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In-situ processing and visualization for ultrascale simulations

Kwan-Liu Ma, Chaoli Wang, Hongfeng Yu, Anna Tikhonova
2007 Journal of Physics, Conference Series  
In this paper, we discuss different approaches to in-situ processing and visualization as well as the results of our preliminary study using large-scale simulation codes on massively parallel supercomputers  ...  As we move into peta-and exa-scale computing, simply dumping as much raw simulation data as the storage capacity allows for post-processing analysis and visualization is no longer a viable approach.  ...  You are all critical in our understanding of the needs of the community and provide invaluable feedback during the research and development process.  ... 
doi:10.1088/1742-6596/78/1/012043 fatcat:ryq7fechibdxhe3yrmai4xzeu4

Landslide Investigation with Remote Sensing and Sensor Network: From Susceptibility Mapping and Scaled-down Simulation towards in situ Sensor Network Design

Gang Qiao, Ping Lu, Marco Scaioni, Shuying Xu, Xiaohua Tong, Tiantian Feng, Hangbin Wu, Wen Chen, Yixiang Tian, Weian Wang, Rongxing Li
2013 Remote Sensing  
and a visualization system.  ...  Finally, outcomes from the simulation experiments were adopted and employed to design the future in situ sensor network in Taziping landslide site where the sensor deployment is being implemented.  ...  The Scaled-Down Landslide Simulation A simulation platform can be used as a first step in defining the set of in situ sensors to be adopted in the field.  ... 
doi:10.3390/rs5094319 fatcat:ijyasjgb5nej3lbcq4eqexudje

Seismic Assessment of St James Church by Means of Pushover Analysis – Before and After the New Zealand Earthquake

Ana S. Araujo
2012 Open Civil Engineering Journal  
Pushover analysis results of the undamaged model show reasonable agreement with the visual inspection performed in situ, which further validates the model used.  ...  The validation of the numerical models was achieved by the calibration of the damaged model according to dynamic identification tests carried out in situ after the earthquake.  ...  ACKNOWLEDGEMENTS The first and last authors gratefully acknowledge the support of the Po SFRH / BD / 62301 / 2009.  ... 
doi:10.2174/1874149501206010160 fatcat:qpnf2xe7vvfc7pvmcv3vkdigaa

Pillars of the Mantle

David Pugmire, Ebru Bozdağ, Matthieu Lefebvre, Jeroen Tromp, Dmitri Komatitsch, Daniel Peter, Norbert Podhorszki, Judith Hill
2017 Proceedings of the Practice and Experience in Advanced Research Computing 2017 on Sustainability, Success and Impact - PEARC17  
In this work, we investigate global seismic tomographic models obtained by spectral-element simulations of seismic wave propagation and adjoint methods.  ...  Visualization of the generated data sets provide an effective way to understand the computed wave perturbations which define the structure of mantle in the Earth. ACM Reference format:  ...  Once read in by the plugin, the large number of operations inside VisIt can be used for visualization and analysis.  ... 
doi:10.1145/3093338.3104170 dblp:conf/xsede/PugmireBLTKPPH17 fatcat:zr34ef6adbcipmlzif7ksziqyq

Analytics challenge---Remote runtime steering of integrated terascale simulation and visualization

Tiankai Tu, Ricardo Taborda-Rios, John Urbanic, Hongfeng Yu, Jacobo Bielak, Omar Ghattas, Julio C. Lopez, Kwan-Liu Ma, David R. O'Hallaron, Leonardo Ramirez-Guzman, Nathan Stone
2006 Proceedings of the 2006 ACM/IEEE conference on Supercomputing - SC '06  
The submitted video demonstrates real-time on-the-fly monitoring, interpreting, and steering from a remote laptop computer of a 1024processor simulation of the 1994 Northridge earthquake in Southern California  ...  Because our approach avoids the bottlenecks associated with transferring and storing large volumes of output data, it offers a promising approach to overcoming the challenges of visualization of petascale  ...  Acknowledgments We thank Michael Ogawa for helping with the production of the animation. We would also like to thank our SCEC CME partners Tom Jordan and Phil Maechling for their support and help.  ... 
doi:10.1145/1188455.1188767 dblp:conf/sc/TuYBGLMORSTU06 fatcat:7j3k5xbskraa7epdkj76xgpb24

