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Where are we in topology optimization?
Glaucio H. Paulino Donald and Biggar Willett Professor of Engineering University of Illinois at Urbana-Champaign Where are we in topology optimization? 10th World Congress on Structural and Multidisciplinary Optimization Orlando, Florida. May 23, 2013 Number of Abstracts/Papers 45 40 35 30 25 20 15 10 5 0 Disclaimers and Credit • “Where are we in topology optimization?” o Well‐posed question, ill‐posed solution • “The Apprentice” • Figures were used as a means to illustrate the topics • Apologize in advance for any omission • Credit: Evgueni Filipov and Xiaojia (Shelly) Zhang, Tomas Zegard • Over 144 papers related to topology optimization • 22 countries with papers in topology optimization 45 Number of Abstracts/Papers 40 USA Japan 35 China 30 Korea 25 Germany 20 Denmark Poland 15 10 France Brazil 5 Australia 0 UK 41 Sweden 18 Spain 3 3 15 Portugal 2 10 Italy 2 10 Belgium 2 10 Russia 1 6 Netherlands 1 5 Israel 1 5 Iran 1 3 Hungary 1 3 Finland 1 • Over 144 papers related to topology optimization 30 25 20 Multiphysics 15 New optimization methods 26 23 Novel industry applications 20 Uncertainty, material imperfections 15 15 12 11 9 8 5 10 5 Stress constraints and fatigue/fracture 0 Materials, microstructures Education and art Fibers and discrete elements Transitions to 3D Materials, microstructures Ground structures Stress constraints and fatigue/fracture Uncertainty, material imperfections Novel industry applications New optimization methods Ground structures Multiphysics Number of Abstracts/Papers • 10 categories of papers in topology optimization Transitions to 3D Fibers and discrete elements Education and art Fibers and discrete elements Hierarchical optimization of laminated fiber reinforced composites Rafael T.L. Ferreira , Helder C. Rodrigues , Jose M. Guedes , Jose A. Hernandes Topology optimization of discrete structures and lattices considering manufacturing cost Topology Optimization for Reinforced Concrete Design using Bilinear Truss‐Continuum Material Models A. Asadpoure; J.K. Guest; L. Valdevit Univ of California Irvine USA Yang Yang,Andrew T. Gaynor, James K. Johns Hopkins University USA Guest, Cris Moen Seung‐Hyun Ha; Vivien J. Challis; Estimating Material Cross‐Property Bounds with Topology James K. Guest; Joseph F. Grotowski; Johns Hopkins University USA Optimization Anthony P. Roberts Discrete Topology Optimization Based on Truss‐Like Rutgers University; Kemin Zhou,Hae Chang Gea China Continuum Huaqiao University Hierarchical optimization of laminated fiber reinforced R.T.L. Ferreira; H.C. Rodrigues; J.M. Instituto Tecnológico de Brazil composites Guedes; J.A. Hernandes Aeronáutica Topology and lay‐up optimization of multi‐layered Gabriel Delgado, Grégoire Allaire Ecole Polytechnique France composite materials A Design Method for Optimal Redundant Truss Structures Rie Kohta; Makoto Yamakawa; Naoki with Certain Redundancy Based on Combinatorial Rigidity Katoh; Yoshikazu Araki; Makoto Kyoto University Japan Theory Ohsaki Engineering A New Accelerated Multi‐objective Particle Swarm France R. Ellaia / A. Habbam / E. Pagnacco Mohammadia School Algorithm. Applications to Truss Topology Optimization Uncertainty, manufacturing constraints, geometric and material imperfections (1/2) Casting constraints in structural optimization Variational design sensitivity analysis of a non‐ via a level‐set method. Gregoire Allaire, Francois linear solid shell with applications to buckling Jouve, Georgios Michailidis analysis. N. Gerzen, F. J. Barthold Robust topology optimization of slender structures with geometric imperfections Topology Optimization under Fabrication Uncertainties Topology optimization under casting and milling constraints Topology optimization of structures under stochastic excitations Casting constraints in structural optimization via a level‐ set method Variational design sensitivity analysis of a non‐linear solid shell with applications to buckling analysis Topology optimization of masonry blocks with enhanced thermomechanical performances Miche Jansen, Geert Lombaert, Mattias Schevenels, Boyan S. Lazarov, DTU Ole Sigmund University of