Altair nanoFluidX is a specialized solver designed to simulate the lubrication of transmission mechanisms and mobile mechanisms.

The features of this software are that, firstly, the solution is based on the smoothed particle hydrodynamics (SPH) method, which allows us to take into account the influence of the movement of all parts of mechanisms on the behavior of multiphase flows. Secondly, the possibility of parallelizing the solution in nanoFluidX on a graphics accelerator (GPU), which is quite rare for nonlinear solvers based on an explicit integration method.
Reducing the time to prepare the calculation model
The calculation grid in its classical sense is not required. It is enough to simply import a geometric CAD model, select an element and create particles. Save time that was previously spent on preparing for work and generating a grid of the desired quality.

Currents with a free surface
Modeling of engine oil fluctuations in the power unit (sloshing), the flow of liquids in an open environment, in open or closed tanks at high acceleration values and other similar phenomena.

Multiphase flows of media with a high difference in density
The smoothed particle hydrodynamics method used in nanoFluidX makes it possible to calculate the motion of multiphase flows (including gas-liquid flows) with a large difference in phase density with ease and without additional computational costs. The smoothed particle method assumes automatic calculation of the phase interface surfaces, therefore it is not required to model them manually, which significantly saves time.
Fuel fluctuations in the tank
Measurement of forces arising in a tank or vehicle under the influence of acceleration, for example, during braking or a sudden lane change.

Rotary gear drives, crankshafts and connecting rods
nanoFluidX implements options for describing different types of motion, which makes it easy to take into account gear gears, crankshafts and connecting rods in the calculation. The program makes it possible to calculate the forces and torques that act on solid-state elements when interacting with the surrounding fluid.

Movement of the body as a rigid whole
In addition to rotational motion, nanoFluidX also allows you to calculate the trajectories of the elements specified in the input data file. In this way, it is possible to study the behavior of an arbitrary solid moving translationally in the fluid surrounding it.

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