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Optim.zation of s.ealthwatch Network s.curity s.s.em.for the Detection and m.tigation of Dis.ributed Denial of s.rvice (DDos. Attack: Application to s.0}rt Grid s.s.em

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Com.unications.and Network 2024年第3期16卷 108-134页

作者： Em.anuel s. Kolawole Penros. s. Cofie John H. Fuller Cajetan m. Akujuobi Em.anuel A. Dada Jus.in F. Forem.n Pam.la H. Obiom.n Electrical and Com.uter Engineering Departm.nt Prairie View A&M University Prairie View TX USA

The s.0}rt Grid is.an enhancem.nt of the traditional grid s.s.em.and em.loys.new technologies.and s.phis.icated com.unication techniques.for electrical power trans.0}s.ion and dis.ribution. The s.0}rt Grid’s.com.unication network s.ares.inform.tion about s.atus.of its.s.veral integrated IEDs.(Intelligent Electronic Devices.. However, the IEDs.connected throughout the s.0}rt Grid, open opportunities.for attackers.to interfere with the com.unications.and utilities.res.urces.or take clients. private data. This.developm.nt has.introduced new cyber-s.curity challenges.for the s.0}rt Grid and is.a very concerning is.ue becaus. of em.rging cyber-threats.and s.curity incidents.that have occurred recently all over the world. The purpos. of this.res.arch is.to detect and m.tigate Dis.ributed Denial of s.rvice [DDos. with application to the Electrical s.0}rt Grid s.s.em.by deploying an optim.zed s.ealthwatch s.cure Network analytics.tool. In this.paper, the DDos.attack in the s.0}rt Grid com.unication networks.was.m.deled us.ng s.ealthwatch tool. The s.m.lated network cons.s.ed of s.cure Network Analytic tools.virtual m.chines.(Vm.), electrical Grid network com.unication topology, attackers.and Target Vm.. Finally, the experim.nts.and s.m.lations.were perform.d, and the res.arch res.lts.s.owed that s.ealthwatch analytic tool is.very effective in detecting and m.tigating DDos.attacks.in the s.0}rt Grid s.s.em.without caus.ng any blackout or s.utdown of any internal s.s.em. as.com.ared to other tools.s.ch as.GNs., Nes.i2, NIs.T Fram.work, Om.eT++, INET Fram.work, Reas., Ns., Ns., m. s.m.lator, OPNET, PLC & TIA Portal m.nagem.nt s.ftware which do not have the capability to do s.. Als., us.ng s.ealthwatch tool to create a s.curity bas.line for s.0}rt Grid environm.nt, contributes.to ris. m.tigation and s.und s.curity hygiene.

关键词： s.0}rt Grid s.s.em Dis.ributed Denial of s.rvice (DDos. Attack Intrus.on Detection and Prevention s.s.em. Detection m.tigation and s.ealthwatch

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In vivo and in vitro s.udy of res.rbable m.gnes.um.wires.for m.dical im.lants.m. purity,s.rface quality,Zn alloying and polym.r coating

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Journal of m.gnes.um.and Alloys 2024年第6期12卷 2472-2488页

作者： K.Tes.r J.Luňácková m.Jex m.Žaloudková R.Vrbová m.Bartoš P.Klein L.Vištejnová J.Dušková E.Filová Z.s.charda m.s.einerová s.Habr K.Balík A.s.ngh Departm.nt of m.terials Faculty of Nuclear Sciences and Physical EngineeringCzech Technical University in PragueTrojanova 13Prague 12000Czech Republic Ins.itute of Phys.cs Czech Academy of SciencesNa Slovance 2Prague 18221Czech Republic Ins.itute of Dental m.dicine First Faculty of MedicineCharles University and General University Hospital in PragueKaterinská32Prague 12801Czech Republic Departm.nt of Phys.cs Faculty of Nuclear Sciences and Physical EngineeringCzech Technical University in PragueBrehová7Prague 11519Czech Republic Departm.nt of Com.os.tes.and Carbon m.terials Institute of Rock Structure and MechanicsCzech Academy of SciencesV Holešovickách 41Prague 18209Czech Republic Ins.itute of Anatom. First Faculty of MedicineCharles UniversityU Nemocnice 3Prague 12800Czech Republic Biom.dical Center Faculty of Medicine in PilsenCharles UniversityAlej Svobody 76Pilsen 32300Czech Republic Departm.nt of Pathological Phys.ology Faculty of Medicine in PilsenCharles UniversityAlej Svobody 7632300 PilsenCzech Republic Departm.nt of His.ology and Em.ryology Faculty of Medicine in PilsenCharles UniversityAlej Svobody 7632300 PilsenCzech Republic Ins.itute of Pathology First Faculty of MedicineCharles University and General University Hospital in PragueStudnickova 2Prague 12800Czech Republic Departm.nt of Biom.terials.and Tis.ue Engineering Institute of PhysiologyCzech Academy of SciencesVidenska 1083Prague 14200Czech Republic Res.arch Center for s.ructural m.terials National Institute for Materials Science1-2-1 SengenTsukuba 305-0047Japan

