Engineering Quarterly Spring 2020

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EngineeringQuarterly

Welcometothe EngineeringQuarterly, anewsletterpublished fourtimesayearby theUniversityofMary SchoolofEngineering.Weincludenews fromeachofthefiveengineeringmajorsthat wecurrentlyoffer:ElectricalEngineering, MechanicalEngineering,CivilEngineering, ComputerScience,andConstructionManagement.

2020CIVIL ENGINEERING GRADUATES

Aswithalmosteveryotheruniversityinthe world,ourspringsemesterwasdisruptedin Marchbytheonsetoftheglobalviralpandemic.Itcausedtraumatohospitals,sporting events,andcommunitiesacrosstheglobe, alongwiththeclosingofcampusesacross thecountry,includingourRomecampus,our campusatArizonaStateUniversity,andour campushereinBismarckwhereallofour courseswereimmediatelyshiftedtoanonline format.Thismeantthatwewereunableto presentourdesignprojectstothepublicaswe doeveryspringanditalsomeantthatmany ofourlaboratorycoursesanddesigncourses weredisrupted.Asaresult,ourprofessors andstudentshavehadtobeverycreativein developingwaystocompletethesecourses andensurethatthestudentsmetallofthe necessaryeducationaloutcomes.

InthisissueofEQ,weprofileourgraduating classof2020.Weinterviewedthesestudents andfindoutwhattheythoughtoftheiryears attheUniversityofMaryandalsowhatthey plantodonowthattheyarefinished.Unfortunately,theactualgraduationceremonywas canceledduetothevirusoutbreakandsowe decidedwewouldhaveourgraduatespose foraphotointheircapandgownsothatthey wouldatleastgetatchancetowearit.

WeprofileoneofourJuniorengineering projectsthatthestudentswereabletofinisheventhoughtheywereinterruptedinthe middleofit.Theydesignedabenchtoplathe. Theiractualreportwasover40pageslong andsowewillonlygiveasummaryoftheir mainresultshere.

Attheendofthisissueweprofileoneof theprojectsourfreshmanclassdidafterthe moveonline.TheyusedthedailyCOVID-19 virusdatacollectedbyJohnsHopkins’WhittingSchoolofEngineeringandwroteaBash shellscriptthatautomaticallyextractsthedata fromtheregionofinterestandplotsthenumberofConfirmedcasesovertime,thenumber ofDeaths,andthenumberofRecovered.This wasandinterestingwayforthemtotrackthe virusinrealtimeandgetsomerealworlddata analysisexperienceaswell.

TerryPilling

NoahKrebsis graduatingwithaCivil Engineeringdegree. HeisfromBismarck andwillremainin Bismarckaftergraduation.NoahhasrecentlyacceptedapositionasProjectEngineerforBartlett&West.

universityhasprovided.Ifeelthatthenew engineeringschoolisfulloftherightpeople. AlltheprofessorsthatIhavehadgenuinely careaboutthestudentsandhowtheyareimpactingthem.WhatIwillmissthemost aboutmytimeattheuniversityistherelationshipsthatIhavemadewithothersinthe school,morespecifically,theengineeringdepartment.Myadvicetoyoungerstudentsisto takeadvantageofanyopportunitiesthatyou seeinfrontofyouthroughoutyourcollege career.”

NoahKrebs

“MyyearsatMarywereexciting.Fromplayingfootball,beinginthefirstengineering class,tolifeasacollegestudent.Ihavemade someofmybestfriendshereandMaryhas givenmeagreatopportunitymovingforward. Beingthefirstgroupintheprogramwasdifficultbutitforcedmehavetoadaptorchange becauseoftheclassesofferedeachsemester. Ithasmademeabetterengineerbecauseof it.”

“Iwillmissmyclassmatesbecauseofhow closeandsmallweareandalsotheteachers. Theyreallydowantyoutosucceedhere.”

“Myadvicefortheyoungerstudentsisthis: youaregoingtohaveclassesinwhichyou struggleatorneedhelpwithbutthebiggest thingistokeepgoingandnottobediscouraged.”

LeviClagettis graduatingwithadegreeinCivilEngineering.HeisfromFlorence,MTandplansto go“whereverthewind takesme.”Atthemoment,Leviinternsfor theCityofBismarck. “Iwouldlovetopursueacareerhereandgetmymaster’sdegree soIcancontinuetolearnandcontributetothe world.TheUniversityofMaryisok,butthe engineeringdepartmentiswithoutadoubtthe singlereasonIstayed.Itwasawesomelearningwiththeprofessorsandstudents.Theengineeringschoolwasfantastic.Ilearnedmore thanIcouldveeverdreamtof.Incrediblestaff whowereabletoteachuseverythingwithout fancyequipmentandwhat-not.I’llmissthe relationshipswiththeengineeringteachers andstudents,walkingintoeveryclasswas likewalkingintothanksgivingdinnerwith thefamily.EveryclassIfeltlikewewere laughingandlearningthewholetime.My advicetothenextgenerationisnevergettired oflearning.Lastly,ahugethankyoutoyou Terry.Youweretheheartandsoulofthisengineeringprogramandwithoutyounotonly wouldInotbeanengineer,butthere’snoway UMarywouldhaveasuccessfulengineering program,ifoneatall.We’veallseenthework youputintomakingthishappenandwewill allbeforevergratefultoyou.IwishIcanreturnthefavoroneday,untilthenitwastruly anhonorknowingandlearningfromyou.”

AlexDavisisgraduatingwithaBachelor ofScienceinCivilEngineering.Originally fromSaintPaul,heis currentlyseekingajob inCivilEngineering whichwillthendeterminewhereheendsup livingasheworkstowardshisprofessional licenseoverthenextfouryears.

CalebWeisgarber

CalebWeisgarber isgraduatingwitha CivilEngineeringdegree.Heisoriginally fromHensler,North DakotaandwillbelivinginBismarckafter graduation.Calebalreadyhasajobasa graduatecivilengineer atApexEngineeringGrouplinedupforafter graduation.

“IfeelthatmytimeattheUniversityofMary hashelpedmetogrow,notonlythroughwhat Ihavelearnedinmyclasses,butalsoasa personthroughallmyexperiencesthatthe

“IspentfiveyearshereattheUniversityof MarywhereIwastaughtbymanygreatprofessorsandlearnedmorethanIwouldhave everimagined.Iwillmisslearningfromthese professorsandworkingwithfellowclassmatesondifferentprojects.Ifthereisone pieceofadviceIcangivetonewstudents,it isthatschoolwillbeoverbeforeyouknowit soenjoyeverysecondyoucan.Thankyouto

UniversityofMary
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LeviClagett AlexanderDavis

thosewhomademydreampossible.”

engineering.

IdaNarbuvoll

IdaNarbuvollis graduatingwithadegreeinCivilEngineering.Sheisoriginallyfromasmall townnamedNarbuvoll inNorwaybutshewill remaininBismarckfor twoyearsaftergraduation.Afterthatshe willlikelymovetoadifferentcityintheU.S. andpotentiallymakeherwaybacktoNorway inthefuture.

