*HEADING : DYNAMIC PRESSURE AND CLOSED-END BUOYANCY [PIPE31] AIRY WAVES AND *DYNAMIC PROCEDURE -- 50 ELEMENTS WITH PB AND PARTIAL SUBMERGENCE -- 1 ELEMENT WITH TSB EPR SOLUTION: 8307 LBS., TOTAL MAX. VERTICAL LOAD ABAQUS SOLUTION: 8310 LBS., TOTAL MAX. VERTICAL LOAD *********** ** /Post journal file: ** ** results,fil=.fil ** read curve,name=rf_pb ,var=rf3,node=n_pb,sum ** read curve,name=rf_tsb,var=rf3,node=500 ** disp ** rf_pb ** rf_tsb ** *********** *********** ** Aqua parameters: ** ** Water depth - 1000 ** Seabed - 100 ** Still water - 1100 ** Steady current - (0,0,0) No steady current ** Density - 2.0 ** Gravity const - 32.2 ** *AQUA 100., 1100., 32.2, 2.0 0., 0., 0., 0. 0., 0., 0., 1100. *********** *********** ** Wave parameters (Airy): ** ** Wave amplitude - 50 (height = 100) ** Wave period - 15 ** Phase angle - 0 ** Wave direction - (1,0,0) ** *WAVE,TYPE=AIRY,WAVE PERIOD 50,15.,0., 1.,0.,0. *********** *********** *NODE 1,0.,0.,1000. 51,0.,0.,1175. *NODE,NSET=N_TSB 500,0.,0.,1000. 501,0.,0.,1001. *NGEN,NSET=N_PB 1,51,1 *ELEMENT,TYPE=PIPE31 1,1,2 *ELGEN,ELSET=E_PB 1,50,1,1 *BOUNDARY N_PB,1,6 ******************************************* **DESCRIBE SURFACE SECTION FOR AQUA WAVE VISUALIZATION ******************************************* *NODE 9001, -200, -150, 1100 9030, 200, -150, 1100 9031, -200, -130, 1100 9060, 200, -130, 1100 9061, -200, -110, 1100 9090, 200, -110, 1100 9091, -200, -90, 1100 9120, 200, -90, 1100 9121, -200, -70, 1100 9150, 200, -70, 1100 9151, -200, -50, 1100 9180, 200, -50, 1100 9181, -200, -30, 1100 9210, 200, -30, 1100 9211, -200, -10, 1100 9240, 200, -10, 1100 9241, -200, 10, 1100 9270, 200, 10, 1100 9271, -200, 30, 1100 9300, 200, 30, 1100 9301, -200, 50, 1100 9330, 200, 50, 1100 9331, -200, 70, 1100 9360, 200, 70, 1100 9361, -200, 90, 1100 9390, 200, 90, 1100 9391, -200, 110, 1100 9420, 200, 110, 1100 *NGEN, NSET=NAQUA 9001, 9030, 1 9031, 9060, 1 9061, 9090, 1 9091, 9120, 1 9121, 9150, 1 9151, 9180, 1 9181, 9210, 1 9211, 9240, 1 9241, 9270, 1 9271, 9300, 1 9301, 9330, 1 9331, 9360, 1 9361, 9390, 1 9391, 9420, 1 *ELEMENT, TYPE=SFM3D4R, ELSET=AQUAVIZ 9001, 9001, 9002, 9032, 9031 *ELGEN, ELSET = AQUAVIZ 9001, 29, 1, 1, 13, 30, 30 *SURFACE SECTION, ELSET = AQUAVIZ, AQUAVISUALIZATION = YES ******************************************* *RESTART,WRITE,FREQ=10 *BEAM SECTION,SECTION=PIPE,MATERIAL=MAT1,ELSET=E_PB 1.0,0.25 0.,-1.,0. *ELEMENT,TYPE=B31,ELSET=CLOAD 500,500,501 *BEAM SECTION,SECTION=CIRC,MATERIAL=MAT1,ELSET=CLOAD 1.0, 0.,-1.,0. *BOUNDARY 500,1,6 *MATERIAL,NAME=MAT1 *ELASTIC 1.E6, *DENSITY 1.0E6, ** ------------------------------------------- ** Dynamic pressure test. ** ------------------------------------------- *STEP,NLGEOM,INC=1000 Dynamic pressure test. *DYNAMIC,DIRECT .2,15 *DLOAD E_PB,PB, 1.0 , 1.1283792 **el,PB, amag0, Diameter (2/sqrt(pi) = area of 1) *CLOAD 500, TSB, 1.0, 1.0, 0.,0.,-1. **node,TSB,amag0,area, normal *NODE PRINT,TOTAL=YES,NSET=N_PB RF, *NODE PRINT,NSET=N_TSB RF, *NODE FILE,FREQ=10 RF, *ENERGY FILE,FREQ=10 *EL PRINT,FREQ=0 *OUTPUT, FIELD, NUMBER INTERVAL = 50 *NODE OUTPUT U *END STEP