?? e??se?? t?? ep?fa?e?a??? t

1
T-splines vs. B-splines

• ?? e??se?? t?? ep?fa?e?a??? tµ?µ?t?? B-splines,
  pa???s?????? at??e?e? ?? ?p??e? ep?????ta? µe ta
  ep?fa?e?a?? tµ?µata T-splines.

2
S?????s? NURBS ?a? T-Splines

• ?a s?µe?a e?????? t?? NURBS pa?at?ss??ta? se
  ?????????? p???µa. ??t? t?? T-spline
  pa?at?ss??ta? se as??e?e?? ??aµµ??.
• ??p?????a p???µat?? e?????? NURBS.
• ??p?????a p???µat?? e?????? t?? T-spline.
• ????µata e?????? NURBS ?a? T-spline ??a µ??t???
  ?efa??? 4800 s?µe?a e?????? NURBS 1100 s?µe?a
  e?????? T-spline
• ???t??? ?afa??? µe NURBS ?a? T-spline.
• ???t??? a?t?????t?? µe ???s? T-splines. ????e st?
  ??a t?ta?t? t?? a?t?st????? ?????? µ??te??p???s??
  µe NURBS.

3
S?????s? NURBS ?a? T-Splines
4
Ste?e? µ??te??p???s?

• ???s? pa?aµet??p???µ???? ?????e?e??? a??et?p??
  (p?. ???????, ????µ?? ??p)
• ???a?? a?apa??stas? (boundary representation) t?
  ste?e? ????eta? ap? t? t?p?????a t?? ????? t??.
• ?atas?e?ast??? ste?e? ?e?µet??a (Constructive
  Solid Geometry) ???s? a??et?p?? (p?. ?????????,
  sf??a, sfa??a ??p) ?a? p???e?? s?????? (p?.
  ???s?, t?µ? ??p) ??a t? ?atas?e?? t?? ste?e??.

5
?a?aµet???? ste?e? µ??te??p???s? ???????e?e?
a??et?p??

• ?? d?ast?se?? e??a? pa??µet??? t?? µ??t????
• p?. ?? ????st?? t?? s??µat?? s?ed???eta?
• µ?a f??? ?a? ep??????ta? t?? pa?aµ?t???? 1
  µ???? 6 ????µe d?af??et??? ap?t??esµa.

6
S????? AN?????S??S?
S??µa 6-3 ?? µ??ad???t?ta ste?e??
µ??te??p???s?? e??? a?t??e?µ????
7
????t?pa ste?e?? µ??te??p???s??

• ????????? pa?a????ep?ped?
• ?????d???
• ?????
• Sfa??a
• Sf??a
• ????e?d??

8
????t?pa ste?e?? µ??te??p???s??
9
?ata- s?e?ast??? ste?e? Ge?µet??a
10
???eß?a s??????
11
????d?? t?? ?µ??????
? µ???d?? t?? ?µ?????? ap?te?e? t?? ap???ste??
µ??f? a?apa??stas?? ste?e??. S??d?????ta?
?µ??????? µp????µe ?a ?atas?e??s??µe
d??f??a ste?e?. ??a? ?µ?????? ????eta? sa? t?
s????? t?? s?µe??? t?? ? 3 ?ste ?p?
? ? e??a? s?µe?? t?? ? 3 ?a?
e??a? ? e??s?s? ???sµ?? t?? ep?f??e?a? p??
?????e? t?? ?µ?????.
12
St???e?a ?µ??????
13
?µ??????? a?apa??stas? ste?e??
14
???s? ste?e?? ?a? a?apa??stas? µe ?µ???????
15
?atas?e?ast??? ste?e? ?e?µet??a (CSG)
16
??µ? d?? ep?fa?e???
?p?pede? ?????d?????
Sfa?????? ??????? ep?f??e?e?
17
??apa??stas? sa??se?? (Extrude)
18
??a??t??? ste?e? µ??te??p???s? (?SM)
4x4x4 64 ????st?? s??te?est?? 8 d?a??sµata
??s?? 24 efapt?µe???? d?a??sµata 24 d?a??sµata
st??f?? 8 d?a??sµata t??p??? pa?a?????
19

• ????S G
• ????????S? ????????S
• ??? ????

20
????p????t?ta ?a? ?????? ?atas?e???
21
PLM Product Lifecycle Management

• ?? PLM e??a? µ?a p?a?s?? p??s????s?? ??a
  ?a???t?µ?a, a??pt??? ?a? d???es? ???? p?????t??,
  ?a??? ep?s?? ?a? ? s?????? ?a? d?a?e???s?
  p????f????? t?? p?????t?? ap? t? s?????? t??
  ?d?a? µ???? t? t???? t?? ß??? t??.
• ?? PLM ??e? st? ???t?? t?? p??s???? t?? t?
  p?????.