“Idonothaveajobyet,asIhaveafewthings toconsiderbeforeImakemyfinaldecision ofwhattodonextyear.UnlessIdecideto continuemyeducation,Iwillbelookingfor ajobwithinstructuralortransportationengineering.”

“ThefouryearsIhavespentatMaryhave beenveryinteresting,challenging,andfun. ThesmallcommunityofstudentswassomethingthatfitmewellandIhavetrulyenjoyedbeingapartoftheengineeringprogram,whichIfeelhavepreparedmewellfor myfuture.Iamexcitedtobeapartofthefirst graduatingclassattheUniversityofMary andIamalsoexcitedtoseehowtheprogram willexcelinthefuture.Mostofall,Iwill missallmyclassmatesandteammatesIhave spenttimewithduringthelastfouryearsof mylife.Myadvicetotheyoungerstudentsis toworkhardtoachieveyouracademicgoals andrememberthatyourclassesaresupposed tochallengeyousodon’tgiveupwhenitgets tough.Atthesametime,don’tforgettohave funandenjoyyourtimeincollege.Itgoesby somuchfasterthanyouthink!”

JacksonPenneris graduatingwithadegreeinCivilEngineering.JacksonisoriginallyfromThePas, Manitobabuthewill beremaininginBismarckaftergraduation.Hedoesnotyet haveajobbutisactivelylookingforonein civilengineeringaroundBismarck.

“ImetalotofgreatpeopleandI’mexcitedto seetheEngineeringschoolgrowoverthenext fewyears.Iwillmissseeingallofthepeople (classmates,professors,etc.)andmyadvice toyoungerstudentsistogettoknowyour professors,itwillmakeyourtimeatMarya muchbetterexperience.”

AustinKonschak isgraduatingwithadegree inCivilEngineering.Unfortunatelywewere unabletogetachancetointerviewAustinbeforewewereforcedoffcampusbythepandemic.

RobertSpadyis graduatingwithadegreeinCivilEngineering.HeisoriginallyfromMandan. andplanstolivein theBismarck/Mandanareaaftergraduation.Robertiscurrentlylookingforajob inBismarck/Mandantostartaftergraduation withafocusonstructuralortransportation

“Ispentonlymyjuniorandsenioryearat Mary,butIgottomeetmanyexcellentpeopleincludingcolleaguesandstaff.Ireally enjoyedmytimehereandIfeelthat,with theresourcesthatwehave,theEngineering Schooldidverywell.Ithinkthatintheupcomingyearsitwillbeagreatengineering school.IwillmissthepeopleImetherefor sure.ThebestadviceIcangivetounderclassmenistoactuallylearnthematerial,don’tjust rememberit.WhenyoutaketheFEandgo intotheworkforce,itwillbemucheasierif youlearneditinsteadoftryingtopieceit togetherfrommemorization.”

throughtheprogram,fromfreshmenyear tosenioryear,wewentthroughstressand sleeplessnightstogether.Despitethemental challenges,Iwillmissthosetimeswiththem. Myadvicetotheyoungerstudentsisdon’t beafraidtospeakupandaskyourclassmates questions.Youdon’thavetostrugglethrough theengineeringprocessaloneandchancesare theyarestrugglinglikeyouare.Therewill bethingsyouwillbebetteratandthingsthey willbebetterat,soworkthroughclassesas youandyourclassmatesareateam!Challengeeachotherwiththequestionsyouhave becauseitwillmakeyouallbetter.”

“MyfunnystoryisfromaprojectIsaacSaad andIdidinthermodynamicsthathadtodo withhydrochloricacidandDr.Barr,when tryingtoinduceachemicalreactionwith aluminum,filledthebeakertoohigh.This resultedintheacidoverflowingandburning hishand...Moralofthestory:makesurea chemistmessesuptheexperimentwhenthe engineerstryandruntheshow!haha.”

ColinGudereit

ColinGudereitis graduatingwithadegreeinCivilEngineering.HeisoriginallyfromRegina, Saskatchewanandis notyetsurewherehe isgoingaftergraduation–eitherBismarck orDickinson.Colin hadaninterviewwithCivilSciencelastTuesdayandwastheninvitedoutfordinnerwith themafterthat,soitisagoodsign. “IhadsomegreatyearshereandIenjoyed playingbaseballaswell.Thenewengineeringschoolisastepintherightdirection.I reallywishIcouldexperiencethebrand-new buildingformyself,butIhavetogetoutof heresometime.Iwillmissmyclassmates andthefriendshipsIhavemadewiththemr. Iwillalsomisstheprofessors.Ineverhada badoneinmytimeatMary.Myadviceisto justkeepgrindingevenwhenitgetshard,it willallbeworthit.Myfunniestmemoryis prof.Waldenmaier’slegendary‘Shockwave’ presentation”

2020MECHANICAL ENGINEERING GRADUATES

DylanLarsonis graduatingwithadegreeinMechanicalEngineering.Heisfrom Bismarckandisnot surewherehewillbe goingaftergraduation.

“TheUniversityof Marymadeitpossibleformetostayclosetohomeandfinishmy degreefasterthenIwouldhavebeenableto elsewhere.Thesmallerclasssizesreallyhelp youlearnfastersinceyoucanaskallthequestionsyouwant.TheEngineeringprogramis awesomeandwiththenewbuildingsetto openIamsureitisonlygoingtogetbetter.I amgoingtomissmyclassmates.Since,inthe smallerclasses,yougettoknowyourclassmatesprettywell.Myadvicetotheyounger studentsistotryyourhardestanddon’twait untilthelastminutewithanything.”

DylanLarson

JaradZittlemanis graduatingwithadegreeinMechanicalEngineering.Heisfrom Mandanandwillbe stayingintheBismarck/Mandanareaafter graduation.Jaradhas acceptedapositionas ProjectEngineerforBartlett&Westintheir MEPdepartment.

RebekkahKeller

RebekkahKeller isgraduatingwitha degreeinMechanical Engineering.Sheis originallyfromApple Valley,Californiaand willbelivinginSan Diegoupongraduation.Sheislookingfor acareerin3Dmodelinganddesigningofsomekind.“Perhaps manufacturingengineeringofsomekind..I justwanttocreatenewthingstohelppeople: Makethemhappy.”

