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ABSTRACT................................................................................................................................................................ V sC\?{B0 r
1 INTRODUCTION.................................................................................................................................................. 1 tZ[9qms^_
2 MOTIVATION....................................................................................................................................................... 3 ]\fHc"/
2.1 INTRODUCTION.................................................................................................................................................. 3 5/P. 4<c7
2.2 PROCEDURAL PROGRAMMING PARADIGM........................................................................................................... 3 D Z*c.|W
2.3 OTHER PROGRAMMING PARADIGMS.................................................................................................................... 4 /E<Q_/'Z
2.4 OBJECT-ORIENTED PROGRAMMING PARADIGM ................................................................................................... 5 mh"PA p
2.5 REQUIREMENTS FOR LARGE PROGRAMMING SYSTEMS, OR HOW OBJECT-ORIENTED PROGRAMMING MEETS THE o=Z:0Ukl]
GOALS................................................................................................................................................................ 6 VQ('ejv}/
2.6 SUMMARY ......................................................................................................................................................... 8 L;:PeYPL
3 OBJECT-ORIENTED ANALYSIS: AIM AND FUNCTIONALITY OF THE FE FRAMEWORK xMk>r1U d
IMAGINE ............................................................................................................................................................... 9 uxxk&+M
3.1 INTRODUCTION.................................................................................................................................................. 9 D,.`m X
3.2 AIM OF THE FRAMEWORK .................................................................................................................................. 9 [xM&Jdf8
3.3 DOCUMENTATION............................................................................................................................................ 10 gH(#<f@ZI
3.4 OBJECT DATABASE .......................................................................................................................................... 10 E'{:HX
3.4.1 Introduction .......................................................................................................................................... 10 `/ T.u&QF
3.4.2 Persistence............................................................................................................................................ 11 7fypUQ:y
3.4.3 Object-oriented database ...................................................................................................................... 14 t8 RtJ2;
3.5 DEVELOPMENT ENVIRONMENT ......................................................................................................................... 16 t+A*Ws*o
3.6 FE KERNEL...................................................................................................................................................... 17 u|wl;+.
3.7 GEOMETRIC MODELING ................................................................................................................................... 18 %R4 \[ e
3.8 POSTPROCESSING ............................................................................................................................................ 20 m&=Dy5
3.9 PROJECT MANAGEMENT................................................................................................................................... 20 t }4
3.10 USER INTERFACE ............................................................................................................................................. 21 EgG3Xh fS
3.11 STATE OF THE ART .......................................................................................................................................... 22 Z#u{th
4 OBJECT-ORIENTED DESIGN AND IMPLEMENTATION OF THE FE FRAMEWORK IMAGINE ... 25 Vyi.:lL _8
4.1 GUIDELINES..................................................................................................................................................... 25 }5PC53q
4.2 ARCHITECTURE OF IMAGINE ......................................................................................................................... 26 vGsAM* vw6
4.3 PROJECT AND RESOURCE MANAGEMENT SUBSYSTEM ....................................................................................... 27 ^!^M Gzu
4.3.1 Project view and control........................................................................................................................ 27 Caj H;K \
4.3.2 Geometric modeling .............................................................................................................................. 29 >uZ c#Zt
4.3.3 Project resources and their management .............................................................................................. 32 cRK Lyb
4.3.4 Analysis and task control....................................................................................................................... 35 ;V~x[J|x
4.4 FE MODELING SUBSYSTEM ............................................................................................................................... 38 ILDO/>n
4.4.1 Overview............................................................................................................................................... 38 Mo3%OR
4.4.2 Modeling classes and field variable classes .......................................................................................... 39 cu1!W D
4.4.2.1 Overview....................................................................................................................................................39 W 3/]
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4.4.2.2 Element concept.........................................................................................................................................42 K@ n- #
4.4.2.3 Node and degrees of freedom (DOF) concept.............................................................................................45 VTL_I^p
4.4.2.4 Load concept..............................................................................................................................................46 [H\0
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4.4.2.5 Constraint concept......................................................................................................................................47 5GAW3j{
4.4.2.6 Material concept.........................................................................................................................................48 )kjQ W&)g
4.4.3 Numerical classes ................................................................................................................................. 49 a :*N0
4.4.4 Global representations .......................................................................................................................... 51 O+mEE>:w%
4.4.5 Basic classes ...............................................................................................................................
