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Copy pathAnsys_beam.py
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Ansys_beam.py
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# -*- coding: utf-8 -*-
"""
Created on Mon Aug 31 17:46:47 2015
@author: Johan Antonissen ([email protected])
"""
from math import pi,sqrt
from parts import Input_data, Tower, Jacket
class nodebuilder:
def __init__(self,wireframe):
self.wireframe=wireframe
self.jointlist=[]
self.sleevelist=[]
def compute(self):
self.build_joints()
self.build_sleeves()
return self.jointlist,self.sleevelist
def build_joints(self):
jointlist=[]
wireframe=self.wireframe
for bay in range(len(wireframe)):
if bay == 0:
jointlist.append([])
z=wireframe[0][1]+wireframe[0][6]
W_bay=wireframe[0][3]
for i in range(4):
if i == 0:
#joint 1
x,y=-W_bay/2.0,-W_bay/2.0
jointlist[0].append([x,y,z])
elif i == 1:
#joint 2
x,y=W_bay/2.0,-W_bay/2.0
jointlist[0].append([x,y,z])
elif i == 2:
#joint 3
x,y=W_bay/2.0,W_bay/2.0
jointlist[0].append([x,y,z])
elif i == 3:
#joint 4
x,y=-W_bay/2.0,W_bay/2.0
jointlist[0].append([x,y,z])
jointlist.append([])
z=wireframe[bay][6]
W_bay=wireframe[bay][4]
for i in range(4):
if i == 0:
#joint 1
x,y=-W_bay/2.0,-W_bay/2.0
jointlist[bay+1].append([x,y,z])
elif i == 1:
#joint 2
x,y=W_bay/2.0,-W_bay/2.0
jointlist[bay+1].append([x,y,z])
elif i == 2:
#joint 3
x,y=W_bay/2.0,W_bay/2.0
jointlist[bay+1].append([x,y,z])
elif i == 3:
#joint 4
x,y=-W_bay/2.0,W_bay/2.0
jointlist[bay+1].append([x,y,z])
self.jointlist=jointlist
def build_sleeves(self):
sleevelist=[]
wireframe=self.wireframe
jointlist=self.jointlist
for bay in range(len(wireframe)):
sleevelist.append([])
nodetop=jointlist[bay]
nodebot=jointlist[bay+1]
ztopleg=nodetop[0][2]-(nodetop[0][2]-nodebot[0][2])/5.0
zbotleg=nodetop[0][2]-4*(nodetop[0][2]-nodebot[0][2])/5.0
ztopbrace=nodetop[0][2]-(nodetop[0][2]-nodebot[1][2])/5.0
zbotbrace=nodetop[0][2]-4*(nodetop[0][2]-nodebot[1][2])/5.0
for i in range(4):
xtopleg=nodetop[i][0]-(nodetop[i][0]-nodebot[i][0])/5.0
xbotleg=nodetop[i][0]-4*(nodetop[i][0]-nodebot[i][0])/5.0
ytopleg=nodetop[i][1]-(nodetop[i][1]-nodebot[i][1])/5.0
ybotleg=nodetop[i][1]-4*(nodetop[i][1]-nodebot[i][1])/5.0
if i != 3:
xtopbraceL=nodetop[i][0]-(nodetop[i][0]-nodebot[i+1][0])/5.0
xbotbraceL=nodetop[i][0]-4*(nodetop[i][0]-nodebot[i+1][0])/5.0
ytopbraceL=nodetop[i][1]-(nodetop[i][1]-nodebot[i+1][1])/5.0
ybotbraceL=nodetop[i][1]-4*(nodetop[i][1]-nodebot[i+1][1])/5.0
xtopbraceR=nodetop[i+1][0]-(nodetop[i+1][0]-nodebot[i][0])/5.0
xbotbraceR=nodetop[i+1][0]-4*(nodetop[i+1][0]-nodebot[i][0])/5.0
ytopbraceR=nodetop[i+1][1]-(nodetop[i+1][1]-nodebot[i][1])/5.0
ybotbraceR=nodetop[i+1][1]-4*(nodetop[i+1][1]-nodebot[i][1])/5.0
else:
xtopbraceL=nodetop[i][0]-(nodetop[i][0]-nodebot[0][0])/5.0
