Use cases

Use Cases – Machinery

Excavation

Aspherix® can determine power draw on static and moving parts! Optimize the actuation, operating conditions and geometry of your equipment.

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Mower Deck Optimization

Goal of this case study with Aspherix® and CFDEM®coupling was the optimization of a mower deck with respect to ths cut quality. Since the design contains blades with intersection trajectories it was not possible to use sliding meshes. An immersed boundary approach, especially designed for mower deck applications was used. The simulation results matched experimental data and it was possible to compare different geometry setups and boundary conditions and optimize them.

mower 2
mower 3
mower 1
mower 4

6-DOF Geometry Motion

The geometry of the rigid body is imported as a surface mesh from an STL file. Mass, center of mass and moments of inertia are specified in the according mesh module. External forces,including particle-wall forces determine the geometry motion.

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6-DOF plate motion
This video shows the motion of a plate around a central hinge. The body rotation is determined by the particle-wall forces and by an external torque that acts in opposition to the rotation around the hinge.

Wheel on Grass

In Aspherix, fibers are modelled as multi-spheres bodies with elasto-damping interparticle forces (normal and tangential).

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Rolling wheel on grass

In this video, the grass leaves, modelled as fibers, are bended by a rotating wheel. After being bent, the fibers tend to move to their original configuration due to the interparticle forces. 

Soil Tillage

Simulation of the interaction between a paraplow and soil with the evaluation of the force on the flow.

Soil with low cohesion:

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Soil with high cohesion:

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Full simulation of the whole domain considering only the soil selection which is currently important for the process:

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Chute Wear

Investigating the impact of particles on a structure by studying the wear.

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Dust Propogation from a Transfer Chute

This video shows particles and gas flowing out from a transfer chute and dust propagating (grey iso-surface). This chute geometry is responsible for releasing a lot of dust into the environment.

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Excavation

Aspherix® can determine power draw on static and moving parts! Optimize the actuation, operating conditions and geometry of your equipment.

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Cutting Fibers in rotating geometry

Description
Real convex shapes without inward facing components can be imported easily from 3D CAD files.

CATEGORY
Complex shapes
COMBINED WITH
SPH, FEA, MBD, Wear
C++ API
Yes

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