An object-oriented event-driven virtual environment (VE) for viewing the simulation results of flexible multibody systems (FMS) is developed. The VE interfaces with the following output devices: immersive stereoscopic screen(s) and stereo speakers; and a variety of input devices including, head tracker, wand, joystick, mouse, microphone, and keyboard. The VE incorporates the following types of primitive software objects: user-interface objects, support objects, geometric entities, and finite elements. Each object encapsulates a set of properties, methods, and events that define its behavior, appearance, and functions. A 'container' object allows grouping many objects into one object, which inherits the properties of its 'children' objects. The VE allows real-time viewing and 'fly-through' of photo-realistic models, vibrational mode-shapes, and animation of the dynamic motion of FMS. An application of this VE is presented for visualization of the dynamic analysis results of a large deployable space structure-NASA's Next Generation Space Telescope.
Object-oriented virtual environment for visualization of flexible multibody systems
Advances in Engineering Software ; 32 , 4 ; 295-315
2001
21 Seiten, 41 Quellen
Article (Journal)
English
Computer-Animation , Datenvisualisierung , Digitalsimulation , technische Zeichnung , objektorientierte Methode , Echtzeitsystem , virtuelle Realität , Eingabegerät , Maus (Eingabegerät) , Mikrophon , Tastatur , Benutzeroberfläche , Finite-Elemente-Methode , Animation (Bewegtdarstellung) , Raumfahrt , Joystick
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