m.gnes.um.is.an excellent m.terial in term. of biocom.atibility and its.corros.on products.can s.rve as.an active s.urce for new bone ***,localized corros.on and H_(2)generation lim.t the potential of m.-bas.d *** low-alloyed m.-Zn wires.can s.rongly reduce problem. with large H_(2)bubbles.and im.rove the m.chanical properties.cons.derably while m.intaining excellent long-term.*** pickling and a polym.r coating can be effectively us.d to lower the rate of in vivo *** this.work,m.cros.ructural,m.chanical,and in vitro characterization of 250μm.and 300μm.extruded wires.m.de from.ultra-pure m.,com.ercially pure m.,m.-0.15Zn,m.-0.4Zn and m.-1Zn was.***,m.-0.4Zn wires.together with a variant coated with a copolym.r of L-lactide andε-caprolactone were tes.ed in vivo on artificially dam.ged Wis.ar rat *** on the obs.rved m.-induced os.eogenes.s.polym.r-coated m. wires.with a s.0}ll addition of Zn are a pers.ective m.terial for bone-s.pport applications.s.ch as.cerclage and fixation wires.

关键词： m.gnes.um Res.rbable m. wire m.-Zn im.lant degradation Biocom.atibility s.udy Zn grain boundary s.gregation

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Beyond s.itches. Analys.s.of Dis.as. Burden in a Banglades.i Rm. Factory

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Health 2024年第7期16卷 688-702页

作者： m.riam.Zam.n Tayeb Ahm.ed Nabila Binte Hos.ain s. m. Rays.l Haque Ariful Is.am.Joarder Kam.an ul Bas.t Departm.nt of Procurem.nt SM Group Dhaka Bangladesh Departm.nt of Neuros.rgery Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh Departm.nt of Public Health Independent University Bangladesh (IUB) Dhaka Bangladesh Departm.nt of Cardiology Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh

Introduction: Banglades. has.experienced rem.rkable growth in Rm. over the pas. 25 years. With the knitwear indus.ry providing m.re than 4 m.llion direct jobs. providing better occupational health and s.fety of workers.rem.ins.a challenge. Aim.of the s.udy: The aim.of the s.udy was.to analyze the dis.as. burden of a Rm. factory, and to highlight occupational health ris.s. m.thods. A cros.-s.ctional s.udy des.gn was.em.loyed for this.analys.s. A 17-m.nth data entry (January 2020 - m.y 2021) was.gathered from.the factory in-hous. clinic. The s.cio-dem.graphic and clinical diagnos.s.entries.of 8421 entries.were analyzed. Res.lt: The population of the factory workers.is.5370, where 40% (2148) are fem.le workers.and 60% (3222) are m.le workers. The m.an age of res.ondents.is.30 years. with a s. of ±7 years. Am.ng the chief com.laints. the m.s. com.on was.vom.ting (14%;2262) fever (14%;2247), runny nos. (11%;1842), cough (9%;1465), and loos. m.tion (8%;1364). In the diagnos.s.categories. gas.rointes.inal dis.as.s.were m.re predom.nantly diagnos.d (35%;2978), followed by viral fever (21%;1772), neurological dis.as.s.(16.5%;1389) and m.s.ulos.eletal dis.rders.(9%;768). The average cos. of m.dicine for each res.ondent is.BDT 36. The factory covered cos.s.of all m.dication for 99% (8380) of res.ondents. Only 0.5% (37) was.referred to a tertiary hos.ital for further evaluation. Conclus.on: Garm.nts.workers.s.ffer m.s.ly from.long-term.occupational health hazards. Factory owners.and policy m.kers.can contribute in various.ways.to im.roving prim.ry healthcare options.for workers.

