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:
' d4 _: R$ i6 O; w  n0 G6 `• Flexible organization of design data
8 \: V, r" ^! r$ J3 \The collaborative design content can change dynamically as the design evolves.
Designers are not limited to viewing the product in predefined subassemblies.
• Independent lifecycles
+ O8 G( q5 o+ N( Z8 EEach design element has its own lifecycle. You are not limited by the lifecycle
+ }5 s9 n& R/ D: E0 cof traditional assemblies. Each design element has its revision and status.
, {3 h" Z# Y7 SLikewise, the CAD design owns its position and geometry.
7 ^7 x7 p" g0 ?" a4 k• Multiple hierarchical views
In a traditional product structure, each component is placed in an assembly. To
2 ]! X3 [, C5 ]& sview a component, you must load its parent assembly. Using 4GD, a design
element can appear in multiple partitions and subsets of the product. When
' A9 I, D" v3 x2 e: |a designer views partitions that may contain the same design element, 4GD
" U% }& l7 F4 R6 G8 vdisplays only the unique design elements.
• 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
8 O0 ^6 d  n+ g9 P* `traditional assemblies.
• Minimal data locking
Designers check out only the design elements they need. To reposition a design
! ?( q, w  B; w* e8 {element, there is no parent assembly to check out and lock.
% I* p6 w' t+ Y/ K, F% }& t• Efficient working sets
: _% ?2 ?4 D1 h" d3 `% pDesigners can work with adjacent design elements, without having to check out
. i1 R# K& f" c5 E& [/ P! t' Qthe next highest parent assembly that contains all the design elements.
+ k2 k! u4 K6 o# x: }/ H• Concurrent work capabilities
& B# T1 K! V. P% Y+ IBecause designers access the design elements in their workset using a dynamic
% g, K9 r9 s: Q- ?' a% o8 `recipe instead of a rigid subassembly, the context of the workset can be updated
9 {, V1 V' }- Q! d$ Q$ ~to include new design elements created by other designers. For example, if the
% `( A6 l/ O) m5 y/ Zrecipe searches for all design elements within a spatial volume, reapplying the
+ T7 b- F6 {5 T2 U$ drecipe opens any new design elements within that volume.