I've (very) recently started working with COMSOL with the aim of implementing "extern" formulas for certain equations into COMSOL using different models.
For that I need to know how to define any function in COMSOL, at all. I can't find any tutorials relating to that. Maybe someone could explain how to describe any function (for example a(x)=x^2+4). Eventually I'd like to have a formula looking somewhat like this:
Needed_value(x)=integrate(beta,x,x_a,x_b), where beta=f(E(x))
For now it would be enough for me being able to perform an equation like this:
needed_value(x)=integrate(E(x),x,x_a,x_b)).
As I use the AC/DC Module, E(x) actually should be given after calculation but I can't use ist (es.Ex?)
Does anyone know how to connect the AC/DC results with my equations in "Global ODEs and DAEs (ge)"
Thanks in advance
For that I need to know how to define any function in COMSOL, at all. I can't find any tutorials relating to that. Maybe someone could explain how to describe any function (for example a(x)=x^2+4). Eventually I'd like to have a formula looking somewhat like this:
Needed_value(x)=integrate(beta,x,x_a,x_b), where beta=f(E(x))
For now it would be enough for me being able to perform an equation like this:
needed_value(x)=integrate(E(x),x,x_a,x_b)).
As I use the AC/DC Module, E(x) actually should be given after calculation but I can't use ist (es.Ex?)
Does anyone know how to connect the AC/DC results with my equations in "Global ODEs and DAEs (ge)"
Thanks in advance