WS10 -1 NAS105, Workshop 10, May 2005 WORKSHOP 10 SIDE WALL STUDY

WS10 -2 NAS105, Workshop 10, May 2005

WS10 -3 NAS105, Workshop 10, May 2005 Tasks n Perform some basic checks of a side wall model. n Apply a shear load. n Request u output of mass u output of load balance u survey of minima and maxima of displacements and reaction forces u output of grid point stresses and grid point stress discontinuities n Study the.f06 u results of element geometry checks u output from grid point weight generator u load resultants and equilibrium check u minima and maxima

WS10 -4 NAS105, Workshop 10, May 2005 Problem Files n Rquired Files: sidewall.dat : Model of the Side Wall sidewall.set : Set with elements used for computation of grid point stresses n Solution File: ws10s.bdf : Proposed Solution

WS10 -5 NAS105, Workshop 10, May 2005 Model Set defined in sidewall.set

WS10 -6 NAS105, Workshop 10, May 2005 Problem Data n Constraints u Constrain all degrees of freedom at grid points 48272, and n Loads: u Apply a force in x-direction at grid point Use a value of 100.

WS10 -7 NAS105, Workshop 10, May 2005 Input Deck $ Side Wall Study: Solution $ $ Executive Control Statements $ SOL 101 DIAG 8 CEND $ $ Case Control Commands $ TITLE = Side Wall Study ECHO = SORT(EXCEPT, CQUAD4, CTRIA3, GRID) $ SPC = 1 LOAD = 2 $ EQUILIBRIUM MAXMIN(BOTH=2, DISP, SPCF, COMP=T1/T2/T3) = ALL $ $ Side Wall Study: Solution $ $ Executive Control Statements $ SOL 101 DIAG 8 CEND $ $ Case Control Commands $ TITLE = Side Wall Study ECHO = SORT(EXCEPT, CQUAD4, CTRIA3, GRID) $ SPC = 1 LOAD = 2 $ EQUILIBRIUM MAXMIN(BOTH=2, DISP, SPCF, COMP=T1/T2/T3) = ALL $

WS10 -8 NAS105, Workshop 10, May 2005 Input Deck (ctd.) DISP(PLOT) = ALL STRESS(PLOT) = ALL $ SET 1 = 100 $ Set 1 contains Surface 100 STRFIELD = 1 GPSTRESS = 1 $ Grid Point Stresses GPSDCON = 1 $ Grid Point Stress Discontinuities ELSDCON = 1 $ OUTPUT(POST) $ INCLUDE 'sidewall.set' $ Defines SET 90 SURFACE 100 SET 90 NORMAL MY $ BEGIN BULK $ DISP(PLOT) = ALL STRESS(PLOT) = ALL $ SET 1 = 100 $ Set 1 contains Surface 100 STRFIELD = 1 GPSTRESS = 1 $ Grid Point Stresses GPSDCON = 1 $ Grid Point Stress Discontinuities ELSDCON = 1 $ OUTPUT(POST) $ INCLUDE 'sidewall.set' $ Defines SET 90 SURFACE 100 SET 90 NORMAL MY $ BEGIN BULK $

WS10 -9 NAS105, Workshop 10, May 2005 Input Deck (ctd.) $ Bulk Data Deck $ PARAM, POST, 0 $ Results to.xdb $ $ Activate Grid Point Weight Generator $ PARAM, GRDPNT, 0 $ $ Loads $ FORCE, 2, 48158,, 100., 1. $ $ Constraints $ SPC1, 1, , 48272, 48300, $ $ Model $ INCLUDE 'sidewall.dat' $ ENDDATA $ Bulk Data Deck $ PARAM, POST, 0 $ Results to.xdb $ $ Activate Grid Point Weight Generator $ PARAM, GRDPNT, 0 $ $ Loads $ FORCE, 2, 48158,, 100., 1. $ $ Constraints $ SPC1, 1, , 48272, 48300, $ $ Model $ INCLUDE 'sidewall.dat' $ ENDDATA

