wcsmo5Short Papers of

The Fifth World Congress of

STRUCTURAL ANDMULTIDISCIPLINARY

OPTIMIZATIONMay 19-23, 2003 - Lido di Jesolo, Italy

Organizers

ISSMO: International Society for Structural andMultidisciplinary Optimization

University of Pavia, Italy

s&zSchonenfeld & Ziegler®

UB/TIB Hannover 89124 728 928

Table of Contents

On optimality conditions and primal-dual methods for thedetection of singular optimaW. Achtziger 1An effective procedure for toplogy optimization of continuumstructures subjected to self-weight loadingR. Ansola, J. Canales and J.A. Tarrago 3Range zooming for genetic range genetic algorithmsM. Arakawa, T. Miyashita and H. Ishikawa 5A mixed 0-1 programming problem for damage detection in trussstructuresY. Araki and Y. Miyagi 7Multi-objective robust optimization: concept and approachS. Gunawan and S. Azarm 9Use of Bayesian analysis and decision theory to improve particleswarm optimization performanceV. Balabanov, R. Vitali, G. Venter and J. Sobieski 11On the application of Tabu search to optimisation ofhydrostatically loaded barrelsJ. Blacbut 13High quality structural response and sensitivity analysis in shapeoptimal design of shellsN. Camprubi, M. Bischoff, F. Koschnick and K.U. Bletzinger.... 15On application of stochastic optimization to reconstruction ofspatial random microstructuresB. Bochenek and R. Pyrz 17Analytical approach to optimization of columns for post-buckling

VIII

behaviourB. Bochenek and M. Zyczkowski 19Optimal design of smart structures using adjoint methodZ. Mroz and D. Bojczuk 21Optimizing the composition profile of thermoelastic functionallygraded materials by using adjoint equations: case of temperature-dependent materials propertiesD. Boussaa and L. Jaballah 25Evolutionary computation in optimisation of 2-D structuresM. Szczepanik and T. Burczynski 27Optimization of Large-scale Tall Buildings using hybrid geneticalgorithmsC. Chan, P. Liu and K. Wong 29Optimum strength estimation formulae for ring stiffened tubularT-jointsH. Cho, Y. Ryu and J. Kim 31An adaptive decomposition and scheduling of multidisciplinarydesign problemsH. Park and D. Choi 33Yoke topology optimization of the bias magnetic system in amagnetostrictive sensorW. Kim and Y. Y. Kim 35Optimal design of structures subject to multiple loadingsG. Cocchetti 37Contribution to the optimization of closed-loop multibody systems:application to parallel manipulatorsJ.F. Collard, P. Fisette and P. Duysinx 39Reliability and robustness of optimized continuous castersubmerged entry nozzleK.J. Craig and G.J. de Wet 41The design and the optimization of fork-pin couplings in frontmotorbike suspensionD. Croccolo, R. Cuppini and L. Matra 43Analysis and development of a counter rotating disks brakingsystem for a motorcycle applicationD. Deutsch and D. Croccolo 45Optimum kinematic dimensional synthesis of generic mechanismsusing G.A.I. F. de Bustos, J. Aguirrebeitia, V. Gomez-Garay and R. Aviles... 47