xbotbraceL=nodetop[i][0]-4*(nodetop[i][0]-nodebot[0][0])/5.0
ytopbraceL=nodetop[i][1]-(nodetop[i][1]-nodebot[0][1])/5.0
ybotbraceL=nodetop[i][1]-4*(nodetop[i][1]-nodebot[0][1])/5.0
xtopbraceR=nodetop[0][0]-(nodetop[0][0]-nodebot[i][0])/5.0
xbotbraceR=nodetop[0][0]-4*(nodetop[0][0]-nodebot[i][0])/5.0
ytopbraceR=nodetop[0][1]-(nodetop[0][1]-nodebot[i][1])/5.0
ybotbraceR=nodetop[0][1]-4*(nodetop[0][1]-nodebot[i][1])/5.0
sleevelist[bay].append([[xtopleg,ytopleg,ztopleg],[xbotleg,ybotleg,zbotleg],[xtopbraceL,ytopbraceL,ztopbrace],[xbotbraceL,ybotbraceL,zbotbrace],[xtopbraceR,ytopbraceR,ztopbrace],[xbotbraceR,ybotbraceR,zbotbrace]])
self.sleevelist=sleevelist
class nodewriter:
def __init__(self,wireframe,jointlist,sleevelist):
self.wireframe=wireframe
self.jointlist=jointlist
self.sleevelist=sleevelist
self.nodecount=0
def compute(self):
wireframe=self.wireframe
jointlist=self.jointlist
sleevelist=self.sleevelist
text=open('ANSYS-beam188.txt','w')
text.truncate()
text.write('!THIS FIILE IS USED AS INPUT FILE FOR ANSYS TO BUILD A BEAM180 JACKET'+'\n')
text.write('/TITLE, Jacket BEAM188'+'\n')
text.write('/PREP7'+'\n')
text.write('\n'+'!Keypoints'+'\n')
nodecounter=0
for bay in range(len(wireframe)):
for i in range(4):
#Nodes at top bay
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(jointlist[bay][i][0])+','+str(jointlist[bay][i][1])+','+str(jointlist[bay][i][2])+'\n')
for i in range(4):
#Nodes at top leg sleeves
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(sleevelist[bay][i][0][0])+','+str(sleevelist[bay][i][0][1])+','+str(sleevelist[bay][i][0][2])+'\n')
#Nodes at top brace sleeves left
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(sleevelist[bay][i][2][0])+','+str(sleevelist[bay][i][2][1])+','+str(sleevelist[bay][i][2][2])+'\n')
#Nodes at top brace sleeves right
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(sleevelist[bay][i][4][0])+','+str(sleevelist[bay][i][4][1])+','+str(sleevelist[bay][i][4][2])+'\n')
for i in range(4):
#Nodes at bottom leg sleeves
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(sleevelist[bay][i][1][0])+','+str(sleevelist[bay][i][1][1])+','+str(sleevelist[bay][i][1][2])+'\n')
#Nodes at bottom brace sleeves left
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(sleevelist[bay][i][5][0])+','+str(sleevelist[bay][i][5][1])+','+str(sleevelist[bay][i][5][2])+'\n')
#Nodes at bottom brace sleeves right
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(sleevelist[bay][i][3][0])+','+str(sleevelist[bay][i][3][1])+','+str(sleevelist[bay][i][3][2])+'\n')
if bay == len(wireframe)-1:
for i in range(4):
#Nodes at bottom bay
nodecounter=nodecounter+1
text.write('k,'+str(nodecounter)+','+str(jointlist[bay+1][i][0])+','+str(jointlist[bay+1][i][1])+','+str(jointlist[bay+1][i][2])+'\n')
text.close()
self.nodecount=nodecounter
return self.nodecount
