This is the ERC's Page of FAQ's 

1. What is the Fortran90 Unit Manager ?

2.How do you adjust squish to get the correct compression ratio?

3. What type of soot does kiva3v-ERC model?

4. How does the crevice model influence in-cylinder mass and pressure?

5. What are some parameters that influence diesel spray penetration?

6.How do you convert g/(kg-fuel) to g/(kW-hr) ?

7.How to compile code on the PC with Compaq Visual Fortran ?

8. How to make an animation in EnSight 7.1 ?

9. What inputs does kiva3v require values for when modeling a new engine?

10. What do the kiva-lite output files contain?

11.What do the kiva3v-ERC output files contain?

12. What is KL factor ?

13.What UNIX editors are available at the ERC?

14. How do I restart a simulation in KIVA?

15. How can I easily add a shroud to my intake valve?

16. Why does kiva multipy NO by 1.533?

17. What does a flowchart for kiva3v-erc look like?

18. What does a flowchart for the 2D to 3D converter look like?

19. How is zpistn calculated?

20. What does spdg represent?

21. How can I digitize a complex shape?

22. Where can I find a list of many papers, thesis and books available at the ERC (use Internet Explorer here)?

23. What units does chemkin use and what does it calculate?

24. In general, what do phases A, B and C do in kiva?

25. How do I use the Vectis to Kiva3v Converter?

26. How do I convert a kiva3v code to have plot3d output?

27. How Is Wall Stress And Heat Transfer Calculated In Kiva?

28. What are some Guidelines for Matching Kiva to Experimental Data?

29. In General, how does the code work to break up droplets in KIVA-ERC?

30. Where can I find a good web site for units conversion?

31. Does KIVA model Soot, SOF, or what?

32. How does the ERC define EGR?

33. What defines diesel spray penetration?

34. How is zpistn calculated? (Internet Explorer required for accurate viewing)

35. How is an animation made in EnSight?

36. How does variable liquid fuel density and variable nozzle discharge coefficient influence HRR and pressure traces?

37. Are there any suggestions for matching pre-combustion pressure traces?

38. What is the relationship between time and crank angle?

39. Can I do code development simultaneously on the PC and under UNIX?

40. Are there any maximum time step (dtmax) guidelines for kiva simulations?

41. I am trying to run a large mesh size. However, it does not run complaining about memory fault.

42. What physical inputs are required for HCC modeling?

43. What has to be changed it itape5 when changing from 2D to 3D?

44. What grid refinement should be used for HCCI modeling with the kiva_mz?

45. obsolete

46. How do I convert an itape5 for a single-hole sector grid to an itape5 for a 360 degree cylindrical grid?

47. What is the difference detween an inorganic and organic compound?

48. Where can I find out more about CVS (Concurrent Versions System), a tool used for group software development?

49. Where can I find out more about a utility that will automatically create makefiles for use on UNIX?

50. Are there any guidelines for how much memory simulations require?

51. How can I check how much memory a simulation uses on the SGI?

52. Where  can I find animations and descriptions of various engine types?

53. How can I log into the nodes of the piranha LINUX cluster?

54. Where can I find code to calculate liquid spray penetration and sauter mean radius (smr)?

55. Why don't the injection velocities I input to kiva equal the injection velocities in the output file?

56. How can I build a liner and head mesh for HCC simulations using ICEM-CFD?

57. Why does fuel not burn with split injection when the 2nd pulse is late and how might I fix it?

58. What are some conditions that determine if ignition, or combustion will occur within a cell when using shell ignition, or characteristic time combustion models?

59. What units can be used in HCC and what are the conversion factors?

60. What are approximate mole and mass ratios of N2 and O2 for air?

61. How is stoichiometric A/F calculated (an examples for using C14H30, CH4, H2,C8H18)?

62. Why does kiva crash while running on piranha while writing otape8?

63. How do kiva results on piranha compare to those on the sgi computers?

64. obsolete

65. In Fieldview, I can't save a movie with slower motion no matter what I did in the 'build frame rate'.  How can I slow it down?