“IpersonallythinkthatcompletingmydegreeatMaryhaspreparedmefortheunpredictabilitiesoftheworkforce.Ithinkthatlabs andhandsonexperiencescouldhavebeen organizedabitbetterbutIknowthatIwillbe abletoapplytheconceptstomyfutureoccupation.Iamexcitedtoseewheretheprogram willflourishandhowthenewstudentswill betaughtandsculptednowthatthere’ssome yearsundertheunderclassmenclasses.Iwill missthepeopleandtheteachers.MyclassmatesintheMechanicalEngineeringprogrambecamefamilytomeduringourgrowth

“Mydegreewaschallenging,yetmemorable.Studyingengineeringwhileplaying fouryearsoffootballisbyfarthegreatest challengeIhaveeverfacedbutIwouldn’t changeitforanything.Ineverwouldhave imaginedhowfastfouryearscouldgo.It’s unique.Smallclasssizesallowedforusto engageinawiderangeofprojectsthatforced ustothinkoutsideourcomfortzones.We consistentlyworkedwithcivilandelectricalengineeringstudentsalongwithathletic training,speechpathology,andbiomedical students.Iwasabletobuildvaluablerelationshipswithmostofmyengineeringprofessors whoallowedmetoaskquestionsandget helpwhenneeded.Iwillmissinteracting andbeingaroundmyclassmates.Withsuch asmallclass,I’vebuiltfriendshipsthatwill lastalifetime.Myadvicetostudentsisto

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JacksonPenner RobertSpady JaredZittleman

askquestionsandengagewithotherstudents. Engineeringisonlyashardasyoumakeit. Seekinghelpandsecondopinionsallowedme toreachahigherunderstandingofconcepts thatIneverwouldhavelearnedatalarger university.”

“Oneofthefunnymomentsformewassenior yearfallsemesterwhenItoldBaileyMeyer thatthehardenedsteelrodcouldnotbebent inthepressbreak.Hedidn’ttakemyadvice andaverylargewindowinthemachinewas shatteredafewmomentslater.”

BaileyMeyeris graduatingwithadegreeinMechanicalEngineering.Heisfrom Sheboygan,Wisconsinandplanstoreturnthereupongraduationwherehehasacceptedapositionwith Aldag/HonoldMechanicalasProjectManager/MechanicalEngineer.

“Icansayitwasthebestyearsofmylife hereatMary.Imetsomelifelongfriends,had greatmemoriesthatwilllastalifetime.Ilove howweareveryhandsonwithprojectsand arenotmicromanaged.I’mgoingtomissthe peoplethatIwasaroundeveryday.Everyone caredaboutme,includingtheprofessors.My adviceistostayontopofthingsandgetto knowyourprofessors.Theywillhelpifyou justtakethetimetogotalktothem.Theyare thereforyou.”

“Afunnystorytorelateisfromfirstsemester ofsenioryearIwasbendingapieceofmetal thatendedupbreaking.Whenitbrokeitshatteredawindowthatwasdirectlybehindit.I wasthetalkofthesemester!”

workearlyonthemoreyouwillbenefitinthe future.”

“Iwillalwaysrememberde-solderingmy equalizerboardprojectforaboutanhouron thedayitwasduebecauseithadn’tworked properlythedaybefore,onlytorealizethatI hadgrabbedthewrongboardandIinfactwas destroyingmyclassmate,RichardBendish’s board.Itwasagoodlaughfortheclass,Iam sorryRichard.”

AaronBalesis graduatingwithadegreeinElectricalEngineering.Heisfrom Bismarckandwillbe stayinginBismarckin hisnewjobasaCommunicationsEngineer atMontana-Dakota Utilities.

“TheengineeringschoolisawesomeanddefinitelypreparedmefortherealworldI’llmiss seeingthestudentsandfacultythatI’vegottentoknowovertheyears.Myadvicetothe youngerstudentsistorememberalwaysthat thestressisonlyatemporarysideeffect.”

“Oneofmyfunnieststoriesiswhen,right beforeafinal,professorKellywenttowrite onthewhiteboard,howeveritwasn’tawhiteboard,itwasaprojectorscreen!Getsme everytime.”

RichardBendish isgraduatingwitha degreeinElectrical Engineering.Heis fromMandanandwill beremaininginMandanaftergraduation. Richardhasaccepteda positionasaTransmissionPlanningEngineerwithMontana-Dakota Utilities.

“MyyearsatMarywe’refunbecauseIwas abletoplayfootballandstudyengineering whichisn’tapossibilityatmanyschoolsin thearea.”

machineryandmanufacturing.

“IfeltlikeIhavegrownimmenselyoverthe pastfouryears,andhavebeenwellprepared tofacethesuccessesandchallengesthatawait meaftergraduation.Thereweremomentsthat Iwishedmytimeherewouldpassquicker,but nowitseemslikeit’sendingsosoon.Ithink thatastheprogramcontinuestogrowafter wehaveleft,itwillbeoneofthetopschools inthefield.Iwillbeproudtohavehelped formitinsomewayasbeingthefirstgraduationclass.Iwillmissthechancetosee myfriendsandclassmateseveryday,andthe camaraderiewehavedevelopedinmyclass overtheyearsofhelpingandencouraging eachothertomakeitthroughtotheend.I willalsomissthesenseofcommunitythatis soprominentatthisUniversity.Myadvice totheyoungerstudentsistonotletstressor failedexamsovercomeyourgoals.Nothing worthwhileisevereasy.Andtobesure,Engineeringisnoteasy.Youwillstruggle,you willfall,butbeingabletopickyourselfup andgoatitagainiswhatwillstickwithyou andseeyouthroughtotheotherside.Also, takebreaksandhavefun.Schoolisimportant,butit’snoteverything.You’lldobetter andhavemorememoriesifyoucangetaway everyonceinawhile.”

EvanAndersonis graduatingwithadegreeinElectricalEngineering.HeisoriginallyfromKenosha, Wisconsinandplans tomovetoPhoenix Arizonawherehehas acceptedajobwith BurnsandMcDonnelldesignfirmattheir Phoenixregionalofficewithintheirnetwork integrationandautomation(NIA)team.

“DuringmytimeatMaryIwasgreatlychallengedintheclassroomandexposedtoinformationandideasthatIcouldn’thavefound anywhereelse.Iamveryluckytohavebeen abletomakemywaythroughthisprogram. Iamveryexcitedforwhatistocomefor UMaryEngineering.Iknowthestudentswill benefitgreatlyfromthenewfacilities.Iwill deeplymissthecloserelationshipsthatIwas abletobuildwithinmycourses.Theabsolute greatestbenefitofgoingtoasmallschoolis therelationshipsthatIhavedevelopedwith myprofessorsandclassmates.Foranyfuture studentsgoingintotheEngineeringprogram, yes,theworkisverydifficultandyouwill bechallengedhowevertherewardintheend ispriceless.Themoreseriousyoutakethe

PhillipSpringsteen

PhillipSpringsteen isgraduatingwitha degreeinElectrical Engineering.Heis planningoncontinuing hisstudieswithaMaster’sdegreeaftertakingayearofftowork withGeneralElectric Medicalwherehehas internedforthepastyearwhilefinishinghis degree.Phillipwasoneofthetopwrestlers ontheUniversityofMarywrestlingteamand competedverysuccessfullyattournaments aroundthecountryduringhistimehere.