class elementwriter:
def __init__(self,jacketlist,sleevelist,nodecount,Ed):
self.Ed=Ed
self.nodecount=nodecount
self.jacketlist=jacketlist
self.sleevelist=sleevelist
def area(self,D,wt):
return pi/4.0*(D**2-(D-2*wt)**2)
def compute(self):
text=open('ANSYS-beam188.txt','a')
text.write('\n'+'!ELEMENTS'+'\n')
jacketlist=self.jacketlist
sleevelist=self.sleevelist
baycount=len(jacketlist)
typecounter=1
#First we create libraries containing data for the elements
text.write('\n'+'!Element type creation'+'\n')
text.write('mp,ex,'+str(typecounter)+','+str(self.Ed)+'\n')
text.write('mp,prxy,'+str(typecounter)+',0.3'+'\n')
text.write('mp,dens,'+str(typecounter)+',0'+'\n'+'\n')
for bay in range(baycount):
Dleg=jacketlist[bay][0]
wtleg=jacketlist[bay][2]
Dbrace=jacketlist[bay][1]
wtbrace=jacketlist[bay][3]
Dlegsleeve=jacketlist[bay][0]
wtlegsleeve=jacketlist[bay][2]+sleevelist[bay][0]
Dbracesleeve=jacketlist[bay][1]
wtbracesleeve=jacketlist[bay][3]+sleevelist[bay][1]
#Aleg=self.area(jacketlist[bay][0],jacketlist[bay][2])
#Abrace=self.area(jacketlist[bay][1],jacketlist[bay][3])
#Alegsleeve=self.area(jacketlist[bay][0],jacketlist[bay][2]+sleevelist[bay][0])
#Abracesleeve=self.area(jacketlist[bay][1],jacketlist[bay][3]+sleevelist[bay][1])
for i in range(4):
if i == 0:
#A=Alegsleeve #ET1
Rout=Dlegsleeve/2.0
Rin=Rout-wtlegsleeve
Name='LEGSL0000'+str(bay)
elif i == 1:
#A=Abracesleeve #ET2
Rout=Dbracesleeve/2.0
Rin=Rout-wtbracesleeve
Name='BRACESL00'+str(bay)
elif i == 2:
#A=Aleg
Rout=Dleg/2.0
Rin=Rout-wtleg
Name='LEG000000'+str(bay)
elif i == 3:
#A=Abrace
Rout=Dbrace/2.0
Rin=Rout-wtbrace
Name='BRACE0000'+str(bay)
text.write('ET,'+str(typecounter)+',beam188'+'\n')
text.write('SECTYPE,'+str(typecounter)+',beam,ctube,'+Name+'\n')
text.write('SECDATA,'+str(Rin)+','+str(Rout)+'\n')
typecounter=typecounter+1
text.write('\n'+'!Element creation'+'\n')
#Then we create the elements and attach the data to them
Lnum=0
for bay in range(baycount):
#Top leg sleeve element creation
text.write('\n'+'!leg sleeve'+'\n')
text.write('TYPE,'+str(4*bay+1)+'\n')
text.write('SECNUM,'+str(4*bay+1)+'\n')
#text.write('REAL,'+str(4*bay+1)+'\n')
text.write('MAT,'+str(1)+'\n')
for i in range(4):
text.write('L,'+str(bay*28+i+1)+','+str(bay*28+3*i+5)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Top brace sleeve element creation
text.write('\n'+'!brace sleeve'+'\n')
text.write('TYPE,'+str(4*bay+2)+'\n')
text.write('SECNUM,'+str(4*bay+2)+'\n')
#text.write('REAL,'+str(4*bay+2)+'\n')
text.write('MAT,'+str(1)+'\n')
for i in range(4):
#Left brace
text.write('L,'+str(bay*28+i+1)+','+str(bay*28+3*i+6)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Right brace
if i != 3:
text.write('L,'+str(bay*28+i+2)+','+str(bay*28+3*i+7)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
else:
