Calculation of Moment in Ansys Fluent Dynamic Mesh

    • Avinash SIngh

      hello guys,

      i am doing a simulation on a 2D turbine rotation using dynamic mesh. I am using 6-DOF solver in my simulation. One of my objective is to calculate the value of torque/moment on the turbine as it rotates with a constant rotational speed .

      I have set the moment plot in the "Report Definitions", but the graph that I am getting is a bit weird. My moment value is fluctuating between two values. A snapshot of the graph and the geometry is attached below.

      I want to know the formula used by ansys during the calculation of moment in the simulation if anything is wrong with the setup of the simulation, please let me know that as well.

      Please reply as soon as possible. 

      Thank you.

      graphgeometry setup

    • Karthik R


      For moment definitions, please check out section 22.2.1. in the ANSYS Fluent Theory guide.

      Hope this helps.

      Best Regards,


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