined through the constitutive equations and boundary conditions. Finally, four different test loads were applied to a thin-walled aluminum beam, and the experimental results show that the presented reconstruction method has excellent accuracy than the iFEM under complex loads.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0263224121008939; http://dx.doi.org/10.1016/j.measurement.2021.109958; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85112600816&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0263224121008939; https://dx.doi.org/10.1016/j.measurement.2021.109958
Elsevier BV
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