Observation of the solid and liquid separation after the shock propagation in a two-dimensional Yukawa solid

2021 ◽  
Vol 28 (11) ◽  
pp. 113702
Author(s):  
Pengwei Qiu ◽  
Tianyue Sun ◽  
Yan Feng
Keyword(s):  
Shock Propagation ◽  
Two Dimensional ◽  
Liquid Separation

A numerical scheme for shock propagation in three dimensions

1988 ◽  
Vol 416 (1850) ◽  
pp. 179-198 ◽  
Keyword(s):  
Numerical Scheme ◽  
Three Dimensional ◽  
Experimental Results ◽  
Three Dimensions ◽  
Shock Propagation ◽  
Two Dimensional ◽  
Shock Surface ◽  
Shock Dynamics ◽  
Geometrical Shock Dynamics ◽  
Three Space

A numerical scheme for shock propagation in three space dimensions is presented. The motion of the leading shock surface is calculated by using Whitham’s theory of geometrical shock dynamics. The numerical scheme is used to examine the focusing of initially curved shock surfaces and the diffraction of shocks in a pipe with a 90° bend. Numerical and experimental results for the corresponding two-dimensional or axi-symmetrical cases are used to compare with the new and more complicated three-dimensional results.

scholarly journals Proteomic profiling of amniotic fluid in preterm labor using two-dimensional liquid separation and mass spectrometry

2008 ◽  
Vol 21 (10) ◽  
pp. 697-713 ◽  
Author(s):  
Emmanuel Bujold ◽  
Roberto Romero ◽  
Juan Pedro Kusanovic ◽  
Offer Erez ◽  
Francesca Gotsch ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Amniotic Fluid ◽  
Preterm Labor ◽  
Two Dimensional ◽  
Proteomic Profiling ◽  
Liquid Separation

Geometrical shock dynamics applied to condensed phase materials

2017 ◽  
Vol 828 ◽  
pp. 104-134 ◽  
Author(s):  
Brandon Lieberthal ◽  
D. Scott Stewart ◽  
Alberto Hernández
Keyword(s):  
Shock Front ◽  
Blast Wave ◽  
High Explosive ◽  
Spherical Particles ◽  
Shock Propagation ◽  
Inert Material ◽  
Two Dimensional ◽  
Shock Dynamics ◽  
Geometrical Shock Dynamics ◽  
Detonation Shock

Taylor blast wave (TBW) theory and geometrical shock dynamics (GSD) theory describe a radially expanding shock wave front through an inert material, typically an ideal gas, in the strong blast wave limit and weak acoustic limit respectively. We simulate a radially expanding blast shock in air using a hydrodynamic simulation code and numerically describe the intermediate region between these two limits. We test our description of the intermediate shock phase through a two-dimensional simulation of the Bryson and Gross experiment. We then apply the principles of GSD to materials that follow the Mie–Gruneisen equation of state, such as plastics and metals, and derive an equation that accurately relates the acceleration, velocity and curvature of the shock through these materials. Along with detonation shock dynamics (DSD), which describes detonation shock propagation through high explosive fluids, we develop a hybrid DSD/GSD model for the simulation of heterogeneous explosives. This model enables computationally efficient simulation of the shock front in high explosive/inert mixtures consisting of simple or complex geometric configurations. We simulate an infinite two-dimensional slab consisting of one half explosive, PBXN-9, and one half aluminium and model the boundary angle conditions using shock polar analysis. We also simulate a series of high explosive unit cells embedded with aluminium spherical particles, and we compare the propagation of the detonation shock front with a direct numerical simulation performed with the ALE3D code.

scholarly journals On the importance of the equation of state for the neutrino-driven supernova explosion mechanism

2011 ◽  
Vol 7 (S279) ◽  
pp. 397-398 ◽  
Author(s):  
Yudai Suwa
Keyword(s):  
Equation Of State ◽  
Supernova Explosion ◽  
Shock Propagation ◽  
Core Collapse ◽  
Two Dimensional ◽  
Core Collapse Supernova ◽  
The Core ◽  
Dense Nuclear Matter ◽  
Explosion Mechanism ◽  
The Difference

AbstractWe present two-dimensional numerical simulations of core-collapse supernova including multi-energy neutrino radiative transfer. We aim to examine the influence of the equation of state (EOS) for the dense nuclear matter. We employ four sets of EOSs, namely, those by Lattimer and Swesty (LS) and Shen et al., which became standard EOSs in the core-collapse supernova community. We reconfirm that not every EOS produces an explosion in spherical symmetry, which is consistent with previous works. In two-dimensional simulations, we find that the structure of the accretion flow is significantly different between LS EOS and Shen EOS, inducing an even qualitatively different evolution of the shock wave, namely, the LS EOS leads to shock propagation beyond 2000 km from the center, while the Shen EOS shows only oscillations within 500 km. The possible origins of the difference are discussed.

Two–dimensional Nanosheet Membranes for Liquid Separation

MEMBRANE ◽  
2019 ◽  
Vol 44 (3) ◽  
pp. 115-120
Author(s):  
Keizo Nakagawa
Keyword(s):  
Two Dimensional ◽  
Liquid Separation
Sign in / Sign up

Export Citation Format

Share Document