90,847 Hits in 3.7 sec

Extended asymmetric hot region formation due to shockwave interactions following void collapse in shocked high explosive

Tzu-Ray Shan, Ryan R. Wixom, Aidan P. Thompson
2016 Physical review B  
Performing reactive molecular dynamics shock simulations using the reactive force field (ReaxFF) as implemented in the LAMMPS molecular dynamics package, we showed that the longitudinally asymmetric hot  ...  The secondary cylindrical shockwave originated in void collapse after the primary planar shockwave had passed over the void.  ...  Illustrated in Figure 3 are temperature maps at 0.1 ns and 0.375 ns after initial impact, both far behind the planar shockwave.  ... 
doi:10.1103/physrevb.94.054308 fatcat:rhfucskgwjcpfcgpomakrgkcea

Snaxels on a plane

Kevin Karsch, John C. Hart
2011 Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering - NPAR '11  
map, useful for stylized vector art illustration of the mesh.  ...  Tracing closed-loop boundaries on a mesh can be problematic due to switchbacks caused by subtle surface variation, and the organization of these regions into a planar map can lead to many small region  ...  dynamic vector art.  ... 
doi:10.1145/2024676.2024683 dblp:conf/npar/KarschH11 fatcat:mps2vgdmanb3paqhccqcil6awi

Planar Visibility Graph Network Algorithm For Two Dimensional Timeseries [article]

Jie Liu, Qingqing Li
2014 arXiv   pre-print
dimensional timeseries into a planar graph.  ...  The constructed planar graph inherits several properties of the series in its structure.  ...  The dynamics of Lorenz attractor is described as: , , , when a=28, b=8/3, c=10, it behaves chaotic.  ... 
arXiv:1411.6438v1 fatcat:2tydu5dgvfgxpowz42oorryrpq

Noise versus chaos in a causal Fisher-Shannon plane

Osvaldo Anibal Rosso, Felipe Olivares, Angelo Plastino
2015 Papers in Physics  
Several stochastic dynamical (noises with f^-k, k ≥ 0, power spectrum) and chaotic processes (27 chaotic maps) are analyzed so as to illustrate the approach.  ...  Our main achievement is uncovering the informational properties of the planar location.  ...  Several stochastic dynamics (noises with f −k , k ≥ 0, power spectrum) and chaotic processes (27 chaotic maps) are analyzed so as to illustrate the methodology.  ... 
doi:10.4279/pip.070006 fatcat:xeklux4d2vgzbd366mpplbnfl4

Fast Minor Testing in Planar Graphs [chapter]

Isolde Adler, Frederic Dorn, Fedor V. Fomin, Ignasi Sau, Dimitrios M. Thilikos
2010 Lecture Notes in Computer Science  
Our technique is based on a novel approach called partially embedded dynamic programming. An extended abstract of this work appeared in the proceedings of ESA'10 [2].  ...  Our algorithm is the first singleexponential algorithm for this problem and improves all previous minor testing algorithms in planar graphs.  ...  For an illustration, see Fig. 1 . Branchwidth.  ... 
doi:10.1007/978-3-642-15775-2_9 fatcat:fyf6lxyrdvcj5frvn44uixkix4

Page 9571 of Mathematical Reviews Vol. , Issue 2003m [page]

2003 Mathematical Reviews  
return map.  ...  9571 70F Dynamics of a system of particles, including celestial mechanics trollers for general planar bipedal systems that have one degree- of-freedom greater than the number of available actuators.  ... 


J. Li, B. Yang, C. Chen, W. Wu, L. Zhang
2020 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Secondly, raw laser observations are matched with the extracted planar voxels to establish laser matching observations.  ...  Firstly, the planar voxels from the AT point clouds are extracted, due to the fact that they are more reliable in AT point clouds.  ...  (Section 2.3); (3) building Dynamic Networks (Section 2.4), as illustrated in Fig.1 .  ... 
doi:10.5194/isprs-annals-v-1-2020-245-2020 fatcat:ymaoki746jf37jgph267jwxcju

Real-Time Recursive Specular Reflections on Planar and Curved Surfaces using Graphics Hardware

Kasper Høy Nielsen, Niels Jørgen Christensen
2002 International Conference in Central Europe on Computer Graphics and Visualization  
We describe and compare two methods that utilize texture mapping and environment mapping, while having reasonable memory requirements.  ...  We show that the methods can render recursive reflections in static and dynamic scenes in real-time on current consumer graphics hardware.  ...  Using this scheme, only one reflection map is required for each recursion level, as illustrated in Fig. 3 .  ... 
dblp:conf/wscg/NielsenC02a fatcat:gj7lqzo6qfawzb5oebgr7tfr2y

Simultaneous & topologically-safe line simplification for a variable-scale planar partition [chapter]

