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Journal of Mathematics in Industry最新文献

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Segmentation and morphological analysis of amyloid fibrils from cryo-EM image data 冷冻电镜图像中淀粉样蛋白原纤维的分割与形态学分析
IF 2.6
Journal of Mathematics in Industry Pub Date : 2023-02-07 DOI: 10.1186/s13362-023-00131-8
Matthias Weber, M. Neumann, Matthias Schmidt, P. B. Pfeiffer, Akanksha Bansal, M. Fändrich, Volker Schmidt
{"title":"Segmentation and morphological analysis of amyloid fibrils from cryo-EM image data","authors":"Matthias Weber, M. Neumann, Matthias Schmidt, P. B. Pfeiffer, Akanksha Bansal, M. Fändrich, Volker Schmidt","doi":"10.1186/s13362-023-00131-8","DOIUrl":"https://doi.org/10.1186/s13362-023-00131-8","url":null,"abstract":"","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2023-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42004956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep Learning and Medical Applications 深度学习和医学应用
IF 2.6
Journal of Mathematics in Industry Pub Date : 2023-01-01 DOI: 10.1007/978-981-99-1839-3
{"title":"Deep Learning and Medical Applications","authors":"","doi":"10.1007/978-981-99-1839-3","DOIUrl":"https://doi.org/10.1007/978-981-99-1839-3","url":null,"abstract":"","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72371252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A hybrid compartmental model with a case study of COVID-19 in Great Britain and Israel. 以英国和以色列COVID-19病例为例的混合区隔模型。
IF 2.6
Journal of Mathematics in Industry Pub Date : 2023-01-01 DOI: 10.1186/s13362-022-00130-1
Greta Malaspina, Stevo Racković, Filipa Valdeira
{"title":"A hybrid compartmental model with a case study of COVID-19 in Great Britain and Israel.","authors":"Greta Malaspina,&nbsp;Stevo Racković,&nbsp;Filipa Valdeira","doi":"10.1186/s13362-022-00130-1","DOIUrl":"https://doi.org/10.1186/s13362-022-00130-1","url":null,"abstract":"<p><p>Given the severe impact of COVID-19 on several societal levels, it is of crucial importance to model the impact of restriction measures on the pandemic evolution, so that governments are able to make informed decisions. Even though there have been countless attempts to propose diverse models since the rise of the outbreak, the increase in data availability and start of vaccination campaigns calls for updated models and studies. Furthermore, most of the works are focused on a very particular place or application and we strive to attain a more general model, resorting to data from different countries. In particular, we compare Great Britain and Israel, two highly different scenarios in terms of vaccination plans and social structure. We build a network-based model, complex enough to model different scenarios of government-mandated restrictions, but generic enough to be applied to any population. To ease the computational load we propose a decomposition strategy for our model.</p>","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9897620/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10765220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Reduced order multirate schemes in industrial circuit simulation 工业电路仿真中的降阶多速率方案
IF 2.6
Journal of Mathematics in Industry Pub Date : 2022-08-20 DOI: 10.1186/s13362-022-00127-w
Bannenberg, Marcus W. F. M., Ciccazzo, Angelo, Günther, Michael
{"title":"Reduced order multirate schemes in industrial circuit simulation","authors":"Bannenberg, Marcus W. F. M., Ciccazzo, Angelo, Günther, Michael","doi":"10.1186/s13362-022-00127-w","DOIUrl":"https://doi.org/10.1186/s13362-022-00127-w","url":null,"abstract":"In this paper the industrial application of Reduced Order Multirate (ROMR) schemes is presented. This paper contains the mathematical foundations of the ROMR schemes and elaborates on the construction of these schemes using specific Model Order Reduction (MOR) techniques. Especially the Maximum Entropy Snapshot Sampling method for generating a reduced basis and reduction by Gauß–Newton with Approximated Tensors (GNAT). This basis generation method is also used for generating the basis for the gappy hyper-reduction method used for nonlinear function evaluation. For the multirate integration part, a Backward Differentation Formula approach to integration is used in conjunction with a coupled-slowest-first multirate approach. After introducing the numerical approach to industrial circuit simulation validation experiments are performed. First a simple academic model is used, and then an industrial test case is simulated as presented by STMicroelectronics. A significant speedup in simulation time is achieved whilst accuracy and convergence is kept.","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multirate DAE-simulation and its application in system simulation software for the development of electric vehicles 多速率dae仿真及其在电动汽车开发系统仿真软件中的应用
IF 2.6
Journal of Mathematics in Industry Pub Date : 2022-08-17 DOI: 10.1186/s13362-022-00126-x
Kolmbauer, Michael, Offner, Günter, Pfau, Ralf Uwe, Pöchtrager, Bernhard
{"title":"Multirate DAE-simulation and its application in system simulation software for the development of electric vehicles","authors":"Kolmbauer, Michael, Offner, Günter, Pfau, Ralf Uwe, Pöchtrager, Bernhard","doi":"10.1186/s13362-022-00126-x","DOIUrl":"https://doi.org/10.1186/s13362-022-00126-x","url":null,"abstract":"This work is devoted to the efficient simulation of large multi-physical networks stemming from automated modelling processes in system simulation software. The simulation of hybrid, battery and fuel cell electric vehicle applications requires the coupling of electrical, mechanical, fluid, and thermal networks. Each network is established by combining the connection structure of a graph with physical equations of elementary components and resulting in a DAE (differential algebraic equation). To speed up the simulation a non-iterative multirate time integration co-simulation method for the system of coupled DAEs is established. The power of the multirate method is shown via two representative examples of battery powered electric vehicle with a cooling system for the battery pack and a three phase inverter with a cooling system. This work is an extended version of (Kolmbauer et al. in Scientific Computing in Electrical Engineering (SCEE 2020), Springer, Cham, pp. 231–240, 2021).","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A mathematical model for the corneal transparency problem 角膜透明度问题的数学模型
