Crash

Crash Simulation

One speaks of a crash when highly dynamic, short-term stressing of components is involved. These are solved by over-special procedures (explicit calculations).

The term crash simulation originally comes from the automotive sector and aims to reduce the crash behavior of expensive prototypes in tests using virtual crash models, while at the same time taking into account the ever-increasing demands on vehicle safety.

Merkle & Partner Crashsimulation

The crash behavior of new vehicle models is examined and optimized in the computer at an early stage.

Optimal crash behaviour and weight reduction are often opposite goals. Crash simulations can be used here to find compromises between the lightest possible construction and a safe passenger cell. The number of costly crash tests is reduced, which also shortens development times.

In our crash simulations, we give special attention to the connection technology of the individual components, as well as the creation of the necessary material cards, also for exotic materials such as foams, fibre composites, wood, plastics.

Crash simulations on automobiles are now more of a standard investigation and no longer count as “Rocket Science”.

In addition to vehicle components or complete vehicles, we also investigate the crash behaviour of motorhomes with interiors as well as the behaviour of aircraft seats in the VIP area during hard landings. 

We are increasingly focusing on marginal areas, e.g.

etc. that can be mapped with the same calculation methods, but require specific know-how.

For this purpose, we require in particular strain rate-dependent material parameters in unusual strain rate ranges, which we can determine together with partners even for very high strain rates.

Together with our partner Digimat we can also describe complex materials and composites by calculation.

We are currently working on the interaction of real human models from computer scans against external influences.

Further keywords in connection with crash or explicit simulations are:

The main focus of such investigations is safety. Are your safety precautions suitable to protect people from flying parts (containment) or to prevent people from being injured in case of an impact (vehicle crash, safety cell)? In second place is the resulting damage, which should be minimized (packaging, transport).

Contact our engineering office:

Stefan Merkle

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