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Portfolio construction with Gaussian mixture returns and exponential utility via convex optimization 基于凸优化的高斯混合收益和指数效用组合构建
3区 工程技术
Optimization and Engineering Pub Date : 2023-07-27 DOI: 10.1007/s11081-023-09814-y
Eric Luxenberg, Stephen Boyd
{"title":"Portfolio construction with Gaussian mixture returns and exponential utility via convex optimization","authors":"Eric Luxenberg, Stephen Boyd","doi":"10.1007/s11081-023-09814-y","DOIUrl":"https://doi.org/10.1007/s11081-023-09814-y","url":null,"abstract":"We consider the problem of choosing an optimal portfolio, assuming the asset returns have a Gaussian mixture distribution, with the objective of maximizing expected exponential utility. In this paper we show that this problem is convex, and readily solved exactly using domain-specific languages for convex optimization, without the need for sampling or scenarios. We then show how the closely related problem of minimizing entropic value at risk can also be formulated as a convex optimization problem.","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135657388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
P-graph approach for the optimisation of biomass supply network for biogas production in urban areas 城市沼气生产生物质供应网络优化的P图方法
IF 2.1 3区 工程技术
Optimization and Engineering Pub Date : 2023-07-18 DOI: 10.1007/s11081-023-09819-7
Ana Kodba, Tomislav Pukšec, N. Duić
{"title":"P-graph approach for the optimisation of biomass supply network for biogas production in urban areas","authors":"Ana Kodba, Tomislav Pukšec, N. Duić","doi":"10.1007/s11081-023-09819-7","DOIUrl":"https://doi.org/10.1007/s11081-023-09819-7","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48890302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multiobjective robust optimization framework based on first and second order Taylor expansion applied to a vehicle suspension design 基于一阶和二阶Taylor展开的多目标鲁棒优化框架在汽车悬架设计中的应用
IF 2.1 3区 工程技术
Optimization and Engineering Pub Date : 2023-07-17 DOI: 10.1007/s11081-023-09817-9
Ewerton Grotti, P. Santana, José Gilberto Picoral Filho, H. Gomes
{"title":"Multiobjective robust optimization framework based on first and second order Taylor expansion applied to a vehicle suspension design","authors":"Ewerton Grotti, P. Santana, José Gilberto Picoral Filho, H. Gomes","doi":"10.1007/s11081-023-09817-9","DOIUrl":"https://doi.org/10.1007/s11081-023-09817-9","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47793618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trajectory optimization for arbitrary layered geometries in wire-arc additive manufacturing 线弧增材制造中任意层状几何形状的轨迹优化
IF 2.1 3区 工程技术
Optimization and Engineering Pub Date : 2023-06-26 DOI: 10.1007/s11081-023-09813-z
Johannes Schmidt, A. Fügenschuh
{"title":"Trajectory optimization for arbitrary layered geometries in wire-arc additive manufacturing","authors":"Johannes Schmidt, A. Fügenschuh","doi":"10.1007/s11081-023-09813-z","DOIUrl":"https://doi.org/10.1007/s11081-023-09813-z","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48973098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developing an efficient coupled function-based topology optimization code for designing lightweight compliant structures using the BESO algorithm 使用BESO算法开发一个高效的基于耦合函数的拓扑优化代码，用于设计轻型柔顺结构
IF 2.1 3区 工程技术
Optimization and Engineering Pub Date : 2023-06-17 DOI: 10.1007/s11081-023-09808-w
M. Teimouri, M. Asgari
{"title":"Developing an efficient coupled function-based topology optimization code for designing lightweight compliant structures using the BESO algorithm","authors":"M. Teimouri, M. Asgari","doi":"10.1007/s11081-023-09808-w","DOIUrl":"https://doi.org/10.1007/s11081-023-09808-w","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44347997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Homogenization based topology optimization of fluid-pressure loaded structures using the Biot–Darcy Model 基于Biot-Darcy模型的流体压力加载结构均匀化拓扑优化
3区 工程技术
Optimization and Engineering Pub Date : 2023-06-05 DOI: 10.1007/s11081-023-09811-1
Godfred O. Agyekum, Laurent Cangémi, François Jouve
