Practical Ship Hydrodynamics Episode 7 pot

... 9.0 57. 0 9 918 21 472 33 74 2 43 660 36 809 7 464 71 5 0 0 0 0 0 0 0 0 0 0 9.0 10.1 75 .9 7 894 21 221 26 655 37 214 39 675 36 189 17 120 2 76 8 3 07 0 0 0 0 0 0 0 0 10.1 11.1 85.4 3 062 8 1 67 11 ... 9 47 4 72 6 4 1 17 3 062 2 318 215 0 0 0 0 0 13.2 14.6 97. 7 5 47 1 038 1 5 27 2 122 2 418 2 633 2 78 8 2 75 4 2 632 2 385 3 043 78 4 78 0 0 0 0 14.6 16.4 99.1 269 412 71...

Ngày tải lên: 13/08/2014, 09:20

... 7. 1.2 Numerical implementation 2 37 7. 2 Two-dimensional wave resistance problem 238 7. 2.1 Theory 238 7. 2.2 Numerical implementation 241 7. 3 Three-dimensional wave resistance problem 242 7. 3.1 ... problem 242 7. 3.1 Theory 242 7. 3.2 Numerical implementation 2 47 7. 4 Strip method module (two dimensional) 250 7. 5 Rankine panel method in the frequency domain 253 7. 5.1 Theor...

Ngày tải lên: 27/06/2014, 17:20

... ITTC 19 57 71 3.2.4 Method of Hughes Prohaska 73 3.2.5 Method of ITTC 1 978 74 3.2.6 Geosim method of Telfer 75 3.2 .7 Propulsion test 75 3.2.8 ITTC 1 978 performance prediction method 76 3.3 ... containerships and ro-ro ships model tests are often performed as part of the regular design process, as IMO regulations require Practical Ship Hydrodynamics Volker Bertram 6 Pra...

Ngày tải lên: 13/08/2014, 09:20

... debate over turbulence modelling for engineering applications, but for ship flows we will have to wait at least 20 Practical Ship Hydrodynamics full-scale will become available overcoming current uncertainties ... methods have no practical relevance for ship flows. The interested reader may find some introduction in Peyret and Taylor (1985). 1.4.3 Applications Practical CFD applica...

Ngày tải lên: 13/08/2014, 09:20

... solvers. The considerable speed-up of 50 Practical Ship Hydrodynamics The problem may be formulated as ž direct formulation (potential formulation); potential itself is the unknown ž indirect ... employed for ship flows, because they require very small time steps for the necessary very fine spatial discretization. A popular implicit scheme is the Crank–Nicholson scheme. 32 Practical...

Ngày tải lên: 13/08/2014, 09:20

... 66 Practical Ship Hydrodynamics ž Wave resistance The ship creates a typical wave system which contributes to the total resistance. ... wave pattern’. 60 Practical Ship Hydrodynamics form and even, as a last resort, diameter). However, the previous steps are not repeated and this step can be treated as a self-contained module. 7. Check ...  c :  c D T q 2 0.7R A p q 0.7R D 1...

Ngày tải lên: 13/08/2014, 09:20

... 0.6 0 .7 0.8 V 2 /( g . H ) 0.1 0.2 0.3 0.4 0.5 0.6 0 .7 0.8 0.9 √ A m / H 10% 9 8 7 6 5 4 3 2 1% 0.1% Figure 3.10 Percentage loss of speed in shallow water (Lackenby (1963)) 74 Practical Ship Hydrodynamics 0 ... P i .Thecoefficients CA i to CD i are determined 72 Practical Ship Hydrodynamics S is the wetted surface in calm water, V s the ship speed. The resistance coef- fic...

Ngày tải lên: 13/08/2014, 09:20

... 96 Practical Ship Hydrodynamics What is the resistance of a ship with L pp D 150 m if the ship is geometri- cally and dynamically similar to the base ship and the approach of ITTC’ 57 is used ... (bow immerses) of 106 Practical Ship Hydrodynamics the incident wave frequency ω. An exception are short following seas which are passed by the ship. The condition for the ship...

Ngày tải lên: 13/08/2014, 09:20

... distributions Section 4.4.6 treated ship reactions in stationary seaway. This chapter will cover probability distributions of ship reactions r during periods T with 142 Practical Ship Hydrodynamics However, ... motion of the cylinder: time average of n 33 Pu 3 Pu 3 D 1 2 n 33 ω e ju 3 j 2 144 Practical Ship Hydrodynamics For practical purposes, one tries to obtain quasi thre...

Ngày tải lên: 13/08/2014, 09:20

... 355 3 279 X 0 r 2 2 37 838 151  571 X 0 υ 2 1 598 1 346 696 2 879 X 0 v 2 u 0 1 833 2 463 2 559 X 0 υ 2 u 2 001 2 536 0 3 425 X 0 r 2 u 00 470 73 4 X 0 vr 9 478 7 170 3 175 4 6 27 X 0 vυ 1 ... 0. 278 m 0 14 622 11 432 6 399 6 76 5 x 0 G m 0 365 57 1 27 116 I 0 zz 76 6 573 329 319 X 0 Pu 1 077 1 064 0 0 X 0 Puu 2 5 284 0 0 0 X 0 u 2 2 17 2 559 1 320 4 336 X 0...

Ngày tải lên: 13/08/2014, 09:20