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Automating embedded analysis capabilities and managing software complexity in multiphysics simulation part II: application to partial differential equations [article]

Roger P. Pawlowski, Eric T. Phipps, Andrew G. Salinger, Steven J. Owen, Christopher M. Siefert, Matthew L. Staten
2012 arXiv   pre-print
In this paper, we describe the implementation details for using the template-based generic programming approach for simulation and analysis of partial differential equations (PDEs).  ...  We detail several of the hurdles that we have encountered, and some of the software infrastructure developed to overcome them.  ...  Acknowledgements This work was funded by the US Department of Energy through the NNSA Advanced Scientific Computing and Office of Science Advanced Scientific Computing Research programs.  ... 
arXiv:1205.3952v1 fatcat:l43adup6h5dpjhombtt7ked6mm

Automating Embedded Analysis Capabilities and Managing Software Complexity in Multiphysics Simulation, Part II: Application to Partial Differential Equations

Roger P. Pawlowski, Eric T. Phipps, Andrew G. Salinger, Steven J. Owen, Christopher M. Siefert, Matthew L. Staten
2012 Scientific Programming  
In this paper, we describe the implementation details for using the template-based generic programming approach for simulation and analysis of partial differential equations (PDEs).  ...  We detail several of the hurdles that we have encountered, and some of the software infrastructure developed to overcome them.  ...  Acknowledgements This work was funded by the US Department of Energy through the NNSA Advanced Scientific Computing and Office of Science Advanced Scientific Computing Research programs.  ... 
doi:10.1155/2012/818262 fatcat:k225rm73svdf5ib2zzmcwpbfzq

Modelica — A cyber-physical modeling language and the OpenModelica environment

Peter Fritzson
2011 2011 7th International Wireless Communications and Mobile Computing Conference  
and simulation of complex applications involving parts from several application domains, and many more useful facilities.  ...  Modelica is a modern, strongly typed, declarative, equation-based, and object-oriented (EOO) language for modeling and simulation of complex cyber-physical systems.  ...  such as partial differential equations, enlarged scope for discrete modeling and simulation, etc  ... 
doi:10.1109/iwcmc.2011.5982782 dblp:conf/iwcmc/Fritzson11 fatcat:llqku22xebeyhaddi5pimypagi

Nmag micromagnetic simulation tool

Hans Fangohr, Maximilian Albert, Matteo Franchin
2016 Proceedings of the International Workshop on Software Engineering for Science - SE4Science '16  
Key lessons include that encapsulating the simulation functionality in a library of a general purpose language, here Python, provides great flexibility in using the software.  ...  In places, the code is a lot more ambitious than necessary, which introduces unnecessary complexity and reduces main- tainability.  ...  to the development of the Nmag tool suite and this review.  ... 
doi:10.1145/2897676.2897677 dblp:conf/icse/FangohrAF16 fatcat:2veosnc56ze75kdqbcfavhb3uy

Modeling and Simulation of MEMS Components: Challenges and Possible Solutions [chapter]

Idris Ahmed
2012 Micromachining Techniques for Fabrication of Micro and Nano Structures  
From mathematical modeling and simulation point of view, this calls for multi-physics treatment, in which coupled systems of differential equations of different combinations of electromagnetic, mechanical  ...  finite-element (FE) and their different variants proved to be successful in their applications to such microstructures.  ...  Finite Element Technique The finite element method (FEM) is a numerical technique for finding approximate solutions of partial differential equations (PDE) and integral equations.  ... 
doi:10.5772/32122 fatcat:72ehfi7x45ec3b4jmaicr5acnm

Mastering the scales: a survey on the benefits of multiscale computing software

Derek Groen, Jaroslaw Knap, Philipp Neumann, Diana Suleimenova, Lourens Veen, Kenneth Leiter
2019 Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences  
One contribution of 11 to a theme issue 'Multiscale modelling, simulation and computing: from the desktop to the exascale' .  ...  We are also grateful to David Coster for providing information on the OMFIT and AiiDA toolkits.  ...  helped us in defining the paper concept.  ... 
doi:10.1098/rsta.2018.0147 fatcat:66fvauvyknbwnllsyoe73pqtmi

Software Engineering Institute

1985 IEEE Software  
This analysis tool solves a system of partial differential equations simultaneously, rather than sequentially, to improve convergence.  ...  These embedded tools have limited capabilities, but are easier to learn and use.  ... 
doi:10.1109/ms.1985.230346 fatcat:xiieidnhlzhknjkcguxklnehyy

Run-Time Extensibility and Librarization of Simulation Software

Jed Brown, Matthew G. Knepley, Barry F. Smith
2015 Computing in science & engineering (Print)  
The community needs reusable software packages that are easy use and flexible enough to accommodate next-generation simulation and analysis demands.  ...  Build-time configuration and environment assumptions are hampering progress and usability in scientific software.  ...  Unlike most parts of mature simulation software, the analysis code often changes with each question a scientist asks and thus is highly volatile and does not benefit from the same amount of testing.  ... 
doi:10.1109/mcse.2014.95 fatcat:odeor4epvjegvf57tsj532qk6u

