Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Shujin Laima"'
Autor:
Yafei Wang, Hui Feng, Nan Xu, Jiwei Zhong, Zhengxing Wang, Wenfan Yao, Yuyin Jiang, Shujin Laima
Publikováno v:
Applied Sciences, Vol 14, Iss 6, p 2233 (2024)
Vortex-induced vibration (VIV) of long-span bridges can be of large amplitude, which can influence serviceability. Therefore, it is important to predict the response of vortex-induced vibration to aid the management of long-span bridges. A novel data
Externí odkaz:
https://doaj.org/article/b5f6be44efd64207a4c4d03dc3ecc366
Publikováno v:
Applied Sciences, Vol 13, Iss 20, p 11505 (2023)
The increasing number of suspension bridges has led to designs favoring greater length and flexibility, resulting in a common problem of vortex-induced vibration. While vortex-induced vibration typically does not cause structural damage, it diminishe
Externí odkaz:
https://doaj.org/article/e2c5bc3ec1444eaeb1240f1fb523e77b
Publikováno v:
Applied Sciences, Vol 12, Iss 19, p 9610 (2022)
Accurate wind speed prediction is of importance for long-span cross-sea bridges. To this end, data decomposition techniques are usually employed to promote accuracy of the prediction model. Since wind speed data come sequentially, real-time decomposi
Externí odkaz:
https://doaj.org/article/4afd1bfa4f7d42d39d4f7732b9ebb8ee
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 10818 (2021)
Wind-tunnel experiments are performed to investigate the effects of trailing-edge reattachment on the flutter behaviors of spring-suspended trailing-edge-changeable section models. Different Trailing edges (TE) were fixed at the back of a body to adj
Externí odkaz:
https://doaj.org/article/5aea1a166fd846ac9e00f142809d2f89
Publikováno v:
Applied Sciences, Vol 11, Iss 20, p 9517 (2021)
To investigate the aerodynamic characteristics of a twin-box girder in turbulent incoming flow, we carried out wind tunnel tests, including two aerodynamic interferences: leading body-height grid, and leading circular cylinder. In this study, the pre
Externí odkaz:
https://doaj.org/article/9f136e43ee134003a276577e109ee700
Publikováno v:
AIP Advances, Vol 9, Iss 10, Pp 105112-105112-14 (2019)
Wall model large eddy simulations (WMLES) are carried out to investigate the amplitude modulation exerted on near-wall small-scale motions by outer layer large-scale motions in the atmospheric boundary layer at high Reynolds number O(106–107). The
Externí odkaz:
https://doaj.org/article/848cdf8829e744a0a889a0192e0dabcb
Autor:
Wenjie Li, Shujin Laima
Publikováno v:
Applied Sciences, Vol 10, Iss 21, p 7781 (2020)
Recently, the nonlinear flutter behavior of long-span suspension bridges has attracted attention. Unlike the classical theory of bridge flutter, the stable limit cycle oscillations (LCO) have occurred for some bluff aerodynamic configurations when th
Externí odkaz:
https://doaj.org/article/75a326d5b0a14f9c9b6b35bf99133786
Publikováno v:
Energies, Vol 13, Iss 5, p 1068 (2020)
Coherent structures in the turbulent boundary layer were investigated under different stability conditions. Qualitative analyses of the flow field, spatial correlation coefficient field and pre-multiplied wind velocity spectrum showed that the domina
Externí odkaz:
https://doaj.org/article/492c611882cd4cbf97d3a3647c5b2762
Publikováno v:
Energies, Vol 13, Iss 3, p 659 (2020)
Wall-model large eddy simulations (WMLES) are conducted to investigate the spatial features of large-scale and very-large-scale motions (LSMs and VLSMs) in turbulent boundary flow in different surface roughnesses at a very high Reynolds number, O (10
Externí odkaz:
https://doaj.org/article/e5b867344ba44d39a0a1421cf310e71e
Publikováno v:
Energies, Vol 13, Iss 1, p 258 (2020)
Reynolds-stress closure modeling is critical to Reynolds-averaged Navier-Stokes (RANS) analysis, and it remains a challenging issue in reducing both structural and parametric inaccuracies. This study first proposes a novel algebraic stress model name
Externí odkaz:
https://doaj.org/article/9b9a26c490d945398bfd243c9dfcc62d