Aspherix®

ASPHERIX®

Built-In Multiphysics

Many processes require more than the representation of bulk materials – they can involve liquids or gases, magnetism, electricity of the interaction with solids. Aspherix® provides numerous functionalities to equip the models with the required physics!

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Electrical Conductivity

Calculation of electric conductivity also available in Aspherix®. Potential & electric heating can be calculated for the particles. Conductance and current can be calculated for all particle-particle and particle-wall contacts.

Tutorial case for electric conductivity available!

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Electrical Conductivity

Calculation of electric conductivity also available in Aspherix®. Potential & electric heating can be calculated for the particles. Conductance and current can be calculated for all particle-particle and particle-wall contacts.

Tutorial case for electric conductivity available!

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Magnetic Particles

Application case – magnetic separation of particles. The conveyor belt transports particles into magnetic region – particles with strong dipole are separated (depending on their position within the particle bed).

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Particle Drying

Moist particles are heated up by warm flow. This leads to a drying of the particles.

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Spray Modelling

Using Lagrangian particles for spray coating of a moving meshed object.

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Laser Modelling

Heating of a parabolic mirror due to laser reflection. The laser beam is modelled by distinct photons.

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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.

One-Way CFD Coupling (Transient)

Using 1-way coupled Aspherix®-DEM and CFDEM®coupling simulation with a transient fluid velocity field, we are able to model motion of the chaffer inside a combine harvester. Straw and wheat is inserted as a stream from the top and due to segregation and sieving these are separated. The shape and orientation of the particles determines their drag force.

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One-Way CFD-DEM with Moving Reference Frame (MRF)

Animation of simulation with one-way CFD-DEM with MRF

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One-way CFD with Heat Transfer

Cooling of particles in a rotating drum with counter-current gas flow. The material consists of facetted nonspherical particles and the gas flow is modelled by importing a flow field into Aspherix®.

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FE Coupling

Interaction between granular material and a deformable chute.

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