第四代设计（4GD）管理系统的优势

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4GD has several advantages over previous generations of data management systems:
; X0 n; f0 c( H+ @+ _& s; }* m• Flexible organization of design data
The collaborative design content can change dynamically as the design evolves.
- z8 [$ r$ O3 ]2 f+ Q# C: s9 A. BDesigners are not limited to viewing the product in predefined subassemblies.
: {  W) L( j0 y$ H5 K3 |0 Y• Independent lifecycles
Each design element has its own lifecycle. You are not limited by the lifecycle
8 d6 W, F; A1 T- G  V$ ~8 Yof traditional assemblies. Each design element has its revision and status.
Likewise, the CAD design owns its position and geometry.
9 O' j& ^; E) T4 y  i• Multiple hierarchical views
In a traditional product structure, each component is placed in an assembly. To
view a component, you must load its parent assembly. Using 4GD, a design
element can appear in multiple partitions and subsets of the product. When
a designer views partitions that may contain the same design element, 4GD
displays only the unique design elements.
* g" R" C9 ]4 ]4 m* J% ?% g4 u• Very large data sets
Because there is no concept of a structure, very large data sets can be managed
efficiently . Teamcenter loads collaborative designs much more quickly than
traditional assemblies.
• Minimal data locking
Designers check out only the design elements they need. To reposition a design
element, there is no parent assembly to check out and lock.
• Efficient working sets
# a+ o- `( }4 m( vDesigners can work with adjacent design elements, without having to check out
the next highest parent assembly that contains all the design elements.
4 Q! _8 q) ?/ a7 i• Concurrent work capabilities
Because designers access the design elements in their workset using a dynamic
- P! m) h4 e0 }" I0 e: jrecipe instead of a rigid subassembly, the context of the workset can be updated
to include new design elements created by other designers. For example, if the
recipe searches for all design elements within a spatial volume, reapplying the
recipe opens any new design elements within that volume.