The Study On The Modeling Technology Of Virtual Design And Its Application In The Ship Design

The development of Ship CAD has provided the powerful design means for each stage of ship design up to now, however, the present ship CAD system mainly supports to painting and analyzes according to the calculate way's construction function, it's very difficult to change ship design inside space of inner part ship relation or function construction. Facing the increasingly complicate demand of the ship, continuously change of customer need, market competition of continuously turned worse, it is very difficult for the tradition technique of ship CAD to adapt these changes, particularly in the field of the ship project to design which can incarnate the advancement and creation of ship design, also most attention to customers, the application of CAD return short, not more talk to interaction of the process of design. It is for this reason to investigate a problem-solving of path.The adoption of Virtual Reality can resolve these problems. The technique of Virtual Reality offers the environment of intercourse between people and computer, in this calculator construction that can imitate the realistic world, people can acquire the every kind of information from the interaction of the environment, furthermore, this kind of environment can replace the actual environment which wastes a large quantity of time and resources, and also can make the performance of each link of the product exploitation and design more lifelike.This paper chooses the Virtual Reality Modeling as the main topic, On the base of the current study condition of ship CAD and VR, the technique of modeling and arithmetic are analyzed and researched systematically, in order to show the important function of the application of the VR technique in the ship design, and have theoretical and practical significance. The main works are as follows:1.Aa compact and efficient method called MRM for multi-resolution modeling and arithmetic is presented, which is based on analyzing and summarizing the traditional arithmetic of TIN and setting-up-model technique.2. On the base of analyzing real-time rendering, the technique of rambling in the field of ship design scene are researched and discussed.3. A real-time rendering in the field of ship design, which is based on combination the condition of the research to real-time rendering is provided in this paper.4. A Traffic-Design-Scene Walkthrough System based on entity sculpting is presented and realized in this paper. It is used as an example to argue the legitimacy and usefulness.