1 Reply Latest reply on Feb 15, 2013 11:17 AM by Jared Conway

    Modeling tissue or colloidal suspension in Flow Simulation

    Mark Stringham

      Hello Flow Simulation gurus.


      I would like to model heat transfer through body tissue or colloidal suspensions (such as gelatin) that basically consist of a solid-water matrix. As heat is applied, some of the water evaporates and changes the thermal and physical properties of the material. I would like to obtain the time-dependent temperature change through the material as a hot electrode is applied to a local area. Any idea how to approach this to get a realistic model? I am assuming I wil have to input table/curve data for the tissue or colloid thermal and physical properties. Do you know of any sources of thermal properties of body tissues? How to handle the changing water content? Any suggestions are welcome!

        • Re: Modeling tissue or colloidal suspension in Flow Simulation
          Jared Conway

          I think you've got it. The only option would be to create a material where you "fake" the water loss using a property vs temperature curve. You might be able to get away with the rule of mixtures if you know what the properties of the 2 materials are at the 2 temperatures and the volume/mass fraction of each at those points.


          To get a realistic model, you're going to need a physical experiment to validate your method. But once you've done that, you should be able to use the technique on future models.