刘俊峰-课程设计解析

1、船舶设计原理课程设计姓 名：刘俊峰班 级：运船1202学 号：201272039指导老师： 时 间：2014年12月24日1确定设计船主要尺度按照设计要求选取变化量，列入表1。表1:设讣船主要尺度母型船设计船变化率垂线间长Lpp/m27. 5027. 500型宽B/m5. 2005.20设计吃水d/m1.3501.350中横剖面系数G0. 7530. 7530棱形系数Cp0. 5980. 5685%浮心纵向坐标Xb/m-0. 5761-0. 54735%排水量/t89.685. 125%2母型船横剖面面积曲线（SAC）山邦戎曲线读出母型船设计吃水（133米）处的各站面积值，如表2。表2：母型船

2、设汁水线处各站横剖面积站号00.511. 5234面积A/m20. 03340. 34530. 61521. 02851. 56832. 37542. 5882厂96788.599.5102. 64282.41511. 84451. 14220.8140. 48240. 200303母型船SAC无因次化将母型船各站面积除以最大横剖面面积?丄，并将各站距船中的距离除以二分之AmO一水线间长丄得到如表3所示无因次结果：表3：母型船SAC无因次化结果It-1-0.9-0.8-0.7-0.6-0.4-0.2V2LPP力iO力mO0. 01260. 13070. 23280. 38920. 59340.

3、 89880. 979300.20.40.60.70.80.911. 00000.91380. 69790. 43220. 30800. 18250. 07580. 0000绘制母型船SAC曲线，如图1：0.80.60.40.2/,1 、/， 、V/ / /V 、X、/$1 X、 Y/12、.、I289450.80.60.40.20.20.40.60.84用“Lackenby”法绘制设计船SAC规定0-5站为后体，5-10站为前体。1) 由母型船的无因次化SAC在CAD中做面域可查得表4,其中下标f表示前 体，a表示后体。表4：母型船无因次化前后体棱形系数及浮心纵向坐标CpfOCpaOXbfO

4、XbaO0.54720.6480.3272-0.35372) 将母型船横剖面面积曲线改造为设计船横剖面面积曲线 按经验公式估算设计船前、后体棱形系数5和5:J C RCpf = Cp + (1.4 + Cp) 0. 5289lppC = C - (1.4 + C 汪0. 6073Lpp故前、后体棱形系数变化量：dCpf 二Cpf Cpf。二-0. 0183dC“ 二Cpa Cpao 二一0 0407 求辅助站位置 按照“Lackenby”法，有场i = (1 一 xXidCpCp(1 - 2Xbf) dXm = (1 - X)XjdCaCa(l 2Xba) 得到各辅助站距离X如表5：表5：各辅

5、助站距离站号00.511.5234X-1-0.9-0.8-0. 7-0.6-0. 4-0.2X-1.0000-0.8794-0.7633-0.6519-0.5450-0.3450-0.163356788.599.51000.20. 10.60. 70.80.910.00000.1840037600.57600.67900.78400.89101.0000以新得到的X为横坐标，纵坐标保持不变，可得到设计船的横剖面面积曲线SAC 无因次化，如图2：10.80.60.40.2010.80.60.40.200.20.40.60.81 校核设计船横剖面面积曲线的5和Xb在CAD作图，创建面域，查询得到面

6、积及质心横坐标。0.90.30.70.60.50.40.30.20.102345678910二者与实际的误差分别为0. 14%与21. l%o浮心纵向坐标实际值与设定值相差在 很大，需要用迁移法修正，满足要求。 用迁移法进行浮心纵向坐标的调整横坐标/Lwl-O.5OOO-0.4397-0.38170.3259-0.2725-0.1725-0.0817Ai/Am0.01260.13070.2328038920.59340.89880.9793横坐标移 动值0.00010.00150.00270.00450.00690.01040.0114Ai对应横 坐标-0.5001-0.4412-0.3844

7、-03304-0.2794-0.1829-0.09300.00000.09200.18800.288003395039200.44550.50001.00000.91380.69790.4322030800.18250.07580.00000.01160.01060.00810.00500.00360.00210.00090.0000-0.01160.08140.17990.283003359038990.44460.5000012315678910此时，浮心纵向坐标的误差调整为0. 08%o5母型船型值表无因次化1）将相应值分别除以，,得到母型船型值表的无因次值。表6：母型船无因次化型值表各

8、站距艸-0.5000-0.4500-0.4000-0.3500-0.3000-0.2000站号0.50001.00001.50002.00003.0000基线0.00000.1269水线0.25000.3883水线0.50000.25000.6288水线0.75000.19230.57690.7923水线1.00000.18120.65770.79310.8846水线1.15000.29220.71520.79820.85540.9201水线1.25000.69650.80760.84410.88710.9385水线1.35000.70120.79880.84100.87240.91040.9

9、538水线1.40000.78440.82210.85490.S8420.91960.9608水线1.50000.82500.85000.87850.90540.93630.97311水线1.75000.88130.90340.92350.94670.96790.9923水线2.00000.92740.94270.95710.97310.98751.0000水线2.25000.96770.97430.98400.99081.00001.0000水线2.50001.00001.00001.00001.00001.00001.0000-0.10000.00000.10000.20000.30000

10、.35000.40000.45000.50004.00005.00006.00007.0000&0000&50009.00009.500010.00000.10770.03080.49620.51920.41920.25000.10770.06510.03260.72690.76920.71150.50960.27500.18460.09650.03080.85000.88080.82500.63850.39620.27650.15790.05890.92880.94670.90030.73400.48460.35380.21550.09230.95740.97100.93050.77690.

