3. Modeling A#

3.1. Characteristics of modeling#

For the 3D system on which the added coefficients are calculated:

For the fluid:	480 meshes QUAD4 shell elements MEDKQU4

For the solid:	480 meshes QUAD4
	thermal elements THER_FACE4
	on cylindrical surfaces

	360 meshes QUAD4
	thermal elements THER_FACE4
	on the inlet and outlet faces of the fluid volume

	720 stitches HEXA8
	thermal elements THER_HEXA8
	in the fluid annular volume

Identification	Reference
Fashion No. 1
to frequency reduced damping	12.5 Hz 1.1 10—4






Fashion No. 1
to frequency reduced damping	12.5 Hz 1.380 10—5






Fashion No. 1
to frequency reduced damping	12.5 Hz —6.60 10—4