Date: 31-07-2003 PARTICIPANT INFORMATION ----------------------- Name: Okko Joost Boelens Email: boelens@nlr.nl Phone: +31 20 5113697 Address: Fluid Dynamics Division Address: Theoretical Aerodynamics and Aero-elasticity Department Address: Anthony Fokkerweg 2 Address: 1059 CM Amsterdam Address: P.O. Box 90502 Address: 1006 BM Amsterdam Address: The Netherlands SOLVER INFORMATION -------------------- Method Name: ENSOLV (part of NLR's flow simulation system ENFLOW) Basic Algorithm: cell-centred, finite-volume method, using multi-block structured grids, central differences, and artifical diffusion. equations are solved by a multi-grid scheme, using a Runge-Kutta scheme as relaxation operator, accelerated by local time stepping and implicit residual averaging Turbulence Model: two-equation k-omega model of Wilcox with modification to obtain free-stream independency Residual: all residuals drop in the rms-norm approximately 2 orders Miscellaneous: all simulation were run in steady mode, the min and max values are determined over the last 150 iterations (except for CM_TOT where only the last 10 iterations could be used), the value itself is that of the last iteration GRID INFORMATION -------------------- Grid-Generator Name: ICEM CFD Grid Type: multi-block structured COARSE GRID SIZE WB WBNP ----------------------------------------- Zones: 21 274 Field Nodes: N/A N/A Field Cells: 3.3 M 4.5 M Boundary Nodes: N/A N/A Boundary Faces: N/A N/A BL 1st-Cell Size: N/A N/A BL Max-Growth Rate: N/A N/A BL Cells: N/A N/A Miscellaneous: for the WBNP grid a version of the ICEM CFD grids was used where the blocks were not joined together MEDIUM GRID SIZE WB WBNP ----------------------------------------- Zones: 27 347 Field Nodes: N/A N/A Field Cells: 5.5 M 8.3 M Boundary Nodes: N/A N/A Boundary Faces: N/A N/A BL 1st-Cell Size: N/A N/A BL Max-Growth Rate: N/A N/A BL Cells: N/A N/A Miscellaneous: for the WBNP grid a version of the ICEM CFD grids was used where the blocks were not joined together FINE GRID SIZE WB WBNP ----------------------------------------- Zones: 32 347 Field Nodes: N/A N/A Field Cells: 10.0 M 13.5 M Boundary Nodes: N/A N/A Boundary Faces: N/A N/A BL 1st-Cell Size: N/A N/A BL Max-Growth Rate: N/A N/A BL Cells: N/A N/A Miscellaneous: for the WBNP grid a version of the ICEM CFD grids was used where the blocks were not joined together SOLUTION INFORMATION -------------------- Computer Platform: NLR's NEC SX-5/8B parallel vector supercomputer # Processors: 1-6 Operating System: SUPER-UX sx5 11.1 E SX-5/8B Compiler: FORTRAN90/SX Version 2.45 for SX-5 Run Time CPU: WING/BODY 3300000.0 0.35 hours for 1500 iterations on level 1 1.87 hours for 1500 iterations on level 2 (1 multi-grid level) 5.08 hours for 1000 iterations on level 3 (1 multi-grid level) 6.19 hours for 1250 iterations on level 3 (constant cl, 1 multi-grid level) ----- 13.49 hours 5500000.0 0.59 hours for 1500 iterations on level 1 3.12 hours for 1500 iterations on level 2 (1 multi-grid level) 8.57 hours for 