cosin software 2015-4 release notes

1. ​check for numerical stability of air cavity model added
2. arithmetic expressions using plot signal numbers in cosin/ip enabled
3. ortho/central projection made selectable in FTire/sim script
4. animation improvement: rim flange forces colored red if attracting
5. made 2d rdf roads reloadable when FTire is running in Matlab/Simulink
6. improved loading of dynamic libraries
7. maximum speed mode with step-size control enabled reduced from 4 to 3 (saving backup of state array per simulation step)
8. improved message outout in cti/replay function
9. lateral belt bending computation in case of bottoming improved
10. rgr extrapolation type made selectable in rgr management GUI
11. command line version of parallelized FTire/sim with multiple sim-scripts introduced
12. fix: CTI S-function terminates correctly now also with multiple block instances
13. restart option added to FTire/sim
14. fix: rim data file loading made thread-safe
15. new CTI API functions:
    •     ctiAnimateSceneWithExtRoad
    •     ctiComputeForcesTimeContinuousWithExtRoad
    •     ctiComputeForcesWithExtRoadList
    •     ctiFindOutputSignalNumber
    •     ctiGetArraySize
    •     ctiGetOutputSignals
    •     ctiInit
    •     ctiLinearizeWheelCarrier
    •     ctiReadOperatingConditions
    •     ctiReadStates
    •     ctiSetDiagMode
    •     ctiWriteStates
16. following CTI API functions marked as deprecated:
    •     ctiGetOperatingConditions
    •     ctiGetStates
    •     ctiPutStates
17. tolerance in tire data file comparison relaxed
18. ‘reveal in Finder’ function added to cosin/tools
19. cosin/gl short documentation via F1 made accessible in Windows
20. force extrapolation to next time step in real-time application made numerically more robust
21. appendix ’supported labels for ctiFindOutputSignalNumber‘ added to cti documentation chapter
22. in case of several wheels, animation camera focusses the common center
23. more than one consecutive steady-state initializations enabled in CTI
24. offsets in FTire/fit plots added to caption
25. fix: gyroscopic moments computation(effective only in alternative interface)
26. new data item: rim radial moment of inertia
27. specification of radial stiffness characteristic added to FTire editor in cosin/tools
28. fix: unit converter, case m^3 -> in^3
29. all feature dates prior to 2010/01/01 removed
30. new optional FTire output file: contact patch boundaries
31. new optional FTire output file: ground pressure, interpolated to regular grid
32. CTI API function ctiSetRunTimeMode extended, to enable/disable calling solver step-size control
33. export of rdf 3D spline to rgr file even if no rgr data contained in rdf
34. optional MSC license check accelerated
35. unconditionally load rim and suspension data files in ctireplay, if specified
36. centerline in rgr files can be easily shifted and rotated with new simple entries in header
37. rgr header format generalized: tabs allowed, blanks around ‘=‘ allowed
38. fix: optional encryption of binary road data
39. real-time settings menu in cosin/tools completed
40. all cosin windows have now same special keys: Escape = close window, F1 = open cosin docu
41. FTire convergence robustness during initialization improved
42. dynamic memory allocation removed from time-critical FTire routines
43. fix: potential memory leak in bitmap processing routines
44. estimation of rim radial moment of inertia made more accurate
45. cosin/prm interface to FTire added
46. cosin/ip improvements:
    • GUI-driven change between zooming and coordinate display
    • new line styles and line colors (rainbow, Matlab-style, grey-scale) with GUI-driven selection
    • improved line stippling and grey-scale definition for optimzed B/W prints
    • mouse-driven zoom in/out
    • new command: save table data
    • diagram size change in GUI
    • computation and output of mean/RMS/standard deviation of signals upon demand
    • macro recording/replay
47. fix: contact point velocity computation in case of large moving body angles (tilt table)
48. add binary center-line data when resampling rgr file
49. ’stick menu‘ button introduced in cosin/gl
50. max number of diagrams in FTire/fit pdf creation increased to 1024
51. new design of message file header
52. measurement- and force-component-individual axis systems in all tests used by FTire/fit introduced
53. non-SI units for force and moment allowed in TYDEX files
54. FTire/fit report formatting improved, using style-sheets, page numbers, cover sheet, more explanatory text, etc.
55. CTI server/client optionally using faster UDP instead of TCP/IP protocol
56. fix: computation of contact moment My (only additional output signal) in real-time mode
57. more robust computation of lateral and longitudinal stiffness during preprocessing
58. FTire editor improved: alternative specification of vertical deflection and wheel load for horizontal stiffness added
59. speed up of demo project generation in FTire/fit
60. FTire surface data can be saved now as shl or obj files, with adjustable resolution
61. new Tcl/Tk-based message output
    • all used files shown in message window made clickable, to open with respective application
    • ‚copy to clipboard‘ function added
62. accurate nodal velocities output added to surface geometry output, needed for prm coupling and coupling to CFD solvers
63. new flag ‘surface geometry output resolution’ introduced, to control resolution of co-simulation geometry/velocity output
64. cosinm license check accelerated
65. coordinate system for geometry output in FTire/sim made selectable (inertial / rim-fixed / wheel-carrier-fixed)
66. bitmap tread pattern repetition made exactly periodic
67. adjustable cleat event delay time introduced in FTire/fit
68. fix: cleat test wheel controller in FTire/fit uses correct nominal signal (Fz in proper axis system)
69. fix: reproducible usage of rdyn(v) dependency, controlled by setting accurate_statics=2 (before, TYDEX ouput of rdyn depended on previous call of ‚additional info‘)
70. query password for encrypted road data files also in 3rd-party environments
71. animation suppressed in realtime multi-threaded mode, even if ’noanim‘ option not set
72. new tab ‚cosimulation‘ added to cosin launchpad, showing all settings that influence CTI and FTire behavior in 3rd-party environments
73. all Ascii data file new-lines changed to CRLF, to allow clean editing with all editors, including primitive Windows editors
74. added new cosinrun options ‚finder‘ to start OS-specific file manager, and ‚platform‘ to get calling platform
75. reduced installation package size by removing binaries which are no longer needed
76. ‚TYDEX-conform Output Signals‘ chapter added to FTire model documentation
77. improved bookmarks and hyperlinks in documentation
78. fix: NaN treatment in crg roads with elevated center-lines
79. OpenCRG libraries upgraded to version 1.1.0.rc1
80. cleat length specification in 2D road data files revised:
    • width (formerly length) is ‚physical‘ width of cleat. Parameter length still recognized; downward compatible
    • length_x is effective length in rolling direction
81. external programs are called now using tcl exec rather than cmd, to avoid flashing of cmd window
82. include demo project report and identified tire data file with installer
83. output of deviation of large and small parameters from reference value during pre-processing improved
84. Tcl/Tk-based message output window in Matlab/Simulink
85. OpenCRG library loading improved, for repeated loading of same file
86. missing rgr file ‚hydro_surface.rgr‘ added to installer
87. dot admitted in formula expression variable names (needed for example in cosin/mbs)
88. 2D road ‚tilt table‘ optionally equipped with obstacle (barrier) and variable rotation velocity
89. user-defined message function made available in all calling environments, including cosin environment