Efficient 3D modeling of gravity fields using NUFFT-based fast summation method

2019 ◽  
Author(s):  
Leyuan Wu*
Keyword(s):  
3D Modeling ◽  
Summation Method ◽  
Gravity Fields ◽  
Fast Summation

scholarly journals A fast summation method for oscillatory lattice sums

2017 ◽  
Vol 58 (2) ◽  
pp. 023511 ◽  
Author(s):  
Ryan Denlinger ◽  
Zydrunas Gimbutas ◽  
Leslie Greengard ◽  
Vladimir Rokhlin
Keyword(s):  
Summation Method ◽  
Lattice Sums ◽  
Fast Summation

A PPPM fast summation method for fluids and beyond

2014 ◽  
Vol 33 (6) ◽  
pp. 1-11 ◽  
Author(s):  
Xinxin Zhang ◽  
Robert Bridson
Keyword(s):  
Summation Method ◽  
Fast Summation

scholarly journals Viscous Vortex Particle Method Coupling with Computational Structural Dynamics for Rotor Comprehensive Analysis

2021 ◽  
Vol 11 (7) ◽  
pp. 3149
Author(s):  
Wenguo Zhu ◽  
Marco Morandini ◽  
Shu Li
Keyword(s):  
Particle Method ◽  
Summation Method ◽  
Comprehensive Analysis ◽  
Particle Interactions ◽  
Vortex Particle Method ◽  
Fast Summation ◽  
Computational Structural Dynamics ◽  
Induced Velocity ◽  
Far Wake ◽  
Vortex Particle

A panel/vortex particle hybrid method is coupled with a computational structure dynamics code to predict helicopter rotor loads. The rotor blade surfaces and near wakes are modeled by the panel method, while the far wake is modeled by resorting to the vortex particles method. A fast summation method is introduced to accelerate the evolution of particle–particle-induced velocity and its derivative as well as panel–particle interactions. The developed vortex particle method code is coupled with the multibody code MBDyn to predict the rotor airloads. Numerical validations are carried, out and the results are compared with the experiments and simulation results in the literature.

Partial Summation Method for XANES Calculation

1997 ◽  
Vol 7 (C2) ◽  
pp. C2-99-C2-102
Author(s):  
T. Fujikawa ◽  
R. Yanagisawa ◽  
N. Yiwata
Keyword(s):  
Summation Method ◽  
Partial Summation

A Model Is Worth 1,000 Pictures: Applications of 3D-Modeling in Skull Base Surgery Neuroanatomy Education

2020 ◽  
Author(s):  
Christopher S. Graffeo ◽  
Avital Perry ◽  
Lucas P. Carlstrom ◽  
Michael J. Link ◽  
Jonathan Morris
Keyword(s):  
Skull Base ◽  
3D Modeling ◽  
Skull Base Surgery

3D modeling of the vascular system

2016 ◽  
Vol 1 (1) ◽  
pp. 51-58 ◽  
Author(s):  
Jean François Uhl ◽  
Maxime Chahim ◽  
François Cros ◽  
Amina Ouchene ◽  
◽  
...  
Keyword(s):  
Augmented Reality ◽  
3D Modeling ◽  
Vascular System ◽  
Arterial System ◽  
Chronic Venous Disease ◽  
Venous Disease ◽  
Software Products ◽  
Operative Planning ◽  
Morphological Modeling ◽  
Pre Treatment

The 3D modeling of the vascular system could be achieved in different ways: In the venous location, the morphological modeling by MSCT venography is used to image the venous system: this morphological modeling tool accurately investigates the 3D morphology of the venous network of our patients with chronic venous disease. It is also a fine educational tool for students who learn venous anatomy, the most complex of the human body. Another kind of modeling (mathematical modeling) is used to simulate the venous functions, and virtually tests the efficacy of any proposed treatments. To image the arterial system, the aim of 3D modeling is to precisely assess and quantify the arterial morphology. The use of augmented reality before an endovascular procedure allows pre-treatment simulation, assisting in pre-operative planning as well as surgical training. In the special field of liver surgery, several 3D modeling software products are available for computer simulations and training purposes and augmented reality.

Methodology for 3D modeling of a graphite deposit based on reevaluation of archive data

2019 ◽  
Author(s):  
Jan Jelínek ◽  
František Staněk ◽  
Radomír Grygar ◽  
Jan Franěk ◽  
Michal Poňavič
Keyword(s):  
3D Modeling ◽  
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