JosefSollmannis graduatingwithadegreeinElectricalEngineering.HeisoriginallyfromPortAngeles,Washingtonandhe isunsureastowhere hewillbegoingafter graduation.Hehopes togotoColoradoor Montanabutdoesnotyethaveacareerposition.Hehasbeenapplyingtopositionsinthe aerospaceanddefenseindustryaswellasin

“AfunnystoryIcansharehappenedinsenioryear.Iwaswithagroupoffriendsat theirhouseintownhavingahousepartyone night.Agroupofuswereoutsidetalking anddecidingwhetherweshouldlightafireor not,sincetheyhadafirepit,aswewaitedfor morepeopletoshowup.Aswewerestandingoutside,wesawthroughthewindowthat someofourfriendshadarrivedandwalked intothekitchen.Weallcalledtothemand wavedtogettheirattentionbuttheydon’t noticeus.Thenoneofmyfriendswalked overtothewindowtotapontheglasstoget theirattentionand,thenextthingweknow, hevanishedintothinairrightinfrontofour eyes.Weweredumbfoundedforaminute untilweheardhisvoiceswearingupastorm fromsomewherebythewindow.Uponinvestigation,wefoundoutthathehadforgotten therewasawindowwellrightunderneaththe kitchenwindowandhehadfalleninashe reachedouttotapontheglass.Wewereall laughingsohardwealmostcouldn’tpullhim outofthere.Wefishedhimoutstilllaughing andproceededtotellhimeveryonewhowas insideexactlywhathappened.Itwasagood time.”

JacobLantzis graduatingwithadegreeinConstruction Managementwitha CISminor.Heis orginallyfromDickinsonandwillbeliving inNorthDakotaafter graduationdepending onthejob.Heintendstointendstoapplyto allthemajorfirmsinthestate.

“DuringmytimeatMaryImadefriendswith

VOL.II...No.3 EngineeringQuarterly SPRING2020 3
BaileyMeyer 2020ELECTRICAL ENGINEERING GRADUATES EvanAnderson AaronBales RichardBendish JosefSollmann 2020CONSTRUCTION MANAGEMENT GRADUATES JacobLantz

peersinrelatedmajorsandthisuniquesituationhelpedmelearntobeabletodevelop crossdisciplinaryfluency,whichistalking todifferentpeopleontheirleveltoincrease understanding.Ihavenodoubtthatthiswill continuetobeusefulinmycareer.Thefirst semesterIwasintheengineeringprogram wasrough,asonemightexpectfromstarting aprogramfromessentiallyscratch.Overthe years,Idefinitelyfeelthatitfoundit’sstride, witheachprogressiveyearhavingfewerkinks thantheoneprevious.Iamconfidentthatthe EngineeringSchoolwillcontinuetogrowand becomeacornerstoneoftheUniversity.We havebeenmovedaroundseveraltimes,from HMCtotheoldgym(machineshop)and thenintotown,withourfinalhomestillunder construction.Ifeelthatthisadversitywas overcomeasadepartmentwithbothstudents andprofessorsandhasbroughtusclosertogetherwithafeelingofacommonlevelrather thananuntouchableprofessoronapillarand ushaplessstudents.Itwasmypeersthat mademytimeattheuniversityinterestingas wellasthecolorfulinstructorsthatarewilling toconversewithstudentsandnotbealoof.

MyadvicetotheyoungerstudentsistoWork hard,butnottoohard.Almostanyproblem getseasiertotackleifyouhaveagoodsense ofhumor.”

“IrememberinwhatIthinkwasmymechanicsofmaterialsorstructuraldesignclass.Our finalprojectwastodesignandbuildatruss bridgeoutof1x2’sandplywoodtospana10 footgap.Astheprojectwenton,Prof.Eric Garciaapparentlygotnervousaboutstandingonthemasoneofthetestsbecausehe gaveusmorematerialseverytimewemet, frommorelumberandthickerplywoodto adhesive.Whentestingdaycame,allthree ofthebridgespassedtheirtests.Apparently unsatisfied,Prof.GarciacalledProf.Waldenmierintowalkacrossthem.Hehadseen usdosomeassemblythemandwasclearly nervousashecrossedtheminthesameway a80yearoldgrandmotherwalksacrossice onthewaytochurchonSunday;onetoeat atime.Prof.Waldenmierwasn’tcompletely throughwithhisordealwhenDr.Pillingcame inandwantedtocross.Insteadofcaution,he skippedacrossthebridges;withthedecksand structurespoppinglikepopcornandcracking likewhips.Icanalmostguaranteethateveryonewatchinghadheldtheirbreathuntilhe madeitacrossthethirdbridge.Nobodyfell, allthreebridgessurvived,itwasagoodday.”

andfutureUniversityofMaryengineering students.WiththeadditionofthenewConstructionManagementworkshop,students willbeabletogetahands-onteachingexperienceduringtheirrelevantcoursework. Theengineeringschoolwasdesignedwith theideainmindofcreatingaprogramthat isamongstthebestinthecountry.Adding thistothealreadyrichcultureoftheuniversity,theengineeringschoolwillbesecond tonone.Iwillalsomissbeingamemberof thetrack&fieldteamandcompetingforthe UniversityofMary.GOMARAUDERS!!”

WilliamKarreris graduatingwithadegreeinConstruction Managementaspart ofthefirstgroupof Constructionmanagementgraduatessince itbecamepartofthe SchoolofEngineering. WewereunabletointerviewWilliambefore thepandemichit.

Thedesignconsiderationsincludedhowto selectanappropriatemotorsize,ensure properalignmentofcomponents(suchas ofthecarriage)anddesignofcriticalcomponentsagainststaticandfatiguefailures.

JUNIOR MECHANICAL ENGINEERING DESIGN PROJECT

ThreeofourjuniorMechanicalEngineeringstudentssubmittedadesignprojectthis semesterfortheirEME323 DesignofMachineComponents coursewhichconsistedof thedesign,testing,andfabricationofafunctionalbenchtoplathe,fabricatedforunder $300.Hereisthefirstpageoftheirreport (whichwas41pageslong):

Failureanalysesusedanalytic,numerical,and FEM-basedmethods.Thedesignwasconductedina3DCADsystemanddetailed drawingsweregeneratedforsomecomponentsinaccordancewithASMEY14.5.

Unfortunately,thefabricationwasinterruptedbytheCOVID-19pandemicand sotheyfinishedtheworkonthesimulations,drawings,andtheprojectreport fromhomewheneverythingshiftedonline.

ShenleyAllen

ShenleyAllenis graduatingwithadegreeinConstruction Management.He isoriginallyfrom Kingston,Jamaicaand willbelivinginBismarckaftergraduation.Hecurrentlyhas a6monthCo-opopportunitywithBraunIntertecCorporationwhichwillcontinueafter graduation.