Martijn Meijers
2011 Lecture Notes in Geoinformation and Cartography  
We describe an algorithm to simplify the boundary lines after a map generalization operation (either a merge or a split operation) has been applied on a polygonal area and its neighbours.  ...  We employ a batch generalization process for obtaining a variable-scale planar partition.  ...  A valid planar partition at a fixed and at a variable map scale A planar partition can be fully described by storing a topological structure.  ... 
doi:10.1007/978-3-642-19789-5_17 fatcat:6o6h3iezlbc75d3pvpqfdgccku

Improving Initial Flattening of Convex-Shaped Free-Form Mesh Surface Patches Using a Dynamic Virtual Boundary

Erdem Yavuz, Rıfat Yazıcı, Mustafa Cem Kasapba¸sı, Turgay Tugay Bilgin
2019 Computer systems science and engineering  
The proposed approach, based on barycentric mapping technique, incorporates a dynamic virtual boundary, which considerably improves initial mapping result.  ...  The dynamic virtual boundary approach is utilized to reduce the distortions for the triangles near the boundary caused by the nature of convex combination technique.  ...  Fig. 1 illustrates virtual boundary nodes created dynamically in order to improve flattening result of 3D surface patch and its planar equivalent.  ... 
doi:10.32604/csse.2019.34.339 fatcat:ukcd5zo74fev7iztjkbz5x465q

On The Effects Of Non-planar Geometry for Blind Thrust Faults on Strong Ground Motion [chapter]

Hideo Aochi, kimb Olsen
2004 Computational Earthquake Science Part II  
Our tests include the computation of synthetic seismograms for several simple rupture scenarios with planar and curved fault approximations of the 1994 Northridge earthquake.  ...  We quantify the effects of complex fault geometry on low-frequency (< 1 Hz) strong ground motion using numerical modeling of dynamic rupture.  ...  Figure 1 1 Illustration of the fault models used in our study in map view (top panel) and in a cross section (bottom panel). The stars depict the location of the hypocenters.  ... 
doi:10.1007/978-3-0348-7875-3_3 fatcat:fpjrxwz4gjgdfcq347nnzpe7xi

Dynamic Graph Map Animation

Seok-Hee Hong, Peter Eades, Marnijati Torkel, Weidong Huang, Cristina Cifuentes
2020 2020 IEEE Pacific Visualization Symposium (PacificVis)  
In many real world applications, the data changes over time, resulting in a dynamic map. This paper introduces new methods for representing dynamic graphs with map animation.  ...  Recent methods for visualizing graphs have used a map metaphor: vertices are represented as regions in the plane, and proximity between regions represents edges between vertices.  ...  However, instead of using Voronoi diagram map, this method uses a weak planar dual map. Suppose that G is a planar graph embedded in the plane.  ... 
doi:10.1109/pacificvis48177.2020.1042 dblp:conf/apvis/HongET0C20 fatcat:5paqv3uptbecjlncglqx42tjgq

Neimark-Sacker Bifurcation in Demand-Inventory Model with Stock-Level-Dependent Demand

Piotr Hachuła, Magdalena Nockowska-Rosiak, Ewa Schmeidel
2017 Discrete Dynamics in Nature and Society  
We give phase portraits of the planar system to confirm the previous analytical results and show new interesting complex dynamical behaviours emerging in it.  ...  An analysis of dynamics of demand-inventory model with stock-level-dependent demand formulated as a three-dimensional system of difference equations with four parameters is considered.  ...  Graphs illustrating the cases in Table 1 are presented in Figures 1-4 . The planar system is dependent on five parameters , , , , and .  ... 
doi:10.1155/2017/8162865 fatcat:ndjk6w47b5b3lgu4s5s2dav2ta

Dynamic harmonic texture mapping using methods of fundamental solutions

Huanhuan Xu, Xin Li
2011 2011 6th International Conference on Computer Science & Education (ICCSE)  
We demonstrate that our framework can efficiently conduct feature-aligned texture mapping with dynamic deforming meshes or texture images.  ...  We first flatten the surface onto planar domain, then compose a 2D harmonic map with user specified features aligned with corresponding texels in the texture image.  ...  . • We use this framework to efficiently compute dynamic texture mapping, which can handle the texture mapping from a dynamic sequence of images like a video to a model, and the texture mapping from a  ... 
doi:10.1109/iccse.2011.6028775 fatcat:5lzswnlvxzeafjgq6ukumx6eiq

Symbolic Methods for Analysing Bifurcations and Chaos of Two Five-Parameter Families of Planar Quadratic Maps

Sarbast H. Mikaeel, Bewar H. Othman
2020 Science Journal of University of Zakho  
In this work, we analyze the dynamical behaviors of two five-parameter families of planar quadratic maps by utilizing strategies of symbolic computation.  ...  We are going to use computer algebra methods to clarify how to detect the stability of equilibrium points to analyze chaos and also the bifurcation of planar maps.  ...  Dynamical types Map (2) Map (2) CONCLUSION Our experiments illustrate the viability and expediency of our algebraic approach for stability, bifurcation and chaos analysis of the planar quadratic  ... 
doi:10.25271/sjuoz.2020.8.2.723 fatcat:y55z6ttr2bhffgor6ernqpvuha
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