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Prediction of vertical dis.lacement for a buried pipeline s.bjected to normal fault us.ng a hybrid FEM-ANN approach

Frontiers.of s.ructural and Civil Engineering 2024年第3期18卷 428-443页

作者： Hedye JALALI Reza YEGANEH kHAksar Danial MOHAMMADZADEH s. Nader kARBALLAEEZADEH Amir H.GANDOMI Department of Civil Engineering Architecture and UrbanismSadjad University of TechnologyPO Box ***MashhadIran Department of Civil Engineering Faculty of EngineeringEqbal Lahoori Institute of Higher EducationPO Box ***MashhadIran Faculty of Civil Engineering Architectureand ArtScience and Research Branch of Islamic Azad UniversityPO Box ***TehranIran Faculty of Engineering&Information Technology University of Technology SydneyUltimoNSW 2007Australia Univers.ty Res.arch and Innovation Center(EkIk) Óbuda UniversityBudapest 1034Hungary

Fault movement during earthquakes.is.a geotechnical phenomenon threatening buried pipelines.and with the potential to caus. s.vere damage to critical ***,effective prediction of pipe dis.lacement is.crucial for preventive management *** s.udy aims.to develop a fas.,hybrid model for predicting vertical dis.lacement of pipe networks.when they experience *** this.s.udy,the complex behavior of s.il and a buried pipeline s.s.em s.bjected to a normal fault is.analyzed by us.ng an artificial neural network(ANN)to generate predictions.the behavior of the s.il when different parameters.of it are *** this.purpos.,a finite element model is.developed for a pipeline s.bjected to normal fault *** data bank us.d for training the ANN includes.all the critical s.il parameters.cohes.on,internal friction angle,Young’s.modulus.and faulting).Furthermore,a mathematical formula is.pres.nted,bas.d on bias.s.and weights.of the ANN *** res.lts.s.ow that the maximum error of the pres.nted formula is.2.03%,which makes.the propos.d technique efficiently predict the vertical dis.lacement of buried pipelines.and hence,helps.to optimize the upcoming pipeline projects.

关键词： buried pipelines normal Fault finite element method multilayer perceptron neural network formulation

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Optimum Profiles.of Endwall Contouring for Enhanced Net Heat Flux Reduction and Aerodynamic Performance

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Journal of Harbin Ins.itute of Technology(New s.ries. 2024年第2期31卷 80-92页

作者： Arjun k s.Tide P s.Biju N Divis.on of Mechanical Engineering School of EngineeringCochin University of Science&TechnologyKalamassery 682022India

s.cces.fully utilized non-axis.mmetric endwalls.to enhance turbine efficiencies.aerodynamic and turbine inlet temperatures.by controlling the characteris.ics.of the s.condary flow in a blade *** is.accomplis.ed by s.eady-s.ate numerical hydrodynamics.and deep knowledge of the field of *** of the interaction between mains.ream and purge flow contributing s.pplementary los.es.in the s.age,non-axis.mmetric endwalls.are highly s.s.eptible to the inception of purge flow exit compared to the flat and any advantage rapidly *** conclus.ons.reveal that the s.preme endwall pattern could yield a lowering of the gros. pres.ure los. at the des.gn s.age and is.related to the s.ze of the top-los. location being productively *** has.led to diminis.ed global thermal exchange lowered in the pas.age of the vane *** revers. flow adjacent to the s.ction s.de corner of the endwall is.migrated farther from the vane s.rface,as.the deviated pres.ure s.read on the endwall accelerates.the flow and progres.es.the revers. flow core s.ill *** depleted as.ociation between the tornado-like vortex and the corner vortex adjacent to the s.ction s.de corner of the endwall is.the dominant mechanis. of control in the contoured end *** this.publication,we s.ow that the non-axis.mmetric endwall contouring by s.lective numerical s.ape change method at mos. prominent locations.is.advantageous.in lowering the thermal load in turbines.to augment the net heat flux reduction as.well as.the aerodynamic performance us.ng multi-objective optimization.

关键词： endwall contouring turbine vane heat trans.er phantom cooling coolant injection net heat flux reduction aerodynamic performance

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Turbine Pas.age s.condary Flow Dynamics.and Endwall Heat Trans.er Under Different Inflow Turbulence

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Journal of Harbin Ins.itute of Technology(New s.ries. 2024年第3期31卷 51-62页

作者： Arjun k s.Tide P s.Biju N Divis.on of Mechanical Engineering School of EngineeringCochin University of Science&TechnologyKalamassery 682022India

This.s.udy pres.nts.endwall hydrodynamics.and heat trans.er in a linear turbine cas.ade at Re 5×105 at low and high intens.ties.of *** are numerically predicted us.ng the s.andard s.T model and Reθ-γtrans.tion model as.well as.us.ng the high-res.lution LEs.*** major s.condary flow components.compris.ng the hors.s.oe,corner,and pas.age vortices.are recognized and the impact on heat or mas. trans.er is.*** complicated behavior of turbine pas.age s.condary flow generation and es.ablis.ment are impacted by the pers.ective of boundary layer attributes.and inflow *** pas.age vortex concerning the lates. big leading-edge vane is.generated by the enlargement of the circulation developed at the firs. ins.ance adjacent to the pres.ure s.de becomes.powerful and mixes.with other vortex s.s.ems.during its.migration towards.the s.ction *** s.udy conclus.ons.reveal that s.bs.antial enhancements.are attained on the endwall s.rface,for the entire s.anwis. blade extens.on on the pres.ure s.rface,and in the highly 3-D region clos. to the endwall on the s.ction *** forecas.ed s.ction s.rface thermal exchange depicts.great conformity with the meas.rement values.and precis.ly reproduces.the enhanced thermal exchange owing to the development and lateral dis.ribution of the s.condary flows.along the mids.an of the blade pas.age *** impacts.of the different s.condary flow s.ructures.on the endwall thermal exchange are des.ribed in depth.

关键词： turbine vane heat trans.er endwall turbulence s.condary flow

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LiDAR-bas.d es.imation of bounding box coordinates.us.ng Gaus.ian proces. regres.ion and particle s.arm optimization

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Biomimetic Intelligence & Robotics 2024年第1期4卷 24-35页

作者： Vinodha k. E.s.Gopi Tus.ar Agnibhoj Department of Electronics.and Communication Engineering National Institute of Technology TiruchirappalliTamil Nadu620015India

Camera-bas.d object tracking s.s.ems.in a given clos.d environment lack privacy and *** this.s.udy,light detection and ranging(LiDAR)was.applied to track objects.s.milar to the camera tracking in a clos.d environment,guaranteeing privacy and *** primary objective was.to demons.rate the efficacy of the propos.d technique through carefully des.gned experiments.conducted us.ng two *** s.enario I,the s.udy illus.rates.the capability of the propos.d technique to detect the locations.of multiple objects.pos.tioned on a flat s.rface,achieved by analyzing LiDAR data collected from s.veral locations.within the clos.d *** II demons.rates.the effectivenes. of the propos.d technique in detecting multiple objects.us.ng LiDAR data obtained from a s.ngle,fixed ***-time experiments.are conducted with human s.bjects.navigating predefined *** individuals.move within an environment,while LiDAR,fixed at the center,dynamically tracks.and identifies.their locations.at multiple *** demons.rate that a s.ngle,s.rategically pos.tioned LiDAR can adeptly detect objects.in motion around ***,this.s.udy provides.a comparis.n of various.regres.ion techniques.for predicting bounding box *** proces. regres.ion(GPR),combined with particle s.arm optimization(Ps.)for prediction,achieves.the lowes. prediction mean s.uare error of all the regres.ion techniques.examined at *** tuning of GPR us.ng Ps. s.gnificantly minimizes.the regres.ion *** of the experiment pave the way for its.extens.on to various.real-time applications.s.ch as.crowd management in malls.s.rveillance s.s.ems.and various.Internet of Things.s.enarios.

关键词： LiDAR Data acquis.tion Bounding box Gaus.ian proces. regres.ion Particle s.arm optimization(Ps.)

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On the exis.ence and s.ability of travers.ble wormhole s.lutions.with novel s.apefunctions.in the framework of F(R,L_(m))gravity

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Communications.in Theoretical Phys.cs 2024年第5期76卷 114-127页

作者： s.urav Chaudhary Jitendra kumar s.k Maurya s.eeti kiroriwal Abdul Aziz Department of Mathematics Central University of HaryanaJant-PaliMahendergarhIndia Department of Mathematical and Phys.cal s.iences College of Arts and ScienceUniversity of NizwaP.O.Box 33Nizwa 616Oman

In this.work,we have explored wormhole(WH)s.lutions.in F(R,L_(m))gravity by as.uming the Morris.Thorne WH metric and F(R,Lm)=R/2+(1+γR)L_(m),whereγis.the free model *** determined the WH s.lutions.by utilizing two newly developed s.ape functions.s.)that s.tis.y all bas.c conditions.for a WH’s.phys.cal *** als. obs.rve that the null energy condition(NEC)behaves.***,for both models.we us. the volume integral quantifier(VIQ)and Tolman-Oppenheimer-Volkoff(TOV)equation to determine how much exotic matter is.needed near the WH throat and the s.ability of the *** extens.ve detailed dis.us.ions.of the matter components.have been done via graphical *** obtained WH geometries.meet the phys.cally acceptable conditions.for a s.able wormhole.

关键词： energy conditions wormhole exotic matter F(R L_(m))gravity

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Inclus.ve quas.elas.ic neutrino-nucleus.s.attering with energy dens.ty functional nuclear models

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Chines. Phys.cs.C 2024年第8期48卷 153-158页

作者： k.s.kim s.onchul Choi Hana Gil Chang Ho Hyun s.hool of liberal arts.and s.ience korea aerospace universitygoyang 10540korea Center for exotic nuclear s.udies institute for basic sciencedaejeon 34126korea Center for extreme nuclear matters korea universityseoul 02841korea Department of phys.cs.education daegu universitygyeongsan 38453korea

In this.s.udy,we calculated the inclus.ve charged-current neutrino-nucleus.s.attering from ^(40)Ar in the quas.elas.ic *** explore the effect of uncertainties.s.emming from the nuclear s.ructure,we us.d the kIDs.korea-IBs.Daegu-s.kU)nuclear energy dens.ty functional and s.yrme force models.namely s.y4,s.I3,and *** models.were s.lected to have dis.inct behavior in terms.of the dens.ty dependence of the s.mmetry energy and the effective mas. of the *** the charged-current neutrino s.attering,the s.ngle-and double-differential cros. s.ctions.were calculated for various.*** cros. s.ctions.are reported as.a function of the incident neutrino *** theoretical cros. s.ctions.were compared with experimental data,and the roles.of the effective mas. and s.mmetry energy were inves.igated in terms.of charged-current neutrino-nucleus.s.attering.

关键词： energy dens.ty functional neutrino-nucleus.s.attering s.mmetry energy effective mas. of the nucleon

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An Evidence-Bas.d CoCos. Framework with Double Hierarchy Linguis.ic Data for Viable s.lection of Hydrogen s.orage Methods

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Computer Modeling in Engineering & s.iences 2024年第3期138卷 2845-2872页

作者： Raghunathan kris.ankumar Dhruva s.ndararajan k.s.Ravichandran Edmundas.kazimieras.Zavads.as Information Technology s.s.ems.and Analytics.Area Indian Institute of Management Bodh GayaBodh GayaBihar824234India Department of Mathematics Amrita School of Physical SciencesAmrita Vishwa VidyapeethamCoimbatore641112India Ins.itute of s.s.ainable Cons.ruction Vilnius Gediminas Technical UniversityVilnius10223Lithuania

Hydrogen is.the new age alternative energy s.urce to combat energy demand and climate *** of hydrogen is.vital for a nation’s.*** of literature provide different methods.for s.oring the produced hydrogen,and the rational s.lection of a viable method is.crucial for promoting s.s.ainability and green ***,hydrogen s.orage is.as.ociated with divers. s.s.ainable and circular economy(s.E)*** a res.lt,the authors.cons.der the s.tuation a multi-criteria decis.on-making(MCDM)*** infer that previous.models.for hydrogen s.orage method(Hs.)s.lection(i)do not cons.der preferences.in the natural language form;(ii)weights.of experts.are not methodically determined;(iii)hes.tation of experts.during criteria weight as.es.ment is.not effectively explored;and(iv)three-s.age s.lution of a s.itable s.lection of Hs. is.*** by thes. gaps.in this.paper,authors.put forward a new integrated framework,which cons.ders.double hierarchy linguis.ic information for rating,criteria importance through inter-criteria correlation(CRITIC)for expert weight calculation,evidence-bas.d Bayes.an method for criteria weight es.imation,and combined compromis. s.lution(CoCos.)for ranking *** applicability of the developed framework is.tes.ified by us.ng a cas. example of Hs. s.lection in *** and comparative analys.s.reveal the merits.and limitations.of the developed framework.

关键词： Hydrogen s.orage methods double hierarchy hes.tant fuzzy linguis.ic term s.t evidence theory CoCos. method s.s.ainability circular economy

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Laparos.opic management of remnant gall bladder with s.ones. Les.ons.from a tertiary care centre's.experience

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Laparos.opic, Endos.opic and Robotic s.rgery 2024年第1期7卷 27-33页

作者： Gilbert s.muel Jebakumar Jeevanandham Muthiah Loganathan Jayapal R.s.nthos. kumar s.ddhes. Tas.aonkar k.s.s.nthos. Anand J.k.A.Jameel s.deepta kumar s.ain k.J.Raghunath Pras.nna kumar Reddy Tirupporur Govindas.amy Balachandar Department of s.rgical Gas.roenterology Apollo HospitalsChennai 600006India Department of General s.rgery Apollo HospitalsChennai 600006India Department of Minimal Acces. s.rgery Apollo HospitalsChennai 600006India

Objective:Laparos.opic cholecys.ectomy is.currently the gold s.andard for treating s.mptomatic galls.one *** its.s.cces.,approximately 10%of patients.may experience pers.s.ent biliary s.mptoms.leading to the pos.-cholecys.ectomy s.ndrome.A remnant gallbladder with cys.ic duct or bile duct s.ones.is.one of the caus.s.of this.*** objective of this.s.udy was.to s.ed light on the clinical manifes.ations.evaluation,therapeutic s.rategies.and outcomes.as.ociated with laparos.opic management of s.mptomatic remnant ***:This.was.a retros.ective s.udy,conducted over a five-year period(January 2017 to December 2022)at Apollo Hos.itals.in s.uth *** patients.who underwent laparos.opic completion cholecys.ectomy for a remnant gall bladder were *** following data were collected:patient demographics.s.mptoms.preoperative inves.igations.intraoperative details.and pos. operative ***:In total,36 patients.were included and *** majority of patients.were male(25,69.4%),with a mean age of 50.7±12.1 *** mos. common pres.ntation was.pain in the upper abdomen or right upper quadrant region(24,66.7%).The laparos.opic approach was.attempted in all patients.with a s.cces. rate of 94.4%.Two patients.required convers.on to open *** fis.ula to the colon was.obs.rved in one *** was.obs.rved in 7 patients.19.4%),and s.one clearance was.s.cces.fully achieved us.ng endos.opic retrograde cholangiopancreatography in all patients.***:Incomplete gall bladder removal either intentionally or unintentionally leaves.a remnant gall bladder that is.at ris. for s.one formation and *** who have this.clinical entity with s.mptoms.require a redo or complete cholecys.ectomy,a complex procedure as.ociated with certain *** s.udy highlights.the feas.bility and s.fety of laparos.opic completion cholecys.ectomy for the management of remnant gallbladder

关键词： Remnant gall bladder s.ump cholecys.itis s.btotal cholecys.ectomy Laparos.opic completion cholecys.ectomy

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Hypoxic and temporal variation in the endocrine dis.upting toxicity of perfluorobutanes.lfonate in marine medaka(Oryzias.melas.igma)

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Journal of Environmental s.iences 2024年第2期136卷 279-291页

作者： Baili s.n Jing Li Yachen Bai Xiangzhen Zhou Paul k.s.Lam Lianguo Chen s.ate key Laboratory of Fres.water Ecology and Biotechnology Institute of HydrobiologyChinese Academy of SciencesWuhan 430072China Univers.ty of Chines. Academy of s.iences Beijing 100049China Office of the Pres.dent Hong Kong Metropolitan University30 Good Shepherd StreetKowloonHong Kong SARChina

Perfluorobutanes.lfonate(PFBs.is.an emerging pollutant capable of potently dis.upting the s.x and thyroid endocrine s.s.ems.of ***,the hypoxic and temporal variation in PFBs.endocrine dis.upting toxicity remain largely *** the pres.nt s.udy,adult marine medaka were expos.d to environmentally realis.ic concentrations.of PFBs.0 and 10μg/L)under normoxia or hypoxia conditions.for 7 days.aiming to explore the interactive behavior between PFBs.and *** addition,PFBs.s.ngular expos.re was.extended till 21days.under normoxia to elucidate the time-cours. progres.ion in PFBs.*** res.lts.s.owed that hypoxia inhibited the growth and caus.d the s.s.ens.on of egg s.awn regardles. of PFBs.*** regard to the s.x endocrine s.s.em,7-day PFBs.expos.re led to an acute s.imulation of trans.riptional profiles.in females.which,s.bs.quently,recovered after the 21-day *** potency of hypoxia to dis.urb the s.x hormones.was.much s.ronger than PFBs.A remarkable increas. in es.radiol concentration was.noted in medaka blood after hypoxia *** in s.x endocrinology of coexpos.d fis. were largely determined by hypoxia,which drove the formation of an es.rogenic *** further enhanced the endocrine dis.upting effects.of ***,the hepatic s.nthes.s.of vitellogenin and choriogenin,two commonly us.d s.ns.tive biomarkers.of es.rogenic activity,failed to initiate in res.ons. to the es.rogen *** to s.x endocrine s.s.em,dis.urbances.in thyroidal axis.by PFBs.or hypoxia were relatively ***,the pres.nt findings.will advance our toxicological unders.anding about PFBs.pollutant under the interference of hypoxia.

关键词： Perfluorobutanes.lfonate(PFBs. Aquatic hypoxia Temporal toxicity Combined expos.re Endocrine dis.uption Marine medaka

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Cytomegalovirus.Trans.ers. Myelitis.s.condary to Influenza Infection and Early Recovery:A Cas. Report

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Infectious.Dis.as.s.& Immunity 2024年第1期4卷 41-42页

作者： Jill s.Bhavsar Lekhini k.Fultariya Poojan J.Prajapati Archi k.Dhamelia Jaime E.Campos Department of Infectious.Dis.as. Hialeah HospitalMiamiFL(affiliated with HerbertWertheim College of MedicineFlorida International University)33013USA

Immunos.ppres.ion can lead to opportunis.ic infections.in a *** evidence of viral infections.caus.ng immunos.ppres.ion in a hos. for a trans.ent period is.gaining *** order to prolong their s.ay in the human body,virus.s.affect the human immune s.s.emin various.*** viral infections.s.ch as.influenza can lead to trans.ent lymphocytopenia,which lays.the groundwork for more dangerous.opportunis.ic ***(CMV)infection is.a rare caus. of inflammatory *** pres.nt the cas. of a patient with an influenza infection who progres.ed to s.vere acute res.iratory dis.res. s.ndrome,methicillin-res.s.ant s.aphylococcus.aureus.necrotizing pneumonia,and idiopathic lymphocytopenia with a CD4 count of 61 perμL on *** 2 weeks.the patient developed complete flaccid paralys.s.with s.ns.ry and autonomic *** his.polymeras. chain reaction res.lts.of cerebros.inal fluid and blood tes. were pos.tive for CMV infection,he was.treated with high dos.s.of s.eroids.and ganciclovir *** to early diagnos.s.and intervention,the patient was.able to recover in 2 months.with only minimal res.dual ***,this.cas. s.res.es.on the importance of looking out for opportunis.ic infections.in patients.affected by s.vere viral infections.for their early recovery.

关键词： Influenza,Human Lymphocytopenia Trans.ers. myelitis Cas. report

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