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ABSTRACT................................................................................................................................................................ V e RiP C
1 INTRODUCTION.................................................................................................................................................. 1 /ekeU+j
2 MOTIVATION....................................................................................................................................................... 3 } [a
2.1 INTRODUCTION.................................................................................................................................................. 3 >cm*_26;I
2.2 PROCEDURAL PROGRAMMING PARADIGM........................................................................................................... 3 !F3Y7 R
2.3 OTHER PROGRAMMING PARADIGMS.................................................................................................................... 4 [o]^\a y
2.4 OBJECT-ORIENTED PROGRAMMING PARADIGM ................................................................................................... 5 L8"0o 0-
2.5 REQUIREMENTS FOR LARGE PROGRAMMING SYSTEMS, OR HOW OBJECT-ORIENTED PROGRAMMING MEETS THE Sl @$
GOALS................................................................................................................................................................ 6 1&_9 3
2.6 SUMMARY ......................................................................................................................................................... 8 UOTM>d1P
3 OBJECT-ORIENTED ANALYSIS: AIM AND FUNCTIONALITY OF THE FE FRAMEWORK &6*X&]V!Z
IMAGINE ............................................................................................................................................................... 9 ?2D 1gjr
3.1 INTRODUCTION.................................................................................................................................................. 9 k)+2+hX&>
3.2 AIM OF THE FRAMEWORK .................................................................................................................................. 9 $GI2rzh
3.3 DOCUMENTATION............................................................................................................................................ 10 px !lJtvgo
3.4 OBJECT DATABASE .......................................................................................................................................... 10 9|19ia@[\
3.4.1 Introduction .......................................................................................................................................... 10 h *J=F0KM
3.4.2 Persistence............................................................................................................................................ 11 aYIAy]*1e
3.4.3 Object-oriented database ...................................................................................................................... 14 l#!p?l
3.5 DEVELOPMENT ENVIRONMENT ......................................................................................................................... 16 FGzMbi<l#(
3.6 FE KERNEL...................................................................................................................................................... 17 6 wk/ IJ`
3.7 GEOMETRIC MODELING ................................................................................................................................... 18 7v9l+OX,6
3.8 POSTPROCESSING ............................................................................................................................................ 20 fI:j @Wug
3.9 PROJECT MANAGEMENT................................................................................................................................... 20 Qs24b
3.10 USER INTERFACE ............................................................................................................................................. 21 )m . KV5K!
3.11 STATE OF THE ART .......................................................................................................................................... 22 1k&**! S]%
4 OBJECT-ORIENTED DESIGN AND IMPLEMENTATION OF THE FE FRAMEWORK IMAGINE ... 25 DQ'yFPE
4.1 GUIDELINES..................................................................................................................................................... 25 p
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4.2 ARCHITECTURE OF IMAGINE ......................................................................................................................... 26 N 2|?I(\B
4.3 PROJECT AND RESOURCE MANAGEMENT SUBSYSTEM ....................................................................................... 27 cB~D3a0T h
4.3.1 Project view and control........................................................................................................................ 27 !? t#QD o
4.3.2 Geometric modeling .............................................................................................................................. 29 d51.Tbt#%7
4.3.3 Project resources and their management .............................................................................................. 32 Y](kMNUSg
4.3.4 Analysis and task control....................................................................................................................... 35 e
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4.4 FE MODELING SUBSYSTEM ............................................................................................................................... 38 sdkKvo. y0
4.4.1 Overview............................................................................................................................................... 38 ~&bn}
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4.4.2 Modeling classes and field variable classes .......................................................................................... 39 >s3H_X3F
4.4.2.1 Overview....................................................................................................................................................39 E A@p]+P
4.4.2.2 Element concept.........................................................................................................................................42 eJWcr Vpn
4.4.2.3 Node and degrees of freedom (DOF) concept.............................................................................................45 \4;}S&` k
4.4.2.4 Load concept..............................................................................................................................................46 DIx!Sw7EC
4.4.2.5 Constraint concept......................................................................................................................................47 cuenDw=eC
4.4.2.6 Material concept.........................................................................................................................................48 O6nCu
4.4.3 Numerical classes ................................................................................................................................. 49 <pAN{ :
4.4.4 Global representations .......................................................................................................................... 51 obYXDj2
4.4.5 Basic classes ...............................................................................................................................
