2. Benchmark solution

2.1. Calculation method

It involves calculating the response of a plate subjected to harmonic pressure on one side of the plate and embedded on the opposite side.

The reference solution is obtained by performing a transient response calculation with the operator DYNA_VIBRA using the Newmark integration diagram with the parameters \(\mathit{alpha}\mathrm{=}0.25\) and \(\mathit{delta}\mathrm{=}0.5\).

2.2. Reference quantities and results

It is proposed to test the following quantities:

• Move next \(x\) to coordinate point \((0.0816,0.165)\)

• Stress and deformation at the Gauss point of a cell containing the coordinate node \((0.3383,0.39)\)

• Stress and deformation at coordinate node \((0.3383,0.39)\)

2.3. Uncertainties about the solution

The regime is considered to be established after 90 periods. The reference values used are those recorded over the 98th and 99th periods of the transitory response.