Force Method Optimization

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Force Method Optimization

Author : R. A. Gellatly
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Force Method Optimization by : R. A. Gellatly

Download or read book Force Method Optimization written by R. A. Gellatly and published by . This book was released on 1980 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: To overcome problems arising from the rigorous representation of stress constraints in structural optimization, the use of the force method is demonstrated. The force method of finite element analysis is used to transform a stress-constrained redundant structure into a stress and displacement constrained determinate structure for the purposes of optimization. The resulting problem is non-linear, but the use of a linear programming stage is effective in providing a rapid convergence on the optimum design in many cases. Problems which hitherto required many iterations to converge are now solvable in only one or two steps. The rate of constraint numbers versus numbers of variables is investigated analytically using a 22-bar truss problem as an example. The vital key in optimization technology is identified as the identification of active constraints. The incorporation of displacement constraints into the optimization program is also presented. Examples of problems solved by this approach are included. Discussion of difficulties encountered in the development work also provides indicators for future areas of research. (Author).

Force Method Optimization II. Volume II. User's Manual

Author :
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Force Method Optimization II. Volume II. User's Manual by :

Download or read book Force Method Optimization II. Volume II. User's Manual written by and published by . This book was released on 1982 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This technical paper describes the Table Computation Program (TCP) developed to facilitate the manipulation and presentation of tabular information for analysis and analysis reporting purposes. This document includes an overview of how the program functions and instructions on how to use it. In addition, technical information is provided for those who may wish to modify or expand the program to satisfy unique requirements.

Force Method Optimization II.

Author : Batt J. R.
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Force Method Optimization II. by : Batt J. R.

Download or read book Force Method Optimization II. written by Batt J. R. and published by . This book was released on 1982 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The program was developed to support the investigation of the utilization of the force method of finite element analysis for the automatic iterative design of aircraft structures with stress, displacements, maximum and minimum size and dynamic constraints. It develops a rapid reanalysis method based on the force method for damage assessment. Research has resulted in a computer code named OPTFORCE II an expansion of code OPTFORCE I. Multiple loading capabilities and four finite elements have been included. These are: membrane triangle, membrane quadrilateral, shear panel and bar (axial force). Examples of problems solved by the OPTFORCE II code are presented and compared to the optimization code OPTIM III for purposes of establishing the efficiency of the force method vs. the 'displacement' method of analysis. A technical discussion of the research conducted is presented wherein conclusions and recommendations for future research topics are given.

Structural Optimization Using Shuffled Shepherd Meta-Heuristic Algorithm

Author : Ali Kaveh
Publisher : Springer Nature
ISBN 13 : 3031255739
Total Pages : 288 pages
Book Rating : 4.0/5 (312 download)

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Book Synopsis Structural Optimization Using Shuffled Shepherd Meta-Heuristic Algorithm by : Ali Kaveh

Download or read book Structural Optimization Using Shuffled Shepherd Meta-Heuristic Algorithm written by Ali Kaveh and published by Springer Nature. This book was released on 2023-03-01 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the so-called Shuffled Shepherd Optimization Algorithm (SSOA), a recently developed meta-heuristic algorithm by authors. There is always limitations on the resources to be used in the construction. Some of the resources used in the buildings are also detrimental to the environment. For example, the cement utilized in making concrete emits carbon dioxide, which contributes to the global warming. Hence, the engineers should employ resources efficiently and avoid the waste. In the traditional optimal design methods, the number of trials and errors used by the designer is limited, so there is no guarantee that the optimal design can be found for structures. Hence, the deigning method should be changed, and the computational algorithms should be employed in the optimum design problems. The gradient-based method and meta-heuristic algorithms are the two different types of methods used to find the optimal solution. The gradient-based methods require gradient information. Also, these can easily be trapped in the local optima in the nonlinear and complex problems. Therefore, to overcome these issues, meta-heuristic algorithms are developed. These algorithms are simple and can get out of the local optimum by easy means. However, a single meta-heuristic algorithm cannot find the optimum results in all types of optimization problems. Thus, civil engineers develop different meta-heuristic algorithms for their optimization problems. Different applications of the SSOA are provided. The simplified and enhanced versions of the SSOA are also developed and efficiently applied to various optimization problems in structures. Another special feature of this book consists of the use of graph theoretical force method as analysis tool, in place of traditional displacement approach. This has reduced the computational time to a great extent, especially for those structures having smaller DSI compared to the DKI. New framework is also developed for reliability-based design of frame structures. The algorithms are clearly stated such that they can simply be implemented and utilized in practice and research.

