Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Calin-Dumitru COMAN"'
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 13, Iss 4, Pp 35-45 (2021)
This paper presents the effects of temperature on the axial stiffness of a hybrid metal-composite countersunk bolted joint designed for the bearing failure mode. A detailed 3D finite element model incorporating geometric, material and friction-based
Externí odkaz:
https://doaj.org/article/5d4ad0f8efa04fc89b37d7c211dc8cf5
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 13, Iss 3, Pp 29-44 (2021)
This article presents the influence of joint geometry on the damage mode in the CFRP (Carbon Fiber Reinforced Polymer) composite plate of the single-lap, protruding, hybrid metal-composite joints. A detailed 3D finite element model incorporating geom
Externí odkaz:
https://doaj.org/article/6faa767b86b34cada41a0498e93682cf
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 13, Iss 1, Pp 29-41 (2021)
This paper presents the effects of torque preload on the damage initiation and growth in the CFRP (Carbon Fiber Reinforced Polymer) composite laminated adherent of the single-lap, single-bolt, hybrid metal-composite joints. A detailed 3D finite eleme
Externí odkaz:
https://doaj.org/article/c6a3a629bdad4260b7ed4bd02fefbbe7
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 12, Iss 3, Pp 49-64 (2020)
This paper presents the temperature influence on the strength of the hybrid metal-composite multi-bolted joints. A detailed 3D finite element model, incorporating all possible nonlinearities as large deformations, in plane nonlinear shear deformation
Externí odkaz:
https://doaj.org/article/555cd7d42c6e415ca6895d6fe7093e7d
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 12, Iss 2, Pp 19-34 (2020)
This paper presents a numerical study for the influence of geometry on the damage initiation and growth in the CFRP (Carbon Fiber Reinforced Polymer) laminated plate of the hybrid metal-composite countersunk bolted joints. A detailed 3D finite elemen
Externí odkaz:
https://doaj.org/article/a74b089e30bc41659037c2a285b5b296
Publikováno v:
INCAS Bulletin, Vol 11, Iss 1, Pp 61-77 (2019)
This paper presents the quasi-static thermo-mechanical loading effects on the progressive damage mechanisms and failure modes of the single-bolt, single-shear, hybrid metal-composite, bolted joints in aerospace applications. A three-dimensional finit
Externí odkaz:
https://doaj.org/article/122e5dc8d124411f8a019e1bd47d9521
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 10, Iss 4, Pp 21-33 (2018)
The paper deals with the influence of the geometric (joint clearance) and mechanical parameters (bolt preload, axial force applied to the joint) on the stiffness and strength of the single-bolt, single-shear laminated composite joints using epoxy res
Externí odkaz:
https://doaj.org/article/2e16c701269040c5bd270f3d181d2f62
Autor:
Calin-Dumitru COMAN, George PELIN
Publikováno v:
INCAS Bulletin, Vol 10, Iss 3, Pp 75-88 (2018)
three-dimensional finite element model has been developed to study the temperature effects on stiffness in linear-elastic range of the bolted metal-composite joints. In this study a quasi - symmetric lay - up for CFRP / vinyl ester epoxy laminate is
Externí odkaz:
https://doaj.org/article/d1bc57c1038d4d2da05d17b8c8487207
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 10, Iss 2, Pp 185-197 (2018)
A detailed analytical design for hybrid (metal-composite) bolted joints in static and dynamic (random vibrations) analysis is presented in this paper. Due to the fact that a space structure must be lighter and stiffened, the joints design represents
Externí odkaz:
https://doaj.org/article/3d957ca201364d4d9fa0cde679e237ff
Autor:
Calin-Dumitru COMAN
Publikováno v:
INCAS Bulletin, Vol 9, Iss 3, Pp 21-35 (2017)
Two-dimensional and three-dimensional finite element models have been developed to study the effects of bolt-hole clearance on the mechanical behavior of bolted composites (graphite/epoxy) joints in space structures. The type of the studied joint was
Externí odkaz:
https://doaj.org/article/2fd028f6421b4b8184423579272bcb8c