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| 标准名称： | 13号车钩钩锁厚度卡板 |
| 中标分类： |
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| 替代情况： | 被TB/T 1669-2004代替 |
| 发布日期： | |
| 实施日期： | 1997-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 1页 |
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所属分类： 铁路 机车车辆通用标准 机车车辆制造用设备
【英文标准名称】:StandardGuideforDocumentingaGround-WaterModelingCode
【原文标准名称】:地下水模型规程文件化的标准指南
【标准号】:ASTMD6171-1997(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:computercode;documentation;ground-watermodeling;Codedevelopment;Computermodel;Documents/documentation--waterapplications;Fieldinvestigations;Ground-watermodel;Software--groundwateranalysisapplications
【摘要】:Ground-watermodelinghasbecomeanimportantmethodologyinsupportoftheplanninganddecision-makingprocessesinvolvedinground-watermanagement.Ground-watermodelsprovideananalyticalframeworkforobtaininganunderstandingofthemechanismsandcontrolsofground-watersystemsandtheprocessesthatinfluencetheirquality,especiallythosecausedbyhumaninterventioninsuchsystems.Increasingly,modelsareanintegralpartofwaterresourcesassessment,protection,andrestorationstudiesandprovideessentialandcost-effectivesupportforplanningandscreeningofalternativepolicies,regulations,andengineeringdesignsaffectingground-water(1).Successfulground-watermanagementrequiresthatdecisionsbebasedontheuseoftechnicallyandscientificallysoundmethodsfordatacollection,informationprocessing,andinterpretation,andthatthesemethodsareproperlyintegrated.Ascomputercodesareessentialbuildingblocksofmodeling-basedmanagement,itiscrucialthatbeforesuchcodesareusedasplanninganddecision-makingtools,theirperformancecharacteristicsareestablishedandtheirtheoreticalfoundation,capabilities,andusedocumented.Goodcodedocumentationensuresscientificrigorandimplementationalqualityinthedevelopmentofacode(2).Completeandwell-writtendocumentationshortensthelearningcurvefornewusers,providesanswerstoquestionsfromprojectmanagers,andsupportsefficientcodeselection.Well-structuredandindexeddocumentationprovidesrapidanswersforinitiatedusers.Thisguideisintendedtoencouragecomprehensiveandconsistentdocumentationofaground-watermodelingcode.Earliersurveysofcomputermodelsandassessmentofspecificmodelsindicatethatthedocumentsthataresupposedtodescribeandexplainthesemodelsandtheirusearelackingindetail,inconsistentintheircontents,incompletewithrespecttouserinstructions,inefficientwithrespecttoindexingandstructure,andoftendifficulttoobtain(3).Thisstillappliestothedocumentationofmanyoftheground-watermodelingprogramsrecentlyreleasedorfrequentlyused(4).1.1Thisguidecoverssuggestedcomponentsofthedocumentationofaground-watermodelingcode.Documentationofaground-watermodelingcodeconsistsoftextualandgraphicalinformationrecordedduringitsdesign,development,andmaintenanceregardingitscapabilities,developmenthistory,theoreticalfoundation,operation,andverification.Itistheprincipalinstrumentforthoseinvolvedinitsdevelopmentanduse,suchascodedevelopmentandmaintenancestaff,networkmanagers,codeusers,andprojectmanagers,tocommunicateregardingallaspectsofthesoftware.1.2Thisguidepresentsthemajorstepsinpreparingthedocumentationofaground-watermodelingcode.Itdiscussesthevariousdocumentationaudiencesandaddressestheroleofprinteddocumentationversusdocumentationinelectronicform.1.3Thisguideisoneofaseriesofguidesonground-watermodelingcodesandtheirapplications,suchasGuidesD5447,D5490,D5609,D5610,D5611,andD5718.1.4Thisguideisnotintendedtobeallinclusive.Ifoffersaseriesofoptionsandconsiderations,but......
【中国标准分类号】:D14
【国际标准分类号】:35_080
【页数】:4P.;A4
【正文语种】:英语