M. Tootkaboni, A. Asadpoure, J.K. Massachusetts Guest Dartmouth Denmark USA Mu Zhu, James Guest Johns Hopkins University USA Junho Chun; Junho Song; Glaucio H. Paulino Gregoire Allaire; Francois Jouve; Georgios Michailidis University of Illinois at Urbana‐Champaign Ecole Polytechnique of Paris Nikolai Gerzen; Franz‐Joseph Barthold TU Dortmund USA France Germany Dept. of Civil Engineering Matteo Bruggi; Carlo Cinquini; Alberto and Architecture, Italy Taliercio University of Pavia, Italy b f Uncertainty, manufacturing constraints, geometric and material imperfections (2/2) Topology optimization of masonry blocks with enhanced thermomechanical performances. Matteo Bruggi, Carlo Cinquini, Alberto Taliercio Design Exploration of Robust Topologies under the Loading Uncertainty for the Lug Structure of Super Sonic Transportation . H.Shin, Y. Hirano A. Todoroki Topology optimization of compliant mechanisms designed Cristina Alonso; Ruben Ansola; with multiple materials Osvaldo M. Querin State Key Laboratory for Structural Analysis of China Industrial Equipment University of The Basque Spain Country Adaptive topology optimization based on fully error control for separated fields Yiqiang Wang, Zhen Luo, Zhan Kang The University of Australia Technology, Sydney (UTS) Shape optimization of cold‐formed steel beams and columns with manufacturing constraints Jiazhen Leng; Zhanjie Li; James K. Guest; Benjamin W. Schafer Dept. of Civil Engineering, USA Johns Hopkins University Advances in Multiscale Concurrent Topology Optimization Yan Jun;Hu Wenbo; Duan Zunyi of Lattice Materials Comparison between reliability based and robust topology Boyan S. Lazarov and Ole Sigmund optimization considering uncertainties in the geometry A simplified approach to the topology optimization of structures in case of unilateral material/supports Compliance based column topologies generated for maximal buckling load Design Exploration of Robust Topologies under the Loading Uncertainty for the Lug Structure of Super Sonic Transportation Department of Mechanical Engineering Denmark Matteo Bruggi; Pierre Duysinx Politecnico di Milano Italy Bogdan Bochenek, Katarzyna Tajs‐ Zielinska Cracow University of Technology Poland HYUNJIN SHIN; YOSHIYASU HIRANO; AKIRA TODOROKI Tokyo Institute of Technology Japan Transitions to 3D Robust topology optimization of 2D and 3D continuum and truss structures using a spectral stochastic finite element method JNRichardson, R.FCoelho and S. Adriaenssens Topology Optimization using Polytopes Generating 3D Topologies with Multiple Constraints on the GPU Krishnan Suresh Arun L. Gain, Glaucio H. Paulino, Leonardo Duarte, Ivan F.M. Menezes Discrete Object Projection – New Restriction Capabilities in James K. Guest Topology Optimization Robust topology optimization of 2D and 3D continuum and James N Richardson; Rajan Filomeno truss structures using a spectral stochastic finite element Ceolho; Sigrid Adriaenssens method Generating 3D Topologies with Multiple Constraints on the Krishnan Suresh GPU Three‐dimensional topology optimization via B‐splines Mingming Wang, Xiaoping Qian Photomask optimization of micromachined 3D structure Tsuyoshi Nomura; Takashi Ozaki; using multistep projection targeting minimization of Norio Fujitsuka; Keiichi Shimaoka residual displacement A 3D topology optimization model of the cathode air supply Xiankai Song Alejandro R Diaz Andre channel in planar solid oxide fuel cell Benard Application of X‐FEM in Isoline/Isosurface Based Topology Meisam Abdi; Ian Ashcroft; Ricky Optimization Wildman Three‐dimensional topology optimization of microstructure Junji Kato; Daishun Yachi; Kenjiro for composites applying a decoupling multi‐scale analysis Terada; Takashi Kyoya University of Illinois at Urbana‐Champaign USA Johns Hopkins University USA Université libre de Bruxelles Univ of Wisconsin, Madison Illinois Institute of Technology Belgium USA USA Toyota Research Institute USA of North America Michigan State University USA University of Nottingham UK Tohoku University Japan Stress constraints and fatigue/fracture optimization (1/2) Global and clustered approaches for stress constrained topology optimization and deactivation of design variables. Erik Holmberg, Bo Torstenfelt, Anders Klarbring