text.write('L,'+str(bay*28+i-3+1)+','+str(bay*28+3*i+7)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Leg element creation
text.write('\n'+'!leg'+'\n')
text.write('TYPE,'+str(4*bay+3)+'\n')
text.write('SECNUM,'+str(4*bay+3)+'\n')
#text.write('REAL,'+str(4*bay+3)+'\n')
text.write('MAT,'+str(1)+'\n')
for i in range(4):
text.write('L,'+str(bay*28+3*i+5)+','+str(bay*28+3*i+17)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Brace element creation
text.write('\n'+'!brace'+'\n')
text.write('TYPE,'+str(4*bay+4)+'\n')
text.write('SECNUM,'+str(4*bay+4)+'\n')
#text.write('REAL,'+str(4*bay+4)+'\n')
text.write('MAT,'+str(1)+'\n')
for i in range(4):
#Left brace
text.write('L,'+str(bay*28+3*i+6)+','+str(bay*28+3*i+19)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Right brace
if i != 3:
text.write('L,'+str(bay*28+3*i+7)+','+str(bay*28+3*i+18)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
else:
text.write('L,'+str(bay*28+3*i+7)+','+str(bay*28+3*i+18)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Bot leg sleeve element creation
text.write('\n'+'!leg sleeve'+'\n')
text.write('TYPE,'+str(4*bay+1)+'\n')
text.write('SECNUM,'+str(4*bay+1)+'\n')
#text.write('REAL,'+str(4*bay+1)+'\n')
text.write('MAT,'+str(1)+'\n')
for i in range(4):
text.write('L,'+str(bay*28+3*i+17)+','+str(bay*28+i+29)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Bot brace sleeve element creation
text.write('\n'+'!brace sleeve'+'\n')
text.write('TYPE,'+str(4*bay+2)+'\n')
text.write('SECNUM,'+str(4*bay+2)+'\n')
#text.write('REAL,'+str(4*bay+2)+'\n')
text.write('MAT,'+str(1)+'\n')
for i in range(4):
#Left brace
text.write('L,'+str(bay*28+3*i+18)+','+str(bay*28+i+29)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
#Right brace
if i != 3:
text.write('L,'+str(bay*28+3*i+19)+','+str(bay*28+i+30)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
else:
text.write('L,'+str(bay*28+3*i+19)+','+str(bay*28+i-3+29)+'\n')
Lnum=Lnum+1
text.write('Lmesh,'+str(Lnum)+','+str(Lnum)+'\n')
text.close()
class loadbuilder:
def __init__(self,wireframe,tower_loads,jacket_env_loads,jacket_grav_loads):
self.wireframe=wireframe
self.tower_loads=tower_loads
self.jacket_env_loads=jacket_env_loads
self.jacket_grav_loads=jacket_grav_loads
self.planeloads=[]
def compute(self):
self.load_creator()
self.load_writer()
def load_creator(self):
wireframe=self.wireframe
L_tower=self.tower_loads
L_jacket_e=self.jacket_env_loads
L_jacket_g=self.jacket_grav_loads
bays=len(wireframe)
planeloads=[]
for bay in range(bays):
if bay == 0:
planeloads.append([[[],[]],[[],[]],[[],[]]])
planeloads.append([])
for LC in range(3):
planeloads[bay+1].append([])
for angle in range(2):
planeloads[bay+1][LC].append([])
for node in range(4):
if bay == 0:
Fx_tower=abs(L_tower[LC][0])
Fz_tower=abs(L_tower[LC][2])
My_tower=abs(L_tower[LC][4])
