Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Gustavo R. S. Assi"'
Publikováno v:
Journal of Fluid Mechanics. 928
This paper investigates the origin of flow-induced instabilities and their sensitivities in a flow over a rotationally flexible circular cylinder with a rigid splitter plate. A linear stability and sensitivity problem is formulated in the Eulerian fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48ca78e1c9b578d98576d0205f3853b4
https://doi.org/10.1017/jfm.2021.830
https://doi.org/10.1017/jfm.2021.830
Autor:
Gustavo R. S. Assi, D. T. Taira, Julio Romano Meneghini, Bruno Souza Carmo, C.R. Vogel, Richard H. J. Willden
Publikováno v:
Polytechnica. 2:97-109
Concerns about energy production and climate change are driving transitions towards renewable electricity sources around the world. Tidal stream energy has been identified as an energy source with potential as both a renewable and predictable resourc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2658f1e1b86b4e3fd9b887c12b46417
https://doi.org/10.1007/s41050-019-00017-y
https://doi.org/10.1007/s41050-019-00017-y
Publikováno v:
Journal of Fluids and Structures. 89:13-24
The present work investigates the suppression of vortex shedding of a circular cylinder of diameter D surrounded by a polar array 8 rotating wake-control cylinders of a considerably smaller diameter d ∕ D = 0 . 05 . A numerical approach was employe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e146dd8863860ff8050c133e74ab2eba
https://doi.org/10.1016/j.jfluidstructs.2019.03.003
https://doi.org/10.1016/j.jfluidstructs.2019.03.003
Publikováno v:
Journal of Fluids and Structures. 113:103652
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::370d2175e042b88c14d35a51cbe13754
https://doi.org/10.1016/j.jfluidstructs.2022.103652
https://doi.org/10.1016/j.jfluidstructs.2022.103652
Publikováno v:
Journal of Fluid Mechanics. 915
The development of the flow around a circular cylinder with a smaller diameter control rod in close proximity is the subject of this paper. It has long been known that this is an effective way to attenuate regular vortex shedding leading to reduction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f59d70bd7b4bc167c21981aa91200436
https://doi.org/10.1017/jfm.2021.64
https://doi.org/10.1017/jfm.2021.64
Autor:
André Mitsuo Kogishi, João Lucas Dozzi Dantas, Marcos de Mattos Pimenta, Jose Rodolfo Chreim, Gustavo R. S. Assi, Fillipe Rocha Esteves
Publikováno v:
Lecture Notes in Civil Engineering ISBN: 9789811546235
A novel formulation of the lifting-line theory for marine propellers, based on adaptations from the wing lifting-line theory, is reviewed; the formulation is capable of simulating skewed and raked propellers and incorporates the influence of viscosit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00f7a7f3aa5d50db26f5ae885d570a02
https://doi.org/10.1007/978-981-15-4624-2_37
https://doi.org/10.1007/978-981-15-4624-2_37
Autor:
Mariana B.R. Goulart, Kazuo Nishimoto, Alvaro Maia da Costa, Nelson F. F. Ebecken, Julio Romano Meneghini, Andre Bergsten, Gustavo R. S. Assi, Luiz Pinguelli Rosa, Antonio Miranda, Pedro Vassalo Maia da Costa, Camila Brandão
Publikováno v:
Volume 1: Offshore Technology.
In 2006, giant oilfields were discovered in Brazil in a water depth of ∼ 2200 m and under a caprock of 2000 m of continues salt rock overlaying the reservoirs, called pre-salt. Currently more than a half of the Brazilian oil and gas production come
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4fbd9eb42681ca7e2e999595167f463
https://doi.org/10.1115/omae2020-19129
https://doi.org/10.1115/omae2020-19129
The Ahmed body is one of the most studied 3D bluff bodies used for automotive research and was first proposed by Ahmed in 1984. The variation of the slant angle of the rear upper surface on this body generates different flow behaviours, similar to a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f11106fb08ddc9fbaef5758a436b2579
http://arxiv.org/abs/2001.11074
http://arxiv.org/abs/2001.11074
Publikováno v:
Lecture Notes in Computational Science and Engineering ISBN: 9783030396466
The Ahmed Body is one of the most widely studied bluff bodies used for automotive conceptual studies and Computational Fluid Dynamics (CFD) software validation. With the advances of the computational processing capacity and improvement in computing c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fefa843c652f75ce32ded138356ea34c
https://doi.org/10.1007/978-3-030-39647-3_23
https://doi.org/10.1007/978-3-030-39647-3_23
Autor:
Gustavo R. S. Assi, Tommaso Crespi
Publikováno v:
Proceeding of the VI International Ship Design & Naval Engineering Congress (CIDIN) and XXVI Pan-American Congress of Naval Engineering, Maritime Transportation and Port Engineering (COPINAVAL) ISBN: 9783030359621
The present work presents an experimental investigation of the suppression of vortex-induced vibrations of a circular cylinder by means of helical strakes. Experiments have been per- formed in a water channel at moderate Reynolds numbers. Three diffe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cbdd32a26c7afab997fb71effb26d95
https://doi.org/10.1007/978-3-030-35963-8_24
https://doi.org/10.1007/978-3-030-35963-8_24