How to model high cycle fatigue in abaqus ?

16 March 2017 1 5K Report

Hy i am working on the Fatigue analysis of buried pipeline .I want to model high cycle fatigue in abaqus.Can any body tell me how to model it and please tell me the significance of paris law in abaqus and how to enter paris law value in abaqus?

Shankarachar Sutar

Dear Friend,

Abaqus is a tool. First you have to develop mathematical model for pipe conveying fluid. Generate a Matlab or Fortran code for your piping setup.

Run the program and generate the natural frequency data. To validate this data you first make solid model of your setup and than conduct CFD analysis by ansys or abaqus. Use velocity and pressure profile to convert in force. Than atart structural modal analysis apply the load as udl than find the frequency for the applied load data.

Regards

Shankarachari Sutar

Hyderabad

India

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