if angle == 0:
if (node == 0) or (node == 3):
Fx=Fx_tower/4.0
Fy=0.0
Fz=-Fz_tower/4.0+My_tower/(2.0*wireframe[bay][3])
planeloads[bay][LC][angle].append([int(Fx),int(Fy),int(Fz)])
elif (node == 1) or (node == 2):
Fx=Fx_tower/4.0
Fy=0.0
Fz=-Fz_tower/4.0-My_tower/(2.0*wireframe[0][3])
planeloads[bay][LC][angle].append([int(Fx),int(Fy),int(Fz)])
elif angle == 1:
if node == 0:
Fx=1/sqrt(2)*Fx_tower/4.0
Fy=1/sqrt(2)*Fx_tower/4.0
Fz=-Fz_tower/4.0+My_tower/(wireframe[0][3]*sqrt(2))
planeloads[bay][LC][angle].append([int(Fx),int(Fy),int(Fz)])
elif (node == 1) or (node == 3):
Fx=1/sqrt(2)*Fx_tower/4.0
Fy=1/sqrt(2)*Fx_tower/4.0
Fz=-Fz_tower/4.0
planeloads[bay][LC][angle].append([int(Fx),int(Fy),int(Fz)])
elif node == 2:
Fx=1/sqrt(2)*Fx_tower/4.0
Fy=1/sqrt(2)*Fx_tower/4.0
Fz=-Fz_tower/4.0-My_tower/(wireframe[0][3]*sqrt(2))
planeloads[bay][LC][angle].append([int(Fx),int(Fy),int(Fz)])
if angle == 0:
if (node == 0) or (node == 3):
Fx_env=sqrt(L_jacket_e[bay][angle][LC][0]**2+L_jacket_e[bay][angle][LC][1]**2)
Fz_grav=abs(L_jacket_g[bay])
My_env=sqrt(L_jacket_e[bay][angle][LC][2]**2+L_jacket_e[bay][angle][LC][3]**2)
Hbay=wireframe[bay][1]
#W_top=wireframe[bay][3]
W_bot=wireframe[bay][4]
FxTOT_top=My_env/Hbay
FxTOT_bot=Fx_env-FxTOT_top
#FzTOT_top=0.0
FzTOT_bot=Fz_grav
#MyTOT_top=0.0
MyTOT_bot=My_env
Fx_top=FxTOT_top/4.0+planeloads[bay][LC][angle][node][0]
Fx_bot=FxTOT_bot/4.0
Fy_top=0.0
Fy_bot=0.0
Fz_top=0.0+planeloads[bay][LC][angle][node][2]
Fz_bot=-FzTOT_bot/4.0+MyTOT_bot/(2*W_bot)
planeloads[bay][LC][angle][node][0]=int(Fx_top)
planeloads[bay][LC][angle][node][1]=int(Fy_top)
planeloads[bay][LC][angle][node][2]=int(Fz_top)
planeloads[bay+1][LC][angle].append([int(Fx_bot),int(Fy_bot),int(Fz_bot)])
elif (node == 1) or (node == 2):
Fx_env=sqrt(L_jacket_e[bay][angle][LC][0]**2+L_jacket_e[bay][angle][LC][1]**2)
Fz_grav=abs(L_jacket_g[bay])
My_env=sqrt(L_jacket_e[bay][angle][LC][2]**2+L_jacket_e[bay][angle][LC][3]**2)
Hbay=wireframe[bay][1]
#W_top=wireframe[bay][3]
W_bot=wireframe[bay][4]
FxTOT_top=My_env/Hbay
FxTOT_bot=Fx_env-FxTOT_top
#FzTOT_top=0.0
FzTOT_bot=Fz_grav
#MyTOT_top=0.0
MyTOT_bot=My_env
Fx_top=FxTOT_top/4.0+planeloads[bay][LC][angle][node][0]
Fx_bot=FxTOT_bot/4.0
Fy_top=0.0
Fy_bot=0.0
Fz_top=0.0+planeloads[bay][LC][angle][node][2]
Fz_bot=-FzTOT_bot/4.0-MyTOT_bot/(2*W_bot)
planeloads[bay][LC][angle][node][0]=int(Fx_top)
planeloads[bay][LC][angle][node][1]=int(Fy_top)
planeloads[bay][LC][angle][node][2]=int(Fz_top)
planeloads[bay+1][LC][angle].append([int(Fx_bot),int(Fy_bot),int(Fz_bot)])
elif angle == 1:
if node == 0:
Fx_env=sqrt(L_jacket_e[bay][angle][LC][0]**2+L_jacket_e[bay][angle][LC][1]**2)
Fz_grav=abs(L_jacket_g[bay])
My_env=sqrt(L_jacket_e[bay][angle][LC][2]**2+L_jacket_e[bay][angle][LC][3]**2)
Hbay=wireframe[bay][1]
#W_top=wireframe[bay][3]
