Zobrazeno 1 - 10
of 205
pro vyhledávání: '"R. Citarella"'
Publikováno v:
AIMS Materials Science, Vol 4, Iss 2, Pp 391-412 (2017)
Wendelstein 7-X is the world’s largest nuclear fusion experiment of stellarator type, in which a hydrogen plasma is confined by a magnet field generated with external superconducting coils, allowing the plasma to be heated up to the fusion temperat
Externí odkaz:
https://doaj.org/article/df497e83d40041f4b22d2d3360168311
Autor:
R. Citarella
Publikováno v:
Frattura ed Integrità Strutturale, Vol 10, Iss 36, Pp 160-167 (2016)
A Multi-Site Damage (MSD) crack growth simulation is presented, carried out by means of Dual Boundary Element Method (DBEM), in a two-dimensional analysis of a cracked butt-joint made of aluminium 2024 T3. An equivalent crack length is proposed for
Externí odkaz:
https://doaj.org/article/34505b78723347a791122e69c539dedf
Autor:
R. Citarella
Publikováno v:
Frattura ed Integrità Strutturale, Vol 10, Iss 35, Pp 523-533 (2016)
The present work summarizes a numerical procedure aimed at the evaluation of the residual strength of a cracked lap joint, based on the competing failure mechanisms regulated by the R-curve analysis and plastic collapse. The model adopted for Stres
Externí odkaz:
https://doaj.org/article/f802db6ad6764194b60dcccb82a2bef9
Autor:
R. Citarella, M. Perrella
Publikováno v:
Frattura ed Integrità Strutturale, Vol 9, Iss 34, Pp 554-563 (2015)
In this work, the Taguchi method is applied for the optimal choice of design parameter values for a polygonal shaft-hub coupling. The objective is to maximize a performance function, minimizing, at the same time, its sensitivity to noises factors (
Externí odkaz:
https://doaj.org/article/3b45259a19b24caea80751d4790b69ed
Publikováno v:
Frattura ed Integrità Strutturale, Vol 9, Iss 34, Pp 514-523 (2015)
A three-dimensional crack propagation simulation is performed by the Dual Boundary Element Method (DBEM). The Stress Intensity Factors (SIFs) along the front of a semi elliptical crack, initiated from the external surface of a hollow axle, are calc
Externí odkaz:
https://doaj.org/article/5814483064de4db3b41a97aae642ac8d
Publikováno v:
Frattura ed Integrità Strutturale, Vol 9, Iss 31, Pp 97-119 (2015)
Subsea wellhead systems exposed to severe fatigue loading are becoming increasingly a significant problem in offshore drilling operations due to their applications in wells with higher levels of pressure and temperature, situated at larger depths a
Externí odkaz:
https://doaj.org/article/dfc8202f49f54560b031230a3bebb6bd
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
The aim of the proposed research activity is to investigate the mechanical behaviour of a part of aerospace horizontal stabilizer, made of composite materials and undergoing static loads. The prototype design and manufacturing phases have been carrie
Externí odkaz:
https://doaj.org/article/1b4c8096a42a46bc93b199f8f39bbb4a
Publikováno v:
Frattura ed Integrità Strutturale, Vol 7, Iss 26, Pp 92-103 (2013)
The fivefold symmetric modular stellarator Wendelstein 7-X (W7-X) is currently under construction in Greifswald, Germany. The superconducting coils of the magnet system are bolted onto a central support ring and interconnected with five so-called lat
Externí odkaz:
https://doaj.org/article/d1a2f9b0ebf84f48a0ced245c6ea54f7
Autor:
R. Citarella
Publikováno v:
Frattura ed Integrità Strutturale, Vol 10, Iss 35 (2015)
The present work summarizes a numerical procedure aimed at the evaluation of the residual strength of a cracked lap joint, based on the competing failure mechanisms regulated by the R-curve analysis and plastic collapse. The model adopted for Stress
Externí odkaz:
https://doaj.org/article/234b503899bc48c0b6f8f7561e85dac8
Publikováno v:
Frattura ed Integrità Strutturale, Vol 9, Iss 31 (2014)
An edge crack propagation in a steel bar of circular cross-section undergoing multiaxial fatigue loads is simulated by Finite Element Method (FEM). The variation of crack growth behaviour is studied under axial and combined in phase axial+torsional f
Externí odkaz:
https://doaj.org/article/0ef65f351d534f46adbd6d872a0bbe5a