Hi,
We are considering purchasing the Plaxis Dynamic module but would like to check whether the software is suitable for modelling our client problem.
A turbine will be buried and a safety zone needs to be determined where if the turbine were to malfunction and "explode" the safety zone needs to be sufficient that if a person was standing next the safety zone, they won't be affected.
Is the Dynamic module suitable to model the blast from the buried turbine and be able to provide outputs of the resulting ground waves and displacements?
What would be the key inputs/parameters, other than material parameters, that would be necessary.
Thanks
Dear PLAXIS USER
Great you are interested. With PLAXIS we can model the dynamic impact that a load or pressure has on soil or (buried) structures. This implies you will need to have a good idea on the pressure on the buried structure/container that the exploding turbine generate. Once you have this, you can apply a dynamic load:
Then of course for the waves travelling through the system, the shear wave velocity is important, so that would be the minimum requirements. If the distance is not very small, damping will also be important, see e.g. this paper on damping.
Once that is taken into account, the PLAXIS Finite Element calculation will calculate the pressure- and shear waves that will result in both deformations and info on accelerations/velocities. Here are two simple examples showing the information you can retrieve using a dynamics analysis:
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