Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Roya Shademani"'
Publikováno v:
International Journal of Maritime Technology, Vol 9, Iss Winter and Spring 2018, Pp 1-13 (2018)
In this paper, symmetric water entry of twin wedges is investigated for deadrise angle of 30 degree. Three numerical simulation of a symmetric impact, considering rigid body dynamic equations of motion in two-phase flow is presented. The two-phase fl
Externí odkaz:
https://doaj.org/article/6bf695581b4c4bd3ba8b7c2d1317e374
Autor:
Roya Shademani, P. Ghadimi
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 10, Iss 1, Pp 353-368 (2017)
Asymmetric water entry of twin wedges is investigated for deadrise angles of 30 and 50 degrees, and heel angles of 5, 10, 15, and 20 degrees as well as wedge separation ratios of 1 and 2. Finite Element based Finite Volume method (FEM-FVM) is used in
Externí odkaz:
https://doaj.org/article/e6fe05c0d41a48ba8d74f131fa783ffc
Autor:
Roya Shademani, Parviz Ghadimi
Publikováno v:
Brodogradnja, Vol 67, Iss 1, Pp 101-124 (2016)
In this paper, water entry of wedges with deadrise angles ranging from 10 to 80 degrees at two different velocities is simulated. Impact forces, spray parameters, cavity formation above the chine, and secondary impact forces due to the cavity formati
Externí odkaz:
https://doaj.org/article/c090da8c5bbd49539149feaaec988308
Publikováno v:
International Journal of Maritime Technology, Vol 9, Iss Winter and Spring 2018, Pp 1-13 (2018)
In this paper, symmetric water entry of twin wedges is investigated for deadrise angle of 30 degree. Three numerical simulation of a symmetric impact, considering rigid body dynamic equations of motion in two-phase flow is presented. The two-phase fl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::935feaa71021a05b7e61d7dd92d00c78
http://ijmt.ir/article-1-602-en.html
http://ijmt.ir/article-1-602-en.html
Autor:
Parviz Ghadimi, Roya Shademani
Publikováno v:
Scientia Iranica. 24:223-236
The present paper focuses on the assessment of turbulent effects on the impact force, spray, and secondary impact force of the wedge water entry. For this purpose, a finite element based finite volume method code coupled with volume of fluid has been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2f9c5e4ed4d8bca8191e7c5e43900d2
https://doi.org/10.24200/sci.2017.4028
https://doi.org/10.24200/sci.2017.4028
Autor:
Parviz Ghadimi, Roya Shademani
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 39:1989-1999
The growing application of catamaran planing hulls implies the significance of comprehensive studies on different aspects of these types of vessels. In this context, slamming is an important phenomenon which is generally simplified to the wedge water
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::393400c9f1a1624d847936f20aa11f91
https://doi.org/10.1007/s40430-016-0679-3
https://doi.org/10.1007/s40430-016-0679-3
Autor:
Amin Rahimzadeh, Roya Shademani, Mohammad A. Feizi Chekab, Parviz Ghadimi, Mohammad Hadi Jabbari
Publikováno v:
ISH Journal of Hydraulic Engineering. 22:30-39
This paper presents numerical solution of one-dimensional enhanced Boussinesq equations introduced by Madsen and Sorensen for modeling the solitary wave propagation in three different physical situations. Governing equations are spatially discretized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7654e9a2920dec1c698f99455d71cb68
https://doi.org/10.1080/09715010.2015.1060873
https://doi.org/10.1080/09715010.2015.1060873
Publikováno v:
AIP Conference Proceedings.
In this study, the unsteady flow of three dimensional rectangular ducts is investigated using the energy gradient method. The instability maximum ratio of the energy gradient in the two orthogonal directions is predicted for different aspect ratios.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f97911936b24b72bcd33daaf816f69fa
https://doi.org/10.1063/1.4912979
https://doi.org/10.1063/1.4912979