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Computing for Science

The Computing for Science (CS) group supports ILL scientists, students and visitors in a number of activities including data analysis, instrument simulation and sample simulation.

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Virtual instruments and experiments

McStas - ILL Library

Instruments

The most up-to-date list of ILL instrument models can be found on the McStas web-site at the location Download/Components/Example.


The various simulated instruments are listed by category (some of these are obsolete)

TAS : three axis spectrometer
DIF : diffractometer
HR : high resolution spectrometer
TOF : time of flight spectrometer

and by origin and author.


ILL instruments and guides (if you use these files, please inform the authors...)

D9

ILL

Instr.

Chris Ling. DIF Group.

The D9 hot diffractometer at the ILL

see example in McStas

H113

ILL

Instr

Emmanuel Farhi

The H113 ballistic curved cold guide at the ILL

see example in McStas

H142 IN 12

ILL

Instr

Emmanuel Farhi

The H142 S-curved cold guide at the ILL

see example in McStas

H15

ILL

Instr

Emmanuel Farhi

The H142 S-curved cold guide at the ILL feeding IN12 TAS spectrometer

see example in McStas


ILL

Instr

Emmanuel Farhi

The H15 curved cold guide at the ILL

see example in McStas

H15 IN16

ILL

Instr

Emmanuel Farhi

The IN6 Time-of-Flight simulation, positioned as the first instrument in the cold guide H15 (Nickel coating) at the ILL

see example in McStas

H24

ILL

Instr

Emmanuel Farhi

The H24 curved thermal guide at the ILL

see example in McStas

H53

ILL

Instr

Emmanuel Farhi

The H53 curved cold guide at the ILL

see example in McStas

TOF_Env

ILL

Instr

Emmanuel Farhi

A test instrument for the S(q,w) sample, with furnace/container

see example in McStas

IN14

ILL

TAS

E. Farhi

Andrew wildes

under developpement

The 3-axis IN14 spectrometer at ILL

IN14 tutorial

ILL

TAS

E. Farhi

tutorial

The 3-axis IN14 spectrometer at ILL

Rescal Tas

ILL

TAS

E. Farhi


see example in McStas

D20

ILL

DIF

T. Hansen

See D20 McStas site

The full D20 diffractometer

IN16

ILL

HR

PH, BF M. Gonzales

under developpement

The IN16 high resolution backscattering spectrometer

IN10

ILL

HR

BF, M. Gonzales

under developpement

The IN10 high resolution backscattering spectrometer

IN6

ILL

TOF

HS, MP, CC

Reports 1, 2

The IN6 Time-Of-Flight

D16

ILL

DIF

G. Luke, Oct 2000

a test

The D16 diffractometer

D11

ILL

LSS

E. Farhi, Dec 2000

Reports 1, 2

The D11 small angle scattering spectrometer

IN5

ILL

TOF

J. Ollivier, Oct 2000

Reports 1, 2

The IN5 TOF spectro with original curved guide

H15 (for D11)

ILL

Cold Guide ILL7

E. Farhi, Feb 2001

Report 1

The H15 cold guide for IN6, D7, DB21, IN10, D11

see example in McStas

H22 (for Vivaldi)

ILL

Thermal guide (DIF)

E. Farhi, July 2001

Reports 1, 2

The H22 thermal guide for D1A/B, the Strain Scanner and Vivaldi with YBaCuO

ILL 7 guides

ILL

Thermal & cold guides

E. Farhi, April 2001

Reports 1, 2

The H15, H22 and H24 curved guides

H112 (for EDM) as well as H15, H142, H53, H1 13

ILL

Cold guide

E. Farhi, October 2001. Feb 2002

Report 1

A general simulation for all curved guides

ILL guides and script

ILL

Cold and Thermal guides

Emmanuel Farhi (EF). August 2002

June, 8th, 2001 (cold and thermal)
Aug 8th, 2001 (Vivaldi/H22)
Oct 26, 2001 (H112 and ILL cold guides), 
Feb 19th 2003 (IN12@H142 and IN3@H24)

A general simulation for all curved guides


 Other instruments and tests

3HeTest

ILL

Test

TR. 1999

More...

An 3He neutron polarisation test


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Reports

The Philosophy of McStas, by P-O. Astrand, Scans meeting, Lake Balaton, 2001 (pdf).

 

M. Rotter, "McStas Simulation for PANDA", Institut für Angewandte Physik, Technische Universität Dresden, January 2000. On-line copy (gzipped postscript, 1.5Mb). This 90-page report describes a very comprehensive set of simulations performed to design the PANDA triple-axis spectrometer at FRM-II. Many thanks to Martin Rotter for making this available.
Contains examples of the adaptative source (Source_adapt), various monochromator/analyser configurations (see sources at the end of the report).

 

Some reports about curved guide (cold and thermal) simulations at ILL by E. Farhi

A report on the IN5b spectrometer simulations at the ILL by J. Ollivier [ June, 14th, 2001 ].

 

Reports about IN6 simulations performed at the ILL by M. Pohlman and C. Carbogno [ April 21st, 2001, April 30th, 2002 ] using a contributed FermiChopper component (see geometry).

 

A simple text about using polarisation in McStas through a basic test instrument, by T. Roberts  [ PDF file ] (141 ko, Apr 11, 1999, by TR). Uses instrument 3He_test.

 

A french report about computation of magnetic fields on coils, including self induction, and propagation of neutrons polarisation through the field with McStas by V. Hugouvieux [PS report, June 2001].

 

Reports about monochromator models in McStas

  • Monochromator_reflect component and benchmarking document [ PDF, 4.8 Mo, Sept 12th, 2003 ]
  • A routine to compute monochromator reflectivity tables 'REF.pro' [ PDF, 270 ko, Dec 16th, 2003 ]

Validation of McStas components: results for Fermi Chopper, Sources, Guides [ PDF, 1.1 Mo, Apr 11th, 2005 ] (by K. Lieutenant and H. Bordallo). See also [ PDF, 450 ko, Apr 11th, 2005 ].

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