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Simulating large deformations of a bending beam in a fluid
Posted 03.03.2020, 08:38 GMT-5 Structural & Acoustics, Fluid & Heat, Mesh Version 5.4 0 Replies
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Hello, I want to simulate large deformations of a bending beam in a fluid. I use Solid Mechanics, Creeping Flow and Moving Mesh (ALE) but I get mesh related errors due to distortion of mesh. I’ve tested several alternatives but none works:
Automatic remeshing: Condition for remeshing fulfilled after remeshing or maximum number of iterations reached.
Remeshing a deformed configuration: Inverted elements error in some time steps or too many degrees of freedom error.
Automatic refinement: Convergence problem.
*I turn Consistent initialization on.
I’ve tested different meshes: triangular, quad, mapped mesh with different sizes, corner refinement and boundary layers. I followed steps explained in “Model Translational Motion with the Deformed Mesh Interfaces” and other COMSOL users forum posts with similar problem. How could I fix these issues? Is there any example for large deformation and its optimal configuration?
Hello Andres SB
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