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ASTM D6033-1996(2008) 描述地下水成型准则功能的标准指南
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【英文标准名称】: Standard Guide for Describing the Functionality of a Ground-Water Modeling Code
【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】: ASTM D6033-1996(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】: code selection; ground-water; ground-water modeling; model types; software functionality; Classification; Computer model; Functionality; Ground-water model; Software--groundwater analysis applications
【摘要】: Ground-water modeling has become an important methodology in support of the planning and decision-making processes involved in ground-water management. Ground-water models provide an analytical framework for obtaining an understanding of the mechanisms and controls of ground-water systems and the processes that influence their quality, especially those caused by human intervention in such systems. Increasingly, models are an integral part of water resources assessment, protection and restoration studies, and provide essential and cost-effective support for planning and screening of alternative policies, regulations, and engineering designs affecting ground water. There are many different ground-water modeling codes available, each with their own capabilities, operational characteristics, and limitations. If modeling is considered for a project, it is important to determine if a particular code is appropriate for that project, or if a code exists that can perform the simulations required in the project. In practice, it is often difficult to determine the capabilities, operational characteristics, and limitations of a particular ground-water modeling code from the documentation, or even impossible without actual running the code for situations relevant to the project for which a code is to be selected due to incompleteness, poor organization, or incorrectness of a code''s documentation. Systematic and comprehensive description of a code''s features based on an informative classification provides the necessary basis for efficient selection of a ground-water modeling code for a particular project or for the determination that no such code exists. This guide is intended to encourage correctness, consistency, and completeness in the description of the functions, capabilities, and limitations of an existing ground-water modeling code through the formulation of a code classification system and the presentation of code description guidelines.1.1 This guide presents a systematic approach to the classification and description of computer codes used in ground-water modeling. Due to the complex nature of fluid flow and biotic and chemical transport in the subsurface, many different types of ground-water modeling codes exist, each having specific capabilities and limitations. Determining the most appropriate code for a particular application requires a thorough analysis of the problem at hand and the required and available resources, as well as a detailed description of the functionality of potentially applicable codes. 1.2 Typically, ground-water modeling codes are nonparameterized mathematical descriptions of the causal relationships among selected components of the aqueous subsurface and the chemical and biological processes taking place in these systems. Many of these codes focus on the presence and movement of water, dissolved chemical species and biota, either under fully or partially saturated conditions, or a combination of these conditions. Other codes handle the joint movement of water and other fluids, either as a gas or a nonaqueous phase liquid, or both, and the complex phase transfers that might take place between them. Some codes handle interactions between the aqueous subsurface (for example, a ground-water system) and other components of the hydrologic system or with nonaqueous components of the environment. 1.3 The classification protocol is based on an analysis of the major function groups present in ground-water modeling codes. Additional code functions and features may be identified in determining the functionality of a code. A complete description of a code''s functionality contains the details necessary to understand the capabilities and potential use of a ground-water modeling code. Tables are provided with explanations and examples of functions and function groups for selected types of codes. Consistent use of the desc......
【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

关键字: ASTM D603

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