19. Q modeling#

It’s the same modeling as C, but with FORMULATION =”U_P”.

19.1. Characteristics of modeling#

Elements MEAXQU4, MEAXFLQ4, MEAXFSS2

_images/100017F80000263E000011ACFB2932AB9A465335.svg

Boundary conditions:

In all the knots on the face \(M\)

In all the nodes of the piston

Point \(\mathrm{M1}:\mathrm{N019}\), \(\mathrm{M2}:\mathrm{N020}\), \(\mathrm{M3}:\mathrm{N021}\), \(A:\mathrm{N01}\)

19.2. Characteristics of the mesh#

Number of knots:

21

Number of meshes and types:

12 QUAD4, 4 SEG2

19.3. Tested values#

Frequency

Reference

Error (%)

13.8285

< 0.01