WS NAS105, Workshop 10, May 2005 Results: Element Geometry Tests 0 TOLERANCE LIMITS ARE: SA = 30.00, IA(MIN) = 30.00, IA(MAX) = , WF = 0.05, TR = 0.50 (FLAG = LIMIT VIOLATED) ELEMENT TYPE ID SKEW ANGLE MIN INT. ANGLE MAX INT. ANGLE WARPING FACTOR TAPER RATIO QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE 6 0 E L E M E N T G E O M E T R Y T E S T R E S U L T S S U M M A R Y TOTAL NUMBER OF TIMES TOLERANCES WERE EXCEEDED ASPECT/ MINIMUM MAXIMUM SURFACE/FACE EDGE POINT JACOBIAN ELEMENT TYPE SKEW ANGLE TAPER RATIO INTER. ANGLE INTER. ANGLE WARP FACTOR OFFSET RATIO LENGTH RATIO DETERMINANT QUAD N/A N/A N/A TRIA3 0 N/A N/A 0 N/A N/A N/A N/A N/A IN THE ABOVE TABLE INDICATES TESTS THAT ARE NOT APPLICABLE TO THE ELEMENT TYPE AND WERE NOT PERFORMED. FOR ALL ELEMENTS WHERE GEOMETRY TEST RESULTS HAVE EXCEEDED TOLERANCES, QUAD4 ELEMENT ID PRODUCED LARGEST TAPER RATIO OF 0.58 (TOLERANCE = 0.50). QUAD4 ELEMENT ID PRODUCED LARGEST WARP FACTOR OF 0.10 (TOLERANCE = 0.05). 1 SIDE WALL STUDY 0 TOLERANCE LIMITS ARE: SA = 30.00, IA(MIN) = 30.00, IA(MAX) = , WF = 0.05, TR = 0.50 (FLAG = LIMIT VIOLATED) ELEMENT TYPE ID SKEW ANGLE MIN INT. ANGLE MAX INT. ANGLE WARPING FACTOR TAPER RATIO QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD QUAD SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE 6 0 E L E M E N T G E O M E T R Y T E S T R E S U L T S S U M M A R Y TOTAL NUMBER OF TIMES TOLERANCES WERE EXCEEDED ASPECT/ MINIMUM MAXIMUM SURFACE/FACE EDGE POINT JACOBIAN ELEMENT TYPE SKEW ANGLE TAPER RATIO INTER. ANGLE INTER. ANGLE WARP FACTOR OFFSET RATIO LENGTH RATIO DETERMINANT QUAD N/A N/A N/A TRIA3 0 N/A N/A 0 N/A N/A N/A N/A N/A IN THE ABOVE TABLE INDICATES TESTS THAT ARE NOT APPLICABLE TO THE ELEMENT TYPE AND WERE NOT PERFORMED. FOR ALL ELEMENTS WHERE GEOMETRY TEST RESULTS HAVE EXCEEDED TOLERANCES, QUAD4 ELEMENT ID PRODUCED LARGEST TAPER RATIO OF 0.58 (TOLERANCE = 0.50). QUAD4 ELEMENT ID PRODUCED LARGEST WARP FACTOR OF 0.10 (TOLERANCE = 0.05). 1 SIDE WALL STUDY

