1. Reference problem#

1.1. Geometry#

_images/1000089E000028D3000013F241F6B0C315906E55.svg

Row of cylinders with circular cross section connected by springs to a fixed mass:

length:

\(L={l}_{x}=2.0m\)

width

\(l={l}_{y}=1.0m\)

cylinder radius:

\(R=0.25m\)

distance between tube centers:

\(d=1.0m\)

Point coordinates (in \(m\) ) :

1.2. Material properties#

Fluid: Water

\({\rho }_{0}=1000.0{\mathrm{Kg.m}}^{-3}\)

Solid: Steel

\({\rho }_{S}=7800.0{\mathrm{Kg.m}}^{-3}\) \(E=2.E11\mathrm{Pa}\) \(\nu =0.3\)

Springs connecting the cylinder (meshed substructure No. 1) to the massif:

Discrete element of type K_T_D_L:

\({K}_{1}=(1.E71.1.E7)N/m\)

\({K}_{2}=(1.1.E81.E8)N/m\)

1.3. Boundary conditions and loading#

Not applicable for the calculation of added mass.

1.4. Initial conditions#

Not applicable for the calculation of added mass.