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NESC9838 TACO-3D.

TAC0-3D, 3-D Linear or Nonlinear, Steady-State or Transient Heat Transfer

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1. NAME OR DESIGNATION OF PROGRAM:  TACO-3D.
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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.

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Machines used:

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3. DESCRIPTION OF PROGRAM OR FUNCTION

TACO-3D is a three-dimensional, finite-element program for heat transfer analysis. An extension of the two-dimensional TACO program, it can perform linear and nonlinear analyses and can be used to solve either transient or steady-state problems. The program accepts time- or temperature- dependent material properties, and materials may be isotropic or orthotropic.
  
This package is distributed by:
Energy Science and Technology Software Center
P.O. Box 62
1 Science.Gov Way
Oak Ridge, TN 37831
(865) 576-2606 TEL
(865) 576-6436 FAX
E-mail: ESTSC@osti.gov
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4. METHOD OF SOLUTION:
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

The code is limited  to implicit time integration for transient solutions. TACO3D has no  general mesh generation capability. Rows of evenly-spaced nodes and  rows of sequential elements may be generated, but the program relies on separate mesh generators for complex zoning. TACO3D does not have the ability to calculate view factors internally.
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6. TYPICAL RUNNING TIME:
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7. UNUSUAL FEATURES OF THE PROGRAM

A variety of time- and temperature-dependent boundary conditions and loadings are available including temperature, flux, convection, and radiation boundary conditions and internal heat generation. Additional specialized features treat enclosure radiation, bulk nodes, and master/slave internal surface conditions (e.g., contact resistance). Data input via a free-field format is provided. A user subprogram feature allows for any type of functional representation of any independent variable. A profile (bandwidth) minimization option is available.
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8. RELATED AND AUXILIARY PROGRAMS

Graphical representation of data in the form of time history and spatial plots is provided through links to the POSTACO and GRAPE postprocessor codes.
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9. STATUS

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10. REFERENCES

- William E. Mason, Jr.
  POSTACO - A Post-Processor for Scalar, Two-Dimensional Finite
  Element Codes,
  UCID-17979, Rev. 1, February 1980.
- Bruce Eric Brown
  Displaying the Results of Three-Dimensional Analysis Using GRAPE.
  Part One: Vector Graphics,
  UCID-18507, October 1979.
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11. MACHINE REQUIREMENTS:
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12. PROGRAMMING LANGUAGE(S) USED

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

         W.E. Mason
         Sandia National Laboratories
         P.O. Box 969
         Livermore, California 94550
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16. MATERIAL AVAILABLE
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17. CATEGORIES
  • H. Heat Transfer and Fluid Flow

Keywords: finite element method, heat transfer, nonlinear problems, numerical solution, steady-state conditions, thermal conduction, thermal radiation, transients.