ASAQ基础培训PPT学习教案

1、会计学1ASAQ基础培训基础培训2021-9-27重要第1页/共80页2021-9-27第2页/共80页2021-9-27LIBRIUMFERNAUTDRIFTLINE模块之间相互关系模块之间相互关系WAVEASAS(FE model) 波浪力波浪力通过通过wave传递波浪力传递波浪力频域分析法频域分析法时域分析法时域分析法运动响应运动响应变形响应变形响应第3页/共80页2021-9-27AQWA模块介绍LIBRIUMWAVEASAS(FE model) 模块之间相互关系模块之间相互关系ANSYSAGSFERNAUTDRIFTLINEEXCELFEMGVDAY1第4页/共80页2021-9-2

2、7第5页/共80页2021-9-27第6页/共80页2021-9-27Moored TankerSemi Sub典型典型AQWA 模型模型第7页/共80页2021-9-27TransportationFPSOSparShip in channel典型典型AQWA模型模型第8页/共80页2021-9-27ANSYS-to-AQWA 界面界面第9页/共80页2021-9-27AGS 型线网格生成型线网格生成第10页/共80页2021-9-27Force & Response CurvesShear Force & Bending MomentAGS 后处理工具后处理工具第11页/共80页2021-

3、9-27Pressure contourWave surface contour船体周围浪的变化形式。Diffracted wave surface势表面以下的压力变化AGS 后处理后处理第12页/共80页2021-9-27第13页/共80页2021-9-270zyW.L.x第14页/共80页2021-9-27X axisWave direction (or current, wind)positive angle入射波波角Y第15页/共80页2021-9-27yxvq第16页/共80页2021-9-27第17页/共80页2021-9-27第18页/共80页2021-9-27第19页/共80页

4、2021-9-27第20页/共80页2021-9-27第21页/共80页2021-9-27第22页/共80页2021-9-27第23页/共80页2021-9-27第24页/共80页2021-9-27第25页/共80页2021-9-27第26页/共80页2021-9-27DVVCCXFda5 . 0)1 (.第27页/共80页2021-9-27Fluid forceHydrodynamicHydrostaticFixed structure in wavesAmbient pressure (incident wave or Froude-Krylov force)Effect of struc

5、ture on waves (Diffraction)Moving structure in still water (Radiation force)In-phase (Added Mass)Out-of-phase(Radiation damping)F()K.xMa().xC().x第28页/共80页2021-9-27第29页/共80页2021-9-27第30页/共80页2021-9-27)(02V0).(nVs第31页/共80页2021-9-2702gzwatershallowforbedseadzatzwaterdeepforzwhen)(00第32页/共80页2021-9-27po

6、tentialorder 2nd.Momentum.onAccelerati).(BegralWaterline)cos(.000)2(.214141)(SjisjiSjiSWLjijiijdSntXgRMdSntXdSndlngP)(ijQ 同上表达式同上表达式第33页/共80页2021-9-27tp第34页/共80页2021-9-27第35页/共80页2021-9-27SdpdSVVdtVSdpdVdtdFRRRSnSnSnstrc)2(第36页/共80页2021-9-27.0202)2(.).(5.05.0gsSSWLrstrcXRMdSntXdSndlngF第3

7、7页/共80页2021-9-27第38页/共80页2021-9-27第39页/共80页2021-9-27第40页/共80页2021-9-27第41页/共80页2021-9-27第42页/共80页2021-9-27第43页/共80页2021-9-27第44页/共80页2021-9-27第45页/共80页2021-9-27第46页/共80页2021-9-27第47页/共80页2021-9-27第48页/共80页2021-9-27第49页/共80页2021-9-27第50页/共80页2021-9-27第51页/共80页2021-9-27第52页/共80页2021-9-27第53页/共80页2021-

8、9-27JOB MESH LINETITLE MESH FROM LINES PLANS/SCALINGOPTIONS REST ENDRESTART 1 2 01 COOR 01 1 45.000 -45.000 0.000 01 2 22.500 -45.000 0.000 . . . 01 511 146.000 0.000 0.000 . . . END01 999 0.000 0.000 -10.620 02 ELM1 02SYMX 02QPPL DIFF 0 (1)( 1)( 2)( 12)( 11) . . . . 02QPPL 0 (1)( 1)( 101)( 103)( 3)

