r7.10.04 Post-treatment using the Roche method

Summary:

The operator POST_ROCHE [U4.84.46] is a post-processing operation that uses the Roche method to evaluate the result of a non-linear solution based on purely linear preliminary calculation solutions.

• 1. Introduction
• 2. Input data
• 3. Calculation steps
  • 3.1. Establishing the monotonic traction curve according to Ramberg Osgood
  • 3.2. Retrieving and classifying moments
  • 3.3. Calculation of reference stresses
  • 3.4. Calculating reversibility
  • 3.5. Calculating spring effect factors \({r}_{M}\) and \({r}_{S}\)
  • 3.6. Calculation of the reduction coefficients \(g\) and \({g}_{S}\), for each section (case RCCM_RX =” NON “)
  • 3.7. Calculation of the reduction coefficients \({g}_{\mathit{RX}}\) and \({g}_{\mathit{SRX}}\), for each section (case RCCM_RX =” OUI “)
  • 3.8. Calculation of equivalent stresses