CAMINO

1. Code Name: CAMINO
2. Code Category: MHD
3. Primary Developer: Morrell Chance
4. Other Developers and Users: J. M. Greene. Users: PPL MHD group
5. Short description (one line if possible): Calculates the s-alpha ballooning stability diagram for tokamak equilibria.
6. Computer Language: Fortran, 5000 lines
7. Type of input required (including files and/or output from other codes). Is there any special input preparation system (eg, GUI): Namelist for control, binary (C ) (ZIO interface wrap) or ASCII input depending on codes. Is there any special input preparation system (eg, GUI): No
8. Type of output produced (including files that are read by other codes and sizes of large files and synthetic diagnostics) ASCII outputs for interfacing other codes. Code has built-in graphics (TV80 wrap on NCARG).
9. Describe any postprocessors which read the output files:
10. Status and location of code input/output documentation SWIM SVN repository.
11. Code web site? SWIM
12. Is code under version control? What system? Is automated regression testing performed? SWIM SVN
13. One to two paragraph description of equations solved and functionality including what discretizations are used in space and time Calculates the s-alpha diagrams for tokamak equibria based on the balloon formulation of the Green and Chance paper referenced below, Using a 4th order Runge-Kutta method.
14. What modes of operation of code are there (eg: linear, nonlinear, reduced models, etc ) Purely linear.
15. Journal references describing code: No specific journal article. Relevant physics articles may be: Theory of ballooning modes in tokamaks with finite shear, D. Dobrott, D. B. Nelson, J. M. Greene, A. H. Glasser, M. S. Chance and E. A. Freeman. Phys. Rev. Letters, Vol. 39, No. 15 (1977) 943-946. The second region of stability against ballooning modes, J. M. Greene and M. S. Chance. Nucl. Fusion, Vol. 21, No. 4 (1981) 453-464.
16. Codes it is similar to and differences (public version): BALLOON - This code calculates only the ballooning stability.
17. Results of code verification and convergence studies (with references): With BALLOON for infinite n ballooning.
18. Present and recent applications and validation exercises (with references as available) CAMINO was widely applied for Tokamak design studies.
19. Limitations of code parameter regime (dimensionless parameters accessible)
20. What third party software is used? (eg. Meshing software, PETSc, ...) Usual mathematical libraries, e.g., NAG
21. Description of scalability: NA
22. Major serial and parallel bottlenecks: NA
23. Are there smaller codes contained in the larger code? Describe. NO
24. Supported platforms and portability Linux (portals)
25. Illustrations of time-to-solution on different platforms and for different complexity of physics, if applicable. Seconds