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Geometric Modelling, Interoperability and New Challenges (Dagstuhl Seminar 17221)

Falai Chen, Chen Dokken, Thomas A. Grandine, Géraldine Morin, Marc Herbstritt
2017 Dagstuhl Reports  
multi-material additive manufacturing, isogeometric analysis, and design optimization.  ...  This report documents the program and the outcomes of Dagstuhl Seminar 17221 "Geometric Modelling, Interoperability and New Challenges".  ...  In computer science, for instance, the focus is on discrete geometries, but these are not sufficient for analysis.  ... 
doi:10.4230/dagrep.7.5.140 dblp:journals/dagstuhl-reports/ChenDGM17 fatcat:jzpwraaovrhfpdfmxz7zl6ijhi

Toward a Computational Steering Framework for Large-Scale Composite Structures Based on Continually and Dynamically Injected Sensor Data

Y. Bazilevs, A.L. Marsden, F. Lanza di Scalea, A. Majumdar, M. Tatineni
2012 Procedia Computer Science  
The intended application of the developed framework is the analysis of medium-to-large-scale composite structures.  ...  , and a sensitivity analysis, optimization and control software module.  ...  Acknowledgements Support of the Air Force Office of Scientific Research Award FA9550-12-1-0005, Dr. Frederica Darema, award monitor, is gratefully acknowledged.  ... 
doi:10.1016/j.procs.2012.04.124 fatcat:2onfn7ftknc5fppacfpo75iiyu

A framework for parametric design optimization using isogeometric analysis

Austin J. Herrema, Nelson M. Wiese, Carolyn N. Darling, Baskar Ganapathysubramanian, Adarsh Krishnamurthy, Ming-Chen Hsu
2017 Computer Methods in Applied Mechanics and Engineering  
finite-element-analysis-based design optimization.  ...  The framework is capable of performing IGA-based design optimization of realistic engineering structures that are practically constructed through the use of complex geometric operations.  ...  In Section 2, we describe the structure of the isogeometric design optimization framework, highlighting the salient features of the parametric design, analysis, and optimization procedures.  ... 
doi:10.1016/j.cma.2016.10.048 fatcat:qieofkr36zf6tk6nqk3xc77bku

An efficient computational approach for control of nonlinear transient responses of smart piezoelectric composite plates

P. Phung-Van, Lieu B. Nguyen, Loc V. Tran, T.D. Dinh, Chien H. Thai, S.P.A. Bordas, M. Abdel-Wahab, H. Nguyen-Xuan
2015 International Journal of Non-Linear Mechanics  
ABSTRACT An efficient computational approach based on a generalized unconstrained approach in conjunction with isogeometric analysis (IGA) are proposed for dynamic control of smart piezoelectric composite  ...  of smart piezoelectric composite plates. • A procedure to search optimal design for actuator input voltages in piezoelectric plates is investigated. • The numerical results demonstrate high efficiency  ...  Nguyen, thanks partial funding provided by University of Technical Education Ho Chi Minh City, Vietnam (Project No.: T2015-18TĐ).  ... 
doi:10.1016/j.ijnonlinmec.2015.06.003 fatcat:dmebwkv5l5hm3hxyyyo6vrsnjq

Three-dimensional topology optimization of auxetic metamaterial using isogeometric analysis and model order reduction [article]

Chuong Nguyen, Xiaoying Zhuang, Ludovic Chamoin, Hung Nguyen-Xuan, Xianzhong Zhao, Timon Rabczuk
2019 arXiv   pre-print
In this work, we present an efficiently computational approach for designing material micro-structures by means of topology optimization.  ...  The central idea relies on using the isogeometric analysis integrated with the parameterized level set function for numerical homogenization, sensitivity calculation and optimization of the effective elastic  ...  Metamaterial structures are designed in two and three dimensions to show the efficiency and reliability of the approach.  ... 
arXiv:1908.11449v1 fatcat:yab47trbdzggxpyxqcfpjtxpzq

Optimal Design of Functionally Graded Parts

Priyambada Nayak, Amir Armani
2022 Metals  
This unique advantage could be exploited by developing and implementing methodologies capable of optimizing the distribution of material composition for one-, two-, and three-dimensional parts.  ...  For instance, if a simple one-dimensional analytical equation is used to represent the material composition distribution, the finite element analysis and optimization would be straightforward, but it does  ...  To deal with uncertainty in the manufacturing process, a reliability-based design optimization for FGMs was pro-posed by Noh et al. [77] .  ... 
doi:10.3390/met12081335 fatcat:ckb63spadzcfbdlbpgstnhdvxy

Frontiers in Modeling and Design of Bio-Inspired Armors

Stefano Signetti, Nicola Maria Pugno
2015 Frontiers in Materials  
Citation: Signetti S and Pugno NM (2015) Frontiers in modeling and design of bio-inspired armors. Front. Mater. 2:17.  ...  Thus, isogeometric analysis is especially attractive to contact analysis of complex geometries (e.g., undulation, even hierarchical).  ...  and reliable design process able to provide a tentative target optimum.  ... 
doi:10.3389/fmats.2015.00017 fatcat:en22j6s44zasbas3xkrj5i7u3q

An interactive geometry modeling and parametric design platform for isogeometric analysis