WS NAS105, Workshop 10, May 2005 Results: Mass Properties 0 O U T P U T F R O M G R I D P O I N T W E I G H T G E N E R A T O R 0 REFERENCE POINT = 0 M O * E E E E E E+00 * * E E E E E E+01 * * E E E E E E+00 * * E E E E E E+04 * * E E E E E E+03 * * E E E E E E+04 * S * E E E+00 * * E E E+00 * * E E E+00 * DIRECTION MASS AXIS SYSTEM (S) MASS X-C.G. Y-C.G. Z-C.G. X E E E E+02 Y E E E E+02 Z E E E E+00 I(S) * E E E+02 * * E E E+02 * * E E E+03 * I(Q) * E+03 * * E+03 * * E+03 * Q * E E E-01 * * E E E-03 * * E E E-01 * 0 O U T P U T F R O M G R I D P O I N T W E I G H T G E N E R A T O R 0 REFERENCE POINT = 0 M O * E E E E E E+00 * * E E E E E E+01 * * E E E E E E+00 * * E E E E E E+04 * * E E E E E E+03 * * E E E E E E+04 * S * E E E+00 * * E E E+00 * * E E E+00 * DIRECTION MASS AXIS SYSTEM (S) MASS X-C.G. Y-C.G. Z-C.G. X E E E E+02 Y E E E E+02 Z E E E E+00 I(S) * E E E+02 * * E E E+02 * * E E E+03 * I(Q) * E+03 * * E+03 * * E+03 * Q * E E E-01 * * E E E-03 * * E E E-01 *

WS NAS105, Workshop 10, May 2005 Results: Loads and Accuracy 0 0 OLOAD RESULTANT SUBCASE/ LOAD DAREA ID TYPE T1 T2 T3 R1 R2 R3 0 1 FX E E E+04 FY E E E+00 FZ E E E MX E MY E MZ E+00 TOTALS E E E E E E+04 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE 10 0 *** SYSTEM INFORMATION MESSAGE 6916 (DFMSYN) DECOMP ORDERING METHOD CHOSEN: BEND, ORDERING METHOD USED: BEND *** USER INFORMATION MESSAGE 5293 (SSG3A) FOR DATA BLOCK KLL LOAD SEQ. NO. EPSILON EXTERNAL WORK EPSILONS LARGER THAN ARE FLAGGED WITH ASTERISKS E E+02 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE RESULTANTS ABOUT ORIGIN OF SUPERELEMENT BASIC COORDINATE SYSTEM IN SUPERELEMENT BASIC SYSTEM COORDINATES. 0 SPCFORCE RESULTANT SUBCASE/ LOAD DAREA ID TYPE T1 T2 T3 R1 R2 R3 0 1 FX E E E+04 FY E E E+04 FZ E E E MX E MY E MZ E+02 TOTALS E E E E E E OLOAD RESULTANT SUBCASE/ LOAD DAREA ID TYPE T1 T2 T3 R1 R2 R3 0 1 FX E E E+04 FY E E E+00 FZ E E E MX E MY E MZ E+00 TOTALS E E E E E E+04 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE 10 0 *** SYSTEM INFORMATION MESSAGE 6916 (DFMSYN) DECOMP ORDERING METHOD CHOSEN: BEND, ORDERING METHOD USED: BEND *** USER INFORMATION MESSAGE 5293 (SSG3A) FOR DATA BLOCK KLL LOAD SEQ. NO. EPSILON EXTERNAL WORK EPSILONS LARGER THAN ARE FLAGGED WITH ASTERISKS E E+02 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE RESULTANTS ABOUT ORIGIN OF SUPERELEMENT BASIC COORDINATE SYSTEM IN SUPERELEMENT BASIC SYSTEM COORDINATES. 0 SPCFORCE RESULTANT SUBCASE/ LOAD DAREA ID TYPE T1 T2 T3 R1 R2 R3 0 1 FX E E E+04 FY E E E+04 FZ E E E MX E MY E MZ E+02 TOTALS E E E E E E+04