9、 . . . . END02PMAS 0 (1)( 999)( 1)( 1) 02 FINIDeck 0: overall admin. Parameter全局控制Deck 1: 节点坐标定义* 999 for PMAS node质量单元Deck 2: Element 定义分析段指定Symx：只对表面单元有效。如果有其它单元，要建立整体模型单元。第54页/共80页2021-9-27013307 168.643 20.426 10.014Nod50199999 168.643 20.426 10.014第55页/共80页2021-9-27 03 MATE END03 1 3.32100E8 0.

10、000000 0.000000 04 GEOM END04PMAS 1 3.6253E11 0.000000 0.000000 3.4199E11 0.000000 3.5991E11 05 GLOB 05DPTH 250.0 05DENS 1025.0 END05ACCG 9.806 06 FDR1 06FREQ 1 6 0.10472 0.15708 0.25133 0.41888 0.52360 0.59840 END06DIRN 1 3 0.00 45.00 90.00 07 WFS1 END07ZCGE -10.6200 08 NONEDeck 5: 定义分析单位制全局变量 see

11、App. A定义波浪入射角度（度）和频率, 升阶Deck 3: 定义材料参数定义重心位置相对水线面位置第56页/共80页2021-9-27第57页/共80页2021-9-27第58页/共80页2021-9-27第59页/共80页2021-9-27第60页/共80页2021-9-27Deck Header (compulsory)Depth, G, (water): UNITSAQWA stage1介绍第61页/共80页2021-9-27第62页/共80页2021-9-27第63页/共80页2021-9-27碟形单元碟形单元第64页/共80页2021-9-27AQWA stage2介绍第65页/

12、共80页2021-9-27第66页/共80页2021-9-27第67页/共80页2021-9-27第68页/共80页2021-9-27第69页/共80页2021-9-27第70页/共80页2021-9-27Wave surface contour plotsNote: LDOP card in ALTANK2.dat file run AGS (1) double click AGS icon on screen; (2) File Open to input ALTANK2.res file; (3) Plots to show the model; (4) Wave Contours to

13、 show or calculate wave contour if not existing; (5) choose required waves (dir. freq. in Wave Surface Contours window); (6) Tick Cycle to animate; (7) Point Cursor to a specified location to show the digital value at that point.第71页/共80页2021-9-27第72页/共80页2021-9-27第73页/共80页2021-9-27 Diffracted Wave

14、Surface输出文件说明查看aqwaline.pdf第七章。Note: LDOP card in AL*.dat file run AGS (1) double click AGS icon on screen; (2) File Open to input AL*.res file; (3) Plots to show the model; (4) Select (in Model Visualization window) Pressure Contours; (5) choose required waves (dir. freq. in Pressure Contours windo

15、w) Time=t to animate; (6) View Angle (in Pressure Contours window) Choose view angle (in Contour View Angle window) (7) Option (in Pressure Contours window) Wave Amplitude & Diffracted Wave Surface (in Hull Contours / Diffracted Wave Option window); (8) Select (in Model Visualization window) Sequenc

16、e (9) Start Sequence (in Define Sequence window) Stop Sequence Record Every第74页/共80页2021-9-27第75页/共80页2021-9-27第76页/共80页2021-9-27Warnings in AQWA LINE runGeneral warnings requirements reasonNo. of elements 12000solution timeNormals point out modelling conventionNo gapsforce balanceFacets cannot cut

17、surface solution requirementDimensions KR good practice第77页/共80页2021-9-27Warnings in AQWA LINE runStage #1 checks (Geometric properties)Area ratio of adjacent elements , Element centres at least one facet radius apart 。单元中心距离大于。单元中心距离大于rjShape factor (scale for the regularity of panel) 0.2 warning 0.02 fatal errorNote: See AQWA-Course Appendix 3 for detail CsidelongestareaAR.2 arearf 第78页/共80页2021-9-27Warnings in AQWA LINE runStage #