A Method for Fatigue‐Based Topology Optimization Optimal topology design of continuum structures with stress concentration alleviation via level set method Topology Optimization Method for Dynamic Fatigue Constraints Problem Julian Norato; Chau Le Wei Sheng Zhang; Xu Guo Seung Hyun Jeong; Dong‐Hoon Choi; Gil Ho Yoon Caterpillar Inc. Dalian University of Technology USA Hanyang University Korea Stress‐based Topology Optimization of Thermal Structures Joshua D. Deaton, Ramana V. Grandhi Wright State University A new approach for stress‐based topology optimization: internal stress penalization An enhanced aggregation method for stress‐constrained topology optimization problems Optimization of bolt stress Topology Optimization for Maximum Von‐Misses Stress Constraint Problems Using the Level Set Method and the KS Function Alexander Verbart; Matthijs Langelaar; Fred van Keulen Michael Yu Wang; Yangjun Luo Niels Leergaard Pedersen Takayuki Yamada, Kazuhiro Izui, Shinji Nishiwaki China USA National Aerospace Netherlands Laboratory (NLR) The Chinese University of China Hong Kong DTU Denmark Kyoto University Japan Stress constraints and fatigue/fracture optimization (2/2) Optimal Free‐form Design of Shell Structure for Stress Minimization M. Yonekura, M.Shimoda and Y. Liu Interior Value Extrapolation ‐ A new method for stress evaluation during topology optimization Henrik Svard Global and Clustered approaches for Stress and Fatigue Constraints in Topology Optimization Erik Holmberg;Bo Torstenfelt;Anders Klarbring DTU Sweden Topology Optimization With Vanishing Constraints W. Achtziger University of Erlangen‐ Nuremberg Germany Gil Ho Yoon Hanyang University Korea Henrik Svärd KTH Royal Institute of Technology Sweden Sierk Fiebig Joachim K. Axmann Volkswagen Ag Germany Hao Hu Gang Li Dalian University of Technology China Masato YONEKURA; Masatoshi SHIMODA; Yang LIU Toyota Technological Institute Japan Element connectivity parameterization method for the stress based topology optimization for geometrically nonlinear structure IVE: A new method for stress evaluation during topology optimization Using a binary material model for stress constraints and nonlinearities up to crash in topology optimization A Comparison of Evolutionary Algorithms on Stress‐ constrained Multi‐objective Topology Optimization of Truss Structures Optimal Free‐form Design of Shell Structure for Stress Minimization Fluids, dynamics and multiphysics (1/3) Topology Optimization of silver nano‐particles in thin film solar cells Soohwan Byun, Jeonghoon Yoo Topology optimization for effective energy dissipation in elastoplastic systems A Level‐set Method for Optimizing the Topology of Cooling/Heating Devices using Natural Convection Topology Optimization of Fluid‐Structure Interaction Problems using Levelset and Extended Finite Element Methods. Praveen Nakshatrala; Daniel Tortorelli Peter Coffin; David Makhija; Kurt Maute Jenkins, N.J., Maute, K. Jun Sérgio Ono Fonseca; Otávio Augusto Alves da Silveira; Odair Menuzzi Polygonal multiresolution topology optimization for Evgueni T. Filipov; Junho Chun; structural dynamics Glaucio H. Paulino; Junho Song Dynamic Topology Optimization of Continuum Structure by Hongling Ye;Yaoming Li; Yanming Using Independent Continuous Mapping Method Zhang; Yunkang Sui Invention for Fluid Characterization, based on Topology Fridolin Okkels Optimization Development of functionally graded flextensional Ricardo C. R. Amigo, Emílio C. N. Silva piezoelectric devices designed by topology optimization Topological optimization of microstructure by means of Tadeusz Burczynski Waclaw Kus bio‐inspired methods Arkadiusz Poteralski A fluid topology optimization method updating domain concurrently with solving unsteady Lattice Boltzmann Kazuo Yonekura method for low Reynolds number flow Topological optimization and control for reducing vibration in a beam using piezoelectric material University of Illinois USA Univ of Colorado USA University of Colorado, Boulder USA Universidade Federal do Brazil Rio Grande do Sul University of Illinois at Urbana Champaign Beijing University of Technology USA China DTU Nanotech Denmark University of Sao Paulo Brazil Silesian University of Technology Poland IHI