Computer Programs

NEA-0347 MESHREF.

NEA-0347 MESHREF.

MESHREF, Finite Elements Mesh Combination with Renumbering

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, 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: MESHREF.

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2. COMPUTERS

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Program name	Package id	Status	Status date
MESHREF	NEA-0347/01	Tested	01-MAR-1973

Machines used:

Package ID	Orig. computer	Test computer
NEA-0347/01	IBM 370 series	IBM 370 series

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3. NATURE OF PHYSICAL PROBLEM SOLVED

The program can assemble different meshes stored on tape or cards. Renumbering is performed in order to keep band width low. Voids and/ or local refinement are possible.

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4. METHOD OF SOLUTION

Topology and geometry are read according to input specifications. Abundant nodes and elements are eliminated.
The new topology and geometry are stored on tape.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Maximum number of nodes = 2000. Maximum number of elements = 1500.

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6. TYPICAL RUNNING TIME: 1.5 min for largest problem.

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7. UNUSUAL FEATURES OF THE PROGRAM

The program allows to modify meshes and to renumber the nodes in order to keep the band width low.

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8. RELATED AND AUXILIARY PROGRAMS: MESHGEN.

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9. STATUS

Package ID	Status date	Status
NEA-0347/01	01-MAR-1973	Tested at NEADB

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10. REFERENCES: - NEA Newsletter of October 1971.

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11. MACHINE REQUIREMENTS: Tape to read and store topology.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0347/01	FORTRAN-IV

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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED: Standard.

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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

      Joint Research Centre
      21020 Ispra (Varese)
      Italy.

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16. MATERIAL AVAILABLE

NEA-0347/01

File name	File description	Records
NEA0347_01.001	MESHREF SOURCE PROGRAMME+SAMPLE INPUT	728
NEA0347_01.002	MESHREF SAMPLE OUTPUT	349

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17. CATEGORIES

I. Deformation and Stress Distributions, Structural Analysis and Engineering Design Studies
L. Data Preparation

Keywords: finite element method.