This models a bar impacting a water surface. File quadrature_B.k is Eulerian with 1st order advection and a single material for the water. *INITIAL_VOID_PART command is used to model the space above the water surface. One quadrature point is used for the coupling.
*KEYWORD
*TITLE
FSI quadrature
*CONSTRAINED_LAGRANGE_IN_SOLID
3,1,1,0, 1,4,2,1
*CONTROL_ALE
0,1,1,-1.0
*INITIAL_VOID_PART
1
*CONTROL_TERMINATION
0.07
*CONTROL_TIMESTEP
0.0,0.7
*DATABASE_BINARY_D3PLOT
0.002
*MAT_NULL
1,1000.,-1.0+11,0.0
*EOS_GRUNEISEN
1,100.
*MAT_RIGID
2,30000.,2.0+11,0.0
*SECTION_SOLID
1,12
*SECTION_SOLID
2,0
*PART
1,1,1,1
*PART
2,1,1,1
*PART
3,2,2
*INITIAL_VELOCITY_GENERATION
3,2,0.,0.,-5.,0.
*SET_PART_LIST
1
1,2
*NODE
$
*ELEMENT_SOLID
$
*END