Corporation Japan Fluids, dynamics and multiphysics (2/3) Level Set Based Topology Optimization for Optical Cloaks Containing a Large Scattering Object Garuda Fujii, Hayato Watanabe, Takayuki Yamada, Tsuyoshi Ueta, Mamoru Mizuno y A topology optimization framework of damping layer design for minimizing acoustic radiation in unbounded domain A Topology Description Function Based Approach for Optimal Design of Piezoelectric Mass Sensors Topology Optimization of Magnetic Vibration Energy Harvesters Topology optimisation for coupled convection problems Sensitivity Analysis in the Level Set Method for Electromagnetic Problems Topology Optimization with Design Domain Projection applicable to Permanent Magnet Design in Magnetic Fluid Heat Transfer System Topology optimization of silver nano‐particles in thin film solar cells Filter in topology optimization based on linear diffusion equation Vibro‐Acoustic Microstructural Topology Optimization Xiaopeng Zhang; Zhan Kang Dalian University of Technology China Zheqi Lin;Xuansheng Wang Sun Yat‐sen University China Jaewook Lee; Sang Won Yoon Korea Aerospace University Korea Joe Alexandersen, Casper Schousboe Technical University of Andreasen, Niels Aage, Boyan Denmark, DTU MEK Stefanov Lazarov, Ole Sigmund Denmark S.M. Townsend; S.W. Zhou; Q. Li Australia University of Sydney Jaewook Lee; Tsuyoshi Nomura; Ercan Korea Aerospace M. Dede University Soohwan Byun;Jeonghoon Yoo Qinghai Zhao; Xiaokai Chen; Zheng‐ Dong Ma; Yi Lin Jianbin Du; Ruizhen Yang Graduate School of Mechanical Engineering Beijing Institute of Technology Tsinghua University Korea Korea China China Fluids, dynamics and multiphysics (3/3) Topological Shape Optimization of Multiphysics Actuators using Level Set Method Zhen Luo, Yu Wang, Nong Zhang Topology optimization with a mixed u/p finite element formulation for acoustic‐porous‐structure interaction system Gil Ho Yoon Hanyang University Korea Topological shape optimization of multiphysics actuators ZHEN LUO, YIQIANG WANG, YU WANG, The University of Australia using level set methods NONG ZHANG Technology, Sydney (UTS) D. Ruiz, J.C.Bellido, A. Donoso, J.L Simultaneous optimization of structure and electrode Sánchez‐Rojas layouts for in‐plane piezoelectric sensors and actuators Shape optimization under vibroacoustic criteria in the Troian Renata Besset Sebastien Gillot mid–high frequency range Frederic Level set based topology optimization of directly bonded Tsuyoshi Nomura, Sang Won Yoon, copper substrates targeting thermal stress minimization on Jaewook Lee and Ercan M. Dede die‐substrate bonding line Garuda Fujii; Hayato Watanabe; Level set based topology optimization for optical cloaks Takayuki Yamada; Tsuyoshi Ueta; containing a large scattering object Mamoru Mizuno On the Use of MPCCs Combined Topological and Tinghao Guo; James T. Allison Parametric Design of Genetic Regulatory Circuits Seiji Kubo;Kentaro Yaji;Takayuki Level Set Based Topology Optimization of Switching Fluidic Yamada;Kazuhiro Izui;Shinji Device for Incompressible Viscous Flow Nishiwaki University of Castilla la‐ Spain Mancha Ecole Central de Lyon France Toyota Research Institute USA of North America Akita Prefectural University Japan University of Illinois at Urbana‐Champaign USA IHI Corporation Japan Materials, cellular structures and microstructures (1/2) Topology Optimization for Highly‐efficient Light‐trapping Structure in Solar Cell Shuangcheng Yu, Chen Wang, Cheng Sun, Wei Chen* Highly Efficient Light‐trapping Structure for Thin‐film Solar Cells using Topology Optimization Topology optimization of phononic crystals for self‐ collimation of elastic waves Shuangcheng Yu;Chen Wang;Cheng Northwestern University USA Sun;Wei Chen Jun Hyeong Park, Pyung Sik Ma, Yoon Seoul National University Korea Young Kim Level set‐based topology optimization of acoustic metamaterials Masaki Otomori;Lirong Lu;Shinji Nishiwaki;Takayuki Yamada;Kazuhiro Kyoto University Izui;Takashi Yamamoto Multi‐Criteria Multi‐Material Topology Optimization of Laminated Composite Structures including Local Constraints (submitted to the session "Optimization of composite structures") Structural optimization of super‐repellent surfaces Department of Mechanical and Erik Lund; Rene