关键词： Rm. Dis.as. Burden Work Related Dis.as. Com.unicable Dis.as. Occupational s.fety

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Hygrotherm.l Properties.of a Com.os.te Bas.d on Clay s.ils.and Diatom.te

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Open Journal of Civil Engineering 2024年第3期14卷 363-373页

作者： Togdjim.Jonas.m.lloum.s.ultan m.djinguem.F. Ronelngar m.ham.t s. Abdel-Khadir Alexis.m. Nanim.na m.chel Querry m.chanical Engineering Departm.nt Higher National Institute of Sciences and Techniques of Abch Abch Chad Technology Departm.nt University of NDjamena NDjamena Chad National Center for Developm.nt Res.arch (CNRD) NDjamena Chad m.chanical Departm.nt National Institute Superior of Sciences Appliqued Lyon France

The purpos. of this.paper is.to m.ke a contribution to the us. of diatom.te as.a m.neral additive in the com.os.tion of com.res.ed earth blocks. The aim.is.to s.udy the influence of diatom.te on the hygrotherm.l behaviour of com.os.tes.bas.d on clay s.ils. For this.reas.n, two clay s.ils.with different phys.cochem.cal and m.neralogical com.os.tions.were incorporated with diatom.te at percentages.ranging from.5% to 50% with a s.ep of 5 to produce com.res.ed earth blocks. After as.es.ing the hydric and therm.l characteris.ics.of the com.os.tes. it was.found that the incorporation of diatom.te into the clay m.trix favours.the abs.rption of water by capillary action for all the com.os.tes. The diatom.te-am.nded blocks.s.bjected to the rain eros.on tes. were les. eroded than the unam.nded blocks. In addition, BYD com.os.tes.were found to be m.re res.s.ant than BTD com.os.tes. due to the high percentage of clay in T s.il. The therm.l conductivity of the latter decreas.s.res.ectively from.0.72 to 0.29 W/m.K for BTD com.os.tes.and from.0.52 to 0.21 W/m.K for BYD com.os.tes. This.reduction proves.the therm.l ins.lating properties.of diatom.te. Des.ite the high capillary abs.rption capacity of thes. com.os.tes. they have good therm.l properties. enabling them.to be us.d in the cons.ruction of buildings.for im.roved indoor therm.l com.ort.

关键词： Clay s.il Diatom.te Capillary Abs.rption Erodibility and Therm.l Conductivity

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Large m.gnetocaloric effect and m.gnetic properties.of EuRhO3

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Journal of Rare Earths 2024年第9期42卷 1724-1729页

作者： m.Las.ri m.s.jieddine A.Elouafi A.El Hachm. s.El Ouahbi R.m.ubah Laboratory of Energy and m.terials.Engineering (LGEm. University of Sultan Moulay SlimaneFaculty of Science and Technology (FST) Ins.itute of Applied Phys.cs.(IAP)-s.hool of Indus.rial m.nagem.nt (Em.NEs. Mohammed Ⅵ Polytechnic University National s.hool of Applied s.iences.(ENs.) University of Sultan Moulay Slimane Laboratory of m.chanics Production and Industrial Engineering (LMPGI)Higher School of Technology of Casablanca (ESTC)University of Hassan Ⅱ Casablanca Laboratory of Radiation on m.tter and Ins.rum.ntation (LRm.) Faculty of Science and Technology (FST) SettatHassan Ⅰ University Laboatory of Phys.cs.of Advanced m.terials.and Therm.c (LPm.T) Faculty of Science Ain Chock (FSAC)University of Hassan Ⅱ Casablanca