1000 iterations on level 3 (1 multi-grid level) 10.62 hours for 1250 iterations on level 3 (constant cl, 1 multi-grid level) ----- 22.90 hours 10000000.0 0.72 hours for 1500 iterations on level 1 2.67 hours for 1500 iterations on level 2 (no multi-grid) 6.50 hours for 750 iterations on level 3 (no multi-grid) 8.65 hours for 1000 iterations on level 3 (constant cl, no multi-grid) ----- 18.54 hours WING/BODY/NACELLE/PYLON 4500000.0 4.71 hours for 1500 iterations on level 1 10.32 hours for 1000 iterations on level 2 (no multi-grid) 12.88 hours for 1250 iterations on level 2 (constant cl, no multi-grid) ----- 27.79 hours 8300000.0 2.69 hours for 1500 iterations on level 1 6.84 hours for 1500 iterations on level 2 (no multi-grid) 16.58 hours for 1000 iterations on level 3 (no multi-grid) 21.00 hours for 1250 iterations on level 3 (constant cl, no multi-grid) ----- 47.11 hours 13700000.0 3.30 hours for 1500 iterations on level 1 9.28 hours for 1500 iterations on level 2 (no multi-grid) 23.90 hours for 1000 iterations on level 3 (no multi-grid) 29.88 hours for 1250 iterations on level 3 (constant cl, no multi-grid) ----- 66.36 hours Run Time Wall-Clock: The number of processors used was such that a complete simulation could be carried out within one night (approx. 12 hours) Memory Requirements: wing/body 3300000.0 2.5 GByte 5500000.0 4.1 GByte 10000000.0 7.5 GByte wing/body/nacelle/pylon 4500000.0 3.3 GByte 8300000.0 5.4 GByte 13700000.0 8.4 GByte Miscellaneous: CASE 1 SINGLE-POINT GRID CONVERGENCE STUDY (REQUIRED) --------------------------------------- WING/BODY GRID_SIZE MACH ALPHA CL_TOT (min, max) CD_TOT (min, max) CD_PR CD_SF CM_TOT (min, max) RESID_DROP 3300000.0 0.75 0.164368 0.500193 (0.500132, 0.500351) 0.030919 (0.030889, 0.030924) 0.016963 0.013956 -0.145297 (-0.145464, -0.145297) N/A 5500000.0 0.75 0.232315 0.499926 (0.499915, 0.500036) 0.029744 (0.029732, 0.029770) 0.016192 0.013552 -0.144774 (-0.144774, -0.144664) N/A 10000000.0 0.75 0.172221 0.500061 (0.500003, 0.500063) 0.029178 (0.029148, 0.029267) 0.015827 0.013351 -0.149374 (-0.149374, -0.149316) N/A WING/BODY/NACELLE/PYLON GRID_SIZE MACH ALPHA CL_TOT (min, max) CD_TOT (min, max) CD_PR CD_SF CM_TOT (min, max) RESID_DROP 4500000.0 0.75 0.622715 0.499828 (0.499664, 0.499828) 0.035532 (0.035122, 0.035548) 0.019095 0.016437 -0.152884 (-0.152884, -0.152775) N/A 8300000.0 0.75 0.580036 0.499774 (0.499534, 0.499774) 0.035101 (0.034997, 0.035153) 0.018837 0.016263 -0.156575 (-0.156575, -0.156563) N/A 13700000.0 0.75 0.544638 0.499648 (0.499645, 0.499815) 0.034264 (0.034142, 0.034264) 0.018058 0.016205 -0.156850 (-0.158846, -0.156850) N/A SEPARATION BUBBLE GEOMETRY - WING/BODY - FINE GRID FS_BUB BL_BUB WL_BUB FS_EYE_W BL_EYE_W WL_EYE_W FS_EYE_B BL_EYE_B WL_EYE_B N/A N/A N/A N/A N/A N/A N/A N/A N/A SEPARATION BUBBLE GEOMETRY - WING/BODY/NACELLE/PYLON - FINE GRID FS_BUB BL_BUB WL_BUB FS_EYE_W BL_EYE_W WL_EYE_W FS_EYE_B BL_EYE_B WL_EYE_B N/A N/A N/A N/A N/A N/A N/A N/A N/A CASE 2 DRAG POLAR - MEDIUM GRID (REQUIRED) --------------------------------- WING/BODY MACH ALPHA CL_TOT (min, max) CD_TOT (min, max) CD_PR CD_SF CD-CL2/PA CM_TOT (min, max) 0.75 -3.0 0.126791 (0.125331, 0.126791) 0.019789 (0.019742, 0.019789) 0.006701 0.013088 0.019250 -0.161884 (-0.161973, -0.161884) 0.75 -2.0 0.245100 (0.243927, 0.245100) 0.021298 (0.021250, 0.021315) 0.008201 0.013097 0.019285 -0.159147 (-0.159147, -0.159050) 0.75 -1.5 0.303779 (0.302435, 0.303779) 0.022499 (0.022404, 0.022499) 0.009414 0.013085 0.019407 -0.157583 (-0.157699, -0.157583) 0.75 -1.0 0.362462 (0.361148, 0.362462) 0.023929 (0.023860, 0.023947) 0.010865 0.013065 0.019527 -0.155433 (-0.155433, -0.155408) 0.75 0.0 0.479002 (0.477693, 0.479002) 0.027782 (0.027674, 0.027787) 0.014785 0.012998 0.020094 -0.149693 (-0.149800, -0.149693) 0.75 1.0 0.596090 (0.595237, 0.596090) 0.033552 (0.033461, 0.033552) 0.020655 0.012897 0.021646 -0.139885 (-0.139946, -0.139885) 0.75 1.5 0.659092 (0.658432, 0.659092) 0.038103 (0.038021, 0.038110) 0.025290 0.012814 0.023548 -0.136626 (-0.136637, -0.136626) WING/BODY/NACELLE/PYLON MACH ALPHA CL_TOT (min, max) CD_TOT (min, max) CD_PR CD_SF CD-CL2/PA CM_TOT (min, max) 0.75 -3.0 0.086275 (0.086267, 0.086275) 0.029912 (0.029652, 0.029912) 0.014270 0.015643 0.029663 -0.177942 (-0.177942, -0.177923) 0.75 -2.0 0.204479 (0.204267, 0.204489) 0.027477 (0.027452, 0.027537) 0.011799 0.015679 0.026076 -0.183832 (-0.183832, -0.183738) 0.75 -1.5 0.264005 (0.263832, 0.264033) 0.027857 (0.027857, 0.027931) 0.012167 0.015690 0.025522 -0.180310 (-0.180310, -0.180228) 0.75 -1.0 0.325441 (0.325352, 0.325470) 0.028693 (0.028693, 0.028787) 0.013002 0.015691 0.025144 -0.176749 (-0.176749, -0.176683) 0.75 0.0 0.449057 (0.448640, 0.449089) 0.031926 (0.031926, 0.032078) 0.016263 0.015664 0.025169 -0.168437 (-0.168437, -0.168374) 0.75 1.0 0.570037 (0.569200, 0.570042) 0.037084 (0.037066, 0.037187) 0.021556 0.015527 0.026196 -0.154780 (-0.154780, -0.154705) 0.75 1.5 0.633659 (0.632574, 0.633659) 0.041099 (0.041027, 0.041180) 0.025667 0.015432 0.027645 -0.148282 (-0.148282, -0.148215) UPPER SURFACE TRANSITION LOCATIONS (% CHORD) XROOT XKINK XE.844 XTIP 5. 15. 15. 5. LOWER SURFACE TRANSITION LOCATION (% CHORD) XLO 25. CASE 3 TRIPPED VS. FULLY TURBULENT DRAG (OPTIONAL) -------------------------------- WING/BODY MACH ALPHA CL_TOT (min, max) CD_TOT (min, max) CD_PR CD_SF CM_TOT (min, max) TYPE 0.75 0.081519 0.499842 (0.499800, 0.499977) 0.028757 (0.028720, 0.028772) 0.015723 0.013034 -0.152450 (-0.152450, -0.152412) TRIPPED 0.75 0.232315 0.499926 (0.499915, 0.500036) 0.029744 (0.029732, 0.029770) 0.016192 0.013552 -0.144774 (-0.144774, -0.144664) FULLY TURBULENT WING/BODY/NACELLE/PYLON MACH ALPHA CL_TOT (min, max) CD_TOT (min, max) CD_PR CD_SF CM_TOT (min, max) TYPE 0.75 0.475635 0.499748 (0.499564, 0.499748) 0.034147 (0.034073, 0.034194) 0.018431 0.015716 -0.166394 (-0.166394, -0.166390) TRIPPED 0.75 0.580036 0.499774 (0.499534, 0.499774) 0.035101 (0.034997, 0.035153) 0.018837 0.016263 -0.156575 (-0.156575, -0.156563) FULLY TURBULENT