Sørensen; Søren Manufacturing Nørgaard Sørensen Engineering, Aalborg University Andrea Cavalli; Peter Bøggild; Fridolin Technical University of Okkels Denmark Japan Denmark Denmark Materials, cellular structures and microstructures (2/2) Reduction of the Free Material Design problem to a locking material formulation Slawomir Czarnecki and Tomasz Lewi´nski Level Set‐based Topology Optimization of Acoustic Metamaterials Masaki Otomori, Lirong Lu, Shinji Nishiwaki, Takayuki Yamada, Kazuhiro Izui, Takashi Yamamoto Tailoring Nonlinear Cellular Material Response through Reza Lotfi James Guest Topology Optimization Multiscale topology optimization of cellular sandwich and Coelho P.G.; Rodrigues H.C. laminated structures The Johns Hopkins University New University of Lisbon Portugal Multiscale topology optimization of structures and non‐ periodic cellular materials Kai Liu;Kapil Khandelwal;Andrés Tovar Topology optimization for the microstructure design of plasmonic composites Masaki Otomori;Jacob Andkjær;Ole Kyoto University Sigmund;Takayuki Yamada; Kazuhiro Topology optimization of dielectric composite hyperelastic Y.Wakukawa; A.Kitagawa; T.Yamada; materials using level set boundary expressions K.Fuchi; K.Izui; S.Nishiwaki; A.Diaz USA Indian University ‐Purdue USA University Indianapolis Kyoto University Warsaw University of Reduction of the Free Material Design problem to a locking Slawomir Czarnecki ; Tomasz Lewinski Technology, Faculty of material formulation Civil Engineering Japan Japan Poland Novel industry applications (1/2) Wing Topology Optimization with Self‐Weight Loading Lus Felix1, Alexandra A. Gomes, Afzal Suleman Minimizing Machinery Vibration Transmission in a Lightweight Building using Topology Optimization. Niels Olhoff, Bin Niu Topology and Topometry Optimization of Crash Applications with the Equivalent Static Load Method Heiner Müllerschön; Andrea Erhart; Peter Schumacher Design of deployable structures using topology optimization Saranthip Rattanaserikiat; James K. Guest On Challenges and Solutions of Topology Optimization for Wenjiong Gu Aerospace Structural Design Sen Lin, James K. Guest, Yongbo Deng, Re‐design of Tesla valves using topology optimization Zhenyu Liu Luis Félix;Alexandra A. Gomes; Afzal Wing Topology Optimization with Self‐Weight Loading Suleman Multidisciplinary Level Set Topology Optimization of the Mr Christopher J. Brampton; Dr Peter Internal Structure of an Aircraft Wing D. Dunning; Dr H. Alicia Kim Lauren L. Beghini; William F. Baker; An integrated structural topology optimization framework Alessandro Beghini; Glaucio H. for the design of high‐rise buildings Paulino Minimizing machinery vibration transmission in a lightweight building using topology optimization Niels Olhoff; Bin Niu About Self‐Penalization in Topology Optimization Fabian Wein DYNAmore GmbH Germany Johns Hopkins University, Civil Engineering USA Department United Technologies USA Research Center Johns Hopkins University USA Instituto Superior Técnico Portugal University of Bath UK University of Illinois at Urbana‐Champaign USA Dept. of Mechanical and Manufacturing Denmark Engineering, Aalborg University University Erlangen‐ Germany Nuremberg Novel industry applications (2/2) Design of a far‐infrared lens based on topology optimization Yuya Akatsuchi, Takayuki Yamada, Kazuhiro Izui, Shinji Nishiwaki,Makoto Ohkado, Tsuyoshi Nomura g Topology optimization of dielectric ring resonators in application on laser resonators and optical sensors Akihiro Takezawa; Masanobu Haraguchi; Toshihiro Okamoto; Mitsuru Kitamura Hiroshima university Japan A case study of multicriteria shape optimization of thin structures A. Benki ; A. Habbal INRIA France Xiaojun Gu; Jihong Zhu; Weihong Zhang Sonja Mars; Jakob Schelbert; Lars Schewe university of Shanghai for Science and technology Dalian University of Technology Chair of Structural Analysis, Technical University of Munich Northwestern Polytechnical University FAU Erlangen‐Nürnberg, Discrete Optimization Peter M. Clausen FE‐DESIGN GmbH O‐Kaung Lim; Eun‐Ho Choi; Eung‐ Young Choi; Jin‐Rae Cho Kohei Shintani; Hideyuki Azegami Yuya Akatsuchi; Takayuki Yamada; Kazuhiro Izui; Shinji Nishiwaki; Makoto Ohkado; Tsuyoshi Nomura Pusan National