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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On nonlinear Schrodinger-type equations with nonlinear damping
非线性阻尼 非线性 薛定谔型方程
2023/4/25
In this talk，I will introduce equations of nonlinear Schrodinger-type augmented by nonlinear damping terms. The nonlinear damping can prevent finite time blow-up in several situations. The solution of...
Root rot and damping-off of Aleppo pine seedlings caused by Pythium spp. in Algerian forest nurseries
pathogenicity oomycetes Pinus halepensis Pythium ultimum Pythium heterothallicum seedling emergence
2016/8/2
Aleppo pine (Pinus halepensis Miller) is a common forest tree in the Mediterranean Region. Production of Aleppo pine seedlings is hindered by damping off and root rot diseases in cooler conditions of ...
The role of radiation damping in the modeling of repeated earthquake events
Seismic cycle Earthquake recurrence Radiation damping Spring-slider model Fault rheology Computational seismology
2015/8/18
We have investigated the role of the radiation damping term (RDT) on repeated earthquake ruptures by modeling the faulting process through a single one-dimensional analog fault system governed by diff...
Seedlings damping-off of Chenopodium quinoa Willd
seedlings damping-off Chenopodium quinoa germination emergence Pythium spp. Fusarium spp
2015/1/30
The causal agents of damping-off of quinoa seedlings were determined in greenhouse experiments. Ascochyta caulina, Fusarium avenaceum, Fusarium spp., Alternaria spp. and Pythium spp. were isolated fro...
Landau damping of spin waves in trapped Boltzmann gases
Ultracold gas boltzmann spatial dependence
2014/12/20
A semiclassical method is used to study Landau damping of transverse pseudo-spin waves in harmonically trapped ultracold gases in the collisionless Boltzmann limit. In this approach, the time evolutio...
Semi-Active Damping for an Intelligent Adaptive Ankle Prosthesis
Semi-Active Damping an Intelligent Adaptive Ankle Prosthesis
2014/10/23
Modern lower limb prostheses are devices that replace missing limbs, making it possible for lower limb amputees to walk again. Most commercially available prosthetic limbs lack intelligence and passiv...
Magneto-induced large deformation and high-damping performance of a magnetorheological plastomer
magnetorheological plastomer magneto-damping effect magneto-mechanical
2015/3/24
A magnetorheological plastomer (MRP) is a new kind of soft magneto-sensitive polymeric composite. This work reports on the large magneto-deforming effect and high magneto-damping performance of MRPs u...
Effect of Cross-Link Density of the Matrix on the Damping Properties of Magnetorheological Elastomers
Crosslinking density damping characteristics magnetorheological elastomers microstructure observation electron microscope and dynamic mechanical analyzer
2015/3/26
The effect of cross-link density of the matrix on the controllable damping properties of magnetorheological elastomers (MREs) has been investigated. MRE samples with different cross-link densities and...
Investigation on the mechanism of damping behavior of magnetorheological elastomers
Magnetorheological elastomers materials the dynamic vibration absorber the damping behavior of composites
2015/3/27
Magnetorheological elastomers (MREs) are a group of smart materials which have many applications such as dynamic vibration absorbers, engine mounts, and so on. The damping behavior is important for ap...
On radiative damping in plasma-based accelerators
plasma-based accelerators Plasma Physics Accelerator Physics
2012/5/31
Radiative damping in plasma-based electron accelerators is analyzed. The electron dynamics under combined influence of the constant accelerating force and the classical radiation reaction force is stu...
Control of the Damping Properties of Magnetorheological Elastomers by Using Polycaprolactone as a Temperature-Controlling Component
Magnetorheological elastomers controllable damping characteristics poly acid lactone rubber
2015/3/27
A novel kind of magnetorheological elastomers (MREs) with controllable damping properties was developed in this study. Polycaprolactone (PCL) was selected as the temperature-controllable component in ...
Simulation of the damping effect of a high-rise CRST frame structure
concrete-filled rectangular steel tube high-rise building viscous damper shaking table test nonlinear time-history analysis
2014/4/10
The damping effect of a Concrete-filled Rectangular Steel Tube (CRST) frame structure is studied in this paper. Viscous dampers are employed to insure the function of the building especially subjected...
Radiation Damping in the Photoionization of Fe^{14+}
Radiation Damping Photoionization Fe^{14+}
2012/2/28
A theoretical investigation of photoabsorption and photoionization of Fe^{14+} extending beyond an earlier frame transformation R-matrix implementation is performed using a fully-correlated, Breit-Pau...
Plasma damping effects on the radiative energy loss of relativistic particles
Landau-Pomeranchuk-Migdal effect Ter-Mikaelian effect radiative energy loss
2011/7/21
The energy loss of a relativistic charge undergoing multiple scatterings while traversing an infinite, polarizable and absorptive plasma is investigated.
Oscillations of hot, young neutron stars: Gravitational wave frequencies and damping times
Oscillations of hot young neutron stars
2011/7/21
We study how the frequencies and damping times of oscillations of a newly born, hot proto-neutron star depend on the physical quantities which characterize the star quasi-stationary evolution which fo...