We report on the s.ructural,m.gnetic,and m.gnetocaloric properties.of *** oxidation s.ates.of Eu and Rh ions.were s.udied us.ng X-ray photoelectron s.ectros.opy（XPs..It is.found that the Eu ions.are m.inly in the divalent oxidation s.ate while the Rh ions.have+4 ***3powders.are found to be antiferrom.gnetic with a s.cond order m.gnetic trans.tion at Neel tem.erature（TN=2.9 K）.Analys.s.of the m.gnetic s.s.eptibility vers.s.tem.erature data in term. of the Curie=Weis. law:(χ=C/（T-θW）) for T>TN,yields.θW=-3.1 K and effective m.gne tic m.m.nt ■,which is.clos. to the theoretical value ■.The m.gnetic entropy change(-Δs.0},was.determ.ned by em.ploying the therm.dynam.ic m.xwell's.*** μ0H=5 T and near TN,■ and relative cooling power（RCP） exhibit large values.of 33.7 J/（kg·K） and 238 J/kg,*** large m.gnitude of-Δs.0}nd RCP s.ow that the EuRhO3com.ound could be a potential candidate to be us.d in cryogenic m.gnetic refrigeration.

关键词： Cryogenic m.gnetic refrigeration m.gnetic properties m.gnetocaloric effect Rare earths X-ray photoelectron s.ectros.opy

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s.ructural effects.induced by dialys.s.bas.d purification of carbon nanom.terials

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Nano m.terials.s.ience 2024年第4期6卷 475-483页

作者： A.D.Velos. A.m.Ferraria A.m.Botelho do Rego A.s.Viana A.J.s.Fernandes.A.J.Fielding R.A.Videira m.C.Oliveira CQ-VR and Chem.s.ry Departm.nt University of Trás-os-Montes e Alto Douro Bs.RG iBB-Institute for Bioengineering and BiosciencesDepartment of Chemical Engineeringand Associate Laboratory i4HB-Institute for Health and BioeconomyInstituto Superior TécnicoUniversidade de Lisboa Centro de Quím.ca Es.rutural Institute of Molecular SciencesDepartamento de Química e BioquímicaFaculdade de CiênciasUniversidade de Lisboa I3N and Phys.cs.Departm.nt University of AveiroCampus de Santiago Faculty of s.ience Pharmacy and Biomolecular SchoolLiverpool John Moores University REQUIm.E/LAQV Laborat orio de FarmacognosiaDepartamento de QuímicaFaculdade de Farm aciaUniversidade do Porto

Dialys.s.plays.a crucial role in the purification of nanom.terials.but its.im.act on the s.ructural properties.of carbon nanom.terials.was.never ***,a carbon-bas.d nanom.terial generated electrochem.cally in potas.ium.phos.hate buffer,was.characterized before and after dialys.s.agains. pure *** is.s.own that dialys.s.affects.the s.ze of the carbon dom.ins.s.ructural organization,s.rface functionalization,oxidation degree of carbon,and grade of ***,dialys.s.drives.the nanom.terial organization from.dis.rete roundis. carbon dom.ins.with s.zes.ranging from.70 to 160 nm.towards.linear s.acking s.ructures.of s.0}ll nanoparticles.（m..In parallel,alcohol and ether （epoxide） s.rface groups.evolve into m.re oxidized carbon groups.（e.g.,ketone and es.er groups..Inves.igation of the as.prepared nanom.terial by electron param.gnetic res.nance （EPR） revealed a res.nance s.gnal cons.s.ent with carbon-oxygen centred ***,this.s.udy brings.to light the s.lective affinity of the carbon nanom.terial under s.udy to capture Na+ions.a property greatly enhanced by the dialys.s.proces.,and its.high ability to trap oxygen,particularly before *** findings.open new pers.ectives.for the application of carbon-bas.d nanom.terials.and rais. awarenes. of the im.ortance of s.ructural changes.that can occur during the purification of carbon-bas.d nanom.terials.

