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ABSTRACT................................................................................................................................................................ V }xk(aM_
1 INTRODUCTION.................................................................................................................................................. 1 n:%4 SZn
2 MOTIVATION....................................................................................................................................................... 3 p% 3z*2,(
2.1 INTRODUCTION.................................................................................................................................................. 3 GXtK3 YAr
2.2 PROCEDURAL PROGRAMMING PARADIGM........................................................................................................... 3 q<dG}aj
2.3 OTHER PROGRAMMING PARADIGMS.................................................................................................................... 4 x=oV!x
2.4 OBJECT-ORIENTED PROGRAMMING PARADIGM ................................................................................................... 5 $eYL|?P50h
2.5 REQUIREMENTS FOR LARGE PROGRAMMING SYSTEMS, OR HOW OBJECT-ORIENTED PROGRAMMING MEETS THE G](4!G&
GOALS................................................................................................................................................................ 6 K($l>PB,y@
2.6 SUMMARY ......................................................................................................................................................... 8 N*o{BboK;
3 OBJECT-ORIENTED ANALYSIS: AIM AND FUNCTIONALITY OF THE FE FRAMEWORK <&3P\aM>
IMAGINE ............................................................................................................................................................... 9 |58HPW9
3.1 INTRODUCTION.................................................................................................................................................. 9 \Oeo"|
3.2 AIM OF THE FRAMEWORK .................................................................................................................................. 9 UT D_rQ
3.3 DOCUMENTATION............................................................................................................................................ 10 l-+=Yk!X
3.4 OBJECT DATABASE .......................................................................................................................................... 10 }Kp!,
3.4.1 Introduction .......................................................................................................................................... 10 mM,HMrgLqK
3.4.2 Persistence............................................................................................................................................ 11 m4mE7Wn.3
3.4.3 Object-oriented database ...................................................................................................................... 14 R~\R>\
3.5 DEVELOPMENT ENVIRONMENT ......................................................................................................................... 16 1xB}Ed*k
3.6 FE KERNEL...................................................................................................................................................... 17 ]M7FI Dg
3.7 GEOMETRIC MODELING ................................................................................................................................... 18 94"+l@K
3.8 POSTPROCESSING ............................................................................................................................................ 20 h'y%TOob
3.9 PROJECT MANAGEMENT................................................................................................................................... 20 {zwH3)|Hn
3.10 USER INTERFACE ............................................................................................................................................. 21 X Q#K1Z
3.11 STATE OF THE ART .......................................................................................................................................... 22 D.K""*ula
4 OBJECT-ORIENTED DESIGN AND IMPLEMENTATION OF THE FE FRAMEWORK IMAGINE ... 25 J}#gTG( '
4.1 GUIDELINES..................................................................................................................................................... 25 x b,XI/
4.2 ARCHITECTURE OF IMAGINE ......................................................................................................................... 26 H7zN|NdNw
4.3 PROJECT AND RESOURCE MANAGEMENT SUBSYSTEM ....................................................................................... 27 qjB:6Jq4q
4.3.1 Project view and control........................................................................................................................ 27 K-0=#6?y4
4.3.2 Geometric modeling .............................................................................................................................. 29 $UR:j8C{p$
4.3.3 Project resources and their management .............................................................................................. 32 mmTpF]t
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4.3.4 Analysis and task control....................................................................................................................... 35 *F\wWg'!B
4.4 FE MODELING SUBSYSTEM ............................................................................................................................... 38 :@((' X(".
4.4.1 Overview............................................................................................................................................... 38 F]ao Ty
4.4.2 Modeling classes and field variable classes .......................................................................................... 39 lPy|>&Yc
4.4.2.1 Overview....................................................................................................................................................39 *f[ 5rr 4
4.4.2.2 Element concept.........................................................................................................................................42 Xs0)4U
4.4.2.3 Node and degrees of freedom (DOF) concept.............................................................................................45 ,Z
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4.4.2.4 Load concept..............................................................................................................................................46 bA^uz E
4.4.2.5 Constraint concept......................................................................................................................................47 1Bj.MQ^
4.4.2.6 Material concept.........................................................................................................................................48 0#*6:{/^
4.4.3 Numerical classes ................................................................................................................................. 49 e\%,\ uV}
4.4.4 Global representations .......................................................................................................................... 51 UA>= #
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4.4.5 Basic classes ...............................................................................................................................
