Search
Search Results
-
Modeling of Unsteady Flows in Gas Astrophysical Objects on Supercomputers
The chapter describes a numerical technique for modeling the spatial unsteady motion of matter in gas astrophysical objects. Convective processes...
-
What Flows When “Time Flows”, and Where Does It Flow to?
First, we look at what different physicists think about time: Is it an illusion? Does the timelessness of the quanta mean that there is no time at...
-
Updated Lagrangian particle hydrodynamics (ULPH) modeling for free-surface fluid flows
In this work, we develop an accurate and stable Updated Lagrangian particle hydrodynamics (ULPH) modeling to simulate complicated free-surface fluid...
-
Simulating Free Surface Flows Using a New Incompressible SPH Model Improved by MPS Method
Performance of a new incompressible smoothed particle hydrodynamics (I-SPH) model for simulating free surface flows using Lagrangian description of...
-
An Eulerian SPH method with WENO reconstruction for compressible and incompressible flows
While Eulerian smoothed particle hydrodynamics (SPH) method has received increasing attention in scientific and industrial communities owing to its...
-
Eulerian consistent smoothed particle hydrodynamics (SPH) method for weakly compressible viscous flows applied to lid-driven cavity
In this study, nonlocal gradient and divergence operators are introduced to eliminate the dependence on the derivation of the kernel function in...
-
Smoothed particle hydrodynamics modelling of multiphase flows: an overview
Smoothed particle hydrodynamics (SPH) is a meshless, particle-based approach that has been increasingly applied for modelling of various fluid-flow...
-
Review of Smooth Particle Hydrodynamics and its Applications for Environmental Flows
With the advancement of the computing facilities, meshless techniques have become a new arena of research for the computational scientists. Smooth...
-
Laminar Shear Layer Growth in Supersonic Underexpanded Flows
This paper offers an insight on the growth of laminar shear layer in supersonic jets and the extent of the compressible flow region (also known as...
-
Accuracy analysis of improved SPH methods for solution of quadratic PDEs representing potential flows and elasticity problems
This paper compares the accuracy of four different higher-order smoothed particles hydrodynamics (SPH) models with the standard SPH model for the...
-
DNS of Resolved Scale Interfacial and Free Surface Flows with Fictitious Domains
The numerical simulation of multi-phase flows with resolved scale interfaces could be investigated following two different numerical strategies:...
-
A corrected WCSPH scheme with improved interface treatments for the viscous/viscoelastic two-phase flows
In this work, a robust corrected weakly compressible smoothed particle hydrodynamics scheme combined with several improved interface treatments...
-
Study of the Kinetic Anomalous Transport Effects in Nonequilibrium Flows
The second law of thermodynamics is one of the basic physical principals. The expression of the law in the macroscopic thermodynamics is the...
-
Pattern Formation in Miscible Rotating Hele-Shaw Flows Induced by a Neutralization Reaction
We study the centrifugal buoyancy-driven chemoconvection in a Hele-Shaw cell that uniformly rotates around e perpendicular axis. The slot is...
-
Study on the Destruction Process of Piers by Debris Flow Impact Using SPH-FEM Adaptive Coupling Method
Debris flows represent a prevalent natural disaster in mountainous regions, frequently devastating roads, bridges, and other vital transportation...
-
Study of the dynamics of water-enriched debris flow and its impact on slit-type barriers by a modified SPH–DEM coupling approach
Slit-type barriers serve as active countermeasures against debris flow. However, the dynamic interaction between debris flows and slit-type barriers...
-
Review of the High-Order TENO Schemes for Compressible Gas Dynamics and Turbulence
For compressible flow simulations involving both turbulence and shockwaves, the competing requirements render it challenging to develop high-order...
-
Topologies of Shear and Strain Promote Chaotic Mixing in Helical Flow
Physics aids explainable artificial intelligence. The inherent topology of a chaotic system is often a boon to learning algorithms. Helical or screw...
-
Influence of Reynolds number and rotational number on the features of a transitional flow in short Taylor-Couette cavity
The paper reports on the DNS results of the flow in co- and counter-rotating coaxial cylinders of aspect ratios Γ = H/(R 2 − R 1 ) between 3.8 and 4.05,...
-
Modeling of Some Astrophysical Problems on Supercomputers Using Gas-Dynamic Model
In the current study, the vortex structures that occur in accretion disks are investigated using mathematical modeling methods. The simulation of the...