{"title":"Homogenization based topology optimization of fluid-pressure loaded structures using the Biot–Darcy Model","authors":"Godfred O. Agyekum, Laurent Cangémi, François Jouve","doi":"10.1007/s11081-023-09811-1","DOIUrl":"https://doi.org/10.1007/s11081-023-09811-1","url":null,"abstract":"Homogenization method is applied to topology optimization of a weakly coupled two physics problem, where structures are made of periodically perforated material. The microscopic periodic cell is macroscopically modulated, where the design is characterized by the material density and its homogenized Hooke’s law at each point of the domain. The coupling is weak because the two physics involved are solved consecutively: first, the coupled fluid is determined using Biot–Darcy’s law and second, the fluid-structure problem by solving the linear poro-elasticity system; our aim is to optimize the homogenized formulation of this two-physic problem. This approach permits a computationally low cost of evaluation of load sensitivities using the adjoint-state method. Numerical two-dimensional test cases are presented using the alternate directions algorithm. It is demonstrated how the implementation can address a variety of design problems.","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135657259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A PID-optimality criteria method for structural topology optimization 结构拓扑优化的pid最优准则方法
3区 工程技术
Optimization and Engineering Pub Date : 2023-05-30 DOI: 10.1007/s11081-023-09810-2
Weichun Fan, Zhongming Xu, Zhifei Zhang
{"title":"A PID-optimality criteria method for structural topology optimization","authors":"Weichun Fan, Zhongming Xu, Zhifei Zhang","doi":"10.1007/s11081-023-09810-2","DOIUrl":"https://doi.org/10.1007/s11081-023-09810-2","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":"163 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135478386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Comparative study on manifold learning approaches for parametric topology optimization problem via unsupervised deep learning 基于无监督深度学习的参数拓扑优化流形学习方法的比较研究
IF 2.1 3区 工程技术
Optimization and Engineering Pub Date : 2023-05-27 DOI: 10.1007/s11081-023-09806-y
Seongwoo Cheon, H. Cho
{"title":"Comparative study on manifold learning approaches for parametric topology optimization problem via unsupervised deep learning","authors":"Seongwoo Cheon, H. Cho","doi":"10.1007/s11081-023-09806-y","DOIUrl":"https://doi.org/10.1007/s11081-023-09806-y","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45286044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimisation of an existing water injection network in an oilfield for multi-period development 油田多期开发现有注水管网的优化
IF 2.1 3区 工程技术
Optimization and Engineering Pub Date : 2023-05-26 DOI: 10.1007/s11081-023-09804-0
Shuyi Xie, Huixia Feng, Zimeng Huang, J. Klemeš, Jianqin Zheng, P. Varbanov, H. Mikulčić, Bohong Wang
{"title":"Optimisation of an existing water injection network in an oilfield for multi-period development","authors":"Shuyi Xie, Huixia Feng, Zimeng Huang, J. Klemeš, Jianqin Zheng, P. Varbanov, H. Mikulčić, Bohong Wang","doi":"10.1007/s11081-023-09804-0","DOIUrl":"https://doi.org/10.1007/s11081-023-09804-0","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46094404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topology optimized infill compliant mechanisms for improved output displacements 拓扑优化填充顺应机制，提高输出位移
IF 2.1 3区 工程技术
Optimization and Engineering Pub Date : 2023-05-26 DOI: 10.1007/s11081-023-09809-9
O. Ibhadode, Ken M. Nsiempba, Zhidong Zhang, E. Toyserkani
{"title":"Topology optimized infill compliant mechanisms for improved output displacements","authors":"O. Ibhadode, Ken M. Nsiempba, Zhidong Zhang, E. Toyserkani","doi":"10.1007/s11081-023-09809-9","DOIUrl":"https://doi.org/10.1007/s11081-023-09809-9","url":null,"abstract":"","PeriodicalId":56141,"journal":{"name":"Optimization and Engineering","volume":"1 1","pages":""},"PeriodicalIF":2.1,"publicationDate":"2023-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41677403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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