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Inpartik - the art of simulating matters
Sprachenauswahl de/en  DE _ EN  
Inpartik - the art of simulating matters
Sprachenauswahl de/en  DE _ EN  
Inpartik - the art of simulating matters
Sprachenauswahl de/en  DE _ EN  
Inpartik - the art of simulating matters
Sprachenauswahl de/en  DE _ EN  
  

SMOOTHED PARTICLE HYDRODYNAMICS (SPH)

 

SPH method is a modern approach to simulating fluid or gas dynamics, but also deformations of solid bodies. Thus it also makes it possible to virtually analyze complex deformation or separation processes, like the ones occurring when metal components are machined. In such machining processes compact components are separated into several or also very many parts (shavings) – a process almost impossible to handle with classic simulation methods like the Finite Element Method (FEM).


In the area of simulating fluid dynamics, in contrast to classic CFD methods, SPH can be used to also simulate highly dynamic fluid movements with free surfaces and multiple phases. This method is especially suited to processes dominated by sloshing, splashing and the interaction between fluids and moving components. Such highly dynamic flow processes occur often in applications. Conventional simulation procedures of the CFD type quickly reach their limits with this. SPH offers an attractive alternative.


Compared to other methods of continuum simulation the SPH method has a distinct advantage: It offers the possibility of reproducing elastic solid bodies and fluids together in one simulation, because SPH makes it possible to use the same simulation approach for both media. A so monolithic approach is significantly more stable numerically than a heterogeneous fluid-structure coupling of FEM and conventional CFD methods. As a result of the problematic requirement of combining separate programs with different approaches for solid bodies and for fluids, numeric instabilities occur which are difficult to handle.

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