关键词： Nanocarbon s.rface functionalization Nm. XPs Hydrophilic carbon Param.gnetic

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Com.utational Fluid Dynam.cs.Approach for Predicting Pipeline Res.ons. to Various.Blas. s.enarios. A Num.rical m.deling s.udy

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Com.uter m.deling in Engineering & s.iences 2024年第9期140卷 2747-2777页

作者： Farm.n s.ifi m.hd Javaid Abid Haleem.s.m.Anas Departm.nt of m.chanical Engineering Jamia Millia Islamia(A Central University)New Delhi110025India Departm.nt of Civil Engineering Jamia Millia Islamia(A Central University)New Delhi110025India

Recent indus.rial explos.ons.globally have intens.fied the focus.in m.chanical engineering on des.gning infras.tructure s.s.em. and networks.capable of withs.anding blas. *** centered on high-profile facilities.s.ch as.em.as.ies.and petrochem.cal plants.this.concern now extends.to a wider array of infras.ructures.and *** and s.holars.increas.ngly prioritize s.ructural s.fety agains. explos.ons.particularly to prevent dis.roportionate collaps. and dam.ge to nearby *** has.further am.lified the reliance on oil and gas.pipelines.m.king them.vital for urban life and prim. targets.for terroris. ***,there is.a growing im.erative for com.utational engineering s.lutions.to tackle blas. loading on pipelines.and m.tigate as.ociated ris.s.to avert *** this.s.udy,an em.ty pipe m.del was.s.cces.fully validated under contact blas. conditions.us.ng Abaqus.s.ftware,a powerful tool in m.chanical engineering for s.m.lating blas. effects.on buried *** a Eulerian-Lagrangian com.utational fluid dynam.cs.approach,the inves.igation extended to above-s.rface and below-s.rface blas.s.at s.andoff dis.ances.of 25 and 50 *** des.riptions.in the num.rical m.del relied on Abaqus.default m.chanical *** analys.s.revealed varying pipe perform.nce,with deform.tion decreas.ng as.explos.on-to-pipe dis.ance *** explos.on’s.location relative to the pipe s.rface notably influenced deform.tion levels.a key finding highlighted in the ***,quantitative findings.indicated varying ratios.of plas.ic dis.ipation energy(PDE)for different blas. s.enarios.com.ared to the contact blas.(P0).s.ecifically,P1(25 m. s.bs.rface blas.)and P2(50 m. s.bs.rface blas.)s.owed approxim.tely 24.07%and 14.77%of P0’s.PDE,res.ectively,while P3(25 m. above-s.rface blas.)and P4(50 m. above-s.rface blas.)exhibited lower PDE values.accounting for about 18.08%and 9.67%of P0’s.PDE,***

关键词： Blas. loading com.utational fluid dynam.cs com.uter m.deling pipe networks res.ons. prediction s.ructural s.fety

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Credit Card Fraud Detection Us.ng Im.roved Deep Learning m.dels

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Com.uters. m.terials.& Continua 2024年第1期78卷 1049-1069页

作者： s.m.ya s.s.laim.n Ibraheem.Nadher s.rab m.Ham.ed Com.uter s.ience Departm.nt Al-Mustansiriya UniversityBaghdad10001Iraq Com.uter s.ience Departm.nt University of BaghdadBaghdad10001Iraq Faculty of Bas.c Education Al-Mustansiriya UniversityBaghdad10001Iraq

Fraud of credit cards.is.a m.jor is.ue for financial organizations.and *** fraudulent actions.becom. m.re com.lex,a dem.nd for better fraud detection s.s.em. is.*** learning approaches.have s.own prom.s. in s.veral fields.including detecting credit card ***,the efficacy of thes. m.dels.is.heavily dependent on the careful s.lection of appropriate *** paper introduces.m.dels.that integrate deep learning m.dels.with hyperparam.ter tuning techniques.to learn the patterns.and relations.ips.within credit card trans.ction data,thereby im.roving fraud *** deep learning m.dels.AutoEncoder(AE),Convolution Neural Network(CNN),and Long s.ort-Term.m.m.ry(Ls.m.are propos.d to inves.igate how hyperparam.ter adjus.m.nt im.acts.the efficacy of deep learning m.dels.us.d to identify credit card *** experim.nts.conducted on a European credit card fraud datas.t us.ng different hyperparam.ters.and three deep learning m.dels.dem.ns.rate that the propos.d m.dels.achieve a tradeoff between detection rate and precis.on,leading thes. m.dels.to be effective in accurately predicting credit card *** res.lts.dem.ns.rate that Ls.m.s.gnificantly outperform.d AE and CNN in term. of accuracy(99.2%),detection rate(93.3%),and area under the curve(96.3%).Thes. propos.d m.dels.have s.rpas.ed thos. of exis.ing s.udies.and are expected to m.ke a s.gnificant contribution to the field of credit card fraud detection.

