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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Dynamics near a shear flow with Coriolis force
科里奥利力 剪切流 动力学
2023/5/16
In this talk, I will discuss the dynamics near a shear flow when the Coriolis force is involved. Compared with the non-Coriolis case, the spectral properties of the linearized Euler operator change fu...
DEM simulation of impact force exerted by granular flow on rigid structures
Avalanche DEM Granular flow Impact force
2015/7/1
The paper presents a DEM model for simulating dry granular avalanche down an incline. Flow pattern and impact forces on rigid obstacles are considered. Results of the simulations are compared with exp...
Estimating the impact force generated by granular flow on a rigid obstruction
Debris flow Fluid dynamics Granular flow Impact force Slope failure
2015/7/1
Flowing sediments such as debris and liquefied soils could exert a tremendous amount of force as they impact objects along their paths. The total impact force generally varies with slope angle, veloci...
Drag force on a sphere moving towards an anisotropic super-hydrophobic plane
Drag force sphere super-hydrophobic
2011/8/26
We analyze theoretically a high-speed drainage of liquid films squeezed between a hydrophilic sphere and a textured super-hydrophobic plane, that contains trapped gas bubbles. A superhydrophobic wall ...
The influences of wall Lorentz force and field Lorentz force on the cylinder drag reduction
Cylinder wake Flow control Lorentz force Electromagnetic control
2012/2/29
In this paper, the effects of Lorentz force on drag reduction for a circular cylinder have been studied experimentally and numerically. Based on its effects on drag reduction, the Lorentz force is fou...
Force–displacement characteristics of simply supported beam laminated with shape memory alloys
Shape memory alloy Laminated beam Bilinear hysteretic model Force–displacement characteristics Energy dissipation
2012/2/28
As a preliminary step in the nonlinear design of shape memory alloy (SMA) composite structures, the force-displacement characteristics of the SMA layer are studied. The bilinear hysteretic model is ad...