Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Daniela BARAN"'
Extending structural optimization capabilities of FEA softs according to machine learning principles
Autor:
Mircea BOCIOAGA, Cristian MOISEI, Octavian NISTOR, Ciprian BACRIA, Denise NITESCU, Daniela BARAN
Publikováno v:
INCAS Bulletin, Vol 16, Iss 2, Pp 35-45 (2024)
The purpose of this paper is to extend structural optimization capabilities of some FEA softs (NASTRAN/PATRAN, MARC-MENTAT) by coupling them with MATLAB codes in order to develop light weight design based on machine learning principles. We apply thes
Externí odkaz:
https://doaj.org/article/702b5482ff534a639093b556ac84eae4
Autor:
Daniela BARAN, Mihaela PETRE
Publikováno v:
INCAS Bulletin, Vol 13, Iss 4, Pp 197-204 (2021)
The purpose of this paper is to present a practical way to introduce distributed loads on the walls of a tank in order to perform a FEM analysis using PATRAN/NASTRAN programs. The problem is generated mainly by the fact that there are gravitational a
Externí odkaz:
https://doaj.org/article/81501b07652d47dfa4e59e004bb6c898
Publikováno v:
INCAS Bulletin, Vol 13, Iss 2, Pp 3-9 (2021)
The main purpose of this paper is to develop some numerical experiences based on mechanical tests performed on a hybrid composite metal aeronautical structure using finite element commercial codes (here NASTRAN). The results of the numerical simulati
Externí odkaz:
https://doaj.org/article/8e4a0119354f4276b3667b379ec23de5
Publikováno v:
INCAS Bulletin, Vol 10, Iss 3, Pp 187-197 (2018)
The landing gear of an aircraft is an important part of the aircraft structure. The landing and the taking off are most critical parts of a flight mission. The main goal of this paper is to provide a methodology for designing and sizing the landing g
Externí odkaz:
https://doaj.org/article/552b3950b20f447d86b0be128643055c
Publikováno v:
INCAS Bulletin, Vol 9, Iss 1, Pp 77-83 (2017)
Vertical takeoff, vertical landing (VTVL) is a subject of international interest at the moment thanks to the successful recovery of the Blue Origin vehicle. Aggressive weight targets with a short development time in the aerospace and space industry c
Externí odkaz:
https://doaj.org/article/106916d9ed23477391c5e3bf7c8d5ea9
Publikováno v:
INCAS Bulletin, Vol 8, Iss 4, Pp 105-114 (2016)
The paper presents the development of numerical experiences using finite element commercial codes, based on experimental mechanical tests performed on ablative composite materials. The studied ablative materials were obtained using liquid phenolic re
Externí odkaz:
https://doaj.org/article/4010cb563ad149d0b37a5a676e92643d
Autor:
Nicolae APOSTOLESCU, Daniela BARAN
Publikováno v:
INCAS Bulletin, Vol 8, Iss 1, Pp 13-21 (2016)
The main goal of this paper is to present the implementation of the Sammon algorithm developed for finding N points in a lower m-dimensional subspace, where the original points are from a high n-dimensional space. This mapping is done so interpoints
Externí odkaz:
https://doaj.org/article/da83aa5ff77a4c63a607c530a1abd195
Publikováno v:
INCAS Bulletin, Vol 7, Iss 1, Pp 13-28 (2015)
The main purpose of this paper is to develop some numerical experiences based on mechanical tests performed on MWCNT (Multi-wall carbon nanotubes) composites created in our Material compartment using finite element commercial codes (here NASTRAN). Th
Externí odkaz:
https://doaj.org/article/ba404c2693fb4009947f44e25c333b0e
Autor:
Nicolae APOSTOLESCU, Daniela BARAN
Publikováno v:
INCAS Bulletin, Vol 6, Iss 3, Pp 3-11 (2014)
The main goal of this paper is to present the implementation of an algorithm developed to calculate the Hurst exponent (H), applied here to characterize the pixel spectrum from hyperspectral image. Because a hyperspectral reflectance curve from each
Externí odkaz:
https://doaj.org/article/a052b2ad13544bbdb4c776d164292ac4
Publikováno v:
INCAS Bulletin, Vol 6, Iss 1, Pp 57-72 (2014)
The paper presents some methods of on-ground and in-flight calibration for strain gauges, intended to the development of complex programs which analyze the endurance phenomena for aerospace structures, with direct application to the IAR-99 Hawk. The
Externí odkaz:
https://doaj.org/article/00d5467d014d4234965272f88ad6f2d2