“MyfouryearsattheUniversityofMary seemtoallwentbysoquickly,butIenjoyed everymomentbeingastudentandanathleteofthisgreatschool.Createdmemories thatwilllastforever.Thenewengineering buildingwillbeofgreatbenefittothecurrent

TheiranalysisincludedsimulationsinAutodesk,CADdesignsofeachoftheirmachine componentsaswellasstresstesting.They performedthebackgroundresearch,ideation, andselectionanddevelopmentofcomponents andsubsystemsbasedonneededfit,form,and functiontomeetperformancerequirements.

Theactualfabricationofthebenchtoplathe willbecompletedwhenthestudentsreturnto campusinthefallwheretheywillgettowork inourbrandnewseniordesigncenterwith thefullymodernmachineshopequipmentat theirdisposal.

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WilliamKarrer

MountainPlainsLLC.Bismarck

MountainPlains,LLC,withlocationsinWatfordCityandBismarck,isacompanywhich doesbusinessacrosswesternNorthDakota onprojectsrangingfromsurveyingtooil andgaspipelinemappingandutilitylocating.ThecompanynamedtheUniveristyof MarySchoolofEngineeringFluidDynamics Laboratorywhichisnowcalledthe Mountain PlainsFluidDynamicsLaboratory

“MountainPlains,LLC,wasincorporated in2009andcutourteethinthedistribution powerlinedesignindustryforelectricalcooperativesinwesternNorthDakota.Theindustrystandardsmigrated,anditledtousneedingProfessionalLandSurveyingtobeadded toourcompanyportfolio.Duringthatsame time,wesawaneedfromcurrentandpotentialcustomersforUtilityLineLocationserviceswhichwasalsoaddedtoourcompany portfolio.Inthebeginningof2018MountainPlainsLLCdecidedtobringCivilEngineeringservicestoourcompanyoutofa desiretoofferawidevarietyofserviceslocallytoBismarckareaandacrossthestate ofNorthDakota.Engineeringhasenabled MountainPlainsLLCtofurtherouralready strongconnectiontotheUniversityofMary andgivesourcompanyafantasticopportunitytorecruittheexemplaryyoungmen andwomenoftheengineeringdepartment.” www.mtnplains.com

SPRING CAREERAND INTERNSHIP FAIR

EveryspringtheUniversityofMaryhosts acareerandinternshipfairwherecompanies cometocampusandtalktoourstudentsabout opportunitieswiththeirfirms.Ourstudents arrivewithresum´esandpreparedtointerview witheachpotentialemployer.Thisyearwe hadthefollowingengineeringrelatedcompaniesspeaktoourstudents.

thedriven,client-focusedattitudesofour employeesarewhatmakeBartlett&West great.Webelieveinbuildingabettercommunityforastrongertomorrow,andbelieveinbuildingouremployeesthrough positiveandcollaborativeworkenvironments,volunteerism,continuingeducation, andexposuretothelatestindustrytrends. www.bartlettwest.com

Ackerman-Estvold,Minot

Description: Ackerman-Estvoldisafullservicearchitecturalandcivilengineeringconsultingfirmservingclientsonprojectsrangingfrominitialplanningtocloseoutandeverystepinbetween.Ourexceptionalteam iscomposedofhighlyexperiencedindividualswithacomprehensiveknowledgeofall aspectsofarchitectureandcivilengineering. www.ackerman-estvold.com

AvailablePositions: CivilengineeringIntern inMinotandWilliston.

AvailablePositions: ProjectEngineer,EngineerTechnician,SurveyTechnician,ConstructionTechnician.

BasinElectricPowerCooperative, Bismarck

ApexEngineeringGroup,Bismarck

Description: Apexprovidesconsultingengineeringservicestopublicandprivateclients intheareasofdrinkingwater,wastewater,waterresources,andtransportation.Wearealso themunicipalengineerforseveralcommunities.Ourelectricalengineersprovideconsultingengineeringservicestomanyindustriesin theregion. www.apexenggroup.com

AvailablePositions: Apexwillbelookingat bothfulltimeandinternshippositionsincivil engineering,andpotentiallyelectricalengineering.

Description: Asoneofthelargestpowersupplycooperativesinthenation,weworkhard toproduceaffordable,reliablepowerforour 141memberelectriccooperative.Together weprovideelectricityto3millionmemberconsumersinninestates.We’reproudto callNorthDakotahome,butwealsoemployeepeopleinSouthDakota,Wyoming, NebraskaandMontana.Ourdiverseenergy portfolioincludesnaturalgas,coal,wind,hydro,oil/diesel/jetfuel,nuclear,alongwith purchasedpower. www.basinelectric. com

AvailablePositions: InternshipsandFull TimeEmploymentopportunities.Pleasestop byforafulllistofcurrentopenings.

TheCEOofMountainPlains,TonyWood, hostedtheSeniorlevelengineeringstudentsat hisBismarcklocationonTuesday,November 5thandpresentedthemwithaproblemthat hiscompanyisworkingonrelatedtotheiroil fieldbusiness.Tonywashopingthatsome ofthestudentswouldchoosetotacklethe problemfortheirseniordesignprojectinthe springsemesterof2020andoneofthegroups tookiton.Theybuiltadevice,rantests, wrotecomputerdatacollectionsoftware,designedcomputersimulations,andcompleted theproject.Ican’tgointofurtherdetailssince thatinformationisproprietarytothecompany –butitisgreat!Weencouragecompanies tosuggestproblemsandprojectsthatourstudentscanworkonfortheirdesignprojects.It ismoreinterestingforthestudentsanditalso allowsthemtoshowtheworldhowcreative theyare!

BarrEngineeringCo.,Minneapolis,MN

Description: Barrisaconsultingcompany thatintegratesengineeringandenvironmentalexpertisetohelpclientsdevelop,manage, process,andrestorenaturalresourcesaround NorthAmericaandaroundtheworld.We havebeenemployeeownedsince1966and traceouroriginstotheearly1900’s.Today,wehaveover800employeesaroundthe U.S.andCanadawhoworkwithclientsin themining,power,fuels,public,andmanufacturingsectors,aswellasattorneys,developers,andotherswithcomplexproblems. www.barr.com/careers

AvailablePositions: Pleasevisitourwebsite forafulllistofouropenpositions.

BNICoal,Bismarck

Description: BNICoalisalignitecoal minelocatedinCenter,NorthDakotawww. bnicoal.com

Bartlett&West,Bismarck

Description: Growingcommunities,together.Sincethefirmwasfoundedin1951,

CityofBismarck,Bismarck

Description: TheCityofBismarckemploys over1000employees,bothfullandparttime. Weofferawidearrayofjobswithexcellent benefits

Availablepositions: Engineering,Technology,andAirportinternshipswillbeavailable.

