Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Ji Yao Shen"'
Publikováno v:
International Journal of Modelling and Simulation. 17:191-199
The problem of including flexibility of large manipulator system has not been satisfactorily resolved at this time for simulation and design. To simplify the analytical procedure to some realistic extent, this paper conceives a new mathematical treat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3546009ee5ee8ad607509c9547f3d348
https://doi.org/10.1080/02286203.1997.11760330
https://doi.org/10.1080/02286203.1997.11760330
Publikováno v:
Mechanics Research Communications. 22:67-78
The common approach currently used in the aircraft structural analysis is the finite element method. NASA's research in computational structures technology (CST) is helping to develop the finite element analysis to a new stage, although the significa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2e1935e7da52da1c6a00a1f6a2ab9ad
https://doi.org/10.1016/0093-6413(94)00043-d
https://doi.org/10.1016/0093-6413(94)00043-d
Publikováno v:
Journal of Aerospace Engineering. 7:435-445
Distributed parameter modeling may offer a viable alternative to the finite‐element approach for modeling large flexible space structures. In addition, the introduction of the transfer matrix method to the continuum modeling process provides a very
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e00e4d167158bee63bd80a12e591ca5
https://doi.org/10.1061/(asce)0893-1321(1994)7:4(435)
https://doi.org/10.1061/(asce)0893-1321(1994)7:4(435)
Publikováno v:
Mechanics Research Communications. 20:507-518
In structural modal analysis and modal testing, an important but difficult task is to match the identified natural frequencies and the corresponding modal deflections. This process is called the modal recognition in this paper. There were some treatm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c72ecbea7c5d0cb85f52359e12d597f
https://doi.org/10.1016/0093-6413(93)90011-c
https://doi.org/10.1016/0093-6413(93)90011-c
Publikováno v:
Journal of Vibration and Acoustics. 115:19-24
In this paper a distributed parameter model for the estimation of modal characteristics of NASA Mini-Mast truss is proposed. A closed-form solution of the Timoshenko beam equation, for a uniform cantilevered beam with two concentrated masses, is deri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da04bb95d3549d9fa41a8f8cce58de07
https://doi.org/10.1115/1.2930308
https://doi.org/10.1115/1.2930308
Weight Reduction Through Optimal Arrangement of Force-Carrying Components Within Wing Box Structures
Autor:
Ji Yao Shen, Frederick Ferguson
Publikováno v:
10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference.
Weight is always playing a dominant role in aircraft design, because it affects the aircraft performance significantly. In general, more weight means more drag, which dictated an engine with more power, which meant even more weight. The structural we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c9a25ccfbc7930ce406a322ba41a632
https://doi.org/10.2514/6.2004-4495
https://doi.org/10.2514/6.2004-4495
Publikováno v:
SPIE Proceedings.
Non-destructive damage detection is an important issue in almost all structural areas ranging from aerospace/aeronautical structures, civil infrastructures, and structural materials. The use of vibrational-based nondestructive evaluation techniques t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8762a2d5e9a0a07255c418f8760ac93
https://doi.org/10.1117/12.305042
https://doi.org/10.1117/12.305042
Autor:
Lonnie Sharpe, Ji Yao Shen
Publikováno v:
SPIE Proceedings.
A finite element model for aeroelasticity analysis of hypersonic panels, using a 9 degree-of-freedom discrete Kirchhoff Theory triangular element along with a 6 d.o.f inplane membrane element, had been developed in authors' previous work, and this mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad2b820fb15727d19ab46f90a33e8605
https://doi.org/10.1117/12.276550
https://doi.org/10.1117/12.276550
Publikováno v:
Smart Structures and Materials 1994: Mathematics and Control in Smart Structures.
This paper models a two-arm flexible manipulating system by a set of generic partial differential equations, from which the transfer matrices for the flexible arms and revolute joints have been constructed. Based upon the compatibility conditions at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d2c95c47181874182ef5ea685a122b6
https://doi.org/10.1117/12.174240
https://doi.org/10.1117/12.174240
Publikováno v:
SPIE Proceedings.
Most methods of system identification of large flexible structures by far are based on the lumped parameter approach. Because of the considerable computational burden due to the large number of unknown parameters, distributed parameter approach, whic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb6655cdf49d3f9a0409e1859e6e3e1f
https://doi.org/10.1117/12.46605
https://doi.org/10.1117/12.46605