I tisapleasuretointroducethreenewfacultymemberstotheDepartmentofCivil&EnvironmentalEngineering(CEE).Theyhavebeenselectedto illnewfacultylinesinthestrategicinitiativesofthedepartmentandtheCollegeofEngineering.Drs.CelalettinEmreOzdemir,HongliangZhang,andShengliChenhave
alreadyjoinedthedepartmentthisfallandafourthnewfacultymemberwillstartinJanuary2015.Thethreeassistantprofessorsencompasstheareasofcoastalengineering,environmentalengineeringandgeotechnicalengineering,respectively.Descriptionsoftheirresearchareasarehighlightedinthisissueofthenewsletter.Itisanticipatedthatwewillhirethreeadditionalfacultymembersnextyear.Also,thedepartmentrecentlycelebratedthedebutoftheETECHydraulicsandWaterDistributionLaboratorywitharibboncuttingceremonyandreception.ThislabwascreatedtoprovideCEEundergraduatestudentsanexperimentalandmodelingfacilitywheretheycangethands‐onexperienceinthereal‐timemonitoring,control,andmodelingofhydraulicsystems.ThedepartmentwouldliketosincerelythankRonnieHebertofETEC,Inc.andMichaelPittmanoftheM.R.PittmanGroupfortheirgeneroussupport.
AnotherrecentcelebrationfortheCollegeofEngineeringasawholewasthegroundbreakingceremonyheldinmid‐NovemberfortherenovationofPatrickF.TaylorHall.This$110millionendeavor,madepossiblebythegenerouscontributionsofsomanydonorsandthroughanimpressivestatematch,isexpectedtobecompletedinfall2017.Thisnew,state‐of‐the‐artfacilitywillprovidestudentswithanenhancedandinspirationallearningenvironmentandwillserveasasuperiorspaceforinnovativeresearch.Inthemeantimeandamidstalloftheimpendingconstruction,ourundergraduateprogramswillbepreparingforourupcomingABETaccreditationvisitinfall2015.TheABETprocessrequiresthatweareengagedinthecontinualimprovementofourundergraduateprogramsincivilandenvironmentalengineeringandprovidedocumentationthataprocessisinplacetoensuresuchagoalisachieved.Thiscontinuousprocessofre‐evaluationisvitaltothegrowthandcontinuedsuccessourprograms.Inclosing,myselfandthedepartmentwouldliketowishyouandyourfamilyawonderfulholidayseason.Sincerely,Dr.GeorgeZ.VoyiadjisBoydProfessor,ChairBinghamC.StewartDistinguishedProfessor
A L U M N I R E G I S T R AT I O N & U P D AT E S TheDepartmentofCivil&EnvironmentalEngineeringisalwaysinterestedinhowouralumniaredoing.Wehopeyouwilltakethetimetosendyourupdatestojmueller@lsu.eduor,ifyouprefer,youcan“snailmail”themto:DepartmentofCivilandEnvironmentalEngineeringLouisianaStateUniversityAttn:JulieMueller3418PatrickTaylorHallBatonRouge,LA70803‐6405Pleaseincludebasicinformationsuchasyourfullname,yearofgraduation,degree,mailingaddress,emailaddress,telephonenumber,company,andyourtitle/position.Foryourupdate,pleaseincludeinformationonyourrecentprofessionalandpersonaldevelopments,alongwithahigh‐qualityphoto,ifavailable.Thanksforstayingintouch!
Volume14 Fall2014
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I n T h i s I s s u e
A F O U N D AT I O N O F E X C E L L E N C E P R O G R A M
ToconnectwiththeLSUCollegeofEngineering,pleasevisitwww.eng.lsu.edu/alumni/update
CEEINFOCUS Fall 2014 VOLUME 14
F R O M T H E D E PA R T M E N T C H A I R AletterfromGeorgeZ.Voyiadjis
2 Visitusonlineatwww.cee.lsu.edu Tomakeanimpactfulgift,pleasecontactDr.GeorgeZ.Voyiadjis(225)578‐[email protected]
Student Highlights
ConnectwithusonFacebook!Searchfor“LSUDepartmentofCivil&EnvironmentalEngineering.”Click“like”andaddustoyourinterest listtoreceivenewsandupdatesfromthedepartment!
Miscellaneous
As c e s t u d e n t c h a p t e r
T heAmericanSocietyforCivilEngineers(ASCE)atLSUstudentchapterhadabusystartthisfallsemesterwelcomingnewmembers,aswellasholdingelectionsfor2015of icers(tobeinstatedattheend‐of‐semesterbanquetinDecember).Thechapter’smonthlymeetingsfeatureguestspeakersandthissemesterisnoexception.KickingthingsoffinAugust,arepresentativefromForte&Tabladaspoketothestudentsaboutthenew3‐Dscanningtechnologybeingutilizedbythe irm,andJoeyCoco,PresidentoftheASCEBatonRougeBranch,alsospokeaboutthe2012ASCEReportCardaswellastheimportanceofstayinginvolvedwithASCEaftercollege.SeptembermeetingsfeaturedspeakersfromBASFandStantec,andinOctoberfeaturedFord,Ba‐con&DavisaswellasISCEngineering.Laterinthesemester,studentswelcomedManchacConsultingGroupandCDICorporation.ThissemesterthechapteralsoattendedtheEngineeringTigerConnectionsFairhostedbytheLSUCollegeofEngineering.Itisanannualwelcomeeventandopenhouseforincomingfreshmenandtransferstudents.StudentswereintroducedtoASCEatLSUandgotanopportunitytospeakwithchapterof icers.ThesteelbridgeandconcretecanoeteamsarealreadyhardatworkpreparingfortheDeepSouthRegionalcompetition,tobeheldthiscomingspringinOxford,MS.Fundraisingeffortsarealreadyunderwayandthoseinterestedinsupportingtheseteamsand/orspeakingatamonthlymeetingcancontactthechapterviaemailatasce@lsu.edu.Thoseinterestedlearningmoreaboutthechaptercanvisitonlineatwww.lsuasce.weebly.com.