22
PLM Product Lifecycle Management
23
PLM Product Lifecycle Management

• ?a p?e??e?t?µata t?? p??s????s?? PLM st? ?????
  ???? t?? p?????t?? e??a?
• ?? p????? f???e? p?? ??????a st?? a????
• ?e?t???eta? ? p???t?ta t?? p?????t??
• ?e???eta? t? ??st?? ?atas?e??? p??t?t?p??
• ????????µ?s? ap? epa?????s? a?????? ded?µ????
• ??aµ??f?s? p?a?s??? ße?t?st?p???s?? t?? p?????t??
• ????????µ?s? ap? µe??s? f??a?
• ????????µ?s? ap? t? p???? ????????s? t?? ??????
  e??as??? t?? µ??a?????

24
PLM Product Lifecycle Management

• ?? PLM de? e??a? ??a p????? p?? µp????µe ?a
  a????s??µe. ???a? µ?a s?et??? ??a p??s????s?
  st?? ????????s? t?? ?d? st? d???es? µa? e??a?e???
  (CAD/CAM, ERP, CAE, PDM ??p.) µa?? µe ??a
  s?st?µata, ?p?? p?atf??µe? ? p??e? s??e??as?a?,
  p?? pe???aµß??e? ?a? e????e? t? d?µ??????a, ta
  apa?a?t?ta test, t?? ?atas?e??, t?s ?p??es?e?,
  t?? ap?s??s? ?a? t? d?ad??as?a a?a?????s??.

25

• ????S ?
• S?G????? ?????G?S???? ??G????? ???????????? ???
  ?F ???? ?O?S S?????S???

26
Dassault Systèmes

• ?? PLM ????sµ??? ?a? ?p??es?e? t?? Dassault
  Systèmes (DS) s?ed??st??a? µe st??? ?a ???e?
  ??a?? t? ???st? ?a e??µ???se?, se ??a 3D
  s??e??at??? pe??ß?????, ???????? t?? ????? ????
  e??? p?????t??, ap? t? st?d?? t?? s??????? t??
  ?d?a? µ???? t?? a??pt???, ?atas?e?? ?a? ???s? se
  ?e?t?????a.
• ??t?? ?? PLM ??se?? d?e????????? t?? ta?t??????
  s?µp?a?? p????? d?af??et???? ?e?t??????? p??
  eµp?????ta? st? PLM µ??a????, st?at?????, a????
  ?a? p???se??, p????aµµat?sµ?? ?a? pa?a????,
  p??µ??e?a, ??????µ??? ?a? a????p??? d??aµ??? ?a?
  ??? t? d????e?a t?? ef?d?ast???? a??s?da?.

27
CATIA- Part Design

• ?? Part Design pa???e? ??a ßas??? set
  ????????µ???? e??a?e??? ??a t? s?ed?asµ? ste?e??
  a?t??e?µ????. ???s?µ?p????ta? ta d?a??s?µa
  e??a?e?a, se s??d?asµ? µe t?? d?a??s?µe? p???e??
  s?????? (???eß?a Bool), ? ???st?? µp??e? ?a
  d?µ?????e? p???ap??? ??e?? ?a? ?e?µet?????
  s??se?? ap? ta µ??t??a.

• ?e e??a?e?a d?a?e???s?? p??d?a??af??, ??
  ?p??esd?p?te a??a??? p?a?µat?p?????ta? ??????a
  ?a? ap??. ? d??at?t?ta a?t? e??a? ?d?a?te?a
  ???s?µ? se pe??ß?????ta p????? ???st?? ?a?
  a????e? t?? pa?a??????t?ta.

28
CATIA- Wireframe and Surface

• To Wireframe and Surface ???s?µ?p??e?ta? ??a t?
  d?µ??????a s??µat???? ?a? ep?fa?e?a???
  a?apa?ast?se??.
• ?p?s?? µp??e? ep?s?? ?a eµp???t?se? t? d?ad??as?a
  s?ed?as?? ste?e?? µ??t???? µe t? d??at?t?ta
  d?µ??????a? ap??? ep?fa?e???.

29
CATIA- Structure Design

• ?? Structure Design e??a? µ?a efa?µ??? p??
  ???s?µ?p??e?ta? ??a t? s?ed?as? s?d????
  ?atas?e???, e?????aµµ?? ? ?aµp???? d??t??µ?t??
  ?a? p?a?s???, µ?s? t?? ???s?? t?p?p???µ????
  d?at?µ??.

