Kartik,

On Thursday, May 11, 2017 at 7:05:35 PM UTC-4, Kartik Jujare wrote:
>
> I added a create_point_source function after the assemble function in step 
> 12. I have also changed the beta value to (1, 1) and g=0 everywhere on the 
> boundary. Although the solution is similar to what I expected. I am not 
> able to understand why the magnitude is scaled by an arbitrary number(or 
> are they arbitrary?), in my case 800. Inside this 
> create_point_source_vector function, only the shape values get added to the 
> rhs then where does this magnitude come from and how can one control it? 
> Would be grateful to anyone who can shed some light on this.
>
We need to see the function but you may want to look here for example on 
how to do a point source 
https://groups.google.com/forum/#!searchin/dealii/dirac$20delta%7Csort:relevance/dealii/HTcSxhnzc5s/jDTMErSICAAJ

Best,

Bruno 

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