Nature Inspired Cooperative Strategies for Optimization (NICSO 2007)

Author : Natalio Krasnogor
Publisher : Springer
ISBN 13 : 3540789871
Total Pages : 520 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Nature Inspired Cooperative Strategies for Optimization (NICSO 2007) by : Natalio Krasnogor

Download or read book Nature Inspired Cooperative Strategies for Optimization (NICSO 2007) written by Natalio Krasnogor and published by Springer. This book was released on 2008-06-03 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological and natural processes have been a continuous source of inspiration for the sciences and engineering. For instance, the work of Wiener in cybernetics was influenced by feedback control processes observable in biological systems; McCulloch and Pitts description of the artificial neuron was instigated by biological observations of neural mechanisms; the idea of survival of the fittest inspired the field of evolutionary algorithms and similarly, artificial immune systems, ant colony optimisation, automated self-assembling programming, membrane computing, etc. also have their roots in natural phenomena. The second International Workshop on Nature Inspired Cooperative Strategies for Optimization (NICSO), was held in Acireale, Italy, during November 8-10, 2007. The aim for NICSO 2007 was to provide a forum were the latest ideas and state of the art research related to cooperative strategies for problem solving arising from Nature could be discussed. The contributions collected in this book were strictly peer reviewed by at least three members of the international programme committee, to whom we are indebted for their support and assistance. The topics covered by the contributions include several well established nature inspired techniques like Genetic Algorithms, Ant Colonies, Artificial Immune Systems, Evolutionary Robotics, Evolvable Systems, Membrane Computing, Quantum Computing, Software Self Assembly, Swarm Intelligence, etc.

Computational Optimization, Methods and Algorithms

Author : Slawomir Koziel
Publisher : Springer Science & Business Media
ISBN 13 : 3642208584
Total Pages : 292 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Computational Optimization, Methods and Algorithms by : Slawomir Koziel

Download or read book Computational Optimization, Methods and Algorithms written by Slawomir Koziel and published by Springer Science & Business Media. This book was released on 2011-06-17 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational optimization is an important paradigm with a wide range of applications. In virtually all branches of engineering and industry, we almost always try to optimize something - whether to minimize the cost and energy consumption, or to maximize profits, outputs, performance and efficiency. In many cases, this search for optimality is challenging, either because of the high computational cost of evaluating objectives and constraints, or because of the nonlinearity, multimodality, discontinuity and uncertainty of the problem functions in the real-world systems. Another complication is that most problems are often NP-hard, that is, the solution time for finding the optimum increases exponentially with the problem size. The development of efficient algorithms and specialized techniques that address these difficulties is of primary importance for contemporary engineering, science and industry. This book consists of 12 self-contained chapters, contributed from worldwide experts who are working in these exciting areas. The book strives to review and discuss the latest developments concerning optimization and modelling with a focus on methods and algorithms for computational optimization. It also covers well-chosen, real-world applications in science, engineering and industry. Main topics include derivative-free optimization, multi-objective evolutionary algorithms, surrogate-based methods, maximum simulated likelihood estimation, support vector machines, and metaheuristic algorithms. Application case studies include aerodynamic shape optimization, microwave engineering, black-box optimization, classification, economics, inventory optimization and structural optimization. This graduate level book can serve as an excellent reference for lecturers, researchers and students in computational science, engineering and industry.

Design and Analysis of Algorithms

Author : Sandeep Sen
Publisher : Cambridge University Press
ISBN 13 : 1108496822
Total Pages : 395 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Design and Analysis of Algorithms by : Sandeep Sen

Download or read book Design and Analysis of Algorithms written by Sandeep Sen and published by Cambridge University Press. This book was released on 2019-05-23 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focuses on the interplay between algorithm design and the underlying computational models.

Emergent Computing Methods in Engineering Design

Author : D.E. Grierson
Publisher : Springer Science & Business Media
ISBN 13 : 9783540608738
Total Pages : 364 pages
Book Rating : 4.6/5 (87 download)

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Book Synopsis Emergent Computing Methods in Engineering Design by : D.E. Grierson

Download or read book Emergent Computing Methods in Engineering Design written by D.E. Grierson and published by Springer Science & Business Media. This book was released on 1996-06-18 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers in this book show the tremendous potential of emerging computing paradigms such as genetic algorithms, evolutionary computing, and neural networks for solving problems of engineering design.