IX

Identification of material parameters using an optimizationalgorithmD.D. delaCour 49Optimal shape and configuration optimization of multi-loadedstructures with manufacturing tolerancesK. Dems and W. Gutkowski 51Problems in layout optimization with finite-size featuresA.R. Diaz, S. Chellappa and M.P. Bendsoe 53Defining cooling strategies of electronic systems using dedicatedderivative-free optimizationL. Driessen, J. Parry, E. Stinstra and P. Stehouwer 55Structural optimization in assistance to materials selectionN.S. Ermolaeva and P.V. Kandachar 57Finite element-based optimum reinforcement dimensioning ofconcrete plates and shellsA. Tomas and P. Marti 59On globally stable singular topologiesA. Evgrafov 61Minimum cost design of ring-stiffened cylindrical shells subject toaxial compression and external pressureK. Jarmai, J. Farkas and Z. Virag 63A multicriteria shape optimization model for hip prosthesis designR.B. Ruben, J. Folgado and P.R. Fernandes 65Property optimization of vehicle body structure elements usingsimplified modelsH. Fredricson 67Topological design of water retaining structuresM.B. Fuchs and N.N.Y. Shemesh 69Optimization algorithms based on sensitivity analysis for designingplate wing on supersonic flutterH. Furuya and Y. Odaka 71Component and system reliability analysis using optimizationtechniqueG. Li and J. Meyer 73Hybrid chaos optimization algorithms for nonlinear functionsD. Yang, G. Li and G. Cheng 75Sensitivity analysis and optimization of structures for unspecifiedjoint and dynamic load parametersA. Garstecki and Z. Pozorski 77

Optimum design of steel frames with frequency constraints usingwavelet neural networksM.R. Ghasemi, E. Salajegheh and A. Ghorbani 79An optimum safety factor approach for reliability-based optimaldesignG. Kharmanda and N. Olhoff 81Stochastic multi-objective optimisation for the design of vehiclesystemsM. Gobbi and G. Mastinu 83Comparison and application of ant algorithm and other biologicalalgorithm in structural optimizationY.B. Gong , Q.Y. Li, W.Y. Li and D.G. Yang 85An integral approach to optimisation in forming technologyI. Gresovnik and T. Rodic 87On membrane elements with drilling degrees of freedom intopology optimizationC.S. Long, P.W. Loveday and A.A.GroenwoId 89On constrained optimization of structural systems using particleswarmsD.N. Wilke and A.A. Groenwold 91Selecting representative objective functions: a case study usingswarm intelligenceA.A. Groenwold and J. Farkas 93Remodeling simulation of bone structures with optimizationmethodY. Gu, B. Chen and Z. Lian 95Vibration control of piezoelectric truss structure by optimizationmethodY. Gu and G.Zhao 97A Nash game approach for multidisciplinary topology designA. Habbal, J. Petersson and M. Thellner 99Identification of material properties for lead-free solder usingmicro-indentation experiments, FE simulation and optimizationH. Hamasaki, F. Yoshida, K. Shinbata and V.V. Toropov 101Application of structure optimization technique to aluminiumbeverage bottle designJ. Han, R. Itoh, T. Hanafusa and S. Nishiyama 103The computation of optimized proposals for cast parts taking intoaccount manufacturing constraints

XI

L. Harzheim 105Decision support system for aesthetic design of bridges usingadvanced immune algorithm and ID3H. Furuta, Y. Hayashi, T. Iida, N. Kajimura and K. Tateshi 107Optimization of plastic strain-hardening plates of piece-wiseconstant thicknessH. Hein 109Use of response surface methods to aid understanding andvisualization in aircraft designC.M.E. Holden and A.J. Keane I l lLong-Distance, gradient based identification of corrosion throughanalysis of piezo-generated impulse transmissionJ. Holnicki-Szule, P. Kolakowski, A. Orlowska, A. Swiercz, D.Wiacek and T.G. Zielinski 113Identification of leakages in water networks-virtual distortionmethod approachJ. Holnicki-Szulc, P. Kolakowski and N. Nasher 115Optimal strategies of adaptive impact absorptionJ. Holnicki-Szulc, P. Pawlowski and M. Wiklo 117A cross-sectional shape initial design method for automotive framestructures using genetic algorithmsM. Yoshimura, S. Nishiwaki and K. Izui 119Remeshing-free shape optimization using the wavelet-Galerkinmethod and applications to MEMS actuator designG. Jang, Y.Y. Kim and K.K. Choi 121Optimum design of spatial trusses using hybrid formulation of theproblemS. Jendo, W.M. Paczkowski and A. Silicki 123Topology optimization of two-dimensional waveguidesJ.S. Jensen and O. Sigmund 125Robust design optimization of structures with thermal stress usingperturbation-based stochastic finite element methodZ. Kang, I. Doltsinis, G. Cheng and Y. Gu 127Second-order cone programming for contact analysis of cablenetworksY. Kanno and M. Ohsaki 129Articulated mechanism design-introduction of DOF constraintA. Kawamoto, M.P. Bendsoe and O. Sigmund 131Stacking sequence optimization of composite structures in a fuzzy