W_bot=wireframe[bay][4]
FxTOT_top=My_env/Hbay
FxTOT_bot=Fx_env-FxTOT_top
#FzTOT_top=0.0
FzTOT_bot=Fz_grav
#MyTOT_top=0.0
MyTOT_bot=My_env
Fx_top=1/sqrt(2)*FxTOT_top/4.0+planeloads[bay][LC][angle][node][0]
Fx_bot=1/sqrt(2)*FxTOT_bot/4.0
Fy_top=1/sqrt(2)*FxTOT_top/4.0+planeloads[bay][LC][angle][node][1]
Fy_bot=1/sqrt(2)*FxTOT_bot/4.0
Fz_top=0.0+planeloads[bay][LC][angle][node][2]
Fz_bot=-FzTOT_bot/4.0+MyTOT_bot/(W_bot*sqrt(2))
planeloads[bay][LC][angle][node][0]=int(Fx_top)
planeloads[bay][LC][angle][node][1]=int(Fy_top)
planeloads[bay][LC][angle][node][2]=int(Fz_top)
planeloads[bay+1][LC][angle].append([int(Fx_bot),int(Fy_bot),int(Fz_bot)])
elif (node==1) or (node==3):
Fx_env=sqrt(L_jacket_e[bay][angle][LC][0]**2+L_jacket_e[bay][angle][LC][1]**2)
Fz_grav=abs(L_jacket_g[bay])
My_env=sqrt(L_jacket_e[bay][angle][LC][2]**2+L_jacket_e[bay][angle][LC][3]**2)
Hbay=wireframe[bay][1]
#W_top=wireframe[bay][3]
W_bot=wireframe[bay][4]
FxTOT_top=My_env/Hbay
FxTOT_bot=Fx_env-FxTOT_top
#FzTOT_top=0.0
FzTOT_bot=Fz_grav
#MyTOT_top=0.0
MyTOT_bot=My_env
Fx_top=1/sqrt(2)*FxTOT_top/4.0+planeloads[bay][LC][angle][node][0]
Fx_bot=1/sqrt(2)*FxTOT_bot/4.0
Fy_top=1/sqrt(2)*FxTOT_top/4.0+planeloads[bay][LC][angle][node][1]
Fy_bot=1/sqrt(2)*FxTOT_bot/4.0
Fz_top=0.0+planeloads[bay][LC][angle][node][2]
Fz_bot=-FzTOT_bot/4.0
planeloads[bay][LC][angle][node][0]=int(Fx_top)
planeloads[bay][LC][angle][node][1]=int(Fy_top)
planeloads[bay][LC][angle][node][2]=int(Fz_top)
planeloads[bay+1][LC][angle].append([int(Fx_bot),int(Fy_bot),int(Fz_bot)])
elif node == 2:
Fx_env=sqrt(L_jacket_e[bay][angle][LC][0]**2+L_jacket_e[bay][angle][LC][1]**2)
Fz_grav=abs(L_jacket_g[bay])
My_env=sqrt(L_jacket_e[bay][angle][LC][2]**2+L_jacket_e[bay][angle][LC][3]**2)
Hbay=wireframe[bay][1]
#W_top=wireframe[bay][3]
W_bot=wireframe[bay][4]
FxTOT_top=My_env/Hbay
FxTOT_bot=Fx_env-FxTOT_top
#FzTOT_top=0.0
FzTOT_bot=Fz_grav
#MyTOT_top=0.0
MyTOT_bot=My_env
Fx_top=1/sqrt(2)*FxTOT_top/4.0+planeloads[bay][LC][angle][node][0]
Fx_bot=1/sqrt(2)*FxTOT_bot/4.0
Fy_top=1/sqrt(2)*FxTOT_top/4.0+planeloads[bay][LC][angle][node][1]
Fy_bot=1/sqrt(2)*FxTOT_bot/4.0
Fz_top=0.0+planeloads[bay][LC][angle][node][2]
Fz_bot=-FzTOT_bot/4.0-MyTOT_bot/(W_bot*sqrt(2))
planeloads[bay][LC][angle][node][0]=int(Fx_top)
planeloads[bay][LC][angle][node][1]=int(Fy_top)
planeloads[bay][LC][angle][node][2]=int(Fz_top)
planeloads[bay+1][LC][angle].append([int(Fx_bot),int(Fy_bot),int(Fz_bot)])
self.planeloads=planeloads
def load_writer(self):
loads=self.planeloads
counter=0
bays=len(loads)-1
text=open('ANSYS-beam188.txt','a')
text.write('\n'+'!ANSYS LOADFILES ARE CREATED'+'\n')
text.write('/SOLU'+'\n')
for LC in range(3):
for angle in range(2):
counter=counter+1
if angle == 0:
ANGLE=0
else:
ANGLE=45
text.write('\n'+'!LOADSTEP '+str(counter)+': LC '+str(LC+1)+' angle '+str(ANGLE)+'\n')
