Marine Structural Design Episode 7 ppsx

... CHAPTER 7 LIMIT-STATE DESIGN OF OFFSHORE STRUCTURES 1 27 7. 1 Limit State Design 1 27 7. 2 Ultimate Limit State Design 128 7. 2.1 Ductility and Brittle Fracture Avoidance 128 7. 2.2 ... 378 20.4.1 Overall Structural Analysis 379 20.4.2 Local Structural Analysis 381 20.3 Time-Domain Fatigue Assessment 377 20.3.1 Application 377 20.4...

Ngày tải lên: 14/03/2014, 16:20

... accordant position. 4.6 Application of Lifetime-Oriented Analysis and Design 623 60 65 70 75 80 Residual Young’s modulus [%] 60 65 70 75 80 85 90 95 100 Residual dynamic elastic modulus [%] O3 QT3-1 ... Lifetime-Oriented Analysis and Design 641 Fig. 4. 174 . Cantilever bending beam used for experiments in laboratory 12 3 4 5 6 7 8 30 cm 2,40 m uuuuuuuu 12345 678 saw cut Fig. 4. 1...

Ngày tải lên: 01/07/2014, 10:43

... IndividualBalance Equations 374 4.2.2 Strategyof NumericalSolution 376 4.2.3 Weak Formulation 377 4.2.3.1 Weak Form ofCoupled Balance Eq uations 377 XXII Contents 4.6.2.3.3 Damage Calculation 576 4.6.2.4 Approach ... Spectral Moments 577 4.6.2.4.1 StructuralAnalysis Using Power SpectralDensity (PSD) Functions 577 4.6.2.4.2 Analytical Counting Met hod . 578 4.6.2.4.3 Damage Accumula...

Ngày tải lên: 01/07/2014, 11:20

... is in- creased [ 174 , 171 , 479 , 478 ]. Experimental investigations by [ 171 , 172 ] show that the strength reduction is almost linearly related to the increase of porosity (Figure 3. 37) . 3.1 Phenomena ... Structures From extensive experimental investigations using accelerated test methods [ 170 , 173 , 174 , 171 , 3 67, 79 9], it was observed, that the amount of calcium dis- solved with...

Ngày tải lên: 01/07/2014, 11:20

... ⇒ ∂Y r ∂A ∂Y i ∂ω − ∂Y r ∂ω ∂Y i ∂A > 0 (5 .70 ) If eq. (5 .70 ) is satisfied, the oscillation is stable. Similarly, ∂Y r ∂A ∂Y r ∂ω + ∂Y i ∂A ∂Y i ∂ω = 0 ⇒ δω = 0 (5 .71 ) If the eq. (5 .71 ) is satisfied, the frequency ... left-hand side of the first of eq. (5 .71 ), the smaller the sensitivity of the oscillation frequency to an amplitude perturbation. Equations (5 .70 ) and (5 .71 ) can be...

Ngày tải lên: 08/08/2014, 03:20

Ngày tải lên: 11/08/2014, 07:23

... = StrOFF[i]; j++; } } TextStr2[ 17] = aChar; return 0; // Scan code and keystroke data processing // Display space if a system key case WM_SYSKEYDOWN: TextStr2[ 17] = 0x20; case WM_KEYDOWN: // Store ... 10; if(yCaret == 6) // in state: line xCaret = xLimit = 11; if(yCaret == 7) // in zip code: line xCaret = xLimit = 14; if(yCaret > 7) { // Enter key ignored on // last line yCaret ; } bre...

Ngày tải lên: 12/08/2014, 07:22

... ball screw driving motor must be fitted with a brake. Motor and load dynamics lit 77 ~ 6r 4 \\ \ \ ~.~ -7 0.2% ,/ ' ! ! I I J" i ~, 2r ! 0 Figure 4.12 Movement of ... gear ratio alone. For reducer ratios G and Go, the energies are JL JL~2 e 7GZ(Jm + ~_~)2 and co - 7G02(Jm + where 7 is a constant. Dividing e by e0 and rearranging gives the extra heating...

Ngày tải lên: 12/08/2014, 16:20

... Cl) Cl = mg1X11 + 77 zzg2~12 Cl(l + gclglX11) = ~lgclgixll + 77 ~2gz~12 Differentiation of cl with respect to m2 yields dc1 -= gzx12 dm2 1 + gelgAl1 - Ocr 4 FIG 7. 6. Each closed loop ... element of the matrix need be found: The matrix then takes on the appearance: g g+ (7. 8) (7. 9) (7. 10) (7. 11) (7. 12) For values of x less than 0.5, m, should be used for composit...

Ngày tải lên: 12/08/2014, 16:21

... 70 30 A 970 30 70 31 A 970 31 70 39 A 970 39 70 46 A 970 46 70 49 A 970 49 70 50 A 970 50 70 51 A 970 51 70 55 A 970 55 70 60 A 970 60 70 64 A 970 64 70 70 A 970 70 70 72 A 970 72 70 75 A 970 75 Lithium. This ... 676 3 A9 676 3 6863 A96863 6951 A96951 70 01 A 970 01 70 03 A 970 03 70 04 A 970 04 70 05 A 970 05 70 08 A 970 08 70 09 A 970 09 70 10 A...

Ngày tải lên: 13/08/2014, 05:20