ASTM D6033-1996(2008) 描述地下水成型准则功能的标准指南

作者:标准资料网 时间:2024-05-15 06:19:15  浏览:9965   来源:标准资料网

【英文标准名称】:StandardGuideforDescribingtheFunctionalityofaGround-WaterModelingCode
【原文标准名称】:描述地下水成型准则功能的标准指南
【标准号】:ASTMD6033-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:codeselection;ground-water;ground-watermodeling;modeltypes;softwarefunctionality;Classification;Computermodel;Functionality;Ground-watermodel;Software--groundwateranalysisapplications
【摘要】:Ground-watermodelinghasbecomeanimportantmethodologyinsupportoftheplanninganddecision-makingprocessesinvolvedinground-watermanagement.Ground-watermodelsprovideananalyticalframeworkforobtaininganunderstandingofthemechanismsandcontrolsofground-watersystemsandtheprocessesthatinfluencetheirquality,especiallythosecausedbyhumaninterventioninsuchsystems.Increasingly,modelsareanintegralpartofwaterresourcesassessment,protectionandrestorationstudies,andprovideessentialandcost-effectivesupportforplanningandscreeningofalternativepolicies,regulations,andengineeringdesignsaffectinggroundwater.Therearemanydifferentground-watermodelingcodesavailable,eachwiththeirowncapabilities,operationalcharacteristics,andlimitations.Ifmodelingisconsideredforaproject,itisimportanttodetermineifaparticularcodeisappropriateforthatproject,orifacodeexiststhatcanperformthesimulationsrequiredintheproject.Inpractice,itisoftendifficulttodeterminethecapabilities,operationalcharacteristics,andlimitationsofaparticularground-watermodelingcodefromthedocumentation,orevenimpossiblewithoutactualrunningthecodeforsituationsrelevanttotheprojectforwhichacodeistobeselectedduetoincompleteness,poororganization,orincorrectnessofacode''sdocumentation.Systematicandcomprehensivedescriptionofacode''sfeaturesbasedonaninformativeclassificationprovidesthenecessarybasisforefficientselectionofaground-watermodelingcodeforaparticularprojectorforthedeterminationthatnosuchcodeexists.Thisguideisintendedtoencouragecorrectness,consistency,andcompletenessinthedescriptionofthefunctions,capabilities,andlimitationsofanexistingground-watermodelingcodethroughtheformulationofacodeclassificationsystemandthepresentationofcodedescriptionguidelines.1.1Thisguidepresentsasystematicapproachtotheclassificationanddescriptionofcomputercodesusedinground-watermodeling.Duetothecomplexnatureoffluidflowandbioticandchemicaltransportinthesubsurface,manydifferenttypesofground-watermodelingcodesexist,eachhavingspecificcapabilitiesandlimitations.Determiningthemostappropriatecodeforaparticularapplicationrequiresathoroughanalysisoftheproblemathandandtherequiredandavailableresources,aswellasadetaileddescriptionofthefunctionalityofpotentiallyapplicablecodes.1.2Typically,ground-watermodelingcodesarenonparameterizedmathematicaldescriptionsofthecausalrelationshipsamongselectedcomponentsoftheaqueoussubsurfaceandthechemicalandbiologicalprocessestakingplaceinthesesystems.Manyofthesecodesfocusonthepresenceandmovementofwater,dissolvedchemicalspeciesandbiota,eitherunderfullyorpartiallysaturatedconditions,oracombinationoftheseconditions.Othercodeshandlethejointmovementofwaterandotherfluids,eitherasagasoranonaqueousphaseliquid,orboth,andthecomplexphasetransfersthatmighttakeplacebetweenthem.Somecodeshandleinteractionsbetweentheaqueoussubsurface(forexample,aground-watersystem)andothercomponentsofthehydrologicsystemorwithnonaqueouscomponentsoftheenvironment.1.3Theclassificationprotocolisbasedonananalysisofthemajorfunctiongroupspresentinground-watermodelingcodes.Additionalcodefunctionsandfeaturesmaybeidentifiedindeterminingthefunctionalityofacode.Acompletedescriptionofacode''sfunctionalitycontainsthedetailsnecessarytounderstandthecapabilitiesandpotentialuseofaground-watermodelingcode.Tablesareprovidedwithexplanationsandexamplesoffunctionsandfunctiongroupsforselectedtypesofcodes.Consistentuseofthedesc......
【中国标准分类号】:P12
【国际标准分类号】:13_060_10
【页数】:10P.;A4
【正文语种】:英语