v2.04.111 SDLV111 - Homogenization of a network of beams in an incompressible fluid

Summary:

Modal analysis test, used to validate the elements of 3D modeling_ FAISCEAU: hexahedron with 8 knots or hexahedron with 20 knots. These elements represent the homogenized medium of a network of beams immersed in an incompressible fluid, initially at rest.

The natural frequencies of the beams of the homogenized medium without or with fluid are tested.

We calculate the mass, the position of the center of gravity as well as the inertias at this point for cases with or without fluid.

• 1. Reference problem
  • 1.1. Geometry
  • 1.2. Material properties
  • 1.3. Corrective terms
  • 1.4. Boundary conditions and loads
• 2. Benchmark solution
  • 2.1. Calculation method used for the reference solution
  • 2.2. Benchmark results
  • 2.3. Bibliographical references
• 3. Modeling A
  • 3.1. Characteristics of modeling
  • 3.2. Characteristics of the mesh
  • 3.3. Tested values
• 4. B modeling
  • 4.1. Characteristics of modeling
  • 4.2. Characteristics of the mesh
  • 4.3. Tested values
• 5. Summary of results