First of all, a big thank you to everyone who submitted entries in our Image & Animation contest last month. We had so many outstanding submissions that it was difficult to pick our winners.
If you recall from the contest blog, we asked you to submit exciting, interesting and dynamic images or animations for the chance to win an iPad. We have two categories and two winners – one from academia and one from the commercial sector.
This submission from commercial customers Rüdiger Gaag and Jakob Jung shows the impact of an 10 meter-high wave front with a speed of 30 m/s on a building with a surface area of 18 x 18 meters. Here, an Eularian domain with the size of 140 x 100 x 40 meters (length x breadth x height) has been examined.
Rüdiger went on to say "The idea behind the project was to test the capabilities of the CEL function. We tried to put all functionalities possible into the model which means transient simulation, plasticity, element deletion and fluid simulation."
The winner in the academic category is Marco Parente. Marco used Abaqus during his PhD to simulate a vaginal delivery, in order to study the effects of the passage of the fetus on the pelvic floor muscles. This first movie shows a vaginal delivery with the fetus on a non-optimal position. The fetus is in a occipital-posterior position, which will cause more damage to the pelvic floor muscles.
The second movie shows a vaginal delivery with the fetus in the optimal position. The fetus is in a occipital-anterior position.
Marco says "The model for the fetus has a high stiffness, since I was only interested on the deformations of the pelvic muscles. The fetus is controlled with 4 groups of rigid elements inside of it.
The movements of the fetus were obtained by trying to offer to the birth canal, the smallest possible diameter of the fetus head, mimicking what nature does.
The pelvic floor muscles were modeled using an hyperelastic constitutive model, with an active capacity of contraction. This model was implemented on a UMAT. This versatility is very important since it allows the utilization of complex constitutive models."
