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ABSTRACT................................................................................................................................................................ V V$U#'G>m
1 INTRODUCTION.................................................................................................................................................. 1 DC?U +
2 MOTIVATION....................................................................................................................................................... 3 ] %A mX-U
2.1 INTRODUCTION.................................................................................................................................................. 3 {%g]Ym=
2.2 PROCEDURAL PROGRAMMING PARADIGM........................................................................................................... 3 Ox .6]W~
2.3 OTHER PROGRAMMING PARADIGMS.................................................................................................................... 4 3 [mVPV
2.4 OBJECT-ORIENTED PROGRAMMING PARADIGM ................................................................................................... 5 W"j&':xD
2.5 REQUIREMENTS FOR LARGE PROGRAMMING SYSTEMS, OR HOW OBJECT-ORIENTED PROGRAMMING MEETS THE mS) |i+5
GOALS................................................................................................................................................................ 6 , y%!s27
2.6 SUMMARY ......................................................................................................................................................... 8 Z$qLY<aV
3 OBJECT-ORIENTED ANALYSIS: AIM AND FUNCTIONALITY OF THE FE FRAMEWORK gaFOm9y.e
IMAGINE ............................................................................................................................................................... 9 xUT]6T0dB
3.1 INTRODUCTION.................................................................................................................................................. 9 ?N*m2rv
3.2 AIM OF THE FRAMEWORK .................................................................................................................................. 9 )l 0\T F
3.3 DOCUMENTATION............................................................................................................................................ 10 >bQ'*!
3.4 OBJECT DATABASE .......................................................................................................................................... 10 * E $&
3.4.1 Introduction .......................................................................................................................................... 10 a, <l_#'
3.4.2 Persistence............................................................................................................................................ 11 38<!Dt+S(,
3.4.3 Object-oriented database ...................................................................................................................... 14 Q l`N)!
3.5 DEVELOPMENT ENVIRONMENT ......................................................................................................................... 16 Q<4Sd:P`"
3.6 FE KERNEL...................................................................................................................................................... 17 a2J01B
3.7 GEOMETRIC MODELING ................................................................................................................................... 18 3 !W
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3.8 POSTPROCESSING ............................................................................................................................................ 20 a 3t[Tk;
3.9 PROJECT MANAGEMENT................................................................................................................................... 20 z%ZAN-
3.10 USER INTERFACE ............................................................................................................................................. 21 CUI FKM
3.11 STATE OF THE ART .......................................................................................................................................... 22 "+SnHpNx
4 OBJECT-ORIENTED DESIGN AND IMPLEMENTATION OF THE FE FRAMEWORK IMAGINE ... 25 +<#0V!DM
4.1 GUIDELINES..................................................................................................................................................... 25 NDsF<2 A4
4.2 ARCHITECTURE OF IMAGINE ......................................................................................................................... 26 {8b6M
4.3 PROJECT AND RESOURCE MANAGEMENT SUBSYSTEM ....................................................................................... 27 YN.[KQ(!
4.3.1 Project view and control........................................................................................................................ 27 \NE~k)`4j%
4.3.2 Geometric modeling .............................................................................................................................. 29 8YroEX [5l
4.3.3 Project resources and their management .............................................................................................. 32 ~z;G$jd
4.3.4 Analysis and task control....................................................................................................................... 35 dk<) \C"
4.4 FE MODELING SUBSYSTEM ............................................................................................................................... 38 p0c*)_a*
4.4.1 Overview............................................................................................................................................... 38 L 1P.@hJ
4.4.2 Modeling classes and field variable classes .......................................................................................... 39 sw<GlF "
4.4.2.1 Overview....................................................................................................................................................39 n*twuB/P 1
4.4.2.2 Element concept.........................................................................................................................................42 {D6lS j
4.4.2.3 Node and degrees of freedom (DOF) concept.............................................................................................45 '3B"@^]
4.4.2.4 Load concept..............................................................................................................................................46 AlZ] UGf^
4.4.2.5 Constraint concept......................................................................................................................................47 tzH~[n,
4.4.2.6 Material concept.........................................................................................................................................48 0hJ,l.
4.4.3 Numerical classes ................................................................................................................................. 49 4 :1URhE
4.4.4 Global representations .......................................................................................................................... 51 N %;bV@A9
4.4.5 Basic classes ...............................................................................................................................
