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Figure 33: Dynamic Pressure Distribution ofa 3·Blade Propeller The total pressure distribution is the dynamic pressure (symmetrical distribution) combined with static pressure (changed by water depth). CosmosWorks use the surface pressure result as an FEA input parameter to analysis the propeller's strength. The prcssurc result nceds to be loaded in thc flow condition first, and then bonded and centrifugal force features are considered in this FEA. Aftcr finishing settings, run the FEA simulation and Figure 34 displays the stress results ofthe propeller. 70
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A Rapid Development Process for Mar
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Table of Contents Abstract ... Ackn
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List ofTables Table I: Required Inp
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Figure 46: Surface Dynamic Pressure
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a long time to analyze, draw, fabri
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Simulation work is now commonly don
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Early theoretical analysis applied
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------------------------- provides
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As can be secn in Table I, the lift
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propeller geometry has to be entere
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avoid cavitation; however, it decre
Page 31: l" ........... ,... __ .... :l ,,_
Page 34: Table 2: Advantages and Disadvantag
Page 41 and 42: trend for many companies to reduce
Page 43 and 44: fluxes through a particular control
Page 45 and 46: known as a casting, is usually ejec
Page 47 and 48: Table 3: Prototyping Technology Mat
Page 49: quite accuratc for a testing level.
Page 54 and 55: For given values ofJ, Fn, Rn, En, t
Page 56: propeller geometry for impon into t
Page 59 and 60: Using OpenPVL_SW I a propeller desi
Page 64: o ...n".... 'Co 'OJ • • • DC)
Page 72 and 73: 3.3 Simulations using CosmosFloWork
Page 75 and 76: simulation domain are set to 6m and
Page 79: CosmosWorks can be used to check th
Page 87 and 88: Opcn a propeller geometry in SolidW
Page 91: • Assume the roughness is 0 micro
Page 95 and 96: Table 6: Simulation Results of the
Page 97 and 98: Figure 47: Stress Distribution ofth
Page 100: Chapter 5 Case Study: Simulation of
Page 109 and 110: procedures of a propeller design an
Page 111 and 112: The Stratasys FDM 2000 RP process r
Page 113: Figure 61: Sereenshot of Propeller
Page 116 and 117: Due to the accuracy limitation of t
Page 118 and 119: SolidWorks. This modification will
Page 120 and 121: 19J lIess, J.L. and Valarezo, W.O.,
Page 122 and 123: 1]2"1 Ali Kamrani, Emad Abouel Nasr
Page 124 and 125: The original OpenPVL code is availa
Page 128: end fprintf(fid,'%s %g %5 \n', 'Set
Page 133 and 134:
Set swSketehPt( 29 ) :=:: swModcl.C
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