Snowmass21 Accelerator Modeling Community White Paper [article]

S. Biedron, L. Brouwer, D.L. Bruhwiler, N. M. Cook, A. L. Edelen, D. Filippetto, C.-K. Huang, A. Huebl, N. Kuklev, R. Lehe, S. Lund, C. Messe (+13 others)
2022 arXiv   pre-print
, and needs for scalable I/O and in-situ analysis.  ...  individual accelerator elements, to the realization of virtual twins that replicate all the complexity to model a particle accelerator complex as accurately as possible.  ...  Another topic that is relevant for accelerator modeling is solving linear systems [212] [213] [214] [215] [216] as well as ordinary differential equations (ODEs) and partial differential equations (PDEs  ... 
arXiv:2203.08335v2 fatcat:snrivaotkzdvznsjayvenfpg2i

Research and Education in Computational Science and Engineering [article]

Ulrich Rüde, Karen Willcox, Lois Curfman McInnes, Hans De Sterck, George Biros, Hans Bungartz, James Corones, Evin Cramer, James Crowley, Omar Ghattas, Max Gunzburger, Michael Hanke, Robert Harrison (+20 others)
2018 arXiv   pre-print
the applications to new frontiers---is redefining the scope and reach of the CSE endeavor.  ...  Over the past two decades the field of computational science and engineering (CSE) has penetrated both basic and applied research in academia, industry, and laboratories to advance discovery, optimize  ...  [44] and the European Exascale Software Initiative [39] .  ... 
arXiv:1610.02608v4 fatcat:7qiqiajd7vcstditmztqxwwtx4

Present State of CFD Softwares Application for Launch Vehicle Analysis
발사체 해석을 위한 CFD 소프트웨어 적용 현황

Hwanghui Jeong, Jae Yeol Kim, Jae-Ryul Shin
2020 Journal of the Korean Society of Propulsion Engineers  
This software program takes an XML representation of the contents of a Hierarchical Data Format-Earth Observing System (HDF-EOS) file and recreates the file from that description .  ...  The tool is capable of obtaining accurate and economical solutions to governing differential equations of momentum, energy, and species . U.S.  ...  The software provides the automated capability to quickly identify, quantify, and report numerous types of critical schedule assessment data for management use .  ... 
doi:10.6108/kspe.2020.24.3.071 fatcat:trxkhiuqrjakll32bcjxskgwju

Run-time extensibility and librarization of simulation software [article]

Jed Brown and Matthew G. Knepley and Barry F. Smith
2014 arXiv   pre-print
The community needs reusable software packages that are easy use and flexible enough to accommodate next-generation simulation and analysis demands.  ...  Build-time configuration and environment assumptions are hampering progress and usability in scientific software.  ...  Unlike most parts of mature simulation software, the analysis code often changes with each question a scientist asks, thus is highly volatile and does not benefit from the same amount of testing.  ... 
arXiv:1407.2905v1 fatcat:a4mbuniicvdbplaocf5l4v2ivi

12 Model order reduction and digital twins [chapter]

2020 Applications  
Creating such intelligence layers over several domains and life cycle phases requires, among other challenges, technologies for transforming and reducing complex simulation models.  ...  However, MOR is not only a key technology within emerging digital twins but also helps to reduce simulation times in the existing everyday business of simulation engineers.  ...  Acknowledgement: The digital twin was implemented by Christoph Ludwig; see again [13] , [64] , and [63] .  ... 
doi:10.1515/9783110499001-012 fatcat:k3n4ay2wpjg3jbjae7zhxma3m4

Report of the HPC Correctness Summit, Jan 25--26, 2017, Washington, DC [article]

Ganesh Gopalakrishnan and Paul D. Hovland and Costin Iancu and Sriram Krishnamoorthy and Ignacio Laguna and Richard A. Lethin and Koushik Sen and Stephen F. Siegel and Armando Solar-Lezama
2017 arXiv   pre-print
Maintaining leadership in HPC requires the ability to support simulations at large scales and fidelity.  ...  In this study, we detail one of the most significant productivity challenges in achieving this goal, namely the increasing proclivity to bugs, especially in the face of growing hardware and software heterogeneity  ...  Project 2: Multiphysics Multiphysics software systems-simulations that consists of more than one component governed by its own principles-are used in many large-scale physical simulations.  ... 
arXiv:1705.07478v1 fatcat:2rebouk2tvbqhcfthfhz5abd7i

Digital Twin: Values, Challenges and Enablers [article]

Adil Rasheed, Omer San, Trond Kvamsdal
2019 arXiv   pre-print
Recent advances in computational pipelines, multiphysics solvers, artificial intelligence, big data cybernetics, data processing and management tools bring the promise of digital twins and their impact  ...  Digital twinning is now an important and emerging trend in many applications.  ...  ACKNOWLEDGMENT The authors would like to thank Professor Harald Martens for his helpful comments and suggestions on an earlier draft of this manuscript.  ... 
arXiv:1910.01719v1 fatcat:3r2bbivffbeizelake7oo3xgbm
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