66. In Fieldview, is there any trick to rotate the plot? It seems difficult to get a good view.

67. How is stoichiometric oxygen/fuel  ratio calculated?

68. What are some flag values used in kiva3v and k3prep?

69. Where can I find general information about using ICEM-CFD to build kiva3v grids?

70. How is it determined whether the ignition, or combustion model is used at any time in the engine cycle?

71. Can the parameter range size be changed on a GA optimization restart?

72. How does KIVA calculate inflow and outflow of species for crevice region?

73. What are some useful commands for command line debuggers on UNIX and LINUX?

74. Obsolete

75. How can I print graphs to a file using gnuplot?

76. Where can I find an on-line dictionary, even one that pronounces the words for me?

77. Can I use frames in EnSight to line up parts?

78. Calculating streamlines in EnSight takes forever, could you tell me why?

79. What is one method of calculating equivalence ratio from computational results?

80. What is the analysisconverter code and how is it used?

81. How can kiva3v be modified to run multiple cycles?

82. How can I test my experimental pressure curves for accuracy?

83. How can I find the size of files and directories on UNIX?

84. Where can I find information related to using WAVE at the ERC?

85. Where can I find a batch file that will do restarts automatically?

86. How does Ricardo's swirl value as used in WAVE relate to Kiva's swirl value?

87. How is turbulence intensity calculated from turbulence kinetic energy?

88. In WAVE, what is the "freeze temperature?"

89. In WAVE, how are species 3 and 4 used?

90. What are some behaviors of natural gas combustion with diesel pilot ignition?

91.  What is stated in the Government Use Acknowledgement Form for kiva4

92. Where are some web sites for accessing reaction mechanisms?

93. Where can I find FAQs related to the use of Chemkin?

94. Where can I find Windows 2000 keyboard shortcuts?

95. What does eavec, envec and eovec represent?

96. How do I run Compaq Digital Fortran with command line arguments?

97.  Where can I find a nice definition of Enthalpy of Formation?

98. What does the double dot term mean in the energy and turbulence equations?

99. How can I increase stacksize in Compaq Visual Fortran?

100.  How can I easily find divide by zero errors and overflow errors in Compaq Visual Fortran?

101. Why is TKEI based on mean piston speed for engine applications?

102. What are some turbulence relationships used in kiva?

103. How do I add scalars to k3tom5?

104. Where can I find an on-line source for gas properties?

105. Where can I find more EnSight FAQs?

106. What can you tell me about subroutine paccel and drop drag?

107. How can I find the amount of cpu time taken by various subroutines?

108. How should the CAT mode 5 baseline data of Montgomery (2000) be adjusted for modeling?

109. Where does the 4.0 factor in the the soot oxidation equation come from in ercsot.f?

110. Can the HCC and Radiation models of Jim Wiedenhoefer be used in 2d?

111.  How do kiva and hcc find each others grids?

112.  How must ercdat.f be modified if modeling fuels other than C14H30?

113. Where can I find an equation for cylinder volume that accounts for wrist pin offset?

114. What are some useful pbs, qstat and ps type commands?

115.  Where can I find web sites that describe government emissions test procedures?

116. Where can I find out more about the relationship between solid-body and Bessel-function swirl?

117. How can I debug an MPI program on an SGI computer?

118.  What Windows and UNIX commands will delete certain files from specified locations on my disk (like otape8 files, *.o files, etc.)?

119.  How do I compile on LI/UNIX when computer memory requirements are large (ex: large mesh size)?

120. How should open port boundaries be specified in kiva3v?

121. How can I start a simulation on my PC from a remote location?

122. What are some polytropic relationships?

123.  How can I estimate the needed change in squish to match a motored pressure trace?

124.  In the standard (Los Alamos) spray model, have you ever played with critical weber number, or do you know anything about its effect?

125.  Do you have any general recommendations for match spray penetration?

126.  What changes must I make in Compaq Visual Fortran to run with MPICH?

127.  How can I modify an existing makefile for a new program?

128.  Is there an easy way to order references for a paper?

129.  Where can I find an example for using EnLiten?

130.  Can there be a relationship between the tinvrt error and the lawall subroutine?

131.  Where can I find the MIT iso-octane mechanism that works with the LLNL therm.dat file, and why would I want it?

132.  What are some thermal properties for metals and coatings used in combustion chambers?

133.  How can I get my Microsoft Outlook information from my remote PC?

134.  How do I calculate g(species)/kg(fuel) from ppm?

135.  Where can I see the molecular structures of species in many LLNL mechanisms?