NEA-0528 MARC.

MARC, MultiGroup Diffusion in R-Z, X-Y, R-Theta, Slab, Cylindrical, Spherical, Hexagonal, Triangular Geometry

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, CPU, FEATURES, AUXILIARIES, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED, OTHER RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: MARC.

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2. COMPUTERS

To submit a request, click below on the link of the version you wish to order. Rules for end-users are available here.

Program name	Package id	Status	Status date
MARC-PN	NEA-0528/03	Tested	15-FEB-1990

Machines used:

Package ID	Orig. computer	Test computer
NEA-0528/03	DEC VAX 8350	DEC VAX 8810

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3. NATURE OF PHYSICAL PROBLEM SOLVED

Regular and adjoint multigroup diffusion equation in r-z, x-y, r-theta, slab, cylindrical, spherical, hexagonal and triangular geometries with various reflective and cyclic boundary conditions. A comprehensive collection of edits is available as specified for CRAM and SCRAMBLE.

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4. METHOD OF SOLUTION

Two methods are available, the CRAM method or the PDQ method.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

CRAM method:
   (12+NDSCAT)*NG*JMAX  must be less than 30000
PDQ  method:
   (6+NDSCAT)*JMAX*IMAX must be less than 30000
   where NG is the number of groups,
   NDSCAT the number of down - scatters and
   IMAX and JMAX are the number of points in x and y directions.

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6. TYPICAL RUNNING TIME

NEA-0528/03

The test case ran at NEADB on a VAX 8810 computer in 113 seconds of CPU time.

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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM

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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS

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9. STATUS

Package ID	Status date	Status
NEA-0528/03	15-FEB-1990	Tested at NEADB

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10. REFERENCES

NEA-0528/03, included references:

- J.K. Fletcher:
  The Solution of the Multigroup Neutron Transport Equation Using
  Spherical Harmonics.
  Reprint from Nuclear Science and Engineering: 84, 33-46(1983)
- J.K. Fletcher:
  A Finite Element Option for the MARC Transport/Diffusion Theory
  Computer Code.
  ND-R560(R)  (January 1981)
- J.K. Fletcher:
  A User's Guide to the MARC and PN Computer Codes.
  TRG Report 2911(R)  (September 1976)
- J.K. Fletcher:
  Further Work on the Solution of the Static Multigroup Neutron
  Transport Equation Using Spherical Harmonics.
  TRG Report 2849(R)  (August 1976)
- J.K. Fletcher:
  The Solution of the Multigroup Neutron Transport Equation Using
  Spherical Harmonics.
  TRG Report 2547(R)  (August 1974)
- J.K. Fletcher:
  A Computer Program to Solve the Three Dimensional Multi-Group
  Diffusion Equation in X, Y, Z and Triangular Z Geometries.
  TRG Report 2344(R)

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11. MACHINE REQUIREMENTS

190k bytes core memory, 6 disc files plus dump tape if required.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0528/03	FORTRAN-77

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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED: ICL 4-70 DOS 7J and ICL 2980 VME/B.

NEA-0528/03

VMS V5.1-1 (VAX 8810).

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

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15. NAME AND ESTABLISHMENT OF AUTHOR

      J.K. Fletcher
      Central Technical Services
      United Kingdom Atomic Energy Authority
      Risley, Warrington WA3 6AT
      United Kingdom

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16. MATERIAL AVAILABLE

NEA-0528/03

File name	File description	Records
NEA0528_03.001	Information file	109
NEA0528_03.002	M1.FOR	820
NEA0528_03.003	M2.FOR	769
NEA0528_03.004	M3.FOR	430
NEA0528_03.005	M4.FOR	457
NEA0528_03.006	M5.FOR	484
NEA0528_03.007	M6.FOR	567
NEA0528_03.008	M7.FOR	652
NEA0528_03.009	M8.FOR	578
NEA0528_03.010	M9.FOR	652
NEA0528_03.011	M10.FOR	693
NEA0528_03.012	M12.FOR	930
NEA0528_03.013	M13.FOR	774
NEA0528_03.014	M14.FOR	636
NEA0528_03.015	M15.FOR	710
NEA0528_03.016	M16.FOR	664
NEA0528_03.017	M17.FOR	354
NEA0528_03.018	M18.FOR	602
NEA0528_03.019	M19.FOR	1098
NEA0528_03.020	M20.FOR	498
NEA0528_03.021	M21.FOR	815
NEA0528_03.022	M22.FOR	352
NEA0528_03.023	M23.FOR	961
NEA0528_03.024	M24.FOR	1087
NEA0528_03.025	M27.FOR	35
NEA0528_03.026	M30.FOR	851
NEA0528_03.027	M33.FOR	19
NEA0528_03.028	DEC77.FOR	300
NEA0528_03.029	MARC.FOR	6
NEA0528_03.030	ORD.DAT	171
NEA0528_03.031	ORD.OUT	2743
NEA0528_03.032	MARCL.COM	5
NEA0528_03.033	MARCR.COM	16
NEA0528_03.034	FD5W.FOR	54
NEA0528_03.035	TRANL.DAT	12278