VOL.II...No.3 EngineeringQuarterly SPRING2020 5 M
PROJECT
OUNTAIN PLAINS SENIOR DESIGN

CityofMandan, EngineeringDepartment, Mandan

Description: TheCityofMandan,hometo 22,519peopleatlastestimate,isacityonthe grow.Over20%growthsince2010infact. ThecityofMandanneighborsBismarckto theWest,thoughwearenextdoor,theMissouriRiverthatseparatesusrequiresustobe independentwhenitcomestomostofourinfrastructure.Forexample,Mandanhasaseparatewatertreatmentfacilityandtheplanning andengineeringdepartmentplansforand overseesalloftheCity’sinfrastructurecapital improvementprojectssuchasnewconstructionofroadwaysandundergroundpiping,sizableroadwayandundergroundpipereplacementprojects,waterdistributionandwastewatertreatmentfacilityupgradesandexpansion.Weselectconsultingengineersbasedon theirqualificationsonaperprojectbasisand overseetheireffortsthroughoutonanygiven project. www.cityofmandan.com

AvailablePositions: Summerinternshipfor engineeringmajorswithapreferencefora CE.

HoustonEngineering,Bismarck

Description: Despiteourname,HoustonEngineering,Inc.(HEI),isnotbasedinHouston,TX,butrathernamedafterourfounder GeorgeHouston.HEIfirstopeneditsdoors asacivilengineeringandsurveyingfirmin 1968,inFargo.Sincethattime,wehave expandedourcapabilities,ourstaff,andthe geographicareaweserve.Wenowprovidea fullrangeofcivilengineering,environmental, planning,andtechnologicalconsultingsolutionsforclientsacrosstheUnitedStates.

AvailablePositions: CivilEngineeringIntern (BismarckandFargo),CivilEngineer(Municipal)FargoFT,EntryLevelTransportationEngineerFT0-3yrs,CivilEngineering TechnicianGrandForksFT5+yrs,EnvironmentalScientist/EngineerMapleGroveMN FT15+yrs,SeniorTransportationEngineer MapleGroveMNFT10+yrs,Transportation EngineerMapleGroveMNFT5+yrs,WaterResourcesEngineer(experienced)Maple GroveMNFT10+yrs,CivilEngineering InternMinot,CivilEngineeringTechnician MinotFT5+yrs,CivilEngineeringTechnicianSiouxFallsSDFT5+yrs,SeniorTransportationEngineerSiouxFallsSDFT8+yrs, TransportationEngineerSiouxFallsSDFT 4+yrs. www.houstoneng.com

KnifeRiverCorporation,Bismarck

Description: WeareoneofthelargestconstructionmaterialsandcontractingcompaniesintheUnitedStates,astatuswe haveachievedthroughthehardworkofour 5,600teammembersandtheloyaltyofour manycustomers.Aspartofourcommitmenttoouremployeesandourcustomers, weadheretoourCoreValuesofPeople, Safety,QualityandEnvironmentCompliance. www.kniferiver.com

MDUResourcesGroupInc.,Bismarck

Description: Weprovidevalue-addednaturalresourceproductsandrelatedservices thatareessentialtoenergyandtransportation infrastructure.MDUResourcesGroupInc. isamultibillion-dollarcorporationwithmost ofourbusinessesheadquarteredinBismarck, NorthDakota,butoperationsandcustomers acrossthecountrywithbusinessin44states. Since1948,ourstockhasbeentradedonthe NewYorkStockExchangeunderthesymbol MDU.Montana-DakotaUtilitiesCo.generates,transmitsanddistributeselectricity anddistributesnaturalgasinMontana,North Dakota,SouthDakotaandWyoming.These operationsalsosupplyrelatedvalueadded services. www.mdu.com

DoosanDigitalInnovation America,Bismarck

Description: DoosanDigitalInnovation America,LLC(DDIA)istheprimaryIT sharedserviceproviderfortheDoosanaffiliatesinNorthAmerica.Theircustomer portfolioincludesDoosanFuelCelllocated inSouthWindsor,CTandDoosanBobcat CompanylocatedinWestFargo.DDIAisthe NorthAmericanpresenceoftheSouthKoreanbasedDoosanDigitalInnovationentity. DDIAaspirestoprovidecost-effectivetacticalsupportandbusinessanalystexpertiseto ourcustomers.Theorganizationiscomprised ofthreeteamswhoarefocusedoninfrastructuresupport,operationssupportandapplicationsdelivery.Othercompanyemployees includebusinessanalystswithstrongtiesto theDoosanbusinessunitswesupport. www. doosandigitalinnovation.com/en

AvailablePositions: ApplicationDeveloper Co-op,BusinessSystemCo-op,Information TechnologyCo-op,ComputerInformation/ManagementInformationSystemsmajors.

KilldeerMountainManufacturing, Dickinson

Description: KilldeerMountainManufacturingisanaerospaceelectronicscontract manufacturingcompanycommittedtoour employees,communities,country,andthe familiesweemployandserve.WeoperateoutofKilldeer,Dickinson,andHettingerNorthDakotaandproduceproduct forcommercialandmilitaryaerospaceapplications.OurcustomersincludeBoeing, LockheedMartin,andRaytheon,toname afew.KilldeerMountainManufacturing’s founder,DonHedger,hasbeendedicatedto creatingdistinguishedcareeropportunitiesin southwestNorthDakotasince1987.Come joinourteaminthisprestigiousandunique industry. www.kmmnorthdakota.com

OurMission: Developacompany-wideenvironmentthatpromotesthedevelopmentofan attitudeofexcellencethatsatisfiessupplier, co-worker,andcustomerneedsthefirsttime. OurVision: Createandsustainameaningful, empowering,andsafeworkenvironmentthat encouragesindividualownershiptocontinuallyimproveonesworkwhiledoingthework. AvailablePositions: Engineering-lookingfor electrical,industrial,mechanical,engineering management,qualityengineers.

MooreEngineering,Inc.,Fargo

Description: MoreEngineering,Inc.is anemployeeownedCivilEngineering& LandSurveyingfirmwithlocationsthroughoutNorthDakotaandMinnesota. www. moorenegineeringinc.com

AvailablePositions: InterestedinCivilengineeringstudents.

NISC,Mandan

Description: NationalInformationSolutionsCooperative(NISC)isaninformation technologycompanythatdevelopsandsupportssoftwareandhardwaresolutionsforour Member-Ownerswhoareprimarilyutility cooperativesandtelecommunicationscompaniesacrossthenation.NISCisanindustry leaderprovidingadvanced,integratedITsolutionsforconsumerandsubscriberbilling, accounting,engineering,&operations,as wellasmanyotherleading-edgeITsolutions. Today,morethan20millionconsumersin

VOL.II...No.3 EngineeringQuarterly SPRING2020 6

all50states,AmericanSamoa,Palau,and Canadareceiveutilityortelecommunicationsservicesfromcompaniesutilizingour advancedinformationtechnologysystems. www.nisc.coop

AvailablePositions: Internships,FTSoftwareDevelopment,ProjectManagement, SoftwareSupport,TechnicalSupport,Networking,Cybersecurity.