11、53220.39570.24950.11440.97120.98140.94550.80150.56150.42250.27310.13080.98270.98850.95770.82350.58850.44900.29730.14910.00810.98740.99140.96300.83390.60150.46230.30890.15920.01390.99420.99620.97120.85200.62690.48880.33370.18080.02691.00001.00000.98780.89230.68790.55790.40000.24200.07221.00001.00001.

12、00000.92390.74750.62800.47310.31100.12521.00001.00001.00000.95120.80560.69580.5500038270.18631.00001.00001.00000.97310.86310.76540.63220.46150.25382）绘制母型船无因次化半宽水线图图3：母型船无因次化半宽水线图3）通过之前计算的各站处dx,在母型船的无因次型值表上插岀设计船的无因次 化半宽水线图。图4：设计船无因次化半宽水线图6设计船型值表1）从设计船无因次化的半宽水线图中插值得出各水线的设计船无因次化型值表, 并进行有因次化。表7：设讣船无因次化型

13、值表各站距肿-0.5000-0.4500-0.4000-0.3500-0.3000-0.2000站号0.50001.00001.50002.00003.0000基线0.000003289水线0.25000.8975水线0.50000.46701.5577水线0.7500037291.19942.0116水线1.00000.32141.44951.96012.2690水线1.15000.60251.77032.00512.16922.3676水线1.25001.72172.05502.16112.25992.4203水线1.35001.82392.05112.16162.23632.32702.

14、4630水线1.40002.03972.12292.20042.26882.35352.4820水线1.50002.14532.19932.2636232702.40192.5160水线1.75002.2916234052.38602.43832.49522.5722水线2.00002.41122.44532.47752.51422.55322.5940水线2.25002.51602.53012.55192.56882.58702.6000水线2.50002.60002.60002.60002.60002.60002.6000-0.10000.00000.10000.20000.30000.3

15、5000.40000.45000.50004.00005.00006.00007.00008.00008.50009.00009.500010.00000.28910.08001.27611.34241.00830.56580.24050.14590.06971.87281.99811.79091.18660.63930.41760.21630.06762.19882.28722.08861.53270.93260.63620.36040.13342.40712.45802.29271.78521.15470.82650.49870.21162.48252.52122.37641.90351.

16、27480.93080.58210.26652.51912.54852.41851.97261.34940.99890.64060.30892.55032.56672.45442.03501.41911.06730.70070.35180.02112.56312.57452.47002.06491.45341.10110.7303037700.03612.58212.58732.49392.11851.52071.16970.79380.43160.06992.59922.59952.54542.23811.68641.35040.96410.58840.18762.60002.60002.5

17、6152.32991.85091.53761.15340.76540.32562.60002.60002.58442.42482.00981.72121.35360.94930.48432.60002.60002.59512.49732.17181.91021.56961.15150.66002）作横剖线图，如图5。图5：设计船横剖线图BODY PLAN2500225020001750750500250BASE LINE2600 200015001000 50050010001500 200026003）从中插值得出设计船的型值表。以毫米为单位并进行取整。表6设计船型值表吃水尾端点 距肿尾端点

18、半宽半宽半宽半宽半宽半宽半宽半宽站号00.511.5234船底-67253677808080808080基线0-742150329289水线250-8017508981276水线500-87725046715581873水线750-992850373119920122199水线1000-11177503211450196022692407水线1150-128665060317702005216923682482水线1250-1372769172220552161226024202519水线1350-1375018411824205121622236232724632550水线1400-1376

19、120392040212322002269235424822563水线1500-13784214521452199226423272402251625821水线1750-1384022922292234123862438249525722599水线2000-1389724112411244524782514255325942600水线2250-1395325162516253025522569258726002600水线2500-1400926002600260026002600260026002600主甲板-1398225522552258525852595260026002600上甲板-1

20、411626002600260026002600260026002600主甲 板高23602360230022602215219021302100上甲 板高29502950290028602815279027302690各站 距肿-1375012375-11000-9625-8250-5500-2750半宽半宽半宽半宽半宽半宽半宽半宽首端点半宽首端点距肿56788.599.5108080807060503010301212580300134210085662411467030122501998179111876394182166830128902287208915339336363601333

21、013225245822931785115582749921230134702521237619031275931582267501359025492419197313499996413095013680256724542035141910677013522150137502575247020651453110173037736241378625872494211815211170794432704113850259925452238168613509645881887713994260025622330185115381153765326109141582600258424252010172113549494841621430626002595249721721910157011526602331447226002600246521431916162012788163241471926002600260024992390219019201492657153452100213522102330240024802580269027952700273528302925301031303270341036000275055008250962511000