Computational Structural Analysis and Finite Element Methods

Author : A. Kaveh
Publisher : Springer Science & Business Media
ISBN 13 : 3319029649
Total Pages : 445 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Computational Structural Analysis and Finite Element Methods by : A. Kaveh

Download or read book Computational Structural Analysis and Finite Element Methods written by A. Kaveh and published by Springer Science & Business Media. This book was released on 2013-12-11 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Graph theory gained initial prominence in science and engineering through its strong links with matrix algebra and computer science. Moreover, the structure of the mathematics is well suited to that of engineering problems in analysis and design. The methods of analysis in this book employ matrix algebra, graph theory and meta-heuristic algorithms, which are ideally suited for modern computational mechanics. Efficient methods are presented that lead to highly sparse and banded structural matrices. The main features of the book include: application of graph theory for efficient analysis; extension of the force method to finite element analysis; application of meta-heuristic algorithms to ordering and decomposition (sparse matrix technology); efficient use of symmetry and regularity in the force method; and simultaneous analysis and design of structures.

AI-Based Optimized Design of Structural Frames

Author : Won‐Kee Hong
Publisher : CRC Press
ISBN 13 : 1040130968
Total Pages : 607 pages
Book Rating : 4.0/5 (41 download)

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Book Synopsis AI-Based Optimized Design of Structural Frames by : Won‐Kee Hong

Download or read book AI-Based Optimized Design of Structural Frames written by Won‐Kee Hong and published by CRC Press. This book was released on 2024-10-16 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces an auto‐design‐based optimization for building frames using an artificial neural network (ANN)‐based Lagrange method and novel genetic algorithm (GA). The work of great mathematician Joseph‐Louis Lagrange and ANNs are merged to identify parameters that optimize structural frames of reinforced concrete, prestressed concrete, and steel frames subject to one or more design constraints. New features for enhancing conventional GA are also demonstrated to optimize structural frames. New features for optimizing multiple design targets of the building frames are highlighted, while design requirements imposed by codes are automatically satisfied. Chapters provide readers with an understanding of how both ANN‐based and novel GA‐based structural optimization can be implemented in holistically optimizing designated design targets for building structural frames, guiding readers toward more rational designs that is consistent with American Institute of Steel Construction (AISC) and American Concrete Institute (ACI) standards. ANN‐based holistic designs of multi‐story frames in general and reinforced concrete, prestressed concrete, and steel frames in particular, are introduced. This book suits structural engineers, architects, and graduate students in the field of building frame designs and is heavily illustrated with color figures and tables.

Mechatronics And Manufacturing Technologies - Proceedings Of The International Conference (Mmt 2016)

Author : Poki Chen
Publisher : World Scientific
ISBN 13 : 9813222360
Total Pages : 750 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Mechatronics And Manufacturing Technologies - Proceedings Of The International Conference (Mmt 2016) by : Poki Chen

Download or read book Mechatronics And Manufacturing Technologies - Proceedings Of The International Conference (Mmt 2016) written by Poki Chen and published by World Scientific. This book was released on 2017-06-02 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: Held in Wuhan of China from August 20-21, 2016, the 2016 International Conference on Mechatronics and Manufacturing Technologies (MMT2016) provides an excellent international academic forum for all the researchers and practitioners to share resources, exchange opinions and inspire studying.The conference enjoys a wide spread participation among all over the universities and research institutes. It provides a broad overview of the latest research results on related fields and also a significant platform for academic connection and exchange.MMT2016 proceedings collects together 96 articles, after peer-review, to report on state-of-art developments of mechanical engineering based on originality, significance and clarity for the purpose of the Conference.