WS NAS105, Workshop 10, May 2005 Results: Equilibrium Check 0 0 RESULTANTS ABOUT ORIGIN OF SUPERELEMENT BASIC COORDINATE SYSTEM IN SUPERELEMENT BASIC SYSTEM COORDINATES. 0 APP LOAD RESULTANT SUBCASE/ LOAD DAREA ID TYPE T1 T2 T3 R1 R2 R3 0 1 FX E E E+04 FY E E E+00 FZ E E E MX E MY E MZ E+00 TOTALS E E E E E E+04 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE 14 0 E Q U I L I B R I U M C H E C K RESULTANT LOADS IN BASIC COORDINATE SYSTEM SUBCASE REFERENCE LOAD T1 T2 T3 R1 R2 R3 NO. POINT TYPE 1 ORIGIN APP-LOAD E E E E E E+04 F-OF-SPC E E E E E E *TOTALS* E E E E E E+00 1 SIDE WALL STUDY 0 0 RESULTANTS ABOUT ORIGIN OF SUPERELEMENT BASIC COORDINATE SYSTEM IN SUPERELEMENT BASIC SYSTEM COORDINATES. 0 APP LOAD RESULTANT SUBCASE/ LOAD DAREA ID TYPE T1 T2 T3 R1 R2 R3 0 1 FX E E E+04 FY E E E+00 FZ E E E MX E MY E MZ E+00 TOTALS E E E E E E+04 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE 14 0 E Q U I L I B R I U M C H E C K RESULTANT LOADS IN BASIC COORDINATE SYSTEM SUBCASE REFERENCE LOAD T1 T2 T3 R1 R2 R3 NO. POINT TYPE 1 ORIGIN APP-LOAD E E E E E E+04 F-OF-SPC E E E E E E *TOTALS* E E E E E E+00 1 SIDE WALL STUDY

WS NAS105, Workshop 10, May 2005 Results: Maxima and Minimum 0 0 *** T1 *** D I S P L A C E M E N T M A X / M I N V A L U E S U M M A R Y RESULTS FOR SUBCASE 1 MAXMIN OPTIONS: SET=ALL, CID=BASIC, MAX=2, MIN=2, COMP=T1 POINT ID. TYPE CID *** T1 *** T2 T3 R1 R2 R G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E-01 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE *** T2 *** D I S P L A C E M E N T M A X / M I N V A L U E S U M M A R Y RESULTS FOR SUBCASE 1 MAXMIN OPTIONS: SET=ALL, CID=BASIC, MAX=2, MIN=2, COMP=T2 POINT ID. TYPE CID T1 *** T2 *** T3 R1 R2 R G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E-02 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE *** T3 *** D I S P L A C E M E N T M A X / M I N V A L U E S U M M A R Y RESULTS FOR SUBCASE 1 MAXMIN OPTIONS: SET=ALL, CID=BASIC, MAX=2, MIN=2, COMP=T3 POINT ID. TYPE CID T1 T2 *** T3 *** R1 R2 R G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E *** T1 *** D I S P L A C E M E N T M A X / M I N V A L U E S U M M A R Y RESULTS FOR SUBCASE 1 MAXMIN OPTIONS: SET=ALL, CID=BASIC, MAX=2, MIN=2, COMP=T1 POINT ID. TYPE CID *** T1 *** T2 T3 R1 R2 R G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E-01 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE *** T2 *** D I S P L A C E M E N T M A X / M I N V A L U E S U M M A R Y RESULTS FOR SUBCASE 1 MAXMIN OPTIONS: SET=ALL, CID=BASIC, MAX=2, MIN=2, COMP=T2 POINT ID. TYPE CID T1 *** T2 *** T3 R1 R2 R G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E-02 1 SIDE WALL STUDY JUNE 29, 2004 MSC.NASTRAN 1/21/04 PAGE *** T3 *** D I S P L A C E M E N T M A X / M I N V A L U E S U M M A R Y RESULTS FOR SUBCASE 1 MAXMIN OPTIONS: SET=ALL, CID=BASIC, MAX=2, MIN=2, COMP=T3 POINT ID. TYPE CID T1 T2 *** T3 *** R1 R2 R G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E G BASIC E E E E E E-0