2 0 1 4 L o u i s i a n a H e i g h t M o d e r n i z at i o n W o r ks h o p
O nJuly29,2014,theCenterforGeoInformatics(C4G)hostedthe2014LouisianaHeightModernizationWorkshopattheLodCookConferenceCenterontheLSUBatonRougecampus.Theworkshopwasthe irstofmanyeventsthatwillbeconductedacrosstheGulfCoastoverthenextfewyears.TheseeventsaresupportedthrougharesearchgrantfundedbytheNationalGeodeticSurvey.The ive‐year,multi‐milliondollargrantwasawardedtoaconsortiumofinstitutesandspatialreferencecentersinTexas,Louisiana,Mississippi,Alabama,andFlorida.TheworkshopsaredesignedtocommunicatethelatesttechnologiesandresourcesforreliablyobservingandaccuratelymeasuringheightsandelevationsusingGPSandGNSStechnologies.
Over100professionalsandexhibitorsattendedtheall‐dayworkshop.Themorningsessionsfeaturedinvitedspeakers,includingDr.GeorgeZ.Voyiadjis(LSUCEE),ViceChancellorK.T.Valsaraj(LSU),Mr.TimOsborn(NOAAOf iceofCoastSurvey),Mr.CliffordMugnier(LSUC4G),andMr.WilliamHenning(NGS,ret.).TheafternoonsessionsincludedapaneldiscussioncomposedofprofessionalsrepresentinggeodeticstakeholdergroupsfromLouisiana’sacademic,public,andprivatesectorcommunities.RecordingsoftheworkshopareavailableonlineattheLSUC4GYouTubepage:https://www.youtube.com/playlist?list=PLPfCaQAHXOdcAYHESScyC3OsPr5yRknh9
FormoreinformationaboutC4G,pleasevisit:Website:http://c4g.lsu.eduTwitter:@LSU_C4GFacebook:C4GLSRC
Picturedlefttoright:EmilyWeigand,SeanMoore,AliciaFortier,MitchEverhardt,BrendanCopley,BradJacobs,JabariLandry
2 0 1 4 C u r r e n t AS C E O f f i c e rs
President‐EmilyWeigandVicePresident‐JabariLandrySecretary‐AliciaFortierTreasurer‐RobertDavis
MeetingCoordinator‐SeanMooreFundraisingChair‐BradJacobsWebmaster‐MitchEverhardt
CommunityServiceChair‐BrendanCopley
2 0 1 5 i n c o m i n g AS C E O f f i c e rs
President‐AliciaFortierVicePresident‐RobertDavisSecretary‐KelseySchmaltzTreasurer‐EnricoTarga
MeetingCoordinator‐GabrielleDubrocFundraisingChair‐MeganCorzoWebmaster‐MitchellEverhardt
CommunityServiceChair‐AmyOlson
FacultyAdvisor‐Dr.MicheleBarbatoPractitionerAdvisor‐BenMcArdle
A l u m n i N e ws ThedepartmentwouldliketocongratulateCEEalumnusDr.PradeepKurup,aprofessoratUMassLowell,onbeingnamedDistinguishedUniversityProfessor.ThisisthehighestdistinctionbestowedonaUniversityofMassachusettsLowellfacultymember,recognizingexceptionalteaching,research,andser‐vicetotheuniversity.Dr.Kurup,whoreceivedhisPhDincivilengineeringfromLSUin1993,workedundertheadvisementofDr.GeorgeZ.Voyiadjisandco‐advisorDr.MehmetTumay.Dr.Kurupisthedeveloperofaninnovativeelectronic“nose”thatcansnifffortracesofexplosives.Also,hisresearchincludesthedevelopmentofanelectronic“tongue”thatcandetectandidentifytracesoftoxicheavymetalssuchasarsenic.
RobertJ.Slimp,whoreceivedhisbachelor’sincivilengineeringfromLSUin1996,wasrecentlypromotedtoCEOofHNTBInfrastructure,thelargestbusinessunitofHNTBCorporation.SincejoiningHNTB,Slimphasheldexecutivepositionsatthelocal,regional,andnationallevels,includingrecentlyservingaspresidentoftheNortheastandSoutheastdivisionsofHNTBCor‐poration.InhisnewpositionasCEOofInfrastructure,Slimpwillberesponsiblefortheoveralldirectionofprofessionalservicesprovidedtoclients.CongratulationstoAraArmanonbeingselectedfortheASCELouisianaSectionWallofFame.ArmanisacivilengineeringalumnusaswellasamemberoftheCEEHallofDistinction.
C E E A l u m n i : W e wa n t t o s h a r e yo u r n e ws ! IfyouareaCEEgraduateandhavenewsthatyouwouldliketoshare,pleaseemailyournewsand(ifavailable)ahigh‐[email protected]
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Student Highlights Faculty News
Fa c u lt y H i g h l i g h t s Dr.LouayMohammad, ProfessorofCEEandDirectoroftheEngineeringMaterialsCharacterizationResearchFacilityatLTRC,wasawarded$100,000fromtheNationalCooperativeHighwayResearchProgram(NCHRP)to(1)documentthecapabilitiesofavailablecommercialHamburgtest
equipment,(2)determineHamburgtestequipmentcapabilities,components,ordesignfeaturesthatensurepropertestingandaccurate,reproducibleresults,and(3)provideproposedrevisionswithcommentarytoAASHTOTestMethodT324toenabletheuseofaperformancetypespeci icationforHamburgtestequipment. TheHamburgWheel‐TrackTestEquipmentiscommonlyusedtoevaluatepermanentdeformationandmoisturesusceptibilityofasphaltmixturesduringdesign,production,andconstruction.Co‐principalinvestigatorsinthestudyareDr.MostafaElsei i(CEE),andAmarRaghavendra(LTRC).
CEEInstructorKerryReedwasselectedbytheASCEBatonRougebranchastherecipientoftheEducatoroftheYearAward.Thisawardispresentedtoanoutstandingeducatorwhohascontributedsubstantiallytothe ieldofcivilengineering.
Drs.AymanOkeilandAlyMousaadAlyreceivedfunding($179,991)fromtheLouisianaTransportationResearchCenter(LTRC)toinvestigatetheperformanceofaLinkSlabdetailforcontinuousbridges.Thethree‐yearprojectinvolvesinstallationofsensorsinanewbridge.Recommendationsabouttheperformanceofthecontinuitydetailwillbemadebasedonielddataandanalyticalwork.
Dr.GeorgeZ.Voyiadjis,BoydProfessorandChairofCivil&EnvironmentalEngineering,iseditoroftherecentlyreleasedHandbookofDamageMechanics:NanotoMacroScaleforMaterialsandStructures.Thisauthoritativereferenceprovidescomprehensivecoverageofthetopicsofdamageandhealingmechanics.
Computationalmodelingofconstitutiveequationsareprovided,aswellassolvedexamplesinengineeringapplications.Awiderangeofmaterialsthatengineersmayencounterarecovered,includingmetals,composites,ceramics,polymers,biomaterials,andnanomaterials.Theinternationallyrecognizedteamofcontributorsemployaconsistentandsystematicapproach,offeringreadersauser‐friendlyreferencethatisidealforfrequentconsultation.HandbookofDamageMechanics:NanotoMacroScaleforMaterialsandStructuresisidealforgraduatestudentsandfaculty,researchers,andprofessionalsinthe ieldsofmechanicalengineering,civilengineering,aerospaceengineering,materialsscience,andengineeringmechanics.
TheGulfCoastCenterforEvacuationandTransportationResiliency,underthedirectionofEdwardA.andKarenWaxSchmittProfessorDr.BrianWolshon,recentlytookpartintheCityLabprogramhostedbyTheAtlanticinpartnershipwithTheAspenInstituteandBloombergPhilanthropies.TheCityLabprogram,heldinLosAngeles,CAthis
September,broughttogether300+oftheworld’stopmayors,urbanexperts,cityplanners,writers,technologists,economists,anddesigners.Thegoalofthe3‐dayprogramwastofosterconstructiondialogueandcreatescalablesolutionsforcityleaderstosharewiththeirconstituenciesacrosstheworld.
I T E s t u d e n t c h a p t e r
T heInstituteofTransportationEngineers(ITE)studentchapteratLSUwasrevitalizedin2011.Everyyearsince,thestudentchapterhasparticipatedintheITECollegiateTraf icBowlcompetition,competingagainstITEstudentchapterteamsfromvariousuniversitiesinthedeepsouthregion.Itisafuncompetitionfocusedontransportationplanningandengineering.
Inthespringof2014,electionofthestudentchapterboardtookplace.Theelectedof icersforthe2014‐2015yearare:
NelidaHerrera—PresidentSyndneyJenkins—VicePresidentFacultyAdvisor—Dr.SherifIshak
Sincethespringelections,theITE‐LSUchapteractivitieshaveincludedatourattheAdvancedTraf icManagementCenterinBatonRouge,asitevisittotheroundaboutinDalrymple,chaptermeetings,andajointmeetingwithASCE‐LSU.Infall2014,ITE‐LSUworkedwiththeBatonRougeMetropolitanAirporttoorganizeatourofthefacility.Allchaptereventsgivestudentsanopportunitytolearnmoreabouttransportationengineering.StudentsinterestedinbecomingamemberofITE‐LSU(membershipisfree!)[email protected].
LW E A L a k e c l e a n u p e v e n t
L ouisianaWaterEnvironmentAssociation(LWEA)isamemberassociationoftheWaterEnvironmentFederation(WEF).Thestudentorganizationisopentoallstudentsthatpossessthedesiretolearnaboutthenaturalenvironment.ThefocusoftheorganizationisonenvironmentalissuesinthestateofLouisiana,emphasizingrivers,swamps,marshesandlakes.EachsemestertheLSUstudentchapterofLWEAstudentchapterhostsabi‐annuallakecleanupinsupportofitsmissiontoeducatestudentsabouttheenvironmentthroughhandsonservice‐work.Thefall2014semestercleanupfocusedontheUniversityLakeonLSU’scampus.Whetherbycanoeingthelakesorwalkingtheperimeter,morethan50studentsworkedtogethertopickuptrash.Foodanddrinkswereprovidedforthestudentsbytheevent’scorporatesponsor,EnvironmentalResourcesManagement(ERM).
13 4 “Like”usonFacebook.Searchfor“LSUDepartmentofCivilandEnvironmentalEngineering”
Student Highlights Research Highlights
S t u d e n t awa r d s RebeccaLaPortehasbeenawardeda2014‐15scholarshipfromtheTauBetaPiengineeringhonorsociety.LaPortewillreceiveacashawardof$2,000forhersenioryearofengineeringstudy.TauBetaPischolarshipsareawardedtojuniormembersonacompetitivebasisofhighscholarship,campusleadershipandservice,andpromiseoffuturecontributionstotheengineeringprofession.Astudentmajoringincivilengineering,LaPortecurrentlyservesasvicepresidentoftheLouisianaEngineeringSociety(LES)LSUstudentchapter,isamemberofTauBetaPihonorsociety,andamemberoftheAmericanSocietyofCivilEngineers(ASCE)LSUstudentchapter.CongratulationstoCEEgraduatestudentsGetnetAgegnehu,JonathanBarnett,JacobFoy,andTrentKeyonbeingselectedtoreceiveChevronGraduateAssistantshipSupplementsintheCollegeofEngineering,inrecognitionofthedistinctionthathascharacterizedtheiracademicandresearchperformancetodate.JacobFoywasalsoarecipientofaLouisianaWaterEnvironmentalAssociation(LWEA)scholarship.TheLWEAscholarshipprogramencouragesandassistsstudentsintheirpursuitofadegree,leadingtoacareerintheenvironmental ield.CEEhasawardedthefollowingnewPhDstudentsone‐timeEnrichmentAwards:RamendraDas,OmarElbagalaty,MarsardarEsmaeili,MiladRezaee,MaryamRoostaee,ShimaShamkaliChenar,andYangYu.Theseawards,supplementstograduateassistantships,areusedtorecruitexceptionalstudentstothedoctoralprogram.
Asacivilengineeringundergraduatestudent,SyndneyJenkinswasoneoftwelveLSUstudentstoreceivea2014LSUDiscoverScholarAward,recognizingstudents
fortheiroutstandingundergraduateresearch.ThesestudentswererecognizedattheLSUvsKentuckyfootballgameinOctober(picturedabove).NowasaCEEgraduatestudent,JenkinswasselectedforafellowshipthroughtheNationalGEMConsortiumaswellasaDwightDavidEisenhowerTransportationFellowshipawardedbytheFederalHighwayAdministration(FHWA).Jenkins,undertheadvisementofDr.SherifIshak,willusethesefellowshipstofundherMaster'sthesisresearchandacademicexpenses.NitinKumar,aCEEgraduatestudentworkingwithDr.MicheleBarbato,wasselectedforaLSUGraduateSchoolEconomicDevelopmentAssistantship(EDA).Nitin,undertheadvisementofDr.Barbato,willbeperformingresearchonahurricane‐resistanthousingconstructionsystem.JaworskiSartin,aCEEgraduatestudentworkingwithDr.BrianWolshon,hasbeenselectedforaDonaldW.ClaytonPh.D.,GraduateAssistantshipSupplementintheCollegeofEngineering,inrecognitionofhisacademicperformancetodate.AspartoftheBASFTeamChemistryScholarshipFund,civilengineeringundergraduatestudentJarrettLoganwasselectedasoneoffourrecipientsofa$2,500scholarshipawardedtostudentsforacademicexcellenceandfortheirleadershipbothoncampusandinthecommunity.AnativeofZachary,Louisiana,Jarrettismemberofthe1st/244thAssaultHelicopterBattalionoftheLouisianaArmyNationalGuardandaLSUArmyROTCcadet.
modelingthatsimulatesmeteorologyandairqualitysimultaneously.TheschemeDr.Zhangbuilttracksparticlesseparatelydependingontheirsizeandsourcestomoreaccuratelyrepresentatmosphericprocessesincomputermodels.Thisimprovestheunderstandingofthecomplexinteractionsbetweenairpollutionwithweatherandclimate.Thesource‐orientedWRF/Chemmodelcanbeusedforvariousresearchproblems.Applicationsincludehighresolutionsimulation(250m)ofsource‐contributionstoconcentrationsofblackcarbondispersedoverOakland,simulationofafogeventintheSanJoaquinValley,andsimulationofafuturescenarioin2050toevaluatetheairqualityco‐bene itsofcarbondioxidecontrolmeasuresassociatedwiththeGlobalWarmingSolutionsActofCalifornia(AssemblyBill32).Thismodelwillbefurtherusedtoinvestigatetheeffectsofairpollutiononhurricanesandinteractionsbetweenairpollutionandclimatechange.
A i r p o l l u t i o n i n C h i n a AirpollutioninChinahasdrawngreatattentioninrecentyearsduetotheextremelyhighconcentrationsandpotentialeffectstoairqualityinNorthAmericaandtheglobalclimate.However,itwasdif iculttoaccuratelyevaluatethehealthrisksandpotentialeffectsduetothelackofopen‐accessairpollutiondatainChinauntillate2012,whentheMinistryofEnvironmentalProtection(MEP)ofChinastartedtopublicizeairqualitydatainmajorcities.Dr.Zhang’spaperonEnvironmentInternationalentitled“Spatialandtemporalvariationsofsixcriteriaairpollutantsin31provincialcapitalcitiesinChinaduring2013–2014”irstusedthedatatoanalyzethespatialandtemporalofpollutantsinChina.MajorcitiesinChinawerefoundtohaveexperiencedsevereairpollutioninallseasons.Thepollutantshavesigni icanttemporalandspatialdifferencesandastrongcorrelationwasfoundbetweendifferentpollutants.ItwasalsofoundthatairpollutioninChinawascausedbymulti‐pollutants,indicatingthatlargeeffortsareneededtocontrolairpollutioninChina.ThispaperbuildsaplatformforacomprehensiveunderstandingofthecurrentairpollutioninChina.Italsodirectsfuturestudiestoinvestigatetheassociationsbetweenairqualityandmeteorologicalconditions,emissionsindifferentregions,transportandtransformationofpollutantsinbothintra‐andinter‐regionalcontext,tofurtherimprovetheunderstandingofthephysicalandchemicalprocessesthataffecttheairqualityinChina.Inthefuture,Dr.ZhangwillcontinuetosimulateairpollutionepisodesandinvestigatetheeffectsofairpollutioninChinaonmeteorologyandclimate.
CEE
At a
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nce
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Research Highlights Student Highlights
Studentspicturedaboveare(lefttoright)JosephBoley(CEsenior),SarahBozyk(EVEGjunior),AndreRomero,JaciBourgeois,andCameronKuhn(CEjuniors).
E v e g 3 1 1 0 B u i l d 4 6 w o o d d u c k h o u s e s Thephotoaboveshows iveofthe46woodduckhousesthatwereconstructedandhungbystudentssincetheSpring2014EVEG3110classaspartoftheirextracreditexercises.The46boxescanproduceupwardsof4,000ducklingsovertheir iveyeardesignlife.Severalstudentsveri iedtheuseoftheboxeswiththeircellphones.JimBrent(CEsenior)wassurprisedto indaBlackBelliedFulvousWhistlingDuckincubatingeggsinaboxheplacedneartheLSUUniversityLake.
D r.HongliangZhangjoinedtheDepartmentofCivil&EnvironmentalEngineering(CEE)atLSUinAugust2014asanassistantprofessor.PriortojoiningtheCEEfaculty,heworkedasapostdoctoralscholaratUniversityofCaliforniaDavisfortwoyearsafterheobtainedhisPhDfromtheDepartmentofCivilEngineeringatTexasA&MUniversityinMay2012.PriortohisexperienceintheUS,Dr.ZhangreceivedhisBSandMSdegreesintheDepartmentofEnvironmentalScienceandEngineering(2006)andtheDepartmentofThermalEngineering(2008)fromTsinghuaUniversity,respectively.Hisresearchfocusesonthedevelopmentandapplicationof3Dchemicaltransportmodels,whichcanbeusedto1)representallknownatmosphericprocessesandtestnewdiscoveriesatglobalorregionalscale;2)reproducepastpollutioneventsandforecastfuturescenarios,estimatecontributionsofacertainsourceclassorregiontopollutantsatgivenlocationandtime,andevaluatetheproposedcontrolmeasures;3)providedetailedpollutantsinformationandquantifytheireffectsonhumanhealthbyshortorlongtermepidemiologicalstudies;and4)studythecomplexinteractionsbetweenairpollutionandclimatechange.Dr.Zhanghaspublished21papersinpeer‐reviewedjournalsincluding:EnvironmentInternational,Atmos-phericChemistryandPhysics,EnvironmentalScienceandTechnology,AtmosphericEnvironment,andJournalofGeophysicalResearch.
S o u r c e a p p o rt i o n m e n t o f a i r p o l l u ta n t s Airpollutantshaveadverseeffectstobothhumanhealthandtheecosystem.Contributionsofdifferentsourcestovariouspollutantsarekeyinformationtodesigneffectivecontrolstrategies.DuringhisPhDstudies,Dr.Zhangfocusedonthedevelopmentofsourceandageresolvedchemicaltransportmodelstoquantifycontributionsofdifferentsourcestoozoneandparticulatematter(PM)throughnonlinearatmosphericprocesses.ThesemodelswereappliedtoSoutheast
Texas,andEastAsia.Forexample,Dr.Zhang’sresearchentitled“ContributionsoflocalandregionalsourcesofNOxtoozoneconcentrationsinSoutheastTexas”quanti iedcontributionsofnitrogenoxides(NOx)sourcetoozoneinSoutheastTexasduringsummer2000.Dieselengines,highwaygasolinevehicles,naturalgasandupwindsourcesarethemaincontributorstodaytimeozoneinHouston.Inthefuture,Dr.Zhangwillimprovethecurrentsourceapportionmenttechniquesbyaccountingforindirecteffectsofco‐emittedpollutantstothecontributionofeachsourcetotargetedpollutant,includingnewmecha‐nismsandprocessesthatarebeingdiscovered.ThemodelswillbeappliedtoLouisianatohelpreducelocalairpollution.
I n t e r a c t i o n s b e t w e e n a i r p o l l u ta n t s , m e t e o r o l o gy , a n d c l i m at e c h a n g e Duringhispostdoctoralresearch,Dr.ZhangalsocontributedtoanotherexcitingandchallengingprojectthatincorporatedanewPMschemeintoWeatherResearchandForecastingmodelswithchemistry(WRF/Chem),whichisanewgenerationofairquality
FA C U LT Y R E S E A R C H H I G H L I G H T : D r . h o n g l i a n g z h a n g
T heLSUDepartmentofCivil&EnvironmentalEngineeringrecentlyreceivedanawardrecognizing10yearsofparticipationintheOceanCommotion.ThiseventisorganizedbytheLouisianaSeaGrantCollegeprogramandattractsapproximately2,500students,teachersandchaper‐onesfromK‐12schoolsfromBatonRougeandotherareas.Thirty‐oneschoolsparticipatedinthisyear’sevent.Formoreinformationvisithttp://www.lamer.lsu.edu/oceancommotion/
C e e r e c o g n i z e d f o r 1 0 y e a rs pa rt i c i pat i o n i n O c e a n c o m m o t i o n
PicturedAboveJacobFoy,JonathanBarnet,Dr.M.TeresaGutierrez-Wing,(back)C.DavisLofton,DianneLindstedt(SeaGrantCollegeProgramEducationcoordinator),andCalebHamilton.Notpictured:TaylorHayes,KristenCourville,andAntenehLisan.
O nFriday,October31,representativesfromLSU,EnvironmentalTechnicalSales,Inc.(ETEC),andM.R.PittmanGroupgatheredtocelebratetheopeningoftheETECHydraulicsandWaterDistributionLaboratory.“LSU’sCollegeofEngineeringgavemeagreatfoundationforgoingforthinlifeandstartingETECwithfellowengineeringalumniSamAgnewandMichaelTodd,”saidRonnieHebert(below),presidentofETEC.“Withthislab,wewanttoofferLSUstudentsahigh‐techexperienceinthestudyofhydraulicstopreparethemforworkaftertheygraduate.”
Bolsteredbya$200,000donationfromETECandM.R.PittmanGroup,LSUCollegeofEngineeringundergraduatestudentswillreceivehands‐onexperienceinthemonitoring,controlling,andmodelingofhydraulicsystemsinanupgradedexperimentalandmodelingfacility.
“ThankstoETECandM.R.PittmanGroup,thisnewlabwillallowustobetterprepareLSUEngineersbyprovidingastate‐of‐the‐artlearningenvironmentandin‐depthtrainingandresearchinwaterresourcemanagement,”saidGeorgeVoyiadjis,chair,DepartmentofCivil&EnvironmentalEngineering(above).“Thisfacilityallowsourstudentstotestprinciplesof luidmechanicsandhydraulicsthroughexperimentation,involvingthemeasurementandcalibrationofhydraulicmachinery,pumpandturbineef iciency,and lowinpipelines.”FeaturesofthenewETEClaboratoryincludea luidfrictionlowapparatus,parallelandseriespumpsdemonstrationunit,FM62turbineserviceunit,anOpti‐Floatsystem,andupdatedcontrolandvisualizationsoftware.Thenewequipmentexpandsthetypeofexperimentsstudentscan
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Research Highlights CEE In Focus
S u s ta i n a b l e I n f r as t r u c t u r e s Duringhisdoctoralstudies,Dr.OzdemirhadtheopportunitytoinvestigatetheerosionsusceptibilityofhydraulicstructuresoperatedbySouthFloridaWaterManagementDistrict(SFWMD).LocatedintheheartoftheEvergladesecosystem,spillwaysareutilizedtoregulatesurface lowaspartoftheeffortstomeetthediverseneedsofsouthFlorida,whilemaintainingandrestoringtheecosystem.During2007and2008,thewaterlevelsatthedownstreamofthesestructuresdroppedtominimumlevelduetodrought.Thewater
levelmentionedcannotmoderatetheenergyofthere‐leased lowdueto looding.Therefore,high‐energy lowmayleadtoexcessiveerosionandhencejeopardizingthestabilityofthehydraulicstructures.Conductingexperimentsonaphysicalmodelinalaboratorymaybecomehighlyexpensiveespeciallyifthenumberofscenariostobeinvestigatedishigh.Therefore,useofCFDsimulationsbecomesacomparativelylessexpensivealternative.ForvariousloodandgateoperationscenariosCFDsimulationsareperformedtogatherinformationwheremaximumbedstressorerosiontakesplaceandguidelinesfortheoperationofthesestructures.
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Figure2.a)Computationalsetup(spatialdiscretization)oftheS-72spillway.b)Evolutionoftheerosiveforcesintimeatthedownstreamofthespillway.c)Estimatederosionrateintime.
N e w E T E C H y d r a u l i c s a n d Wat e r D i s t r i b u t i o n L a b o r at o ry T r a i n s S t u d e n t s o n F l u i d M e c h a n i c s
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CEE In Focus Research Highlights
FA C U LT Y R E S E A R C H H I G H L I G H T : D r . c e l a l e t t i n e m r e o z d e m i r
D r.CelalettinEmreOzdemirrecentlyjoinedtheLSUDepartmentofCivil&EnvironmentalEngineeringasassistantprofessorandisalsoaf iliatedwiththeCenterforComputationandTechnologyatLSU.Hisexpertiseisinthedevelopmentandapplicationofnumericalmodels.BeforejoiningLSU,Dr.OzdemirconductedpostdoctoralresearchinWoodsHoleOceanographicInstitution’s(WHOI)AppliedOceanPhysics&EngineeringDepartment,andUniversityofDelaware’sCenterforAppliedCoastalResearch.HealsoconductedhisdoctoralresearchattheUniversityofFlorida.Dr.Ozdemirconductsresearchonenvironmental luidmechanicsspeci icallytounderstandandparameterizesedimenttransportprocessesincoastalregions.Sedimenttransporthasnumerousrami ications.Organicsedimentsareoneofthemajorsourcesofcarbon,andtheirerosionfromthemainlandtothedeepoceanmakessedimenttransportoneofthechiefparticipantsintheglobalcarbonbudget.Thecontentoforganiccarboninagrariansoilisthemainindicatorofthesoilquality.Erosionofhighqualitysoilwillin luencetheglobalfoodsecurity.Thesediments’af initywithheavymetalsandinhibitionofsunlightpenetrationintothewatercolumnmakesedimentsbothchemicalandphysicalpollutants.ButthemostimportantoneisthelandlossduetoerosionthatweareexperiencinginLouisianawhichjeopardizesthesafetyandwell‐beingofLouisiana’sinhabitants,theinfrastructureforasustainablecoast,anditsuniqueculture.
T h e Fat e o f F l u i d - m u d i n t h e C o n t i n e n ta l S h e l f AlthoughhehasneverbeentotheGulfCoast,Dr.Ozdemir’swholeresearchendeavorsspeci icallyaddressthesedimentdynamicsintheGulf.AspartoftheU.S.Navy’seffortstoassessthestateofmuddyseabedthroughsatelliteimages,Dr.Ozdemirhasdevelopedanumericalmodeltounderstandthedetailsofthephysicalmechanismsthatareresponsibleforsurfacewave
attenuationandwave‐supportedturbiditymud lowswhicharecommonlyobservedintheGulfCoast.Asaresultofhisefforts,Dr.Ozdemiridenti iestheinteractionbetweenthestrati icationinthedensemudlayerandambientboundarylayerturbulencethatplaysakeyroleonbothsurfacewaveenergyattenuationandwavesupportedturbiditymud lows.UponhismovetoWHOI,Dr.Ozdemirfocuseddeeperonmud lowoverseabedtopographyanditsimpactontheinternalmudwavesthroughboth ielddataanalysesandnumericalmodeling.Through ieldobservations,heobservedthatthemobileseabedplaysacriticalroleonthesurfacewaveenergyattenuation.Furthernumericalsimulationscon irmthatinternalmudwavesarelikelytobetriggeredbythebedformsandincreasedenergydissipationispresentduetothemotionofinternalmudwaves.
Figure1.a)fateofthecoastalsedimentinthecontinentalshelf.b)showstheattenuationofthewaveenergyduetoluidmuddeposits(ontheright)inCassinoBeachinSouth-ernBrazil.
perform,makingdataacquisitionandanalysiseasierandmoreef icientinpreparinglabreports.
“ThegenerousdonationbyETECandM.R.PittmanGroupishavingatremendousimpactontheeducationandtrainingofourstudents,”saidClintWillson,professor,DepartmentofCivilandEnvironmentalEngineering.“Theadditionofseveralnewapparatuses,suchastheparallelandseriespumpsystem,isprovidingmoreopportunitiesforthestudentstolearnandapplyfundamentalhydraulicsconceptsthatarecrucialinmanypartsofthestate,suchasdrainageandloodcontroloperations.”
RonaldR.E.Hebert,a1969CivilEngineeringgraduate,pledged$100,000towardtheinstallationofahydraulicslabintheCollegeofEngineering.Amatchingcontributionof$100,000wasmadebytheM.R.PittmanGroup,aMetairie,La.construction irmfoundedin2005byMichaelR.Pittman,a1983CivilEngineeringalumnus.“ThereisnobetterplacethanLSUtoinvestoureffortstofurthereducation,”saidPittman.
ThelabisnamedinhonorofETEC,amanufacturers'representativeorganizationwithexpertiseinequipmentapplicationsforwatertreatment,wastewatertreatment,solidshandling,andairemissions.
ETECwasfoundedin1995byHebert,SamuelAgnew,a1974ChemicalEngineeringalumnus,andMichaelTodd,a1979MechanicalEngineeringalumnus.