STUDYINGTHE COVID-19VIRAL PANDEMIC DATA ByTERRYPILLING

NorthDakotaDepartmentof Transportation,Bismarck

Description: OriginallycalledtheState HighwayDepartment,theNorthDakotaDepartmentofTransportation(NDDOT)was establishedin1917.TheNDDOTstrives tobuildandmaintainasefficienttransportationsystemconsistingofabout8,518miles ofroadwayand4,858bridges.Itoversees thedevelopmentofsurfacetransportation includinghighways,bridges,rail,transit, pedestrianandbicyclepathsacrossthestate. www.dot.nd.gov

AvailablePositions: TransportationEngineerConstructionEngineeringTechnician EngineeringTechniciansummerinternship. WeareinterestedinseeingCivilEngineering, ConstructionManagement,ElectricalEngineering,andMechanicalEngineering.

CSSECOVID-19PandemicDashboard Asweallknow,theworldwasturnedupside downthisyearwhenaglobalviralpandemic startedinWuhan,Chinaandthenquickly spreadaroundtheworldoverthenextfew months.

Inthisarticlewedescribeanassignment completedbyourfreshmanengineeringstudentsintheirENR210course.Theystudiedtheriseandfallofthepandemicinreal timeusingcomputershellscriptsalongwith datacollectedbyTheJohnsHopkinsUniversity’sCenterforSystemsScienceandEngineeringlocatedintheirWhittingSchoolof Engineering.TheCSSEcreatedadashboard totracktheoutbreakaroundtheworldalong withanassociatedGitHubrepositorycontainingtherawdata.Thegithubdatacan befoundhere: https://github.com/ CSSEGISandData/COVID-19 andcanbe clonedordownloadedfromthelinkprovided there.

Inordertofollowalongwiththisarticle usingyourowncomputeryousimplyneedto downloadtherawworlddatahereinthedata folders.TheCSVfilesthatwewillbeusing arecalled:

the -1 optionmeansitwillprintoutonly1 linefromthetopofthefile.Now,ratherthat simplyprintingthetoplineofthefiletothe screen,wewouldliketoturnitintorowsof dataandputitinafile.Sowecreateacommand pipeline andweuseapipe | todirectthe outputoftheaboveintotheprogramcalled AWK.Ifyouhaveneverheardof awk you shouldgoogleit.ItissimilartoPERL inthat itisusedtomanipulatedata.Wetell awk that thedatafileseparatorisacommawiththe -F , optionandthenweruna for loopfrom5 tothenumberoffieldsintheline, NF printing outthecolumnnumberedbytheloopvariable i.Thereasonwestartatcolumn5isbecause thefirstfourcolumnsaregeographicdataand notdates.Finallyweusetheredirection, >,to redirecttheoutputtoafilecalled date.dat whichwillthencontainarowforeachdate. HereisthecompleteBashcommand:

head-1

time_series_covid19_confirmed_global.csv

|awk-F,’{for(i=5;i<=NF;i++)print$i}’ >date.dat

Notethatalloftheaboveshouldbeonasinglelineandnotthreelinesasshown.Thatwas onlydonetomakeitfitinthetexthere.

Nowlet’screateafilewithjustnumbers withnumber1beingJanuary20,2020and numberingthedays.Thiswillhelpuswith furtheranalysislater.

seq1$(catdate.dat|wc-l)>numbers.dat

Nowlet’sgettherowcorrespondingto Hunanusing cattime_series_covid19_confirmed_global.csv

|grepHunan

|awk-F,’{for(i=5;i<=NF;i++)print$i}’ >confirmed.dat

NDNationalGuard, Bismarck

Description: NorthDakotaNationalGuard exceptionaleducationandcareerenhancing benefits.

AvailablePositions: Electronics,communications,dieseltechnicians,cybersecurity,law enforcement,andengineering

time_series_covid19_confirmed_global.csv time_series_covid19_confirmed_US.csv time_series_covid19_deaths_global.csv time_series_covid19_deaths_US.csv time_series_covid19_recovered_global.csv

Ifyoudownloadthethreeglobalfiles1,and youhavealinuxcomputerrunningtheBash shell,thenyoushouldbeabletorepeateverythingwewillbedoinginthisarticle.

Letusbeginwiththeconfirmeddata.If youexaminethedatafilewithaspreadsheet programorwithatexteditorlike vim or notepad youwillseethatthedataisgiven inlinesoftheform:

whereweusedtheregularexpressionsearch program GREP toextractthelinecontaining thesearchterm Hunan andweredirected theoutputtoafilecalled confirmed.dat Thiswon’tworkfordatathatcontainsa commainthename(suchas”Washington, D.C.”forexample)because awk usescommasastheseparatorbetweendatacolumns. Youwillhavetodesignabetterregularexpressiontosendto grep ifyouwanttomake thecodemoreversitileandabletohandle thosecases.

Let’snowdothesamethingforthefile containingthedeaths

cattime_series_covid19_confirmed_global.csv |grepHunan |awk-F,’{for(i=5;i<=NF;i++)print$i}’ >deaths.dat andthefilecontainingtherecovered cattime_series_covid19_confirmed_global.csv |grepHunan |awk-F,’{for(i=5;i<=NF;i++)print$i}’ >recovered.dat

Nowwehave5filesandwecan paste them togetherintoafinaldatafile, hunan.dat, asfollows:

Steffes,Dickinson

Description: Steffesisalean-operatingoriginalequipmentmanufacturerheadquartered inDickinson,NorthDakotawithadditional manufacturingfacilitiesinGrandForks, NorthDakota.Wespecializeinsteelfabricationandelectricalservicesforavariety ofdiverseindustries,includingoilandgas, contractmanufacturingandelectricthermal storage. www.steffes.com

AvailablePositions: Manufacturing Engineer-Internship&FullTime,Product DesignEngineer-Internship&FullTime, HumanResourceIntern-Internship,BuyerInternship&FullTime.

Province/State,Country/Region, Lat,Long,1/22/20,... wherethedatesbeginonJanuary22,2020and continuewithacolumnforeachsubsequent day.Thefileisupdatedeachdaybyanewcolumnofdataadded.Wewouldliketoturnthe rowsintocolumnssinceweareinterestedin graphingthedata.Toformatafileforgraphingwith Gnuplot wewouldlikeacolumnof datesandthencolumnscontainingthedatafor theregionorcityweareinterestedinviewing. WewillusetheHunanregionofChinaasour examplesincethatwastheoneoftheregions firsthitbythevirus.Itwillshowmoreofthe progressionsincetheyaremorethanamonth furtheralongintheoutbreakthantherestof theworld.Letusstartbyextractingthetop rowofthefilewhichcontainsallofthedates. WedothisbyusingtheBashcommandcalled head whichprintsoutthetoplinesofafile:

head-1

time_series_covid19_confirmed_global.csv

pastenumbers.datdate.dat confirmed.datdeaths.dat recovered.dat>hunan.dat

HereisaGNUPLOT scriptthatwillplotthe datainthefilewejustcreated:

