Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Amir Najibi"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract This study presents a thorough numerical evaluation of the crashworthiness properties of a new bio-inspired DNA tubes (BIDNATs) with circular, elliptical, and rectangular cross-sections. Deformation and crashworthiness behaviors are evaluate
Externí odkaz:
https://doaj.org/article/9b9e0775a4b5416798ef7dfc2bd9545d
Autor:
Amir Najibi, Guang-Hui Wang
Publikováno v:
Symmetry, Vol 15, Iss 5, p 1009 (2023)
In the present work, we implement a graded finite element analysis to solve the axisymmetric 2D hyperbolic heat conduction equation in a finite hollow cylinder made of functionally graded materials using quadratic Lagrangian shape functions. The grad
Externí odkaz:
https://doaj.org/article/be7043e496764f97b05e3f21a0d16d8d
Publikováno v:
Mechanics of Advanced Composite Structures, Vol 6, Iss 1, Pp 57-64 (2019)
In this article, the results of a study on energy absorption characteristics of foam-filled thin-walled structures with finite element analysis have been presented. Four specimens of thin walled structures have been filled with uniform foam and three
Externí odkaz:
https://doaj.org/article/fb020526b295443c8829ce71a1d74e5e
Axisymmetric Elastic stress investigation of a 2D- FGM thick hollow cylinder with new material model
Autor:
Amir Najibi, Ramezanali Hajighorbani
Publikováno v:
مجله مدل سازی در مهندسی, Vol 17, Iss 56, Pp 111-122 (2019)
In this paper elastic mechanical stress analysis for a 2D- FGM thick hollow cylinder with finite length have been conducted in which the material properties distributions are following a new developed material model according to the Mori- Tanaka sche
Externí odkaz:
https://doaj.org/article/cb033942385d4c9f92d20668cdc1a23c
Autor:
Rasoul Daneshfaraz, Ehsan Aminvash, Mohammad Bagherzadeh, Amir Ghaderi, Alban Kuriqi, Amir Najibi, Ana M. Ricardo
Publikováno v:
Symmetry, Vol 13, Iss 9, p 1643 (2021)
This study aims to provide a way to increase the energy dissipation of flow in the inclined drop with environmental and economic considerations. Eighty-one experiments were performed on three types of simple inclined drop and inclined drop equipped w
Externí odkaz:
https://doaj.org/article/14de166e99574bf0a743064e1cd1c869
Publikováno v:
Latin American Journal of Solids and Structures, Vol 13, Iss 14, Pp 2552-2572
Abstract In this study a newly developed thin-walled structure with the combination of circular and square sections is investigated in term of crashworthiness. The results of the experimental tests are utilized to validate the Abaqus/ExplicitTM finit
Externí odkaz:
https://doaj.org/article/a5d21269f0994c2d9cc8cb825914a735
Publikováno v:
Mechanics Based Design of Structures and Machines. :1-23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f515932b646a5ddc92daf361fc5d5d0
https://doi.org/10.1080/15397734.2023.2165099
https://doi.org/10.1080/15397734.2023.2165099
Publikováno v:
Ships and Offshore Structures. :1-14
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be700495b3a2a975838ea20f4ba4767d
https://doi.org/10.1080/17445302.2022.2162754
https://doi.org/10.1080/17445302.2022.2162754
Publikováno v:
Engineering Computations. 40:100-125
PurposeThe authors examined the numerical natural frequency analysis of a 2D functionally graded (FG) truncated thick hollow cone using 3D elasticity theory.Design/methodology/approachThe material properties of the 2D-FGM (two dimensional-functionall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edb3806a453c406810dedb71435b00ba
https://doi.org/10.1108/ec-05-2022-0377
https://doi.org/10.1108/ec-05-2022-0377
Publikováno v:
Ships and Offshore Structures. :1-12
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2837e4b14613419c1ab149312d0b064f
https://doi.org/10.1080/17445302.2022.2133881
https://doi.org/10.1080/17445302.2022.2133881