NEA-0476 FLETU.

FLETU, Static Analysis of 3-D Pipeworks by Displacement Method

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, 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: FLETU.

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2. COMPUTERS

To submit a request, click below on the link of the version you wish to order. Only liaison officers are authorised to submit online requests. Rules for requesters are available here.

Program name	Package id	Status	Status date
FLETU	NEA-0476/01	Tested	01-JUL-1977

Machines used:

Package ID	Orig. computer	Test computer
NEA-0476/01	UNIVAC 1106	UNIVAC 1106

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3. NATURE OF PHYSICAL PROBLEM SOLVED: Static analysis of 3-dimensional pipeworks.

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4. METHOD OF SOLUTION: Displacement method.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

The pipework is limited to 1000 nodes, 4000 members, 15 different member types. The number of nodes with applied loads or prescribed displacements is limited to 100.

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6. TYPICAL RUNNING TIME: Depends on the size of the problem solved.

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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-0476/01	01-JUL-1977	Tested at NEADB

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10. REFERENCES

- "Programma di calcolo automatico di flessibilita' delle tubazioni" rapporto n.2 (1968)
- "Programma FLETU calcolo automatico flessibilita' tubazioni"
(1969).

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11. MACHINE REQUIREMENTS

64k core storage
8 scratch areas on disk storage (1,2,3,4,8,9,10,20).
Input and output devices.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0476/01	FORTRAN-IV

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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED: UNIVAC EXEC 8. Honeywell GECOS III.

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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: E. Petrovich and R. De Martin, ENEL, Rome, Italy

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16. MATERIAL AVAILABLE

NEA-0476/01

File name	File description	Records
NEA0476_01.001	FLETU - F5 AND DATA	3162
NEA0476_01.002	FLETU SAMPLE PROBLEM OUTPUT	685

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17. CATEGORIES

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

Keywords: flexibility, pipes, stress analysis, three-dimensional.