Metaheuristic Applications in Structures and Infrastructures

Author : Xin-She Yang
Publisher : Newnes
ISBN 13 : 0123983797
Total Pages : 577 pages
Book Rating : 4.1/5 (239 download)

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Book Synopsis Metaheuristic Applications in Structures and Infrastructures by : Xin-She Yang

Download or read book Metaheuristic Applications in Structures and Infrastructures written by Xin-She Yang and published by Newnes. This book was released on 2013-01-31 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to an ever-decreasing supply in raw materials and stringent constraints on conventional energy sources, demand for lightweight, efficient and low-cost structures has become crucially important in modern engineering design. This requires engineers to search for optimal and robust design options to address design problems that are commonly large in scale and highly nonlinear, making finding solutions challenging. In the past two decades, metaheuristic algorithms have shown promising power, efficiency and versatility in solving these difficult optimization problems. This book examines the latest developments of metaheuristics and their applications in structural engineering, construction engineering and earthquake engineering, offering practical case studies as examples to demonstrate real-world applications. Topics cover a range of areas within engineering, including big bang-big crunch approach, genetic algorithms, genetic programming, harmony search, swarm intelligence and some other metaheuristic methods. Case studies include structural identification, vibration analysis and control, topology optimization, transport infrastructure design, design of reinforced concrete, performance-based design of structures and smart pavement management. With its wide range of everyday problems and solutions, Metaheursitic Applications in Structures and Infrastructures can serve as a supplementary text for design courses and computation in engineering as well as a reference for researchers and engineers in metaheuristics, optimization in civil engineering and computational intelligence. - Review of the latest development of metaheuristics in engineering. - Detailed algorithm descriptions with focus on practical implementation. - Uses practical case studies as examples and applications.

Design of Three-phase AC Power Electronics Converters

Author : Fei "Fred" Wang
Publisher : John Wiley & Sons
ISBN 13 : 1119794234
Total Pages : 692 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Design of Three-phase AC Power Electronics Converters by : Fei "Fred" Wang

Download or read book Design of Three-phase AC Power Electronics Converters written by Fei "Fred" Wang and published by John Wiley & Sons. This book was released on 2023-11-30 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: DESIGN OF THREE-PHASE AC POWER ELECTRONICS CONVERTERS Comprehensive resource on design of power electronics converters for three-phase AC applications Design of Three-phase AC Power Electronics Converters contains a systematic discussion of the three-phase AC converter design considering various electrical, thermal, and mechanical subsystems and functions. Focusing on establishing converter components and subsystems models needed for the design, the text demonstrates example designs for these subsystems and for the whole three-phase AC converters considering interactions among subsystems. The design methods apply to different applications and topologies. The text presents the basics of the three-phase AC converter, its design, and the goal and organization of the book, focusing on the characteristics and models important to the converter design for components commonly used in three-phase AC converters. The authors present the design of subsystems, including passive rectifiers, inverters and active rectifiers, electromagnetic interference (EMI) filters, thermal management system, control and auxiliaries, mechanical system, and application considerations, and discuss design optimization, which presents methodology to achieve optimal design results for three-phase AC converters. Specific sample topics covered in Design of Three-phase AC Power Electronics Converters include: Models and characteristics for devices most commonly used in three-phase converters, including conventional Si devices, and emerging SiC and GaN devices Models and selection of various capacitors; characteristics and design of magnetics using different types of magnetic cores, with a focus on inductors Optimal three-phase AC converter design including design and selection of devices, AC line inductors, DC bus capacitors, EMI filters, heatsinks, and control. The design considers both steady-state and transient conditions Load and source impact converter design, such as motors and grid condition impacts For researchers and graduate students in power electronics, along with practicing engineers working in the area of three-phase AC converters, Design of Three-phase AC Power Electronics Converters serves as an essential resource for the subject and may be used as a textbook or industry reference.

Simulated Evolution and Learning

Author : Xiaodong Li
Publisher : Springer Science & Business Media
ISBN 13 : 3540896937
Total Pages : 672 pages
Book Rating : 4.5/5 (48 download)

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Book Synopsis Simulated Evolution and Learning by : Xiaodong Li

Download or read book Simulated Evolution and Learning written by Xiaodong Li and published by Springer Science & Business Media. This book was released on 2008-11-19 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume constitutes the proceedings of the 7th International Conference on Simulated Evolution and Learning, SEAL 2008, held in Melbourne, Australia, during December 7-10, 2008. The 65 papers presented were carefully reviewed and selected from 140 submissions. The topics covered are evolutionary learning; evolutionary optimisation; hybrid learning; adaptive systems; theoretical issues in evolutionary computation; and real-world applications of evolutionary computation techniques.

Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications

Author : Alphose Zingoni
Publisher : CRC Press
ISBN 13 : 0429761163
Total Pages : 2435 pages
Book Rating : 4.4/5 (297 download)

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Book Synopsis Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications by : Alphose Zingoni

Download or read book Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications written by Alphose Zingoni and published by CRC Press. This book was released on 2019-08-21 with total page 2435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications comprises 411 papers that were presented at SEMC 2019, the Seventh International Conference on Structural Engineering, Mechanics and Computation, held in Cape Town, South Africa, from 2 to 4 September 2019. The subject matter reflects the broad scope of SEMC conferences, and covers a wide variety of engineering materials (both traditional and innovative) and many types of structures. The many topics featured in these Proceedings can be classified into six broad categories that deal with: (i) the mechanics of materials and fluids (elasticity, plasticity, flow through porous media, fluid dynamics, fracture, fatigue, damage, delamination, corrosion, bond, creep, shrinkage, etc); (ii) the mechanics of structures and systems (structural dynamics, vibration, seismic response, soil-structure interaction, fluid-structure interaction, response to blast and impact, response to fire, structural stability, buckling, collapse behaviour); (iii) the numerical modelling and experimental testing of materials and structures (numerical methods, simulation techniques, multi-scale modelling, computational modelling, laboratory testing, field testing, experimental measurements); (iv) innovations and special structures (nanostructures, adaptive structures, smart structures, composite structures, bio-inspired structures, shell structures, membranes, space structures, lightweight structures, long-span structures, tall buildings, wind turbines, etc); (v) design in traditional engineering materials (steel, concrete, steel-concrete composite, aluminium, masonry, timber, glass); (vi) the process of structural engineering (conceptualisation, planning, analysis, design, optimization, construction, assembly, manufacture, testing, maintenance, monitoring, assessment, repair, strengthening, retrofitting, decommissioning). The SEMC 2019 Proceedings will be of interest to civil, structural, mechanical, marine and aerospace engineers. Researchers, developers, practitioners and academics in these disciplines will find them useful. Two versions of the papers are available. Short versions, intended to be concise but self-contained summaries of the full papers, are in this printed book. The full versions of the papers are in the e-book.

Structural Optimization

Author : Franklin Y. Cheng
Publisher : CRC Press
ISBN 13 : 1482265966
Total Pages : 708 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Structural Optimization by : Franklin Y. Cheng

Download or read book Structural Optimization written by Franklin Y. Cheng and published by CRC Press. This book was released on 2017-12-21 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today’s biggest structural engineering challenge is to design better structures, and a key issue is the need to take an integrated approach which balances control of costs with the requirement for handling earthquakes and other dynamic forces. Structural optimization is based on rigorous mathematical formulation and requires computation algorithms for sizing structural elements and synthesizing systems. Now that the right software and enough computing power are readily available, professionals can now develop a suite of alternative designs and a select suitable one. A thoroughly-written and practical book on structural optimization is long overdue. This solid book comprehensively presents current optimization strategies, illustrated with sufficient examples of the design of elements and systems and presenting descriptions of the process and results. Emphasis is given to dynamic loading, in particular to seismic forces. Researchers and practising engineers will find this book an excellent reference, and advanced undergraduates or graduate students can use it as a resource for structural optimization design.

Computer Graphics And Applications - Proceedings Of The First Pacific Conference On Computer Graphics And Applications, Pacific Graphics '93

Download Computer Graphics And Applications - Proceedings Of The First Pacific Conference On Computer Graphics And Applications, Pacific Graphics '93 PDF Online Free

Author : S Y Shin
Publisher : World Scientific
ISBN 13 : 981455250X
Total Pages : 434 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Computer Graphics And Applications - Proceedings Of The First Pacific Conference On Computer Graphics And Applications, Pacific Graphics '93 by : S Y Shin

Download or read book Computer Graphics And Applications - Proceedings Of The First Pacific Conference On Computer Graphics And Applications, Pacific Graphics '93 written by S Y Shin and published by World Scientific. This book was released on 1993-08-06 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of proceedings contains papers by computer graphics researchers, developers and practitioners. The papers report on the latest advances and new ideas in computer graphics. They also discuss future directions in the field. The volume reflects the aim of the conference to promote computer graphics research activities in the Pacific region.