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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Existence of hyperbolic motions for Newtonian and generalized N-body problem（II）
牛顿 广义N体问题 双曲运动 存在性
2023/11/7
For the classical N-body problem, Maderna-Venturelli [Ann. Math. 2020] proved the existence of hyperbolic motions with any positive energy constant, starting from any configuration and along any nonco...
One of the virtues of untethered soft robots is their ability to mechanically adapt to their surroundings and tasks, making them ideal for a range of roles, from tightening bolts in a factory to condu...
Piecewise Image Registration in the Presence of Multiple Large Motions
Registration Large Motions
2016/5/24
We present a technique for computing a dense pixel correspondence
between two images of a scene containing multiple
large, rigid motions. We model each motion with either
a homography (for planar o...
Simple Method of the Formation of the Hamiltonian Matrix for Some Schrodinger Equations Describing the Molecules with Large Amplitude Motions
Schrodinger Equation Large Amplitude Motions Hamiltonian Matrix
2013/1/30
A simple approach to the formation of a Hamiltonian matrix for some Schrodinger equations describing the molecules with large amplitude motions has been proposed. The algorithm involving one or severa...
Analysis of Skin Movements with Respect to Bone Motions using MR Images
Skin movement Motion analysis MR images 3D surface reconstruction
2009/8/19
This paper describes a novel experiment that measures skin movement with respect to the flexional motion of a hand. The study was based on MR images in conjunction with CAD techniques. The MR images o...
Characteristics of Maneuvering Motions of Philippine Outrigger Craft
Outrigger Craft Maneuverability Numerical Simulation MMG Model Wind
2009/5/18
The Core-University Scientific Corporation Program has started between Philippines and Japan from 1998. The project of fishing craft is conducted to improve the performance of Philippine outrigger cra...
Characteristics of Longitudinal Motions of a Planing Craft in Head Waves at Very High-Speed—Effect of Surging on Heaving and Pitching—
High-Speed Planing Craft Stability Longitudinal Motion Surge Heave Pitch
2009/5/12
In this study, characteristics of longitudinal motions of a planing craft running at very high-speed in regular head waves are experimentally and theoretically investigated. The results of experiments...
Prediction of Maneuvering Hydrodynamic Forces and the Steering Motions Based on the Oblique Hydrodynamic Forces
Oblique Hydrodynamic Forces a Component-type Mathematical Model Hydrodynamic Characteristics Estimation of Hydrodynamic Forces Maneuvering Motion
2009/5/12
The authors had developed a component-type mathematical model of hydrodynamic forces acting on a ship hull in steering motion that is deduced from the simplified vortex model. This mathematical model ...
Estimations of Motions and Added Wave Resistance of Ships Advancing in Waves by a Time-Domain Hybrid Method
a time-domain hybrid motions wave resistance of ships
2009/4/29
In this paper, we apply the method to simulate ship motions in regular head waves and also to estimate added wave resistance for four ships; two modified Wigley models, Series-60 (Cb = 0.6) and Series...
Model Experiments on Extreme Motions of a Wave-Piercing Tumblehome Vessel in Following and Quartering Waves
Wave-Piercing Tumblehome Vessel Quartering Waves
2009/4/7
This paper reports model experiments of a wave-piercing tumblehome hull in following and quartering waves for examining the applicability of a system-based simulation model proposed by the authors to ...
Experimental Study on Wave-Induced Motions and Steady Drift Forces of an Obliquely Moving Ship
Lateral drift Obliquely Moving
2009/3/30
Lateral drift occurs due to the effects of wind forces and/or wave drifting forces in ships sailing in actual seas.
A practical method for simulating both ship maneuvering and wave-induced motions is presented.
Comparison of Heald Frame Motion Generated by Rotary Dobby and Crank & Cam Shedding Motions
rotary dobby cam shedding motion shedding motion weaving machine
2009/2/9
Mechanism models are introduced for rotary dobby, crank & cam shedding motions. Equations governing heald frame motion are derived. Heald frame motion curves are obtained and compared with each other....
ROBUSTNESS OF PREDOMINANT DIRECTION OF NEAR-SOURCE GROUND MOTIONS AND ITS UTILIZATION IN PORT PLANNING
near-source ground motion predominant direction fault
2009/1/4
A countermeasure against near-source ground motions should be established based on careful examinations of their characteristics. Since a tendency has been found for the strike-normal component to be...
ROBUSTNESS OF PREDOMINANT DIRECTION OF NEAR-SOURCE GROUND MOTIONS AND ITS UTILIZATION IN PORT PLANNING
near-source ground motion predominant direction fault
2008/12/31
A countermeasure against near-source ground motions should be established based on careful examinations of their characteristics. Since a tendency has been found for the strike-normal component to be...
