An assembly modelling system for dynamic and kinematic analysis
Computer-Aided Design
Snap-dragging in three dimensions
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Algebraic solution for geometry from dimensional constraints
SMA '91 Proceedings of the first ACM symposium on Solid modeling foundations and CAD/CAM applications
Tools and techniques for conceptual design
Artificial intelligence in engineering design (Volume I)
Artificial Intelligence - Special volume on constraint-based reasoning
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
Gro¨bner bases: a computational approach to commutative algebra
Gro¨bner bases: a computational approach to commutative algebra
Interactive constraint-based solid modeling using allowable motion
SMA '93 Proceedings on the second ACM symposium on Solid modeling and applications
A positioning algorithm for mechanical assemblies with closed kinematic chains in three dimensions
SMA '93 Proceedings on the second ACM symposium on Solid modeling and applications
Impulse-based simulation of rigid bodies
I3D '95 Proceedings of the 1995 symposium on Interactive 3D graphics
Constraint-based 3D manipulation techniques within virtual environments
Virtual reality applications
Incremental Algorithms for Collision Detection Between Polygonal Models
IEEE Transactions on Visualization and Computer Graphics
Interactive Simulation of Solid Rigid Bodies
IEEE Computer Graphics and Applications
A Petri Net based Environment for the Design of Event-driven Interfaces
Proceedings of the 16th International Conference on Application and Theory of Petri Nets
Variational geometry in computer-aided design
SIGGRAPH '81 Proceedings of the 8th annual conference on Computer graphics and interactive techniques
A Visual Language for Non-WIMP User Interfaces
VL '96 Proceedings of the 1996 IEEE Symposium on Visual Languages
ICECT'03 Proceedings of the third international conference on Engineering computational technology
VELVET: an adaptive hybrid architecture for very large virtual environments
Presence: Teleoperators and Virtual Environments
Investigating interaction in CAVE virtual environments
ACM Transactions on Computer-Human Interaction (TOCHI)
A constraint-based system for product design and manufacturing
Robotics and Computer-Integrated Manufacturing
Using ports and joints to compose virtual prototypes of mechatronic systems in VR environment
ACMOS'06 Proceedings of the 8th WSEAS international conference on Automatic control, modeling & simulation
Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology
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Virtual environment technology is now beginning to be recognised as a powerful design tool in industrial sectors such as Manufacturing, Process Engineering, Construction, Automotive and Aerospace industries. It offers the ability to visualise a design from different viewpoints by engineers from different design perspectives providing a powerful design analysis tool for supporting concurrent engineering philosophy. A common weakness of the current commercial virtual environments is the lack of efficient geometric constraint management facilities such as run-time constraint detection and the maintenance of constraint consistencies for supporting accurate part positioning and constrained 3D manipulations. The environments also need to be designed to support the user as they are completing their task. This paper describes the software architecture of a constraint-based virtual environment that supports interactive assembly of component parts, embedded within a task based environment that supports contextual help and allows for the structure of tasks to be easily altered for rapid prototyping.