XII

environmentP. Kedziora 133Efficient reliability-based design optimization for dynamicstructuresG. Kharmanda, A. Mohsine and A. El-Hami 135Parametric study for response surface modeling using MLSM andsensitivityC. Kim, S. Wang and K.K. Choi 137Genetic algorithm in the multiresolution multiscale settingY.Y.Kim, J.D. Hoon and D.S. Kim 139Efficient eigenproblem reanalysis of structuresU. Kirsch and M. Bogomolni 141Multi-criteria shape optimization of a wind head for the coolingprocess of a panel in CRT using kriging metamodelK. Lee, K.S. Lee, Y.C. Lim and S.H. Kim 143Free material optimization with vibration and stability constraintsM. Kocvara and M. Stingl 145An empirical local convergence study of alternative coordinationschemes in analytical target cascadingN. Tzevelekos, M. Kokkolaras, P.Y. Papalambros,M.F. Hulshof, L.F.P. Etman and J.E. Rooda 147Computational geometry and design of "intelligent" structuresA.G. Kolpakov 149Optimal design of annular plates against buckling under loadingscontrolled by displacementsJ. Kruzelecki and P. Smas 151Optimal design of shells against buckling under overall bendingwith shearing force taken into accountM. Barski and J. Kruzelecki 153Parallel hybrid genetic algorithms for structural optimization oflarge-scale structures on a high performance computing systemY. Kwon and H.S. Park 155Tabu search method for structural design in a discrete designspaceK.-H. Lee, S.-H. Baek and W.-S. Joo 157Topology optimization of rubbers in the vibration isolatorsW.-S. Lee and S.-K. Youn 159Methods for generating perturbation vectors for topographyoptimization of structures

xm

J.P. Leiva 161Optimization of stepped conical shellsJ. Lellep and E. Puman 163Topology optimization of shells and surface Michell structuresS. Czarnecki, G. Dzierzanowski, T. Lewinski and J.J. Telega... 165Two-phase topology optimization of plates and three-dimensionalsbodiesS. Czarnecki, G. Dzierzanowski and T. Lewinski 167An elementary proof of the Michell sphere being the lightestamong all the uniformly stressed shell loaded by two oppositetorquesT. Lewinski 169Robust airfoil optimization in high resolution design spaceW. Li and S.L. Padula 171Optimum design of the bracket for satellite antennaO-K. Lim, W.-S. Yoo, K.-S. Hong and J.-O. Lee 173Material microstructure design for dynamic stiffness usingtopology optimization approachC.Y. Lin, S.J. Hollister and N. Kikuchi 175Shape and tailoring optimization of an aircraft air intake ramp bygenetic algorithmG. Caligiana, F. Cesari and A. Liverani 177Limit analysis and optimal design of structures made of nonlinearsoftening materialJ. Logo and A. Vasarhelyi 179A unified model for the elasto-plastic optimal design of structuressubjected to multiparameter loads and impactS. Kaliszky and J. Logo 181Analysis and design sensitivity analysis of time dependent fluid-structure interaction problems using mortar methodsL.A. Jakobsen, E. Lund and H. Moller 183Some analytical and numerical results in a class of optimizationproblemsG. Machado and L. Trabucho 185Chromosome repairing in genetic methods for multi-objectivetopology optimization of structures with equality constraint onvolumeJ.A. Madeira, H. Rodrigues and H. Pina 187Two-point mid-range approximation enhanced recursive quadratic

