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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Maximal $L^1$-regularity and application to a free boundary problem of Navier-Stokes equations near half-space in critical space (I)
临界空间 近半空间 纳维-斯托克斯方程 最大$L^1$-正则性 自由边界问题
2023/4/17
In this talk, time-dependent free surface problem for the incompressible Navier-Stokes equations which describes the motion of viscous incompressible fluid nearly half-space are considered. We will di...
At a time when astronomers around the world are reveling in new views of the distant cosmos, an experiment on the International Space Station has given Cornell researchers fresh insight into something...
Inhomogeneity of the phase space of the damped harmonic oscillator under Levy noise
Inhomogeneity of the phase space damped harmonic oscillator Levy noise Statistical Mechanics
2012/4/19
The damped harmonic oscillator under symmetric L\'{e}vy white noise shows inhomogeneous phase space, which is in contrast to the homogeneous one of the same oscillator under the Gaussian white noise, ...
EXPERIMENTAL STUDIES AND ECONOMIC CONSIDERATIONS ON A LIVING SPACE HEATED THROUGH PASSIVE SOLAR GAIN AND THROUGH ELECTRIC POWER
passive solar heating Trombe wall efficiency on site measurements
2009/10/13
The Tromber wall, of an area AT = 8.8 m ,built on the southern facade of a room, heats the accommodation during the transition months, complementary to electric power. The statistical processing of th...
This study unveils the time–space transforms underlying anomalous diffusion process. Based on this finding, we present the two hypotheses concerning the effect of fractal time–space fabric on physical...
Evolution methods for discrete minimal weight design of space trusses with stability constraints
evolution methods minimal weight design of space trusses
2010/3/12
This paper provides a comparative study of evolution methods for minimal weight design of space trusses. Recently used genetic algorithms (GA), simulated annealing (SA) and tabu search (TS) methods ar...
Fractional Laplacian time-space models for linear and nonlinear lossy media exhibiting arbitrary frequency dependency
Fractional Laplacian time-space models linear and nonlinear lossy media arbitrary frequency dependency
2010/10/22
Frequency-dependent attenuation typically obeys an empirical power law with an exponent ranging from 0 to 2. The standard time-domain partial differential equation models can describe merely two extre...
On inverse kinematics and kinetics of redundant space manipulator simulation
inverse kinematics and kinetics redundant manipulators space robotics optimization with constraints
2010/3/12
Redundant manipulators are nowadays favoured in several future space mission scenarios in order to enhance the skill and flexibility of the entire system. DLR, since many years, has been engaged in th...