• ?p?p????, e??a? d??at? ? ?ata??af? pa?aµet?????
  ?ata????? µe ??ste? ?????? (???s).
• S??e????eta? p????? µe ??e? t?? ?p????pe?
  efa?µ???? t?? CATIA V5, p?. G?a t? µe??t? t??
  a?t???? se e?de??µe?e? ?atap???se??.

30
CATIA- Weld Design

• ?? Weld Design e??a? µ?a efa?µ??? ? ?p??a
  ???s?µe?e? st?? ?a????sµ? s???????se?? se
  s??a?µ?????se??. ?e?ap??te t?p?? s???????se??
  (??se? ISO), pa?????ta? st??? ???ste? ??a t?
  d?µ??????a t?? apa?a?t?t?? s???????se??, t??
  p??et??µas?a t?? µ??t???? ?a? t?? ?a????sµ? t??
  s??af?? s??????.

• ?? p????? ape????eta? se eta???e? p?? as??????ta?
  µe µ??a?????????? e??p??sµ??? ?a? ?a???p?a ?a?
  t??? pa???e? p????µ??e? d??at?t?te? ?a????sµ??
  s???????se??.

31
CATIA- Assembly Design

• ?? Assembly Design af??? t? d?a?e???s?
  s??a?µ?????se??. ?? Assembly Design ß???? t???
  s?ed?ast?? ?a d?a?e??????ta? µe???e?
  s??a?µ?????se?? st?? ?p??e? µp??e? ?a µet?????
  µ??t??a ?p? µ??f? CATIA V5, CATIA V4, STEP, VRML,
  ???s?µ?p????ta? e?te t?? µ???d? bottom- up, e?te
  t? µ???d? top- down.

• ?a?a?????? e??a?e?a, ?p?? ? a?t?µat? d?µ??????a
  d?as???p?sµ???? ??e??, ? ??e???? ??a t????
  s??????se?? ?a? ? a?t?µat? d?µ??????a t?? ??sta?
  ?????? (BOM) µe?????? d?aµat??? t? ????? e??as?a?
  ?a? a??????? t?? p???t?ta.

32
Dassault Systèmes - ENOVIA

• ?? ENOVIA e??a? µ?a ??s? t?? DS ape?????µe?? se
  ?e???? s??e??at??? pe??ß????? ??a ße?t?st?p???s?
  t?? d?ad??as??? ep??e???s??.
• ?? ENOVIA pa???e? ??a s????? ????????µ???? ??se??
  ?ste ?a ß????se? pe??te? ?a d?µ??????s???
  s??e??at??? ??f?a?? ep??e???s?.
• ???e? t? d??at?t?ta se ?µ????? ?a e??a??d??s???
  µ??ad???? ??f?a??? pe?????? e??as?a? ??a
  ????????µ??? s?ed?asµ? se ??? t? e???? t??
  ep??e???s??, µ??a???? ?a? ?atas?e??, d?a?e???s?
  t?? ??f?a??? t??? p?????t?? se ???e st?d?? t??
  ?????? ???? t?? ?a? e??µ????e? e?d????
  d?e??as?e?.

33
Dassault Systèmes - ENOVIA

• ?? t?e?? ??aµµ?? p?????t?? e?t?? t?? ENOVIA
  pe???aµß?????
• ENOVIA MatrixOne S?ed??st??e ??a ?a ?atast?se?
  d??at? t? S??e??at??? ??ad??as?a ?p??e???se?? ?a?
  ep?s?? t? S??e??as?a µe????? ???µa?a? µe ???s?
  e?d???? ß??µ??a????? ??se??.
• ENOVIA VPLM S?ed??st??e ??a ?a ?atast?se? d??at?
  t? S??e??at??? ???????? ??a?e???s? ?????? ????
  S???et?? ??????t??, ß??µ??a????? d?ad??as?e?
  d?a?e???s?? p???? ?a? ?atas?e??? se µet???? ???
  µe????? µe?????? ep??e???se??. ???e? t?
  d??at?t?ta ?atas?e??? ??f?a??? ?µ???µ?t?? ?a?
  s?ed??? ep?ta?????ta? ?a? d?e????????ta? t??
  ?a???t?µ?a.
• ENOVIA SmarTeam S?ed??st??e ??a ?a ?atast?se?
  d??at? t? S??e??at??? ??a?e???s? ?ed?µ????
  ??????t?? ??a µ????? ?a? µesa??? µe??????
  ep??e???se??, tµ?µata µ??a????? ? µe?a??te???
  ???a??sµ?? ?a? d?a µ?s?? t?? ef?d?ast????
  a??s?da?.

