?

Delft3D是目前宽泛使用的的三维水动力－水质模型系统，尤其是支持曲面体式。系统能很正确地进行水流（Flow）、水动力（Hydrodynamics）、波浪（Waves）、泥沙（Morphology）、水质（Waq）和生态（Eco）的推算。

?

Delft3D选取Delft推算体式，快而不变，保障质量、动量和能量守恒；并通过与法国EDF合作，Delft3D已经实现了类似TeleMac的有限单元法(Finite Elements)推算体式供用户选择；系统自带丰硕的水质和生态过程库（Processes Library），能援手用户成立起必要的？。此表，在保障守恒的前提下，水质和生态？檠∪×送窠岷系姆绞，大幅度降低了运算成本。系统实现了与GIS的链接，有强的前后处置职能，并与Matlab环境结合，支持各类体式的图形、图像和动画仿真；基于Visual Basic的用户界面很敦睦。Delft3D支持全数重要的操作系统，如Windows, Unix, Linux, Mac等。

?

?

重要机能指标:

Delft3D是3维水动力－水质模型系统，蕴含水流、水动力、波浪、泥沙、水质、生态等6个？，各？橹湓谙叨詈希╫nline dynamic coupling）；整个系统依照目前新的“即插即用（plug and play）”的尺度设计，实现盛开（OMS: Open Modelling System），满足用户二次开发和系统集成的需要。

?

利用情况：

Delft3D系统利用的已经极度宽泛，如荷兰、俄罗斯、波兰、德国、澳大利亚、美国、西班牙、英国、新西兰、新加坡、马来西亚等，尤其是美国已经有很长的利用汗青。中国香港地域从70年代中期就起头使用Delft3D系统，已经成为香港环境署的尺度产品。Delft3D从80年代中期起头在内陆也有越来越多的利用，如长江口、荆门湾、渤海湾、滇池、辽河、三江平原。此表Delft3D已经成为好多的水、环境征询公司的有力工具，如DHV、Witteven+Boss、Royal Haskoning、Halcrow等公司。?

?

?

【英文介绍】

?

Delft3D Suite

?

3D/2D modelling suite for integral water solutions

Wind, waves and currents shape our coasts. Climate change and rising sea levels add further to this pressure. To enable us to live safely along our shores, we need effective coastal and marine management. Moreover, these coastal processes do not present the only threat. We must also protect ourselves against excess river water, while on the other hand we need that water for transport, irrigation, energy, cooling, recreation, environmental protection and as a source of drinking water. Consequently, design and management procedures become more complex and require an integrated approach. Usually, a range of conflicting aspects needs to be evaluated and it is crucial that the compound impact may be surveyed from any desired viewpoint also in terms of time and space.

?

In response to this challenge, Deltares has developed powerful modelling suite software called Delft3D, focusing primarily on application in the free surface water environment.

?

General

Delft3D is a flexible integrated modelling suite, which simulates two-dimensional (in either the horizontal or a vertical plane) and three-dimensional flow, sediment transport and morphology, waves, water quality and ecology and is capable of handling the interactions between these processes. The suite is designed for use by domain experts and non-experts alike, which may range from consultants and engineers or contractors, to regulators and government officials, all of whom are active in one or more of the stages of the design, implementation and management cycle.

?

The current version of Delft3D is version 4.01.00.

?

Features

Some of the typical key features of Delft3D are:

the suite gives direct access to state-of-the-art process knowledge, accumulated and developed at one of the world’s most renowned hydraulic institutes

the Graphical User Interface (GUI) is one of the most user-friendly in the market

all programmes show a high degree of integration and inter-operability.

?

?

?

3D/2D software

Natural phenomena have inherent spatial characteristics, i.e. variations may occur in the two horizontal directions and along the vertical axis. Likewise, elementary natural processes often require a three-dimensional (3D) description, are time dependent and mostly interrelated. For instance, local hydrodynamic conditions determine the local sediment transport rates. However, the gradients of those rates determine the bathymetry, which in turn affects the hydrodynamic basis of the process. Appreciating nature’s complexity, we at Deltares have always incorporated these interrelationships into our work. And this notion has been a crucial design aspect in the development of reliable, modular 3D/2D software.

?

?

?

Programmes

Delft3D allows you to simulate the interaction of water, sediment, ecology and water quality in time and space. The suite is mostly used for the modelling of natural environments like coastal, river and estuarine areas, but it is equally suitable for more artificial environments like harbours, locks, etc. Delft3D consists of a number of well-tested and validated programmes, which are linked to and integrated with one-another. These programmes are further described separately hereafter:

D-Flow

D-Morphology

D-Waves

D-Water Quality

D-Ecology

D-Particle Tracking.

?

?

Graphical User Interface

The Graphical User Interface (GUI) is one of the most user-friendly in the market. Under the umbrella of this GUI, the programmes combine to form an exceptionally versatile, powerful and easy-to-use suite. The GUI allows the user to visualize model input, reference data and simulation results as time series and animations of one-, two- and three-dimensional data sets. The moving image of the flows in and out of an estuary, for instance, can be observed and examined in gradual, fast forward and fast backward mode. The user can also gather a wide, overhead perspective of his entire system or, by contrast, zoom in on a site of particular relevance or difficulty.

?

?

Validation

The validation of a modelling system such as Delft3D requires continuous attention. Even though the individual programmes of the suite have been thoroughly tested during their development, the suite as a whole requires intensive testing and also validation. To this end, a regular programme has been established and tests of many of the most likely combinations are continually performed. As a policy, new versions are released only after an extensive beta testing period, to ensure that our users are provided with stable and validated products.

?

?

?

System requirements

Delft3D is supported on both Microsoft Windows and Redhat/Linux.

?

Several Delft3D service packages, including fully validated high quality Delft3D distributions, are available to suit your specific needs!?

-??????? For consultancy firms, governmental organizations and research institutes worldwide we have designed our Basic Service Packages, Advance Service Packages, Professional Service Package, Premium Service Package and Enterprise Service Package.

-??????? For universities and schools, we offer our Education Service Package.

-??????? Code developers are supported with our Developer Service Package.

Designed with you in mind, they offer you your requested level of convenience.

?

Support desk

The Delft3D support desk is the user’s instantly accessible contact point for all questions and problems concerning the software. The support team answers the majority of questions instantly or ensures that a timely reply is given by one of the other Delft3D team members. All incoming queries on the programmes, current or future performance, are recorded in our professional issue tracker system. This system is an important instrument in the realisation of improvements to the programmes, the manuals and the Deltares Academy training courses. New versions of Delft3D will be released once a year to all users, as part of their service package.