نتایج جستجو برای: gravitational search

تعداد نتایج: 333957  

رشیدی‌نژاد, مسعود, صادقی, هادی , عبدالهی, امیر , محمدیان, محسن ,

In this paper, the effect of incentive-based support schemes on promoting renewable energy resources is investigated in the generation expansion planning (GEP) framework, while the environmental issues are considered. Hence, a comprehensive GEP model incorporated with Feed-in-Tariff (FIT) mechanism is proposed. By considering a restructured environment, gravitational search algorithm (GSA) is e...

Journal: :Physical review letters 2014
J Aasi B P Abbott R Abbott T Abbott M R Abernathy F Acernese K Ackley C Adams T Adams P Addesso R X Adhikari C Affeldt M Agathos N Aggarwal O D Aguiar P Ajith A Alemic B Allen A Allocca D Amariutei M Andersen R A Anderson S B Anderson W G Anderson K Arai M C Araya C Arceneaux J S Areeda S Ast S M Aston P Astone P Aufmuth H Augustus C Aulbert B E Aylott S Babak P T Baker G Ballardin S W Ballmer J C Barayoga M Barbet B C Barish D Barker F Barone B Barr L Barsotti M Barsuglia M A Barton I Bartos R Bassiri A Basti J C Batch J Bauchrowitz Th S Bauer C Baune V Bavigadda B Behnke M Bejger M G Beker C Belczynski A S Bell C Bell G Bergmann D Bersanetti A Bertolini J Betzwieser I A Bilenko G Billingsley J Birch S Biscans M Bitossi C Biwer M A Bizouard E Black J K Blackburn L Blackburn D Blair S Bloemen O Bock T P Bodiya M Boer G Bogaert C Bogan C Bond F Bondu L Bonelli R Bonnand R Bork M Born V Boschi Sukanta Bose L Bosi C Bradaschia P R Brady V B Braginsky M Branchesi J E Brau T Briant D O Bridges A Brillet M Brinkmann V Brisson A F Brooks D A Brown D D Brown F Brückner S Buchman A Buikema T Bulik H J Bulten A Buonanno R Burman D Buskulic C Buy L Cadonati G Cagnoli J Calderón Bustillo E Calloni J B Camp P Campsie K C Cannon B Canuel J Cao C D Capano F Carbognani L Carbone S Caride G Castaldi S Caudill M Cavaglià F Cavalier R Cavalieri C Celerier G Cella C Cepeda E Cesarini R Chakraborty T Chalermsongsak S J Chamberlin S Chao P Charlton E Chassande-Mottin X Chen Y Chen A Chincarini A Chiummo H S Cho M Cho J H Chow N Christensen Q Chu S S Y Chua S Chung G Ciani F Clara D E Clark J A Clark J H Clayton F Cleva E Coccia P-F Cohadon A Colla C Collette M Colombini L Cominsky M Constancio A Conte D Cook T R Corbitt N Cornish A Corsi C A Costa M W Coughlin J-P Coulon S Countryman P Couvares D M Coward M J Cowart D C Coyne R Coyne K Craig J D E Creighton R P Croce S G Crowder A Cumming L Cunningham E Cuoco C Cutler K Dahl T Dal Canton M Damjanic S L Danilishin S D'Antonio K Danzmann V Dattilo H Daveloza M Davier G S Davies E J Daw R Day T Dayanga D DeBra G Debreczeni J Degallaix S Deléglise W Del Pozzo T Denker T Dent H Dereli V Dergachev R De Rosa R T DeRosa R DeSalvo S Dhurandhar M Díaz J Dickson