ANSYS thermal-mechanical coupled crack growth

Hello every one:

  I am new to ANSYS ,I want to simulate  thermal-mechnical stationary   crack growth,

how steps i can do it ? i want to use K Criterion . who do it before ?

many thanks to you .  

Hello every one:

  I am new to ANSYS ,I want to simulate  thermal-mechnical stationary   crack growth,

how steps i can do it ? i want to use K Criterion . who do it before ?

many thanks to you .