Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Qiuwei Yang"'
Publikováno v:
Frontiers in Neurology, Vol 15 (2024)
ObjectiveTo investigate the effect of rehabilitation therapy on the global function, respiratory function, and quality of life in patients with amyotrophic lateral sclerosis (ALS).MethodsPubMed, Web of Science, and The National Library of Medicine (N
Externí odkaz:
https://doaj.org/article/70a0b8ac9c604b5d98d9d2526d191892
Publikováno v:
Materials, Vol 17, Iss 19, p 4710 (2024)
To accurately quantify the variation in concrete carbonation depth, selecting an appropriate mathematical curve model is crucial. Currently prevalent models, such as the Fick model and exponential models, confront limitations in prediction accuracy a
Externí odkaz:
https://doaj.org/article/7a460186efda49789c019653f185385a
Publikováno v:
Frontiers in Materials, Vol 10 (2023)
Vehicle load is an important factor for the fatigue damage of the orthotropic steel decks. The traffic vehicles for port highway in China are mainly multi-axle container trucks, which show different characteristics from conventional highways. Based o
Externí odkaz:
https://doaj.org/article/f6e859db0548496aa5cf4d5831e69be2
Publikováno v:
Axioms, Vol 12, Iss 6, p 551 (2023)
The diagnosis of structural damage usually belongs to a mathematical inverse problem. This work presents a novel frequency-shift flexibility sensitivity algorithm for structural damage assessment using only the first-order vibration mode to achieve t
Externí odkaz:
https://doaj.org/article/c2c6126151d94d048d93f0505c5c0c4f
Autor:
Qiuwei Yang, Xi Peng
Publikováno v:
Axioms, Vol 12, Iss 2, p 179 (2023)
The sensitivity reanalysis technique is an important tool for selecting the search direction in structural optimization design. Based on the decomposition perturbation of the flexibility matrix, a fast and exact structural displacement sensitivity re
Externí odkaz:
https://doaj.org/article/3d8b382dc5cf46da87a36e52d1cd2775
Publikováno v:
Materials, Vol 15, Iss 23, p 8440 (2022)
To ensure the safe use of structures, it is essential to develop efficient damage identification techniques. In this paper, a brand-new approach to identifying structural deterioration based on static displacement is proposed. First, the relationship
Externí odkaz:
https://doaj.org/article/1b4afe8112c442c9b487c06d1e6aa44a
Publikováno v:
Materials, Vol 15, Iss 21, p 7582 (2022)
Few studies have reported the cohesion and friction angle of concrete at a super early age. However, these two mechanical parameters are necessary to study the influence of engineering vibration on super-early-age concrete. In view of this, the mecha
Externí odkaz:
https://doaj.org/article/11fc7e9af20547008910c1539f93b683
Autor:
Shuai Luo, Qiuwei Yang
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 40 (2021)
A new test method based on sound signals for natural frequencies of steel components was proposed in this paper. The proposed method is a non-contact measurement method which does not need to install any sensors and therefore generates no measurement
Externí odkaz:
https://doaj.org/article/ea02029146944498a0be1107e8443acb
Publikováno v:
Materials, Vol 15, Iss 14, p 4914 (2022)
The compressive strength of concrete is an important parameter in construction practice. At present, there are few reports on the prediction model of the compressive strength of concrete at a super early age. For some engineering vibration analyses,
Externí odkaz:
https://doaj.org/article/57208974e5fc481fa50f4d2fcb5e4b6f
Publikováno v:
Aerospace, Vol 9, Iss 6, p 295 (2022)
Vibration-based damage assessment technology is a hot topic in aerospace engineering, civil engineering, and mechanical engineering. In this paper, a damage assessment approach using multiple-stage dynamic flexibility analysis is proposed for structu
Externí odkaz:
https://doaj.org/article/2990c28c266d43c0843978d94021c127