Applications

Here are some examples of high level simulations taken from different fields of mechanical engineering.

Formula 1 Wheel and Tire

Tires are the force introducers into the vehicle. Therefore, if a detailed analysis has to be done on the rims, to have the actual load path the tire need to be somehow considered into the model (Non Linear Static Solution).

Bonding Behaviour

Simulating bonded joints is a must to avoid the expensive and time consuming trial&error process (Non Linear Static Solution).

Bird Strike & Impact analysis

Bird Strike simulation is a must in the aeronautic industry to predict the entity of the damage caused by such an event. Represented here is the impact of a “bird like” object on aluminium plates with different thickness and on the carbon fibre rear wing of a race car running at 300 kph (Dynamic Explicit Solution with the SPH approach).

Tensile Test Simulation

We’re working on it!
This section is currently under development and will be available soon.

Lug Failure

Lug connections are widely used in Aerospace, but not only there. Semiempirical formulas and graphs do exist to assess lugs, but a proper Finite Element Model could better represent what happens in reality, up to the point that, by knowing more material properties that just yield and ultimate strength, it is also possible to simulate their failure. Here represented are two failure modes, namely Tear Shear Out and Net Tension (Non Linear Static Solution).

Charpy Test

As for lug failure, knowing some additional parameters for the material behaviour, it is possible to simulate the Charpy test (Dynamic Explicit Solution).

We’re working on it!

3D Thread

In general in a Finite Element Model it is not necessary to detail a bolted joint up to the level here represented. Indeed in most of the cases connector or beam elements are used to extract the forces used to asses fasteners in general, by using well established formulas or special design criteria. Nevertheless in some special circumstances a deeper investigation is required: the model here was used to check the relation between the tightening torque and the generated preload as a function of different friction coefficients (Non Linear Static Solution).

Sloshing

Sloshing belongs more to fluid dynamics rather than structures; however there are cases where simulating the movement of a fluid inside a container is helpful: that’s the case of fuel tanks in racing cars, where longitudinal and lateral accelerations are so big that they require an accurate study to be sure, as an example, that the fuel can always reach the engine. Moreover it is possible to find the best positions of internal baffles to reduce as much as possible the fluid mass transfer (Dynamic Explicit Solution, with the SPH approach).

Gyroscope

Simulation can also be fun! Raise your hand if you have never played with a gyroscope. Represented her is what happens when the gyroscope is not rotating (first vide) while the gravity acceleration is acting, and when it is actually rotating (second and third video): Axial Parallelism and Axial Precession are well know phenomena that can be analytically described. But also simulated (Dynamic Implicit Solution).

Newton Cradle

Another nice physics game! Despite the apparent simplicity, this simulation is not trivial at all (Dynamic Explicit Solution).
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