L Di Fiore A Di Lieto I Di Palma A Di Virgilio V Dolique E Dominguez F Donovan K L Dooley S Doravari R Douglas T P Downes M Drago R W P Drever J C Driggers Z Du M Ducrot S Dwyer T Eberle T Edo M Edwards A Effler H-B Eggenstein P Ehrens J Eichholz S S Eikenberry G Endrőczi R Essick T Etzel M Evans T Evans M Factourovich V Fafone S Fairhurst X Fan Q Fang S Farinon B Farr W M Farr M Favata D Fazi H Fehrmann M M Fejer D Feldbaum F Feroz I Ferrante E C Ferreira F Ferrini F Fidecaro L S Finn I Fiori R P Fisher R Flaminio J-D Fournier S Franco S Frasca F Frasconi M Frede Z Frei A Freise R Frey T T Fricke P Fritschel V V Frolov P Fulda M Fyffe J R Gair L Gammaitoni S Gaonkar F Garufi N Gehrels G Gemme B Gendre E Genin A Gennai S Ghosh J A Giaime K D Giardina A Giazotto J Gleason E Goetz R Goetz L Gondan G González N Gordon M L Gorodetsky S Gossan S Goßler R Gouaty C Gräf P B Graff M Granata A Grant S Gras C Gray R J S Greenhalgh A M Gretarsson P Groot H Grote K Grover S Grunewald G M Guidi C J Guido K Gushwa E K Gustafson R Gustafson J Ha E D Hall W Hamilton D Hammer G Hammond M Hanke J Hanks C Hanna M D Hannam J Hanson J Harms G M Harry I W Harry E D Harstad M Hart M T Hartman C-J Haster K Haughian A Heidmann M Heintze H Heitmann P Hello G Hemming M Hendry I S Heng A W Heptonstall M Heurs M Hewitson S Hild D Hoak K A Hodge D Hofman K Holt P Hopkins T Horrom D Hoske D J Hosken J Hough E J Howell Y Hu E Huerta B Hughey S Husa S H Huttner M Huynh T Huynh-Dinh A Idrisy D R Ingram R Inta G Islas T Isogai A Ivanov B R Iyer K Izumi M Jacobson H Jang P Jaranowski Y Ji F Jiménez-Forteza W W Johnson D I Jones R Jones R J G Jonker L Ju K Haris P Kalmus V Kalogera S Kandhasamy G Kang J B Kanner J Karlen M Kasprzack E Katsavounidis W Katzman H Kaufer S Kaufer T Kaur K Kawabe F Kawazoe F Kéfélian G M Keiser D Keitel D B Kelley W Kells D G Keppel A Khalaidovski F Y Khalili E A Khazanov C Kim K Kim N G Kim N Kim S Kim Y-M Kim E J King P J King D L Kinzel J S Kissel S Klimenko J Kline S Koehlenbeck K Kokeyama V Kondrashov S Koranda W Z Korth I Kowalska D B Kozak V Kringel B Krishnan A Królak G Kuehn A Kumar D Nanda Kumar P Kumar R Kumar L Kuo A Kutynia P K Lam M Landry B Lantz S Larson P D Lasky A Lazzarini C Lazzaro P Leaci S Leavey E O Lebigot C H Lee H K Lee H M Lee J Lee P J Lee M Leonardi J R Leong I Leonor A Le Roux N Leroy N Letendre Y Levin B Levine J Lewis T G F Li K Libbrecht A Libson A C Lin T B Littenberg N A Lockerbie V Lockett D Lodhia K Loew J Logue A L Lombardi E Lopez M Lorenzini V Loriette M Lormand G Losurdo J Lough M J Lubinski H Lück A P Lundgren Y Ma E P Macdonald T MacDonald B Machenschalk M MacInnis D M Macleod F Magaña-Sandoval R Magee M Mageswaran C Maglione K Mailand E Majorana I Maksimovic V Malvezzi N Man G M Manca I Mandel V Mandic