IF 2.6
Journal of Mathematics in Industry Pub Date : 2022-05-06 DOI: 10.1186/s13362-022-00125-y
Araújo, Adérito, Barbeiro, Sílvia, Bernardes, Rui, Morgado, Miguel, Sakić, Sunčica
{"title":"A mathematical model for the corneal transparency problem","authors":"Araújo, Adérito, Barbeiro, Sílvia, Bernardes, Rui, Morgado, Miguel, Sakić, Sunčica","doi":"10.1186/s13362-022-00125-y","DOIUrl":"https://doi.org/10.1186/s13362-022-00125-y","url":null,"abstract":"Understanding the physical basis of corneal transparency has been a subject of interest amongst physicists, basic scientists and ophthalmologists. Impairment of corneal clarity is a significant cause of visual morbidity worldwide. Thus, it is essential to understand the mechanisms behind corneal transparency and how the alterations due to corneal pathologies affect vision. We use Maxwell’s equations to model light propagation in ocular tissues and a nodal discontinuous Galerkin method combined with an explicit Runge-Kutta method to simulate light propagation in normal and pathological corneas. Our simulation results illustrate that an increase in the diameter of some fibres causes an increase in backscattering. Thus, these may represent some of the physical changes in the cornea that might result in loss of transparency and visual morbidity.","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hybrid modeling: towards the next level of scientific computing in engineering 混合建模:迈向工程科学计算的新阶段
IF 2.6
Journal of Mathematics in Industry Pub Date : 2022-03-03 DOI: 10.1186/s13362-022-00123-0
S. Kurz, H. de Gersem, Armin Galetzka, A. Klaedtke, M. Liebsch, Dimitrios Loukrezis, S. Russenschuck, Manuel Schmidt
{"title":"Hybrid modeling: towards the next level of scientific computing in engineering","authors":"S. Kurz, H. de Gersem, Armin Galetzka, A. Klaedtke, M. Liebsch, Dimitrios Loukrezis, S. Russenschuck, Manuel Schmidt","doi":"10.1186/s13362-022-00123-0","DOIUrl":"https://doi.org/10.1186/s13362-022-00123-0","url":null,"abstract":"","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41906372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Electric circuit element boundary conditions in the finite element method for full-wave passive electromagnetic devices 全波无源电磁器件有限元法中的电路元件边界条件
IF 2.6
Journal of Mathematics in Industry Pub Date : 2022-02-23 DOI: 10.1186/s13362-022-00122-1
Ciuprina, Gabriela, Ioan, Daniel, Sabariego, Ruth V.
{"title":"Electric circuit element boundary conditions in the finite element method for full-wave passive electromagnetic devices","authors":"Ciuprina, Gabriela, Ioan, Daniel, Sabariego, Ruth V.","doi":"10.1186/s13362-022-00122-1","DOIUrl":"https://doi.org/10.1186/s13362-022-00122-1","url":null,"abstract":"A natural coupling of a circuit with an electromagnetic device is possible if special boundary conditions, called Electric Circuit Element (ECE), are used for the electromagnetic field formulation. This contribution shows how these ECE boundary conditions can be implemented into the 3D-finite element method for solving coupled full-wave electromagnetic (EM) field-circuit problems in the frequency domain. The frequency response allows the extraction of a reduced order model of the analyzed device, accounting for all the EM field effects. The implementation is based on a weak formulation that uses the electric field strength E strictly inside the domain and a scalar potential V defined solely at the boundary. Edge elements for E are used inside the three-dimensional domain and nodal elements for V are used on its two-dimensional boundary. The weak formulation is described and implemented in the free environment Open Numerical Engineering LABoratory (onelab). The validation is carried out on 3D examples.","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138543701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
On torque computation in electric machine simulation by harmonic mortar methods 谐波砂浆法在电机仿真中的转矩计算
IF 2.6
Journal of Mathematics in Industry Pub Date : 2022-01-31 DOI: 10.1186/s13362-022-00121-2
Egger, Herbert, Harutyunyan, Mané, Löscher, Richard, Merkel, Melina, Schöps, Sebastian
{"title":"On torque computation in electric machine simulation by harmonic mortar methods","authors":"Egger, Herbert, Harutyunyan, Mané, Löscher, Richard, Merkel, Melina, Schöps, Sebastian","doi":"10.1186/s13362-022-00121-2","DOIUrl":"https://doi.org/10.1186/s13362-022-00121-2","url":null,"abstract":"The use of trigonometric polynomials as Lagrange multipliers in the harmonic mortar method enables an efficient and elegant treatment of relative motion in the stator-rotor coupling of electric machine simulation. Explicit formulas for the torque computation are derived by energetic considerations, and their realization by harmonic mortar finite element and isogeometric analysis discretizations is discussed. Numerical tests are presented to illustrate the theoretical results and demonstrate the potential of harmonic mortar methods for the evaluation of torque ripples.","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Multistep schemes for solving backward stochastic differential equations on GPU GPU上求解倒向随机微分方程的多步格式
IF 2.6
Journal of Mathematics in Industry Pub Date : 2022-01-28 DOI: 10.1186/s13362-021-00118-3
Lorenc Kapllani, L. Teng
{"title":"Multistep schemes for solving backward stochastic differential equations on GPU","authors":"Lorenc Kapllani, L. Teng","doi":"10.1186/s13362-021-00118-3","DOIUrl":"https://doi.org/10.1186/s13362-021-00118-3","url":null,"abstract":"","PeriodicalId":44012,"journal":{"name":"Journal of Mathematics in Industry","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2022-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"65846354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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