XIV

programming methodG. Magazinovic 189Computational tricks for efficient design sensitivity analysis ofcoupled nonlinear problemsH. Moller and E. Lund 191Gradient optimization applied to the identification of mechanicaland piezoelectric properties of active plate structuresA.L. Araujo, CM. Mota Soares, J. Herskovits and P. Pedersen... 193Application of thermographic methods in identification ofstructure propertiesZ. MrozandK. Dems 195Application of stochastic processes and Markov chains in shapeand material optimisation problems of composite structuresA. Muc 197Optimal design of resin transfer moulding processA. Muc and P. Saj 199Optimal stacking sequences for laminated compressed structureswith delaminationA. Muc and W. Gurba 201Optimal design of reinforced concrete plates by simulatedannealingI. Mura 203Shape optimization of thermoviscoelastic contact problems by levelset methodA. Myslinski 205Design of piezoelectric plate and shell actuators using topologyoptimizationM. Kogl, E.C.N. Silva and M.L. Bucalem 207Structural topology optimization of vibrating structures withspecified eigen-frequencies and eigen-modesY. Maeda, S. Nishiwaki, K. Izui, M. Yoshimura, K. Matsui and K.Terada 209Sensitivity analysis of optimized structures with Hill-TopbranchingM. Ohsaki 211Topological design optimization of 2D and 3D continuumstructures with design-dependent surface loadingJ. Du and N. Olhoff 213Parallel evolutionary algorithms for design optimization

XV

S. Krenich and A. Osyczka 215Computational procedures for plastic shakedown design ofstructuresF. Giambanco, L. Palizzolo and A. Caffarelli 217Shape optimization under static loads transformed from dynamicloadsK.-J. Park, J.-N. Lee and G.-J. Park 219On eigenfrequency optimization of plates with a holeN. L. Pedersen 221Comparison of support and layout optimization methodsV. Pomezanski and A. Vasarhelyi 223New formulation of a minimum-bias experimental design based ona Gauss quadratureX. Qu, R.T. Haftka and G. Venter 225Topology optimisation using genetic programming methodQ.Z. Zheng, O.M. Querin, D.C. Barton and R.N. Brodie 227Optimising topologies through a multi-GA systemS.Y. Woon, L. Tong, O.M. Querin and G.P. Steven 229AnyBody - a software system for ergonomic optimizationJ. Rasmussen, M. damsgaard, E. Surma, S.T. Christensen,M. de Zee and V. Vondrak 231Response surface models for design of composite stiffened shellsR. Rikards and J. Auzins 233Identification of structural matrices and model optimizationP. Rosko 235On coaxiality of stress and strain fields and stationarity of elasticenergy in anisotropic solidsM. Rovati and A. Taliercio 237A practical design optimization procedure for box girder sectionsof continuous bridgesY.-S. Ryu, J.-H. Kim, H.-M. Cho and J.-T. Kim 239An improved reliability analysis using design of experiments andan application to tolerance designH.S. Seo, B.M. Kwak, S.H. Lee and J.H. Chang 241Extended functions for the consideration of uncertainties in thedefinition of structural optimization problemsA. Schumacher 243A parallel particle swarm optimizerJ.F. Schutte, B.J. Fregly, R.T. Haftka and A. George 245

