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New approaches in modelling recent subrosion processes

机译:模拟最近的侵蚀过程的新方法

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摘要

In order to combine the representation of geochemical underground leaching processes in sal-inar rocks with associated time variant changes of cavern shapes, a temporal Geo-Information System (TGIS) is to be developed involving a database management system and an object-oriented process model based on Volume-NURBS (Non-Uniform Rational B-Splines) supplemented by 4D-visualisation-techniques. Different rock-types and cavities are represented as Geo-objects (free form bodies) and treated uniformly as temporal Volume-NURBS, respecting their geochemical and physical properties. In addition to thermodynamic calculations underground leaching processes in salinar rocks can be specified by solution restricting processes, e.g. recrystallisation and accumulation of insoluble substances. Within the complex system of shape changing processes uncertainties and lacking data are to be considered. For this, a fuzzy-rule based system has to be set up. Process model and data are to be managed within an information system, providing methods for time- and space-continuous representation (TGIS).
机译:为了将盐化岩石中地球化学地下浸出过程的表示与洞穴形状的相关时变变化相结合,将开发一个包含数据库管理系统和面向对象过程模型的时间地理信息系统(TGIS)基于Volume-NURBS(非均匀有理B样条曲线)并辅以4D可视化技术。考虑到它们的地球化学和物理特性,将不同的岩石类型和空洞表示为Geo-objects(自由形式的物体),并将其统一视为时间Volume-NURBS。除了热力学计算外,盐岩中的地下浸出过程还可以通过溶液限制过程来指定,例如重结晶和不溶物积聚。在复杂的形状变化过程系统中,应考虑不确定性和数据不足。为此,必须建立基于模糊规则的系统。过程模型和数据将在信息系统中进行管理,从而提供时间和空间连续表示(TGIS)的方法。

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