Editorial: Recent Advances in Seismic Risk Assessment and Its Applications

Michele D'Amato, Rosario Gigliotti, Daniel V. Oliveira
2020 Frontiers in Built Environment  
with in-situ visual inspections.  ...  This scope considered probabilistic seismic hazard analysis, and fragility functions derived from incremental dynamic analyses.  ...  AUTHOR CONTRIBUTIONS All authors listed have made a substantial, direct and intellectual contribution to the work, and approved it for publication.  ... 
doi:10.3389/fbuil.2020.616601 fatcat:gwfuz6oz4jax3g5cxxphruolgm

Combining in-situ and in-transit processing to enable extreme-scale scientific analysis

Janine C. Bennett, Hasan Abbasi, Peer-Timo Bremer, Ray Grout, Attila Gyulassy, Tong Jin, Scott Klasky, Hemanth Kolla, Manish Parashar, Valerio Pascucci, Philippe Pebay, David Thompson (+3 others)
2012 2012 International Conference for High Performance Computing, Networking, Storage and Analysis  
In this paper we explore the design and implementation of three common analysis techniques typically performed on large-scale scientific simulations: topological analysis, descriptive statistics, and visualization  ...  that support efficient data movement between in-situ and in-transit computations.  ...  Multiple instances of each visualization mode can be dynamically created in-situ and/or in-transit on demand, enabling scientists to explore different aspects of simulation and analysis data in linked-views  ... 
doi:10.1109/sc.2012.31 dblp:conf/sc/BennettABGGJKKPPPTYZC12 fatcat:f3wyhi5khzgmfphpdpx7skvyoq

Toward simulation-time data analysis and I/O acceleration on leadership-class systems

Venkatram Vishwanath, Mark Hereld, Michael E. Papka
2011 2011 IEEE Symposium on Large Data Analysis and Visualization  
It is therefore critical to make data movement as efficient as possible, and, to facilitate simulation-time data analysis and visualization to reduce the data written to storage.  ...  We discuss the performance of GLEAN for simulation-time analysis and I/O acceleration with simulations at scale on leadership class systems *  ...  Department of Energy, under Contract DE-AC02-06CH11357 and an Argonne National Laboratory Director Postdoctoral Fellowship.  ... 
doi:10.1109/ldav.2011.6092178 dblp:conf/ldav/VishwanathHP11 fatcat:cp3q54dg35cdpk3oka7kxhqmve

Mitigation of liquefaction hazard by dynamic compaction — a random field perspective

Mengfen Shen, C. Hsein Juang, Qiushi Chen
2019 Canadian geotechnical journal (Print)  
In practice, however, a direct one-to-one comparison is challenging due to limited availability of in situ test data and the fact that the number and location of these data before and after DC are typically  ...  This approach is proven effective in assessing the effects of DC and is validated with liquefaction observations from the 1999 Chi-Chi earthquake.  ...  soil 94 spatial variation are not entirely new, the combined use of the available tools in an areal 95 liquefaction potential analysis using in situ test data before and after ground improvement in a  ... 
doi:10.1139/cgj-2018-0502 fatcat:dwx7zxpyprau7e2icm7wxmmfm4

Enhancing eResearch productivity with NeSI's consultancy service [article]

Alexander Pletzer, Chris Scott, Wolfgang Hayek, Georgina Rae
2020 Figshare  
Many research areas from bioinformatics and genomics, to materials science, fundamental physics, earthquake simulation and weather/climate prediction are increasingly dependent on the availability of powerful  ...  Georgina has experience in food and plant research and has worked in the world of intellectual property and commercialisation  ...  Users can connect to the simulation for real-time output analysis Predicting floods and storm surges Simulating fluvial erosion and transport of sediments • The problem  ... 
doi:10.6084/m9.figshare.11929488.v1 fatcat:ltkjftq6qzfjzow4cgde5od4gq