XVI

Shape optimization of a truck aluminum wheel in integratedCAD7FEM environmentG. Kortelyesi, C.E. Selley and F. Szemenyei 247On optimal geometrically non-linear trussesS.V. Selyugin 249Sensitivity analysis and optimal design of geometrically nonlinear3D frames with stress and buckling constraintsO. Sergeyev and V. Kiselev 251Robust optimal design formulation using gradient index and itsapplication to MEMS structuresJ.S. Han and B.M. Kwak 253A freeform morphing scheme for direct shape optimization ofarbitrary polygonal meshesJ. Shen, B. Maxim and K. Akingbehin 255Development of optimal design markup language and itsapplication to a CAD-based total optimal design systemJ.H. Shin and B.M. Kwak 257Optimal design of water jet nozzles utilizing independenceDesign axiomH. Shin and J. Lee 259A role reinforcement learning technique in intelligent optimizationproblemsH. Jeong and J. Lee 261Robust design optimization of extrusion slit die design usingseveral multi-objective optimization methodsS.L. Bates, J. Sienz and J.F. Pittman 263Optimization strategies for the optimization of PVC extrusion diesH.J. Ettinger, J. Sienz and J.F.T. Pittman 265Design of acoustic devices by topology optimization0 . Sigmund and J.S. Jensen 267A conjugate gradient implementation for the economical solutionof constrained optimization problems with severe noise in theobjective functionJ.A. Snyman 269Topology and sensitivity - based optimization of stiffened platesand shells1. Marczewska, W. Sosnowski, A. Marczewski and T.Bednarek 271Discrete fiber angle optimization of general shell structure using a

XVII

multi-phase material analogyJ. Stegmann and E. Lund 273Collaborative tube design optimization: an integral meta-modelingapproachE. Stinstra, P. Stehouwer and J. Van der Heijden 275A branch-and-cut method for global optimization of minimumweight truss topology problems with stress, displacement, and localbuckling constraintsM. Stolpe 277Design optimization in rotordynamics with eigenvalue constraintsF. Strauss, J. Starke and M. Inagaki 279Displacement based multilevel structural optimization and highperformance computingB.A. Houshmand, H.J. Neeman and A.G. Striz 281Optimum control with multi-objective for intelligent trussstructuresY.K. Sui and L.C. Long 283Stress-constrained truss topology problems that can be formulatedand solved as linear or convex optimization problemsK.Svanberg 285Simultaneous optimum design of structural and control systemswith consideration of location of sensor/actuatorY. tada and J. Yamazaki 287Structural topology optimization using genetic algorithm with amorphological encoding of design geometryJ. Prasad and K. Tai 289Maximum critical velocity design of adaptive panel exposed tofluid flowM. Tanaka, M. Todoh and T. Maetaka 291Topology optimization with regard to temperature dependentmaterial properties optimization - structural optimization basedon bionic principlesK. Thielemann, M. Maier, H.-G- Herrmann and P. Steibler 293Evaluation of decomposition methodology for multidisciplinaryoptimizationC. Tribes and J.-Y. Trepanier 295Optimal design of rotation ally symmetric shells for buckling undercomplex loadingsP.Trzeciak 297

XVIII

Using LDL decomposition for eigenvalue constraintT.Turkkila 299Robust design using particle swarm and genetic algorithmoptimizationG. Venter, R.T. haftka and J. S. Sobieski 301Design of composite laminates as an optimization problem: a newgenetic algorithm approach based upon tensor polar invariantsA. Vincenti, P. Vannucci and G. Verchery 303A multi-phase level set model for multi-material structuraloptimizationM.Y. Wang and X. Wang 305New approach for improving the dynamic behaviour ofcomponents through topology optimization - structuraloptimization based on bionic principlesJ. Weiss, M. Maier, H.-G.Herrmann and P. Steibler 307Topology eigenvalue optimization using the wavelet-basedmultiscale Galerkin methodY.-S. Yi and Y.Y. Kim 309Minimum feature size control scheme in topology optimization:application to MEMS designsG.H. Yoon and Y.Y. Kim 311Breakthrough of design solutions enabled by extraction of corefactors in product design optimizationM. Yoshimuro, K. Izui, S. Komori and S. Nishiwaki 313The particle swarm optimization algorithm and its application inmultidisciplinary design optimizationH. Yu and Z. Zhaoying 315Limitations of the gradient projection method in Pareto optimumsensitivity analysisW.H. Zhang, Y.C. Deng and D. Wang 317Optimization of flexible multibody dynamic systems usingequivalent static load methodB.S. Kang and G.J. Park 319Nonlinear design of trusses under multiple load cases usingcellular automataS. Missoum, M. Abdalla and Z. Gurdal 321Topology optimization for variable external forces of nonzero costG.I.N. Rozvany, J. Logo and S. Kaliszky 323Global optimization for structural design by general random

