All the examples below can be play using Microsoft's standard windows media player. However, you will need to install the Xvid codec which can be downloaded from http://www.xvid.org or by clicking here.

Also please note that we have had to drastically reduce the quality of these files in order to make them small enough for those without broadband to download. Newton however is capable of making detailed high resolution animations.

These three examples show the the modeling of various material cohesive effects. A cylinder is installed filled with material. The cylinder is lifted and the material is allowed to freely flow. This simple test can easily be preformed in a controlled laboratory environment.

Many competitor DEM software programs fail this simple test as they can only model simple spherical particles (whereas Newton can model any cluster construction) and most software either ignores, or incorrectly models cohesive effects.

Silo Flow Examples
(9 Meg)

Mass flow vs. funnel flow can easily be simulated using DEM. Silo "quaking" can also be investigated, as can the effects of various geometric inserts (cones, wedges, multiple discharge points, etc).

These two simple animations show material free flowing from a 4m circular silo. Dry material exhibits classic mass flow properties, where as wet material behaves in a funnel flow fashion.

Dry vs. Wet Material Flow

Transfer Chute and Linear Wear
(8 Meg)

The incoming and existing belts in this animations are offset by 33 degrees. The material is assumed to be very free flowing with no moisture content.

The transfer consists of an upper rockbox which stops the forward material velocity and rotates the flow stream. The lower curved chute then redirect the material onto the belt providing minimum belt abrasion and wear.

The Newton software also calculates areas of high impact and abrasive wear. Both linear wear and belt life can now be estimated. Additionally, this information allows the designer to be able to qualitatively compare two similar designs. Chute optimization is now possible at the design stage.

Linear Wear

This examples show flow of coal though a transfer chute. The coal enters the chute from a vibrating screen at the top. Due to the wide range of moisture contents the material was modeled using the driest material properties, as well as the highest moisture content (wet sticky material).

Newton's "Key frame" animator makes creating high resolution playback files, and smooth rotations a snap. These animations were created using just a few key points, with Newton doing all the hard work for you!

Being able to easily visualize DEM results, and demonstrate them to your client (or boss) is an essential part of the Newton Software.

This animations shows sticky iron ore material being transferred though a right angled transfer. Material builds up in the rockbox, sticking to itself and then breaking off in "clumps". Some small particles even stick to the head pulley and chute walls.

Right Angle Cohesive Material (13 Meg)

This animation shows Newton's ability to not only give surfaces linear velocities, but to move (or rotate) them relative to one another.

This is a very powerful feature as it allows the designer to look at several geometrical configurations, all within a single simulation.

It is also an excellent way to convey a working concept to a client.

In this example a inline curved chute is used to transfer hard rock above the design tonnage. The Newton software clearly demonstrates its ability to model irregular shaped clusters. These irregular slabs are often the cause for chute pluggage, and material spillage. It is therefore essential that they be properly modeled and accounted for in and DEM software program.

Curves Chute with Irregular Particles (12 Meg)

For this project various cohesive materials were simulated though a discharge hopper under a primary crusher. The first animation shows the flow using a wet cohesive material. The animation switches between a full 3d view, to a cut place down the center of the belt, and finally to a double cut plane about the belt's center line. The second set of animations show how large steel rods and plates pass though the system with two different design geometries.

Crusher Cohesive Material
(15 Meg)