34
Dassault Systèmes DELMIA PLM

• DELMIA S?ed??st??e ?a pa???e? pe??ß?????
  e???????? pa?a????? ??a e?t??es? ?atas?e???
  ?a??pt??sa t?s? PLM ??f?a??? ?atas?e?ast????
  ??se?? ?s? ?a? a?t?µat?p???µ??e? ??se??.
• ?? DELMIA PLM s?ed??st??e ?a d??e? t? d??at?t?ta
  st??? ?atas?e?ast?? e??????? ?a ???????,
  p????aµµat?????, d?µ???????? pa?a????????? ?a?
  e??????? t? d?ad??as?a pa?a????? p??? ?
  p?a?µat??? pa?a???? ?a ??ße? ???a.

35
Dassault Systèmes DELMIA PLM

• ?? ?????? t?µe?? p?? ape??????ta? ?? ??f?a???
  ?atas?e?ast???? ??se?? t?? DELMIA PLM
  pe???aµß?????
• ?????aµµat?sµ?? pa?a????? (p????aµµat?sµ??
  d?a??s?µ?? µ??a???, µ?t??s? ??????, a????s?
  ??st???, ?s?f??t?s? e???stas?a??? ??aµµ??),
• ?ept?µe?e?a??? p????aµµat?sµ?? ?a? ep?ßeßa??s?
  (?p?? se??? s??a?µ?????s??, p????aµµat?sµ??
  ep??e???s?? ?a? a?e???t?t?? µ???d?? (cell) ?a?
  ?e?t?????e? ?ate??as???) ?a?
• ???te??p???s? ?a? e??µ???s? p???? (?p?? ??µp?t,
  e??a?e??µ??a???, e?a?t?µata, µ???
  a?t?µat?p???s??, ?a? e?????µ?a ?e?t???????).

36
Dassault Systèmes - SIMULIA

• SIMULIA S?ed??st??e ??a t?? ?p?st????? t??
  ????????? ??????? ??????t?? ?? p??? t?? p???t?ta
  ap? µ??a???? ?p???, pa???e? ?ea??st????
  e??µ???se?? s?ed?asµ??e? ?ste ?a ep?t??p??? st??
  ep??e???se?? ?a µe??s??? t?? a???µ? t??
  p?a?µat???? p??t?t?p??. ??t? ? se??? ????sµ????
  pepe?asµ???? st???e??? (FEA) ep?t??pe? st???
  µ??a?????? ?a d?µ??????s??? e??????? p??t?t?pa
  e?????? ??a s???eta p?????ta ?a? d?ad??as?e?. ?
  ???d?? t?? SIMULIA pe???aµß??e? t? Abaqus ?a?
  ???a e??a?e?a e??µ???s?? t?? Dassault Systemes.

37
Dassault Systèmes 3DVIA

• 3DVIA - Designed to enable wide spread usage of
  3D information and to provide online 3D lifelike
  experiences. It is intended for use by consumer
  and professional communities to allow anyone to
  imagine, play, and experience consumer products
  and services as used in their daily lives through
  online services.

38
????d?? a?ta??a??? ded?µ???? ???sµ?? p?????t??

• ??µ??????a ??d?te??? d?µ?? ß?s?? ded?µ????

• 1. IGES (Initial Graphics Exchange
  Specifications), 1980,
• 2. DXF (Drawing Interchange Format)
• 3. STEP (Standard for the Exchange of Product
  Model Data)

39
??f?a?? p??t?p?p???s?

• ? ??f?a?? p??t?p?p???s? d??e? st?? ?µ?de? t??
  ?eµe???d??? s?ed?asµ??, t?? a????s?? - s???es??
  ?a? t?? ?atas?e??? t? d??at?t?ta ?a a?apt?????
  ??f?a?? ??a p???e? p????? p??? a?t? ???p????e?
  (?atas?e?aste?).
• ?e t?? ??f?a?? p??t?p?p???s? ? ?atas?e?ast??
  µp??e? ?a s?ed??se?, ?a ape?????se? ?a? ?a
  e??µ???se? ?e?t??????? p?????ta ap? t? f?s? t??
  ?eµe???d??? s?ed?asµ?? µ???? t? d?ad??as?a
  ?atas?e???.
• ?e t? ???s? t?? ??f?a??? p??t?p?? ? ?atas?e?ast??
  µp??e? ?a ape?????se? ?a? e??µ???se? ?e?t???????
  t?? ep?d?s? t??? se p?a?µat???? s?????e?,
  ß?????ta? st? µe??s? t?? e???t?s?? t??? ap? t?
  ?atas?e?? a???ß?? f?s???? p??t?p??.

40
Autodesk ??f?a?? p??t?p?p???s?
Engineering
Simulation
Manufacturing
Visualization
41
??f?a?? p??t?p?p???s? ?f???
42

• S??????????...