Ming-Chen Hsu, Chenglong Wang, Austin J. Herrema, Dominik Schillinger, Anindya Ghoshal, Yuri Bazilevs
2015 Computers and Mathematics with Applications  
In this paper an interactive parametric design-through-analysis platform is proposed to help design engineers and analysts make more effective use of Isogeometric Analysis (IGA) to improve their product  ...  The developed platform is demonstrated on two structural mechanics examples-an actual wind turbine blade and a model of an integrally bladed rotor (IBR).  ...  This material is also partially based upon work supported by the National Science  ... 
doi:10.1016/j.camwa.2015.04.002 fatcat:brlkc2oxb5cmjlr3ibfkrqy7ka

An Isogeometric Bézier Finite Element Method for Vibration Optimization of Functionally Graded Plate with Local Refinement

Xing Wei, Dongdong Liu, Shuohui Yin
2022 Crystals  
An effective free vibration optimization procedure in combination with the isogeometric approach (IGA), particle swarm optimization (PSO) and an integrated global and local parameterization is presented  ...  The reliability and effectiveness of the proposed approach are demonstrated through several numerical examples.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/cryst12060830 doaj:5ae3c545824c48ac9d50eef51c7f4927 fatcat:baqxzsxjxvfwrohvrovi6jsohi

Material Design for Optimal Postbuckling Behaviour of Composite Shells

Domenico Magisano, Francesco Liguori, Antonio Madeo, Leonardo Leonetti, Giovanni Garcea
2021 Materials  
A numerical example of optimal material design for a curved panel is also illustrated.  ...  Taking advantage of these tunable materials requires the development of computational design methods.  ...  Globally Convergent Method of Moving Asymptotes The optimal design problem can be also solved via a gradient based method with convex subsequent approximations of the objective function, i.e., the Global  ... 
doi:10.3390/ma14071665 pmid:33800698 pmcid:PMC8036498 fatcat:mpv2agx7yzec7ojiuwfxoctobm

A Simple-FSDT-Based Isogeometric Method for Piezoelectric Functionally Graded Plates

Tao Liu, Chaodong Li, Chao Wang, Joel Weijia Lai, Kang Hao Cheong
2020 Mathematics  
An efficient isogeometric analysis method (IGA) based on a simple first-order shear deformation theory is presented to study free vibration, static bending response, dynamic response, and active control  ...  The convergence and accuracy of the method for PFGPs with various mechanical and electrical boundary conditions have been investigated via free vibration analysis.  ...  Therefore, in this paper, we propose an approach based on S-FSDT and the NURBS-based isogeometric analysis for analyzing the mechanical behavior of the PFGPs.  ... 
doi:10.3390/math8122177 fatcat:xgiogdgcpvbbpjsdfbhwcamyqe

The bending strip method for isogeometric analysis of Kirchhoff–Love shell structures comprised of multiple patches

J. Kiendl, Y. Bazilevs, M.-C. Hsu, R. Wüchner, K.-U. Bletzinger
2010 Computer Methods in Applied Mechanics and Engineering  
In this paper we present an isogeometric formulation for rotation-free thin shell analysis of structures comprised of multiple patches.  ...  The attractive features of the method include simplicity of implementation and direct applicability to complex, multi-patch shell structures.  ...  The authors would like to acknowledge the funding of the International Graduate School of Science and Engineering (IGSSE) at Technische Universität München, which is part of the German Excellence Initiative  ... 
doi:10.1016/j.cma.2010.03.029 fatcat:4ohggdcc6fgnberdqx32nflycu

GA Optimization of Variable Angle Tow Composites in Buckling and Free Vibration Analysis through Layerwise Theory

Nasim Fallahi
2021 Aerospace (Basel)  
In the current research, variable angle tow composites are used to improve the buckling and free vibration behavior of a structure.  ...  To show the power of the genetic algorithm for the VAT structure, a surrogate model using Response Surface (RS) method was used to demonstrate the convergence of the GA approach.  ...  Efficient CUF-based FEM analysis of thin-wall structures with Lagrange polynomial expansion. Mech. Adv. Mater. Struct. 2020, 1–22. [CrossRef] 24. Tahani, M.  ... 
doi:10.3390/aerospace8120376 fatcat:gzlats4ul5fhdjecn5kztytio4

Nonlinear material identification of heterogeneous isogeometric Kirchhoff-Love shells [article]

Bartosz Borzeszkowski, Izabela Lubowiecka, Roger A. Sauer
2021 arXiv   pre-print
This work presents a Finite Element Model Updating inverse methodology for reconstructing heterogeneous material distributions based on an efficient isogeometric shell formulation.  ...  Experiment-like results are generated from high-resolution simulations with the subsequent addition of up to 4% noise. Local optimization based on the trust-region approach is used.  ...  Many soft materials consists of thin, surface-like structures that can be efficiently described by shell and membrane models, especially in the context of Isogeometric analysis (IGA) (Hughes et al., 2005  ... 
arXiv:2108.13400v1 fatcat:pxydodhe6vbwfmgshdshvxrhge

Optimization Design of RC Ribbed Floor System Using Eagle Strategy with Particle Swarm Optimization

Jiejiang Zhu, Bolun Zhou
2019 Computers Materials & Continua  
The performance of the ES-PSO algorithm is good enough, which can be applied to practical engineering. The paper can also provide a basis for subsequent optimization design of monolithic structures.  ...  The eagle strategy algorithm is combined with particle swarm optimization in this paper. The new algorithm, denoted as the ES-PSO, is implemented by interfacing Etabs structural analysis codes.  ...  Topology optimization with combination of isogeometric analysis (IGA), level set method (IS) and pointwise density mapping techniques is presented for design of composite flexoelectric structures [Ghasemi  ... 
doi:10.32604/cmc.2020.06655 fatcat:jtzjnltgkzfqjkmx3opzc5kaau
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