[mcstas-users] About McStas 3.3 and optimization mode

[Peter Kjær Willendrup]

Dear Rubén,


It is true that current releases of McStas do not have this feature in the Python-based tools, and unfortunately the manuals are in need of an overhaul. - The described optimiser was built in to the legacy set of Perl-based tools, more specifically in the mcrun.pl (or mcrun-pl on Windows) command line utility, which is probablyncluded in your McStas 3.1 installation?

Alternatively you are likely able to do most of your optimisation by means of “scans” - i.e. variation of a single parameter at at time?

I can further inform you that the forthcoming McStas v.3.4 will again include an “optimiser”, built into the mcrun Python tool - hopefully 3.4 will be out during this month.

Best,
Peter Willendrup

On 12 Sep 2023, at 04.55, DIEGO RUBÉN ROMÁN OZUNA <201706683 at est.umss.edu> wrote:

Hi
I hope this email finds you well.

Allow me to introduce myself; my name is Rubén Román, and I am currently pursuing my undergraduate thesis at Universidad Mayor de San Simón, hailing from Bolivia.

I am reaching out to seek assistance with a specific issue related to the McStas software. Our team and I are deeply engaged in a project involving the optimization of geometric parameters, specifically the L/D ratio, for a collimator intended for neutron radiography.

In our quest for knowledge, we consulted the McStas software manual, which led us to discover the presence of an instrument optimization mode. Regrettably, we have encountered difficulties in accessing this mode within the mcgui environment. It appears that this option eludes us and we need guidance to leverage its capabilities effectively.

We would greatly appreciate any insights or guidance you could offer us regarding the utilization of this optimization mode within McStas.

Thank you for your time and consideration.

Sincerely,

Ruben Roman
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Peter Kjær Willendrup
Forskningsingeniør, Specialkonsulent

DTU Physics
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Technical University of Denmark


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