XIX

tunneling algorithmS. Kitayama and K. Yamazaki 325Optimum design of lateral braces of columns under bucklingconstraints considering critical imperfectionJ. Takagi and M. Ohsaki 327Shape optimization of a bowM. Pagitz and K.-U. Bletzinger 329Sail optimization for maximal speed designC. Cinquini, A. Gobetti and R. Nascimbene 331ELAnO - Development and design of Innovative lightweightstructures applying adapted analysis and optimization methodsJ. Sauter, K.-U. Bletzinger and F. Daoud 333Optimal shape design of an electrostatically actuated micro-beamincludng geometric non-linearity against pull-in instabilityM.M. Abdalla, C.K. Reddy, W.F. Faris and Z. Gurdal 335On a maximization (worst scenario) problem for viscoelastic longmemory structuresI. Bock 337Optimal location of nonlinear support using topology optimizationS. Wang, S. Ki and H. Moon 339Sensitivity analysis of multipliers and regions of parametricresonanceA.P. Seyranian 343Optimal automatic design of crank-shaftsL. Bertini, S. Barone and A. Curcio 345Recent advances in the application of topology optimization indesignU. Schramm 347Optimization of vibrating column with periodic cross-section andon various foundationA. Gajewski and Z. Piekarski 349An optimized approach for the design of microfabricatedcompliant mechanismsF. deBona and M. Munteanu 351The optimal shape of complex bodies: influence of the modeling ofmaterial substructureP.M. Mariano and P. Venini 353Optimization of L-shaped laminated plates via motar spectralmethod

XX

C. Cinquini, C. Mariani and C. Masanta 355Sparse point interpolation in application to the functionaladaptation of boneJ. Piekarski 357Kriging response surfaces as an alternative implementation ofreliability based design optimizationC.A. Pretorius, K.J. Craig and L.J. Haarhoff 359Durability of prosthesis in osteoporotic bone - an optimal responseapproachT. Lekszycki and P. Maldyk 361Optimal shape design of implants under bone remodelingconditionsT. Lekszycki and J. Piekarski 363Minimization of mistuned rotor response through an evolutionaryalgorithmJ.M. Brown, B.K. Beachkofski and R.V. Grandhi 365Different approaches to deal with bounded-but-unknownuncertainty-based design optimization: application to MEMSS.P. Gurav, M. Langelaar, J.F.L. Goosen and F. van Keulen 367Topology optimization with linear buckling responses - softwareand applicationsM. Zhou, N. Pagaldipti and Y.K. Shyy 369Efficient product portfolio reductionR. Fellini, M. Kokkolaras and P. Papalambros 371Response surface method applied to practical response functions instructural optimizationK. Vervenne, R.T. Haftka and F. van Keulen 373Identification of elastic constants of micropolar solids using anoptimization approachJ. Fatemi and F. van Keulen 375An examination of immune algorithm for structural andproduction designT. Miyashita 377Errors in optimization using response surface method andresulting physical phenomenaH. Yamakawa, T. Sugisawa and T. Miyashita 379Identification of elastoplastic model parameters in largedeformation problems using GBMMA methodsP.-P. Jeunechamps, J. Walmang, E.Delhez, P. Duysinx,

