The principal DFDC menus are listed here (w/o QDES menu). Top level DFDC menu ========================================================= DFDC c>? QUIT Exit program LOAD f Read ducted fan case from file SAVE f Write current ducted fan case to file .OPER Direct operating point(s) .GDES Geometry design facility .QDES Mixed-inverse design facility PANE Regenerate paneled geometry from buffer geometry .PPAR Show/change paneling PCOP Copy buffer geometry directly into paneling PWRT f Write paneling parameters to disk file PGET f Get paneling parameters from disk file .PLOP Plotting options NAME s Change case name INIT Reinitialize DFDC DEBU toggle debugging flag DFDC c> GDES menu ========================================================= .GDES (1) c>? GSET Set buffer geometry <== current geometry EXEC Set current geometry <== buffer geometry i Change target element (currently = 1) REF rr Set element reference pt (currently = 0.0000 0.0000 ) Tran rr Translate Scal r Scale about reference pt Adeg r Rotate (degrees) about reference pt ARAD r Rotate (radians) about reference pt HSET Set element home to current position HOME Put element back to home TGAP rr Change trailing edge gap LERA rr Change leading edge radius TCAM rr Change thickness, camber CAMP Add to camber line from added delta(Cp) CAMS Add to camber line from splined input points FLAP rrr Deflect trailing edge flap Modi Modify contour via cursor SLOP Toggle modified-contour slope matching flag SYMM Toggle y-symmetry flag .Poin Pointwise modification options Dist Determine distance between 2 cursor points CLIS List curvatures CANG List panel corner angles TICK Toggle node tick-mark plotting GRID Toggle grid plotting GPAR Toggle geometric parameter plotting HPLO Toggle home-position plotting Over f Overlay disk file airfoil PLOT Plot buffer airfoil Blow Blowup plot Rese Reset to original plot scale .ANNO Annotate plot HARD Hardcopy current plot SIZE r Change absolute plot size Z Zoom U Unzoom .GDES (1) c> PPAR menu ========================================================= Element 1 __________________________________________________ Z oom U nzoom N i number of panel nodes 62 D rr left,right end-spacing ratios 0.600 0.600 C r curvature scaling exponent 1.0000 S r curvature smoothing factor 1.0000 # rrr local refinement parameters... Enter key, parameters ( if spacing OK) c> ^[[A PLOP menu ========================================================= ............................................... S ize of plot object 10.00" D imensions of page 11.00 x 8.50" M argins from page edges 0.00", 0.00" F ont size (relative) 0.0130 P oint-symbol size (relative) 0.0040 W indow/screen size fraction 0.7000 B lowup input method: Cursor O rientation of plot: Landscape C olor PostScript output? F Option, Value (or ) c> OPER menu ========================================================= .OPERi c> ? EXEC (or E) converge current operating point THRU r Prescribe thrust and converge case RPM r Prescribe disk RPM AERO Set or edit blade section aero data DESI design blade chord to current BGAM,CL PITC r,r Set blade pitch angle (constant or linear) CL r,r Set blade CL (constant or linear) NBLD i Set # blades in disk RFLG Toggle bladed disk/actuator disk flag TSPE Toggle thrust spec (total/rotor) TGAP Set tip gap for rotor at shroud XDSK r Set disk axial location NRS i Set # radial stations VINF r Prescribe freestream speed VREF r Change reference velocity ATMO r Set fluid properties VSOU r Change speed of sound DRAG Drag area menu BL BL analysis FORC Force summary SHOW Show current geometry,dragareas,rotor status OUT Solution output listing CPX ii. Plot Cp vs x CPY ii. Plot Cp vs y CPAX rrr Change min,max,delta Cp annotation QX ii. Plot Q vs x QY ii. Plot Q vs y QAX rrr Change min,max,delta Q annotation CPV ii. Plot foils with pressure vectors | QV ii. Plot foils with velocity vectors | gee wiz QN ii. Plot foils with normal velocity | WRLX Align free vortex slipstreams with flow WITR Realign wakes with solver iterations (slooow!) WMOV i Align wake element i with flow SIDE i Select element side for plotting Opt Toggle plotting options .ANNO Annotate plot HARD Hardcopy current plot SIZE r Change absolute plot size UV rr Get flow data at a specified location UVC Get flow data at cursor-specified locations SLC Trace streamlines at cursor-specified locations CPWR f Output x vs Cp to file Z Zoom U Unzoom OOPT Set OPER plot and display options WBOX Set X,Y box for streamlines GBOX Set X,Y box for geometry plotting VGET Get inflow axial and tangential velocities .OPERi c> AERO submenu ========================================================= .AERO c> ? DISP Display airfoil characteristics NEW Create a new aero section DEL Delete an aero section EDIT Edit section aero data READ Read airfoil characteristics from disk file WRIT Write airfoil characteristics to disk file PLOT Plot airfoil characteristics ANNO Annotate current plot HARD Hardcopy current plot Defined aerodynamic sections: N r/R CLmax CLmin CDmin Mcrit REexp REref 1 0.0000 1.5000 -0.5000 0.01300 0.8000 -0.4000 0.2000E+06 .AERO c> BL submenu ========================================================= ================================================ BL BL calculation RE RN/m for V=Qref) currently: 0.344382E+07 TR transition points currently: 1.000 1.000 N N-crit for transition currently: 9.000 P plot BL data W write BL data to file .BL c> DRAG submenu ========================================================= .DRAG c> ? ............................................... List List drag areas Togg Toggle drag areas on/off New New drag area Edit Edit x,y,CDA values DXY rr Add delta dx,dy to drag area x,y SXY rr Scale drag area x,y DCD r Add delta CDA to drag area CDA SCD r Scale drag area CDA values .DRAG c> OPT submenu ========================================================= ---------------------------- G rid on Cp plots T S tagnation pt plot T P oints on line plot F V ertices on panels T N umbers of elements T C p data overlay F F orce data overlay F Toggle: