Anslysis of Trombe Wall with Phase change materials in ansys fluent

- April 11, 2022 at 10:45 pm
  
  StefanosPur
  Subscriber
  
  air_1.png
- April 11, 2022 at 10:58 pm
  
  StefanosPur
  Subscriber
  
  The model is in this picture mot in the previous
- April 12, 2022 at 9:14 am
  
  Rob
  Ansys Employee
  
  Please post the images in line, staff are not permitted to open attachments.
- April 12, 2022 at 9:47 am
  
  StefanosPur
  Subscriber
  
  Here are the pictures!
- April 12, 2022 at 9:54 am
  
  StefanosPur
  Subscriber
  
  Im sorry didnt know! The picture in line are below
  In the model the up and down small parallelogramms are wall concrete, and between the parallelograms and wall(concrete) are the air gaps. Furthemore the else lines are there for the structed grid.
- April 12, 2022 at 1:35 pm
  
  Rob
  Ansys Employee
  
  There's nothing obviously wrong with the set up. What is the problem?
- April 12, 2022 at 2:46 pm
  
  StefanosPur
  Subscriber
  
  The problem is that the residuals for continious equation is about 1e-01 . I'm using residuals (absolute criteria) 1e-03 and it doesnt converge. This cause problem in accuracy of the results, doesnt it?
- April 13, 2022 at 10:19 am
  
  Rob
  Ansys Employee
  
  Put some monitor points into the model, what are they doing? Residuals not dropping, ie doing what you're seeing can mean you have some slight transients in the flow that mean the solver won't converge (numerically) but the solution is stable.

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