How do I conduct structural analysis on steam turbine blades using Ansys apdl?

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Discussion Overview

The discussion revolves around conducting structural analysis on low pressure spindle blades of steam turbines using Ansys APDL. Participants seek guidance on applying forces, pressures, and constraints to analyze stress, strain, and deformation in the blades.

Discussion Character

  • Homework-related, Technical explanation

Main Points Raised

  • One participant expresses a lack of knowledge about performing structural analysis in Ansys APDL and requests guidance on applying forces and constraints.
  • Another participant notes that rotational forces acting on the turbine blade are significant and emphasizes the need to know the distance from the axis of rotation and the speed of rotation.
  • There is a suggestion that additional loading from the steam's passage should consider its velocity, pressure, and temperature at the specific turbine stage.
  • A request for resources such as books, journals, or tutorial videos is made to facilitate learning about the analysis process.

Areas of Agreement / Disagreement

Participants generally agree on the importance of understanding the forces acting on the turbine blades, but the discussion remains unresolved regarding specific methods and resources for conducting the analysis.

Contextual Notes

Limitations include a lack of detailed information on the specific application of forces and constraints in Ansys APDL, as well as the need for more context on the operational conditions of the turbine blades.

Damian123
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Hello,

i would like to do structural analysis for low pressure spindle blades in Ansys apdl.. but i couldn't do it coz of lack of knowledge about it.. Can anybody explain me where to apply force/ pressure and constraints and how to do it to find stress, strain and deformation in it.. please i had attached picture of those blades..
 

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Any suggestions guys??
 
One of the major loads on a turbine blade will be due to the rotational forces acting to hurl the blade away from the spinning rotor. You will need to know the distance of the blade from the axis of rotation and the speed of rotation.

If you want to add a loading on the blade due to the passage of steam, then you must determine the velocity, pressure, and temperature of the steam as it passes thru the particular stage of the turbine where the blade is located.
 
Is there any books, journals or tutorial videos which can i knw.. so that it will be lot easier.. thanks for ur reply
 

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