We present the results of a search for gravitational waves associated with 223 γ-ray bursts (GRBs) detected by the InterPlanetary Network (IPN) in 2005-2010 during LIGO's fifth and sixth science runs and Virgo's first, second, and third science runs. The IPN satellites provide accurate times of the bursts and sky localizations that vary significantly from degree scale to hundreds of square degr...

2012
W. Del Pozzo

We present the results of a search for gravitational waves associated with 154 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments in 2009-2010, during the sixth LIGO science run and the second and third Virgo science runs. We perform two distinct searches: a modeled search for coalescences of either two neutron stars or a neutron star and black hole; and a searc...

2017
B. P. Abbott R. Abbott T. D. Abbott M. R. Abernathy F. Acernese K. Ackley C. Adams T. Adams P. Addesso R. X. Adhikari V. B. Adya C. Affeldt M. Agathos K. Agatsuma N. Aggarwal O. D. Aguiar L. Aiello A. Ain B. Allen A. Allocca P. A. Altin A. Ananyeva S. B. Anderson W. G. Anderson S. Appert K. Arai M. C. Araya J. S. Areeda N. Arnaud K. G. Arun S. Ascenzi G. Ashton M. Ast S. M. Aston P. Astone P. Aufmuth C. Aulbert A. Avila-Alvarez S. Babak P. Bacon M. K. M. Bader P. T. Baker F. Baldaccini G. Ballardin S. W. Ballmer J. C. Barayoga S. E. Barclay B. C. Barish D. Barker F. Barone B. Barr L. Barsotti M. Barsuglia D. Barta J. Bartlett I. Bartos R. Bassiri A. Basti J. C. Batch C. Baune B. K. Berger G. Bergmann C. P. L. Berry D. Bersanetti A. Bertolini J. Betzwieser S. Bhagwat R. Bhandare M. A. Bizouard J. K. Blackburn J. Blackman C. D. Blair D. G. Blair R. M. Blair F. Bondu R. Bonnand B. A. Boom R. Bork V. Boschi S. Bose Y. Bouffanais A. Bozzi C. Bradaschia P. R. Brady V. B. Braginsky A. F. Brooks D. A. Brown D. D. Brown N. M. Brown S. Brunett C. C. Buchanan A. Buikema T. Bulik H. J. Bulten T. A. Callister E. Calloni J. B. Camp M. Canepa K. C. Cannon H. Cao J. Cao C. D. Capano E. Capocasa F. Carbognani S. Caride J. Casanueva Diaz C. Casentini S. Caudill M. Cavaglià F. Cavalier R. Cavalieri G. Cella C. B. Cepeda L. Cerboni Baiardi G. Cerretani E. Cesarini S. J. Chamberlin M. Chan S. Chao P. Charlton E. Chassande-Mottin B. D. Cheeseboro H. Y. Chen Y. Chen H.-P. Cheng A. Chincarini A. Chiummo T. Chmiel H. S. Cho M. Cho J. H. Chow N. Christensen Q. Chu A. J. K. Chua S. Chua S. Chung G. Ciani F. Clara J. A. Clark F. Cleva C. Cocchieri E. Coccia P.-F. Cohadon A. Colla C. G. Collette S. J. Cooper T. R. Corbitt N. Cornish A. Corsi S. Cortese C. A. Costa M. W. Coughlin S. B. Coughlin J.-P. Coulon S. T. Countryman P. Couvares P. B. Covas E. E. Cowan D. M. Coward M. J. Cowart D. C. Coyne R. Coyne J. D. E. Creighton T. D. Creighton

We present the results from an all-sky search for short-duration gravitational waves in the data of the first run of the Advanced LIGO detectors between September 2015 and January 2016. The search algorithms use minimal assumptions on the signal morphology, so they are sensitive to a wide range of sources emitting gravitational waves. The analyses target transient signals with duration ranging ...

Journal: :iranian journal of astronomy and astrophysics 2014
elham bazyar ali ajabshirizadeh zahra fazel jean-pierre rozelot

virial theorem is important for understanding stellar structures. it produces an interesting connection between magnetic and gravitational energies. using the general form of the virial theorem including the magnetic field (toroidal magnetic field), we may explain the solar dynamo model in relation to variations of the magnetic and gravitational energies. we emphasize the role of the gravitatio...

2014
Nor Azlina Ab. Aziz Zuwairie Ibrahim Sophan Wahyudi Nawawi Shahdan Sudin Marizan Mubin Kamarulzaman Ab. Aziz

Gravitational search algorithm (GSA) is a new member of swarm intelligence algorithms. It stems from Newtonian law of gravity and motion. The performance of synchronous GSA (S-GSA) and asynchronous GSA (A-GSA) is studied here using statistical analysis. The agents in S-GSA are updated synchronously, where the whole population is updated after each member’s performance is evaluated. On the other...

2005

We report the results of the first joint search for gravitational waves by the TAMA and LIGO collaborations. We looked for millisecond-scale unmodelled gravitational-wave bursts in 473hr of coincident data collected during early 2003. No candidate signals were found. We set an upper limit of 0.12 events per day on the rate of gravitational-wave transients, at 90% confidence level. Using simulat...

Cities are growing and encountering many changes over time due to population growth and migration. Identification and detection of these changes play important roles in urban management and sustainable development. Urban growth models are divided into two main categories: first cellular models which are further divided into experimental, dynamic, and integrated models and second vector models. ...

The speed profile of the train will be determined according to criteria such as safety, travel convenience, and the type of electric motor used for traction. Due to the passengers and cargo on the train, the electric train load is constantly changing. This will require reassigning the speed controller’s parameters of the electric train. For this purpose, the Gravitational Search optimization Al...

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