WS NAS105, Workshop 10, May 2005 Results: Stress Discontinuities 0 SUBCASE = 1 G R I D P O I N T S T R E S S D I S C O N T I N U I T I E S - - S U R F A C E SURFACE X-AXIS X NORMAL(Z-AXIS) MY REFERENCE COORDINATE SYSTEM FOR SURFACE DEFINITION CID 0 GRID NORMAL STRESS DISCONTINUITY IN SURFACE SYSTEM PRINCIPAL STRESS DISCONTINUITY ERROR ID FIBER NORMAL-X NORMAL-Y SHEAR-XY MAJOR MINOR MAX SHEAR VON MISES EST Z E E E E E E E E+00 Z E E E E E E E E+00 MID 6.135E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01 MID 3.775E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.376E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01 MID 4.111E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.441E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E-01 MID 6.533E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.843E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01 MID 8.207E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.792E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01 0 SUBCASE = 1 G R I D P O I N T S T R E S S D I S C O N T I N U I T I E S - - S U R F A C E SURFACE X-AXIS X NORMAL(Z-AXIS) MY REFERENCE COORDINATE SYSTEM FOR SURFACE DEFINITION CID 0 GRID NORMAL STRESS DISCONTINUITY IN SURFACE SYSTEM PRINCIPAL STRESS DISCONTINUITY ERROR ID FIBER NORMAL-X NORMAL-Y SHEAR-XY MAJOR MINOR MAX SHEAR VON MISES EST Z E E E E E E E E+00 Z E E E E E E E E+00 MID 6.135E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01 MID 3.775E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.376E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01 MID 4.111E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.441E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E-01 MID 6.533E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.843E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01 MID 8.207E E E E E E E E Z E E E E E E E E+00 Z E E E E E E E E+00 MID 4.792E E E E E E E E Z E E E E E E E E-01 Z E E E E E E E E-01

WS NAS105, Workshop 10, May 2005 Results: Grid Point Stresses 0 SUBCASE = 1 S T R E S S E S A T G R I D P O I N T S - - S U R F A C E SURFACE X-AXIS X NORMAL(Z-AXIS) MY REFERENCE COORDINATE SYSTEM FOR SURFACE DEFINITION CID 0 GRID ELEMENT STRESSES IN SURFACE SYSTEM PRINCIPAL STRESSES MAX ID ID FIBER NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR SHEAR VON MISES Z E E E E E E E+00 Z E E E E E E E+00 MID 9.205E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 6.013E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 8.479E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 8.664E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.490E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.056E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.792E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.119E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.868E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 0 SUBCASE = 1 S T R E S S E S A T G R I D P O I N T S - - S U R F A C E SURFACE X-AXIS X NORMAL(Z-AXIS) MY REFERENCE COORDINATE SYSTEM FOR SURFACE DEFINITION CID 0 GRID ELEMENT STRESSES IN SURFACE SYSTEM PRINCIPAL STRESSES MAX ID ID FIBER NORMAL-X NORMAL-Y SHEAR-XY ANGLE MAJOR MINOR SHEAR VON MISES Z E E E E E E E+00 Z E E E E E E E+00 MID 9.205E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 6.013E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 8.479E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 8.664E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.490E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.056E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.792E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.119E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00 MID 1.868E E E E E E E Z E E E E E E E+00 Z E E E E E E E+00

WS NAS105, Workshop 10, May 2005 Additional Tasks n Rerun the analysis using the AUTOSPC case control command. u Set parameter K6ROT to 0. u Use the SPC option and have SPC entries written to the.pch file. u Check the output of the grid point singularity processor. u Check the SPC entries. u Compare the results. u Repeat the same with the MPC option. n Rerun the analysis with QUAD4 and TRIA3 converted to QUADR and TRIAR respectively. u Check the output of the grid point singularity processor. u Compare the results.

WS NAS105, Workshop 10, May 2005