FormoreinformationcontactMimiLaValle,[email protected],225‐578‐5706.
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CEE In Focus Research Highlights
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Dr.ShengliChenjoinedtheDepartmentofCivil&EnvironmentalEngineeringatLouisianaStateUniversityasanassistantprofessorinAugust2014.HereceivedhisPhDinPetroleumEngineeringfromtheUniversityofOklahomainDecember2012,andwasaResearchPetroleumEngineerwithAramcoResearchCenteratHoustonfromFebruary2013toAugust2014.Priortothat,Dr.ChenhadbeenaresearcherintheDepartmentofCivilEngineeringatShanghaiJiaoTongUniversity,andreceivedBSandPhDdegreesinCivilEngineeringbothfromZhejiangUniversity,China.Dr.Chen’smainteachingandresearchareasareAdvancedSoil/RockMechanics,FiniteElementAnalysisinGeotechnicalEngineering,ConstitutiveModellingforGeomaterials,andTheoreticalandComputationalGeomechanics.Hisresearchisfocusedonporomechanics,pilefoundations,timedependentsoilstructureinteraction,wellborestabilitydrillingthroughshale/saltformations,andhydraulicfracturinginoilandgasindustry.Hehaspublished17internationaljournalpapersintheareasofgeomechanicsandgeotechnical/petroleumengineering,andiscurrentlyservingasanassociateeditoroftheSPEJournal.
W e l l b o r e S ta b i l i t y a n d T u n n e l E xcavat i o n A n a lys e s Maintenanceofthewellbore/tunnelstabilityisoffundamentalimportanceduringdrillingandremainsamajorconcerntodrillingengineersinthepetroleumandgeotechnicalcommunities.Intheoilandgasindustrywellborestabilitymaycausestuckpipeduetolargeboreholedeformationorevenworsethebreakoutandholeclosureasaresultofcompressiveandshearrockfailure.Itisestimatedthatwellboreinstabilitycostsanannualeconomiclossof$8billioninthepetroleumindustryworldwide.Theprevalentmethodforwellborestabilityanalysisisbasedonthelinearelasticorporoelastictheory.However,itiswellrecognizedthattherealrocksdonotbehaveinthissimplewaybutexhibithighlynonlinearplasticpropertiesabovecertainstress/strainlevels.Dr.Chen’sresearchentitled“AnalyticalandNumericalAnalysesofCavityExpansion/
ContractioninPoroelastoplasticGeomaterials”hastakencomprehensiveconsiderationofsuchimportantcharacteristicsofrealsoil/rockbehavior,anddevelopedde initivesolutionsforthisgenericclassofcavityboundaryvalueproblem,foravarietyofelastoplasticconstitutivemodelsincludingDrucker‐Prager,Mohr‐Coulomb,CamClayandboundingsurfacemodels.Theresearchhasdemonstratedthattheincorporationofplasticitymodelswouldresultinsubstantiallylessconservativeestimationofthecriticalsupportpressurerequiredtomaintaintheboreholestable,theproposedadvancedelastoplasticanalysisthereforeleadstoamuchmorecosteffectivealternativeascomparedwiththesimpleelasticmethod.Theoutcomeoftheresearchalsoallowsforthedevelopmentofacavityanalysistool,whichcanbewidelyusedintheindustryandcontributetobetterpredictionanddesignforthewellborestabilityandtunnelexcavationpracticalproblems.
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P i l e F o u n d at i o n s u n d e r C o m b i n e d L o a d s Largestructuressuchasdeep‐wateroffshoreplatforms,high‐risebridgebentsandtallbuildings,offshorewindturbinefoundationsareoftensupportedbypilefoundations.Thesepilefoundationsareusuallysubjectedtocombinedverticalandlateralloadsofconsiderablemagnitudesfromtheirupperstructures,windandwaveactions.Also,signi icanttorsionalforcescanbetransferredtothefoundationpilesduetotheeccentricityofthelateralloads.Dr.Chenhasconductedextensiveresearchonthepilefoundationsoverthepastyears.Hehassystematicallydevelopednewanalyticalmethodsforpredictingtheinteractionfactorsbetweentwoverticallyandhorizontallyloadedpiles,theeffectsonthelateralresponseofonepilecausedbytheverticalloadingon
anadjacentpile,i.e.,vertical‐lateralinteraction,thetorsional‐horizontalinteraction,andthesubsequentanalysisofpilegroupsresponsesundercombinedexternalloading.Thenewlypresentedinteractionfactorapproachhastakenintoreasonableaccountofthestiffeningeffectofthepilestothesurroundingsoil,andthusleadstomoreaccurateestimateofthepilegroupdeformationscomparedwiththeroutinepileanalysismethod.Asoneofthefutureresearchplans,Dr.Chenwillcontinuethisresearchtopicbyfurtherconsideringtheeffectofthesoilconsolidationonthepilegroupresponsesaswellastheimplementationofmoreadvancedconstitutivemodelsforthesoilstocapturethenonlinearbehaviorofthepilefoundations,bothanalyticallyandnumerically,withitsfocusontheapplicationinchallengingoffshoregeotechnicalengineeringproblems.
FA C U LT Y R E S E A R C H H I G H L I G H T : D r . s h e n g l i c h e n