University Nagoya University Bionic Growth Technique of Stiffener Layout for Plate and Shell Structures Based on Optimality Criteria Method Xiaohong Ding; Jin Ji A hybrid approach to structural topology optimization of vehicle for crashworthiness Gengdong Cheng; Kun Yan Isogeometric Layout Optimization of Shell Structures Using Michael Breitenberger;Kai‐Uwe Trimmed NURBS Surfaces Bletzinger The Novel Lattice Structure Design for the SL Investment Casting Patterns How to route a pipe ‐ Discrete approaches for physically correct routing Combining the best of both worlds ‐ shape optimization using a combination of homogenization and sensitivity based method Topology optimization of section for wind turbine blade Shape optimization for brake squeal Design of a far‐infrared lens based on topology optimization Kyoto University China Chna Germany China Germany Deutschland Korea Japan Japan New optimization methods and theories (1/2) A general topology optimization framework for polygonal finite element meshes in arbitrary domains Pontifical Catholic I. Menezes; A. Pereira; C. Talischi; G.H. University of Rio de Paulino Janeiro (PUC‐Rio) University of Illinois at Glaucio H. Paulino Cameron Talischi Urbana‐Champaign Stable topology optimization Using Polygonal Finite Elements On Numerical Instabilities of the Extended Finite Element Method for Topology Optimization Smooth topology optimization results using continuous density functions Topology optimization using the material density as a level set function Topological Optimization through Insertion and Configuration of Finite‐sized Holes and Inclusions An adaptive topology optimization approach based on mesh‐independent density interpolation Anand Parthasarathy and Ashok Kumar FERNANDEZ L. F.; GUARNERI P.; FADEL G. Improved Two‐Phase Projection Topology Optimization Josephine V. Carstensen; James K. Guest Topological Derivative Corresponding to Insertion of a Spherical Inclusion Effect of different isogeometrical methodologies on topological structural optimization Topology optimization using the p‐version of finite element method Phase field approach to topology optimization of contact problems An adaptive topology optimization approach based on mesh‐ independent density interpolation Zhan Kang*, Yiqiang Wang Kurt Maute and David Makhija Hung‐Yun Lin; Ganesh Subbarayan Zhan Kang Brazil USA University of Colorado USA University of Florida USA CLEMSON UNIVERSITY USA Purdue University USA Dalian University of Technology Department of Civil Engineering, Johns Hopkins University China USA Hung‐Yun Lin; Ganesh Subbarayan Purdue University USA B. Hassani S. M. Tavakkoli Ferdowsi University of Mashhad Iran Tam Nguyen Northeastern University USA A. Myslinski Systems Research Institute Poland New optimization methods and theories (2/2) On the similarities between micro/nano lithography and Miche Jansen; Boyan S. Lazarov; topology optimization projection methods Mattias Schevenels; Ole Sigmund An implementation of level set based topology optimization David Herrero, Jesus Martínez, and using GPU Pascual Martí Numerical study of avoiding mechanism issues in Guilian Yi;Yunkang Sui structural topology optimization Element energy based method for topology optimization Vladimir Uskov Maximum member sizes and multiple concurrent optimization paths within a binary material topology optimization method C.Brecher, S. Schmidt, S. Fiebig Technical University of Denmark Technical University of Cartagena (UPCT) Denmark Spain Univ of Florida USA Central Aerohydrodynamic Institute (TsAGI) Russia Multiple concurrent optimization paths in evolutionary Christian Brecher, Sierk Fiebig, Simo topology optimization considering maximum member sizes Schmidt Werkzeugmaschinenlabo Germany r der RWTH Aachen Sensitivity analysis with the eXtended Finite Element Method Laurent Van Miegroet; Lise Noël; Emmanuel Tromme; Pierre Duysinx; University of Liège Belgium A Numerical Form Finding Method for Minimal Surface of Membrane Structure Kouichi Yamane;Masatoshi Shimoda Graduate School of Toyota Technological Institute Japan Technical University of Denmark Denmark Topology Optimization using an Explicit Interface Representation On multigrid‐CG for efficient