v2.01.034 SDLD34 — Release with a simple mass/spring

Summary:

A simple oscillator, consisting of a mass connected to a support by a spring, is released starting from the stretched spring. We check that Code_Aster correctly calculates the oscillatory response at the initial conditions without external forces.

We test the linear transient calculation functionalities on a physical basis and on a modal basis of the operator DYNA_VIBRA.

• 1. Reference problem
  • 1.1. Geometry
  • 1.2. Material properties
  • 1.3. Boundary conditions and loads
• 2. Benchmark solution
  • 2.1. Calculation method used for the reference solution
  • 2.2. Results
  • 2.3. Uncertainty about the solution
• 3. Modeling A
  • 3.1. Characteristics of modeling
  • 3.2. Characteristics of the mesh
  • 3.3. Features tested
  • 3.4. Tested sizes and results
• 4. B modeling
  • 4.1. Characteristics of modeling
  • 4.2. Characteristics of the mesh
  • 4.3. Features tested
  • 4.4. Tested sizes and results
• 5. Summary of results