NESC0434 HEATMESH

HEATMESH, Geometry Data Generator for Heat Transfer Calculation in Axisymmetric System

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROBLEM OR FUNCTION, 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 UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: HEATMESH

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2. COMPUTERS

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Program name	Package id	Status	Status date
HEATMESH	NESC0434/01	Tested	01-AUG-1972

Machines used:

Package ID	Orig. computer	Test computer
NESC0434/01	IBM 360 series	IBM 360 series

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3. DESCRIPTION OF PROBLEM OR FUNCTION

HEATMESH is used  to generate
geometrical  data  required  for  studies   of  heat  transfer  in
axisymmetric  structures represented  as  surfaces of  revolution.
The program consists of two distinct phases.  The first subdivides
the given parts into a nodal network and evaluates the geometrical
properties of the nodes.  The second determines adjacent nodes and
edits geometrical data for the thermal model.

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4. METHOD OF SOLUTION

The structure to be studied, represented as a
body of revolution,  is divided into parts  having common material
properties and represented as bodies  of revolution.  Each part is
then  described as  four surfaces  of  revolution subdivided  into
nodes which form a mesh.  Data for  each part are collected, i. e.
volume, area, and  part number of each node, and  node surfaces on
the  part boundary  and inside  the part  boundary.  The  distance
between the center and the midpoint of each surface of the node is
tabulated also.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Number of subdivisions between 1 and 50 for sides 1 and 3
Number of subdivisions between 1 and 12 for sides 2 and 4

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6. TYPICAL RUNNING TIME:

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7. UNUSUAL FEATURES OF THE PROGRAM

The input data are constructed
in the same manner as used in the APT program. Data generated by
APT can be used in HEATMESH with only minor changes.

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8. RELATED AND AUXILIARY PROGRAMS

The data generated by HEATMESH
are used in the difference equations of the HEATFLOW program which
solves transient heat transfer problems.

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9. STATUS

Package ID	Status date	Status
NESC0434/01	01-AUG-1972	Tested at NEADB

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10. REFERENCES

V.  K.  Gabrielson,  HEATMESH, A  Computer  Code  for
Generating Geometrical Data Required for  Studies of Heat Transfer
in  Axisymmetric  Structures, SCL-DR-67-30,  September  1967,  and
Errata, 1970.

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11. MACHINE REQUIREMENTS:

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NESC0434/01	FORTRAN-IV

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED: SCOPE.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

   All
subroutines  called  which  are  not   included  refer  to  Sandia
(Livermore) plot programs and should  be easily converted to other
systems.

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15. NAME AND ESTABLISHMENT OF AUTHOR

                 V. K. Gabrielson
                 Numerical Applications
                 Division 8321
                 Sandia Laboratories
                 Livermore, California  94550

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16. MATERIAL AVAILABLE

NESC0434/01

File name	File description	Records
NESC0434_01.001	SOURCE PROGRAMME + DATA FOR A SAMPLE CASE	1102
NESC0434_01.002	PRINTED OUTPUT	157

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17. CATEGORIES

H. Heat Transfer and Fluid Flow
N. Subsidiary Calculations

Keywords: geometry, heat transfer, mechanical structures, mesh generation.