XXI_

A.-M. Habraken, J.-P. Ponthot and P. Tossings... 381Optimization of acoustic sensitivity of fiber lasers' opticalfrequency by package designL.V. Hansen 383Performance of the FSD in shape and topology optimization oftwo-dimensional structures using continuous and truss-like modelsC.G. Provatidis and D.T. Venetsanos 385Size optimization of two-dimensional T-shaped frames using avirtual energy methodP.A. Makris, C.G. Provatidis, D.A. Rellakis andD.T. Venetsanos 387Minimization of probabilistic analysis confidence interval througha novel experimental design processB.K. Beachkofski and R.V. Grandhi 389FAIPAMDO: A mathematical programming algorithm formultidisciplinary design optimizationJ. Herskovits , P. Mappa and CM. Mota Soares 391Multidisciplinary in the optimization of machine elementsF.J. Szabo 393Optimum design of the lead profile in the helical gears for thenoise reduction using a response surface methodC.I. Park 395Minimum compliance density based topology optimization ofstructuresS. Liu, H. jia and D. Wang 397Buckling optimization of cylindrical shells with porous materialcoreS. Liu, X. Chen and X. Cao 399Sequential approximate programming approach for reliability-based structural optimizationG. Cheng and L. Xu 401Combined design, orientation and shape for stiffness and/orstrength with orthotropic materialsP. Pedersen 403Optimization of structures under fracture mechanics constraintsusing probabilistic approachesN.V. Banichuk, F. Ragnedda, M. Serra and P. Venini 405Minimum cost of reinforced concrete building grillages bysimulated annealing

XXII

M. Kripka 407Continuum-based topology design optimization using reproducingkernel methodS. Cho and J. Kwak 409Reliability-based robust topology design optimization of nonlinearstructuresH.-S. Jung, S. Cho and Y.-S. Yang 411Efficient evaluation approaches for probabilistic constraints inreliability-based design optimizationB.D. Youn, K.K. Choi and R.-J. Yang 413Design sensitivity analysis of nonlinear shell structuresK.K. Choi, K. Yi and N.H. Kim 415Reliability-based design optimization of structural durabilityunder manufacturing tolerancesK.K. Choi and B.D. Youn 417Optimisation of rubber to metal devices design using an innovativeapproach in elastomers modellingD. Vetturi and A. Magalini 419Optimization of railway wheel profile using multipointapproximation methodI.Y. Shevtsov, V.L. Markine and C Esveld 421Topology optimization of transient 2D-frames for conceptualcrashworthiness designC.B.W. Pedersen 423Design and optimizationof helicopter skid landing gears withmulti-body analysesA. Airoldi and L. Lazzi 425A new formulation of the truss topology optimization with localbuckling constraintsY. Wang, L. Huang and G. Sun 427Meshfree method for shape optimization of cooling fins: shapedependence on conductivity parametersF. Bobaru and S. Rachakonda 429Treating the problem of non-assembly for dimensional synthesis ofspatial mechanismO.F. Jensen and J.M. Hansen 431A grid-based problem solving environment that uses theMaster/Worker paradigm to parallelize DoE/RSM/Data fusionsearch computations

XXIII

A.D. Scurr, A.J. Keane, S. Leary, A. Sobester and A. Gould 433Optimum blank design for sheet metal forming process using high-and low-fidelity modelsR. Hino, F. Yoshida and V.V. Toropov 435Adaptive shape optimization of structure using genetic algorithmsA. Dutta 437Post-optimality approximation based on kriging methodH.J. Cao and B.Y. Duan 439On dynamic optimization of the deployable large flexible netantenna used for satelliteY. Luo and B.Y. Duan 441Large scale multiobjective optimization of rigidified inflatablestructures using physical programmingA. Messac, S. Van Dessel, A.A. Mullur and A. Maria 443Reliability based optimization of disc spring using DOE and microgenetic algorithmT. Kim and J. Lee 445Optimizing the optimized: weight reduction of an Fl car compositecomponentsL.F. Alvarez, R. Jones, M. Gambling, C. Reynolds andV.V. Toropov 447