Hunan.gnuplot

set termx11

settitle ”HunanCOVID 19Apr

09,2020”

setxlabel ”Date”

setylabel ”Infected”

setkey topleft

setxdatatime

settimefmt ”%m/%d/%y”

setformat x”%m/%d”

plot ”Hunan.dat”u2:3wllw2 t”HunanInfected”, \

VOL.II...No.3 EngineeringQuarterly SPRING2020 7
1Clickonthemandthenclickon‘raw’andthenright-clickandsaveas.Orjustusegitandclonethewholerepository

”Hunan.dat”u2:4wllw2t” HunanDeaths”, \ ”Hunan.dat”u2:5wllw2t” HunanRecovered” Noticethatweuse

tomakesurethat gnuplot knowsthatthe formatofthe x dataisdatesandtoputthe monthanddayasthelabelsonthe x-axis. HereistheresultingplotoftheHunandata:

Hunan-logistic.gnuplot

set termx11

settitle ”HunanCOVID 19Apr 09,2020(Logisticfit)”

setxlabel ”DayssinceJan20, 2020”

setylabel ”Infected”

setkey topleft

setxrange [0:88]

r=0.222082

K=567220

N=0.507348

x0=320.555

f(x)=x0 ∗K/(x0+(K x0) ∗ exp ( r ∗ (x N))) fit f(x)”Hunan.dat” using 1:3 viar,K,N,x0 plot ”Hunan.dat”u1:3wpoints t”HunanInfected”,f(x)w lt”logisticfit”

andhereistheresultinggraph

generate-data.sh

#!/bin/bash

if [$ # ne1];then echo ””

echo ”USAGE:$0Region”

echo ”” echo ”Example:$0

Hubei”

echo ”Example:$0 \ ”

CostaRica \ ””

echo ””

exit

fi region=$1 date=$(date’+%b%d,%Y’)

head 1Data/time ∗ confirmed global.csv | awk F,’ { for (i=5;i <=NF;i ++)print$i } ’ > date.dat days=$( cat date.dat | wc l) seq1$days > numbers.dat

cat Data/time ∗ confirmed global.csv | grep”ˆ,$region,” | awk F ,’ { for (i=5;i <=NF;i++) print$i } ’ > confirmed.dat

Wewouldliketonotonlyexplorethedataas ithasoccurred,wewouldalsoliketodevise somemathematicalmodelsthatcanbeused topredictwhatitwilllooklikelater.There aremanysophisticatedmodelsthatareused instudyingviralepidemiology,butwewill justlookatthesimplestpossibleonewhichis theLogisticEquation.Thisequationappears instudiesofpopulationgrowth,bacteria,economics,andviruses.TheLogisticEquationis thefollowingdifferentialequation:

dx

dt = rx 1 x K

where x isthepopulationasafunctionof time, r isthegrowthrate,and K isthecarryingcapacity.Thisisafunequationtosimulatewithacomputerprogrambysimplyrunninga for loopovertimeand,ineachtime step,youjustlet x = x + rx(1 x/K)dt, andplottheresults.Wewon’tbesimulatingit here,insteadwewilljustfitourdatatothelogisticequationusing gnuplot curvefitting andseeifwecangetafit.Thenwecanuse thefitparameterstopredictthenumberofinfectedexpectedinthefuture.Tothisendwe need x(t) whichmeansweneedtointegrate theabovedifferentialequation.I’msureyou allrememberhowtodothisright?Haha.Well youjustseparatevariablesandthenusethe methodofpartialfractions(googleit!)theresultis:

x(t)= x0 K x0 +(K x0 )exp( r(x N ))

where x0 istheinitialinfectedpopulationand N isaconstantshiftthatwewillfindbyfitting tothecurve.Ingnuplotwecanfitthedatato aLogisticcurveusing:

f(x)=x0*K/(x0+(K-x0)*exp(-r*(x-N))) fitf(x)Hunan.datu1:3viar,K,N,x0 plotf(x)wlt"logisticfit"

ThecompleteGNUPLOT scripttogenerate thefitisgivenasfollows

Wecanperformalloftheaboveina userfriendlywaybycombiningitallinto ashellscriptandthenmakingthescript executablewith chmod+xscriptname Wecanthenhaveausersuppliedcommandlineargumentstatingwhichregion theywouldliketostudyso,forexample, theaboveHunanresultwouldbegeneratedbytyping: ./generate-data.sh Hunan anditwouldcreateallthedata files,createtheGNUPLOT script,andfinally plotthegraph.Forexample,ifyoutype ./generate-data.shHunan youget theabovegraphscurrentasoftoday.

HerearetheresultsrunfortheUSusing ./generate-data.shUS

cat Data/time ∗ deaths global. csv | grep”ˆ,$region,” | awk F,’ { for (i=5;i <=NF; i++)print$i } ’ > deaths. dat

cat Data/time ∗ recovered global.csv | grep”ˆ,$region,” | awk F ,’ { for (i=5;i <=NF;i++) print$i } ’ > recovered.dat

pastenumbers.datdate.dat confirmed.datdeaths.dat recovered.dat > ”$region”. dat

rmnumbers.datdate.dat confirmed.datdeaths.dat recovered.dat

echo ”settitle \ ”$regionCOVID 19$date \ ”” >> ”$region”. gnuplot echo ”setxlabel \ ”Date \ ”” >> ” $region”.gnuplot

echo ”setylabel \ ”Infected \ ”” >> ”$region”.gnuplot

echo ”setkeytopleft” >> ” $region”.gnuplot

echo ”setxdatatime” >> ” $region”.gnuplot

echo ”settimefmt \ ”%m/%d/%y \ ”” >> ”$region”.gnuplot echo ”setformatx \ ”%m/%d \ ”” >> ”$region”.gnuplot echo ”plot \ ”$region.dat \ ”u 2:3wllw2t \ ”$region

Infected \ ”, \\ ” >> ”$region” .gnuplot echo ” \ ”$region.dat \ ”u2:4wl

lw2t \ ”$regionDeaths \ ” , \\ ” >> ”$region”.gnuplot echo ” \ ”$region.dat \ ”u2:5wl

lw2t \ ”$regionRecovered \ ”” >> ”$region”.gnuplot

gnuplot p”$region”.gnuplot

ContactInformation

Finally,hereisthesourcecodeforourBash shellscriptwhichautomaticallydoeseverythingaboveincludingcreatingtheGnuplot scriptsandevenplottingthem.Giveitatry!

Ifyouwouldlikemoreinformationaboutourengineeringprogramat theUniversityofMarypleasesend anemailtoEngineering@umary.edu. ThankyouforyoursupportandforbeingpartofourUniversityofMarycommunity.Nextissue:August,2020.

VOL.II...No.3 EngineeringQuarterly SPRING2020 8
setxdatatime settimefmt"%m/%d/%y" setformatx"%m/%d"

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