Discussion Forum

Hi Gary,

In a property group subnode of the node of your material you can add function subnodes. You give them a name, and then in the property group node you can define model inputs, which also names the variable (for example 'freq') and then you can put 'output properties' in your property group for which you give the expression functionName(freq).

Thanks for the response, but I for the life of me can't find where this is.

I'll try to describe better what I want to do. I have a material that has a differing magnetic permeability depending of the frequency at which a coil is operating. I have these permeabilities in a table. What i've been trying is creating a global function (int1) that uses interpolation (cubic spline) to estimate these points. I then try to use the int1 function in the expression box when creating the new material. But I am receiving an error whenever I hit the compute button that the variable is not being evaluated.

Am I just doing this wrong or is there a much better method to it?

Thanks

You define your material properties in the physics interface or do you take them 'from material'?

I was trying to define them under the global definitions.

I attached the file that I'm working with. I'm trying to define the permeability of material 3 using a table of values.

Pretty sure I got it figured out. When calling the interpolation i was using just int1, not int1(freq).