topology optimization Level‐set and ALE based topology optimization using nonlinear programming h‐Adaptive Extended Finite Element Method for Structural Optimization Asger Nyman Christiansen; Morten Nobel‐Jørgensen; Niels Aage; Ole Sigmund; Jakob Andreas Bærentzen Oded Amir; Niels Aage; Boyan S. Lazarov Shintaro Yamasaki; Atsushi Kawamoto; Tsuyoshi Nomura Xuefeng Tian; Michael Yu Wang Technion ‐ Israel Institute Israel of Technology Osaka University Japan The Chinese University of China Hong Kong On the adaptive ground structure approach for multi‐load truss topology optimization. T. Sokół, G.I.N. Rozvany Topology design of trusses using a Voronoi‐based ground structure method Ground structures and Michell structures Sushant Maheshwari; Xiaojia Zhang; University of Illinois at Adeildo Ramos Jr.; Glaucio H. Paulino Urbana‐Champaign USA Johns Hopkins University ‐ Civil Engineering USA Andrew T. Gaynor; James K. Guest Department On the adaptive ground structure approach for multi‐load Tomasz Sokól; Tomasz Lewinski, Warsaw University of Poland truss topology optimization George I.N. Rozvany Technology KUFNER Tobias; STROHMEYER Friedrich‐Alexander‐ Structural Optimization of Timoshenko Beam Networks Christoph; STINGL Michael; University Erlangen‐ Germany LEUGERING Günter Nuremberg Kielce University of Topology and Configuration Optimization of Trusses Based Dariusz Bojczuk; Anna Rebosz‐Kurdek Poland Technology on Virtual Bars Concept PZT layout optimization in semi‐active vibration control Akihiro Takezawa; Kanjuro Makihara; systems of large space truss structures based on ground Hiroshima university Japan Nozomu Kogiso; Mitsuru Kitamura structure approach Budapest University of Extension of Michell’s theory to exact stress‐based multi‐ G. I. N. Rozvany T. Sokol Technology and Hungary load truss optimization Economics Ground structure based linkage mechanism topology Seoul National optimization: new formulation and applications including Suh In Kim; Yoon Young Kim Korea University, Korea automobile steering system design Federal University of A ground structure approach for topology optimization of Brazil Adeildo Ramos, Glaucio H. Paulino Alagoas (UFAL) nonlinear trusses Tampere University of Distributed loads in truss topology optimization Kristo Mela; Juhani Koski Finland Technology Density filters for topology optimization based on the KTH Royal Institute of Krister Svanberg; Henrik Svärd Sweden geometric and harmonic means Technology Toyota Technological Free‐form Optimization Method for Designing Spatial Masatoshi Shimoda; Fuminolri Japan Institute Framed Structure Hayashi; Naoki Umeda; Yang Liu A Gradient‐based Approach to Truss and Frame Topology Optimization with Integer Design Variable Constraints Educational and artistic applications The use of topology optimization for artistic image generation A design optimisation course with a focus on industrial applications Innovative Engineering Curricula and University Design Competition Applications of Altair OptiStruct and HyperStudy Structural Optimization CAE Tools A discussion about choosing an objective function and constraints in structural topology optimization Improving Topology Optimization using Games Yoon Young Kim; Eun Il Kim; Byeongseong Ahn Seoul National University Korea Vassili Toropov University of Leeds UK David Schmueser;Matthias Goelke Altair Inc USA Yunkang Sui;Guilian Yi Univ of Florida USA Morten Nobel‐Jørgensen; Asger Nyman Technical University of Christiansen; Jakob Andreas Denmark Bærentzen; Niels Aage; Ole Sigmund Denmark Open Areas: Opportunities and Challenges • • • • • • • • • • • • Stress constraints Restriction Methods Integration with optimization theory, e.g. treatment of vanishing constraints (non-convex problem formulations) Algorithms – efficient algorithms specialized for both deterministic and non-deterministic topology optimization Verification: Understanding difference between benchmark and numerical solutions Computational Efficiency (HPC, CPUs, GPUs) Multiphysics: electromagnetics, antena Multiscale topology optimization Interpolation schemes (micro/mesomechanics) Local Buckling; Low density areas (nonlinear TOP) RBTO Integration of topology optimization and fine arts Questions?
