CEL Analysis in Abaqus

CEL in Abaqus

Using a Lagrangian-Eulerian contact, Eulerian materials can come into contact with Lagrangian elements. Simulations performed in this way are called CEL  in Abaqus. The most important feature of this simulation method is its easy use of General Contact explicit in Abaqus. Because this method allows us to simulate completely physically or the interaction between a liquid and a structure. It should be mentioned, other methods like SPH are also used to simulate liquid and a structure. “SPH in Abaqus: the package is available in this link.

Introduction to CEL in Abaqus:

In Lagrangian analysis, the nodes are fixed on the material and the elements are deformed by deforming the whole material, but in the Eulerian method, the nodes are fixed in space and do not deform with the deformation of our material elements, so the boundary of the elements is on the boundary of Eulerian material, In general, it does not match. For more information, you can use this link.

Workshop 1 for Can drop:

In this workshop, we analyze the falling of a soda can on the ground in a Lagrangian-Eulerian space. Complete how to create an Eulerian-Lagrangian space, how to define the volume fraction for an Eulerian material, how to define the initial velocity for a soda can, use a dynamic explicit solver, and finally view the results of stresses, velocities, and other outputs you can learn in this workshop.

Workshop 2 for Water Sloashing :

In this workshop, we analyzed the movement of water inside the flash tank. In this analysis and simulation, we use Eulerian-Lagrangian elements. You should know, these types of elements are not necessarily filled with matter and may only belong to a part of the space. In this exercise, we also discuss how to define the volume fraction for an Eulerian part, use the dynamic explicit solver, and finally analyze the results.