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<font size=2 color="#0000FF">Abdullahi,<br>
TRNOPT (actually, its underlying engine GenOPT) is designed to
search for minimums by picking its own values for the optimization
parameters. If you have one or two parameters that you want to optimize,
it is easy enough to define some CONSTANTS in the input file and use
TRNEdit to run a parametric table of the combinations that you want to
see. If you have something more complex (and it sounds as though you do),
you might want to look at Type70. If you have Type70 in your simulation,
it reads an external file containing the values of TRNSYS model
parameters that you want to change, ignores the values that are in the
actual input file and replaces them with the values in the external file.
I imagine that you will have to write something to put your node meshing
results into the format desired by Type70's external file but that might
be the best way to proceed.<br><br>
<blockquote type=cite class=cite cite="">Hello all,<br>
<br>
I am using a component that reads some of its parameters from an external
parameter file. I am looking for the best way to carry out optimisation
of some of the inputs/parameters. I have the following questions if
someone will kindly help,<br>
<ol>
<li>Is there any way to carry out a series of simulations that will read
a number of external parameter files and give results for each simulation
run? </font>
<li><font size=2 color="#0000FF">Is it possible to use TRNOPT to optimise
parameters included in an external file?</font>
<li><font size=2 color="#0000FF">If 2 above is possible, is it also
possible to carry out such optimisation when one of the parameters is
determined by the node meshing and defined by the parameterisation in the
external file?</font>
</ol><font size=2> <br>
</font><font size=2 color="#0000FF">Regards<br>
<br>
Abdullahi<br>
</font><font size=2> <br>
</font><font face="Times New Roman, Times" color="#0000FF">Abdullahi
Ahmed </font><font size=1 color="#0000FF">(BSc. MSc.) Postgraduate
researcher<br>
</font><font face="Times New Roman, Times" size=2 color="#0000FF">School
of the Environment<br>
University</font> of Brighton<br>
<font face="Times New Roman, Times" size=2 color="#0000FF">
Cockcroft</font> Building<br>
<font face="Times New Roman, Times" size=2 color="#0000FF">Lewes Rd.<br>
Brighton<br>
BN2 4GJ<br>
<br>
Tel: +44 01273 643455<br>
</font><font face="Times New Roman, Times"> <br>
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