Briefing: High-performance computing for city-scale modelling and simulations

Kenichi Soga, Gerard Casey, Krishna Kumar, Bingyu Zhao
2017 Proceedings of the Institution of Civil Engineers - Smart Infrastructure and Construction  
City-scale Models and Simulations The 21 st Century is witnessing a rapid rise of urbanization both in the developed and the developing world.  ...  Figure 1 shows the visualization of our graph-parallel distributed computing tool that simulates city-scale infrastructure networks with hundred-thousand links and millions of agents traversing close to  ...  In-situ data processing, coupling visualization and analysis routines with the simulation code (no I/O), will enable large data visualization.  ... 
doi:10.1680/jsmic.17.00026 fatcat:iejlrxaprvelfkud5noakchnde

Damaris/Viz: A nonintrusive, adaptable and user-friendly in situ visualization framework

Matthieu Dorier, Robert Sisneros, Tom Peterka, Gabriel Antoniu, Dave Semeraro
2013 2013 IEEE Symposium on Large-Scale Data Analysis and Visualization (LDAV)  
Accordingly, there is active research to shift analysis and visualization tasks to run in situ, that is, closer to the simulation via the sharing of some resources.  ...  In this paper, we focus on the specific case of in situ visualization where analysis codes are collocated with the simulation's code and run on the same resources.  ...  We also acknowledge the VisIt developers, in particular Hank Childs, Brad Whitlock and Jean Favre for their help with using VisIt's in situ interface.  ... 
doi:10.1109/ldav.2013.6675160 dblp:conf/ldav/DorierSPAS13 fatcat:lvb7elmn5fg6valsz46ojznfdq

The LEXIS approach to Searching and Managing FAIR Research Data in Converged HPC-Cloud-Big Data Architectures

Stephan Hachinger, Jan Martinovic, Olivier Terzo, Cédric Koch-Hofer, Martin Golasowski, Mohamad Hayek, Marc Levrier, Alberto Scionti, Donato Magarielli, Thierry Goubier, Antonio Parodi, Sean Murphy (+5 others)
2019 Zenodo  
Appeared in: Open Search Symposium 2019, 23-24 October 2019, Garching / Munich, Germany.  ...  and gearbox systems in Aeronautics, ii) Earthquake and Tsunami simulations which are accelerated to enable accurate real-time analysis, and iii) Weather and Climate simulations where massive amounts of  ...  in situ data are assimilated to improve forecasts.  ... 
doi:10.5281/zenodo.3565343 fatcat:3pk2bg372zepnnzipok4rhrcly

Preliminary Observations on Historical Castle Trakošćan (Croatia) Performance under Recent ML ≥ 5.5 Earthquakes

Snježana Markušić, Davor Stanko, Davorin Penava, Domagoj Trajber, Radmila Šalić
2021 Geosciences  
Earthquake damage was observed and assessed by visual inspection accompanied by ambient vibration measurements.  ...  Ambient vibration measurements, which were compared to pre-earthquake ones, revealed the decrease in the fundamental frequencies of the Castle's central tower unit and the second floor, thus possibly indicating  ...  The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.  ... 
doi:10.3390/geosciences11110461 fatcat:ypeee65slrewlcfq4a5kr6whcu

Finite Element Modelling of Coupled Fluid-Flow and Geomechanical Aspects for the Sustainable Exploitation of Reservoirs: The Case Study of the Cavone Reservoir

Elena Benvenuti, Giulia Maurillo
2019 Geosciences  
It requires the solution of a coupled problem governed by poroelastic and fluid flow equations in a faulted domain in the presence of in situ stress fields.  ...  The focus is on the evaluation of the link between the oil & gas activities of the Cavone oilfield reservoir, located in North Italy and adjacent to the Mirandola fault, and the recent seismic sequence  ...  poroelastic analysis without taking into account the Mirandola fault and the in situ stresses.  ... 
doi:10.3390/geosciences9050213 fatcat:o64zz3sj2fb2legmvscb6w7i5a
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