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Fluid analysis program SPHinx-FLOW-SPHinx-FLOW
Fluid analysis program SPHinx-FLOW-SPH Institute Co., Ltd.

Fluid analysis program SPHinx-FLOW
SPH Institute Co., Ltd.


About This Product

■Fluid analysis program using SPH particle method

This analysis program can handle compressible and incompressible viscous fluids. Taking advantage of the fact that it is a physical simulation that can handle material movement and material change, incompressible fluid analysis can be used to analyze complex three-dimensional fluid behavior (tsunamis, rivers), multiphase flow, or stirring analysis (fluid-fluid, It is beginning to address problems that could not be expressed using conventional mesh-dependent methods, such as fluid-solid). In addition, analysis to more accurately express the fluid behavior of complex processes such as casting analysis where fluid flows into a mold is also being conducted. Compressible fluid analysis can be used to analyze the expansion behavior of car airbags and explosions due to gunpowder, fluid-structure interaction can be used to analyze ship hull shaking due to wave motion, oil tank sloshing analysis, or hole drilling analysis of solids due to water hammer force (water jet). We can accommodate you.

■Basic concept of SPH particle method

The SPH particle method is a mesh-free analysis method that does not require elements in FEM or grids in FDM. The original continuum is discretized and regarded as particles, that is, collections of microscopic material elements with mass and dimensions, and the forces and thermal changes applied to the original continuum are calculated by the interaction of forces acting between particles. or heat conduction. The behavior of the particle of interest (evaluation point) is subjected to a mathematical operation (Kernel integration*) of surface interpolation/spherical interpolation using the physical quantities of other particles within the radius of influence, and finally it is made continuous again. By using field approximation (Smoothing), we can simulate (analyze) the deformation, stress distribution, heat conduction, etc. of a continuum. Interpolation of physical quantities using a kernel function (weighting function) The Eulerian method, which fixes a grid in space and is used in FEM and FDM, is suitable for analyzes that handle motion over a wide range such as fluid analysis, but it There are problems in that it is not possible to trace the history of each part, and it is difficult to ensure the accuracy of the advection term. The SPH particle method is an excellent analysis technique that can compensate for the problems mentioned above by describing the various motions of a continuum using a Lagrangian method that tracks each part of the continuum over time.

■Features

・3D fluid behavior, stirring analysis (fluid-fluid, fluid-solid) ・Supports problems that are difficult with mesh-dependent types ・Accurately represent and analyze complex fluid behavior flowing into the mold ・High-speed analysis of large-scale problems using GPGPU parallel calculation

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    Fluid analysis program SPHinx-FLOW

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1 Models of Fluid analysis program SPHinx-FLOW

Image Part Number Price (excluding tax) Analysis function Usage environment
Fluid analysis program SPHinx-FLOW-Part Number-SPHinx-FLOW

SPHinx-FLOW

Available upon quote

Incompressible fluid analysis Complex three-dimensional fluid, multiphase flow, compressible fluid analysis Expansion behavior, explosion analysis, fluid stirring, general fluid analysis

Windows XP or later, Red Hat Linux, GPU (GeForce, Tesla series)

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