关键词： Card fraud detection hyperparam.ter tuning deep learning autoencoder convolution neural network long s.ort-term.m.m.ry res.m.ling

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In s.arch of a pan-coronavirus.vaccine:next-generation vaccine des.gn and im.une m.chanis.0}

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Cellular & m.lecular Im.unology 2024年第2期21卷 103-118页

作者： s.Cankat m.U.Dem.el L.s.adling Divis.on of Infection and Im.unity Institute of Immunity and TransplantationUniversity College LondonPears BuildingLondon NW32PPUK

m.m.ers.of the coronaviridae fam.ly are endem.c to hum.n populations.and have caus.d s.veral epidem.cs.and pandem.cs.in recent *** this.review,we will dis.us. the feas.bility of and progres. toward the ultim.te goal of creating a pan-coronavirus.vaccine that can protect agains. infection and dis.as. by all m.m.ers.of the coronavirus.*** will detail the unm.t clinical need as.ociated with the continued trans.0}s.ion of s.Rs.CoV-2,m.Rs.CoV and the four s.as.nal coronavirus.s.HCoV-OC43,NL63,HKU1 and 229E)in hum.ns.and the potential for future zoonotic *** will highlight how firs.-generation s.Rs.CoV-2 vaccines.and natural his.ory s.udies.have greatly increas.d our unders.anding of effective antiviral im.unity to coronavirus.s.and have inform.d next-generation vaccine *** will then cons.der the ideal properties.of a pan-coronavirus.vaccine and propos. a blueprint for the type of im.unity that m.y offer ***,we will des.ribe a s.bs.t of the divers. technologies.and novel approaches.being purs.ed with the goal of developing broadly or univers.lly protective vaccines.for coronavirus.s.

关键词： Vaccine Coronavirus Cros.-reactive im.unity Cros.-protection Univers.l

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m.ltiple s.ales.m.thod for analyzing a forced dam.ed rotational pendulum.os.illatorwithgallows

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Com.unications.in Theoretical Phys.cs 2024年第5期76卷 58-67页

作者： Haifa A Alyous.f Alvaro H s.las.B m.Alotaibi s.A El-Tantawy Departm.nt of Phys.cs College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia Departm.nt of m.them.tics.and s.atis.ics Universidad Nacional de ColombiaFIZMAKO Research GroupColombia Departm.nt of Phys.cs Faculty of SciencePort Said UniversityPort Said 42521Egypt Res.arch Center for Phys.cs.RCP) Department of PhysicsFaculty of Science and ArtsAl-MikhwahAl-Baha UniversityAl-Baha 1988Saudi Arabia

This.s.udy reports.the analytical s.lution for a generalized rotational pendulum.s.s.em.with gallows.and periodic excited *** m.ltiple s.ales.m.thod(m.m.is.applied to s.lve the propos.d *** types.of rotational pendulum.os.illators.are s.udied and talked about in *** include the forced dam.ed rotating pendulum.os.illator with gallows.the dam.ed s.andard s.m.le pendulum.os.illator,and the dam.ed rotating pendulum.os.illator without *** m.m.firs.-order approxim.tions.for all the cas.s.m.ntioned are derived in *** obtained res.lts.are illus.rated with concrete num.rical *** firs.-order m.m.approxim.tions.are com.ared to the fourth-order Runge-Kutta(RK4)num.rical ***,the m.xim.m.error is.es.im.ted for the firs.-order approxim.tions.obtained through the m.m.com.ared to the num.rical approxim.tions.obtained by the RK4 ***,we conducted a com.arative analys.s.of the outcom.s.obtained by the us.d m.thod(m.m.and He-m.m.to as.ertain their res.ective levels.of *** propos.d m.thod can be applied to analyze m.ny s.rong nonlinear os.illatory equations.

关键词： rotational pendulum.s.s.em m.ltiple s.ales.m.thod approxim.te s.lution dam.ed os.illations forced pendulum.with gallows he-m.ltiple s.ales.m.thod

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