Faster And More Robust Algorithms For Monte Carlo Light Transport Simulation
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Author | : Johannes Jendersie |
Publisher | : |
Total Pages | : 0 |
Release | : 2020 |
Genre | : |
ISBN | : |
Download Faster and More Robust Algorithms for Monte Carlo Light Transport Simulation Book in PDF, Epub and Kindle
Author | : Eric Veach |
Publisher | : |
Total Pages | : 444 |
Release | : 1998 |
Genre | : Computer algorithms |
ISBN | : |
Download Robust Monte Carlo Methods for Light Transport Simulation Book in PDF, Epub and Kindle
Author | : Anton S. Kaplanyan |
Publisher | : |
Total Pages | : |
Release | : 2017 |
Genre | : |
ISBN | : |
Download Robust and Efficient Monte Carlo Light Transport Simulation Using Regularizations and the Half Vector Integration Domain Book in PDF, Epub and Kindle
Author | : Alireza Haghighat |
Publisher | : CRC Press |
Total Pages | : 287 |
Release | : 2016-04-19 |
Genre | : Mathematics |
ISBN | : 1466592540 |
Download Monte Carlo Methods for Particle Transport Book in PDF, Epub and Kindle
The Monte Carlo method has become the de facto standard in radiation transport. Although powerful, if not understood and used appropriately, the method can give misleading results. Monte Carlo Methods for Particle Transport teaches appropriate use of the Monte Carlo method, explaining the method's fundamental concepts as well as its limitations. Co
Author | : Andreas Kling |
Publisher | : Springer |
Total Pages | : 1224 |
Release | : 2001-10-02 |
Genre | : Computers |
ISBN | : |
Download Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation and Applications Book in PDF, Epub and Kindle
This book focuses on the state of the art of Monte Carlo methods in radiation physics and particle transport simulation and applications. Special attention is paid to algorithm development for modeling, and the analysis of experiments and measurements in a variety of fields.
Author | : SCOTT JAMES WILDERMAN |
Publisher | : |
Total Pages | : 411 |
Release | : 1990 |
Genre | : |
ISBN | : |
Download VECTORIZED ALGORITHMS FOR MONTE CARLO SIMULATION OF KILOVOLT ELECTRON AND PHOTON TRANSPORT (ELECTRON TRANSPORT). Book in PDF, Epub and Kindle
data for the reported accuracy optimization studies.
Author | : Paul Kollath Romano |
Publisher | : |
Total Pages | : 199 |
Release | : 2013 |
Genre | : |
ISBN | : |
Download Parallel Algorithms for Monte Carlo Particle Transport Simulation on Exascale Computing Architectures Book in PDF, Epub and Kindle
Monte Carlo particle transport methods are being considered as a viable option for high-fidelity simulation of nuclear reactors. While Monte Carlo methods offer several potential advantages over deterministic methods, there are a number of algorithmic shortcomings that would prevent their immediate adoption for full-core analyses. In this thesis, algorithms are proposed both to ameliorate the degradation in parallal efficiency typically observed for large numbers of processors and to offer a means of decomposing large tally data that will be needed for reactor analysis. A nearest-neighbor fission bank algorithm was proposed and subsequently implemented in the OpenMC Monte Carlo code. A theoretical analysis of the communication pattern shows that the expected cost is O([square root]N) whereas traditional fission bank algorithms are O(N) at best. The algorithm was tested on two supercomputers, the Intrepid Blue Gene/P and the Titan Cray XK7, and demonstrated nearly linear parallel scaling up to 163,840 processor cores on a full-core benchmark problem. An algorithm for reducing network communication arising from tally reduction was analyzed and implemented in OpenMC. The proposed algorithm groups only particle histories on a single processor into batches for tally purposes - in doing so it prevents all network communication for tallies until the very end of the simulation. The algorithm was tested, again on a full-core benchmark, and shown to reduce network communication substantially. A model was developed to predict the impact of load imbalances on the performance of domain decomposed simulations. The analysis demonstrated that load imbalances in domain decomposed simulations arise from two distinct phenomena: non-uniform particle densities and non-uniform spatial leakage. The dominant performance penalty for domain decomposition was shown to come from these physical effects rather than insufficient network bandwidth or high latency. The model predictions were verified with measured data from simulations in OpenMC on a full-core benchmark problem. Finally, a novel algorithm for decomposing large tally data was proposed, analyzed, and implemented/tested in OpenMC. The algorithm relies on disjoint sets of compute processes and tally servers. The analysis showed that for a range of parameters relevant to LWR analysis, the tally server algorithm should perform with minimal overhead. Tests were performed on Intrepid and Titan and demonstrated that the algorithm did indeed perform well over a wide range of parameters.
Author | : Jón Atli Benediktsson |
Publisher | : Springer |
Total Pages | : 761 |
Release | : 2015-05-15 |
Genre | : Computers |
ISBN | : 3319187201 |
Download Mathematical Morphology and Its Applications to Signal and Image Processing Book in PDF, Epub and Kindle
This book contains the thoroughly refereed proceedings of the 12th International Symposium on Mathematical Morphology, ISMM 2015 held in Reykjavik, Iceland, in May 2015. The 62 revised full papers were carefully reviewed and selected from 72 submissions. The papers are organized in topical sections on evaluations and applications; hierarchies; color, multivalued and orientation fields; optimization, differential calculus and probabilities; topology and discrete geometry; and algorithms and implementation.
Author | : Kostas Daniilidis |
Publisher | : Springer Science & Business Media |
Total Pages | : 834 |
Release | : 2010-08-30 |
Genre | : Computers |
ISBN | : 3642155510 |
Download Computer Vision -- ECCV 2010 Book in PDF, Epub and Kindle
The six-volume set comprising LNCS volumes 6311 until 6313 constitutes the refereed proceedings of the 11th European Conference on Computer Vision, ECCV 2010, held in Heraklion, Crete, Greece, in September 2010. The 325 revised papers presented were carefully reviewed and selected from 1174 submissions. The papers are organized in topical sections on object and scene recognition; segmentation and grouping; face, gesture, biometrics; motion and tracking; statistical models and visual learning; matching, registration, alignment; computational imaging; multi-view geometry; image features; video and event characterization; shape representation and recognition; stereo; reflectance, illumination, color; medical image analysis.
Author | : Leland L. Carter |
Publisher | : |
Total Pages | : 100 |
Release | : 1975 |
Genre | : |
ISBN | : |
Download Particle-transport simulation with the Monte Carlo method Book in PDF, Epub and Kindle