text.write('\n'+'!CONSTRAINTS'+'\n')
for node in range(4):
nodeBOT=28*(bays)+node+1
#Finally we constrain nodes to the subsoil
text.write('DK,'+str(nodeBOT)+',ALL'+'\n')
#text.write('DK,'+str(nodeBOT)+',ux,0'+'\n')
#text.write('DK,'+str(nodeBOT)+',uy,0'+'\n')
#text.write('DK,'+str(nodeBOT)+',uz,0'+'\n')
text.write('\n'+'!FORCES'+'\n')
for plane in range(len(loads)):
for node in range(4):
#if plane != len(loads)-1:
nodeNR=plane*28+node+1
FX=loads[plane][LC][angle][node][0]
FY=loads[plane][LC][angle][node][1]
FZ=loads[plane][LC][angle][node][2]
text.write('FK,'+str(nodeNR)+',fx,'+str(FX)+'\n')
text.write('FK,'+str(nodeNR)+',fy,'+str(FY)+'\n')
text.write('FK,'+str(nodeNR)+',fz,'+str(FZ)+'\n')
text.write('KBC,1'+'\n')
text.write('LSWRITE'+'\n')
text.close()
class static_analysis:
def __init__(self,wireframe,jacketdimensions,sleevedimensions):
self.wireframe=wireframe
self.jacketdimensions=jacketdimensions
self.sleevedimensions=sleevedimensions
def compute(self):
text=open('ANSYS-beam188.txt','a')
text.write('\n'+'!ANSYS SOLUTIONS ARE CREATED'+'\n')
text.write('/SOLU'+'\n')
text.write('LSSOLVE,1,6,1'+'\n')
text.close()
self.graphics()
self.create_tables()
self.write_images()
self.write_text()
def create_tables(self):
text=open('ANSYS-beam188.txt','a')
text.write('/post1'+'\n')
text.write('ETABLE,Fxi,SMISC,1'+'\n') #Axial force node i
text.write('ETABLE,Fxj,SMISC,14'+'\n')
text.write('ETABLE,Myi,SMISC,2'+'\n') #Bending moment node i
text.write('ETABLE,Myj,SMISC,15'+'\n')
text.write('ETABLE,Mzi,SMISC,3'+'\n')
text.write('ETABLE,Mzj,SMISC,16'+'\n')
text.write('ETABLE,SFyi,SMISC,6'+'\n') #Shear force node i
text.write('ETABLE,SFyj,SMISC,19'+'\n')
text.write('ETABLE,SFzi,SMISC,5'+'\n')
text.write('ETABLE,SFzj,SMISC,18'+'\n')
text.write('ETABLE,SDIRi,SMISC,31'+'\n') #Axial direct stress node i F/A
text.write('ETABLE,SDIRj,SMISC,36'+'\n')
text.write('SADD,NULL,Fxi,Fxi,1,-1'+'\n')
text.close()
def graphics(self):
text=open('ANSYS-beam188.txt','a')
text.write('/auto,1'+'\n')
text.write('/RGB,index,100,100,100,0'+'\n')
text.write('/RGB,index,80,80,80,13'+'\n')
text.write('/RGB,index,60,600,600,14'+'\n')
text.write('/RGB,index,0,0,0,15'+'\n')
text.write('/angle,1,-90,xs,0'+'\n')
text.write('/angle,1,105,ys,1'+'\n')
text.write('/angle,1,25,xs,1'+'\n')
text.write('/angle,1,-180,ys,1'+'\n')
text.write('/angle,1,10,xs,1'+'\n')
text.write('/angle,1,10,ys,1'+'\n')
text.write('/auto,1'+'\n')
text.write('/eshape,1'+'\n')
text.write('NPLOT'+'\n')
text.write('/pnum,node,1'+'\n')
text.write('/replot'+'\n')
text.write('/image,save,BEAM-node,png'+'\n')
text.write('/pnum,elem,1'+'\n')
text.write('/replot'+'\n')
text.write('/image,save,BEAM-elem,png'+'\n')
text.write('/pnum,node,0'+'\n')
text.write('/pnum,elem,0'+'\n')
text.close()
def write_images(self):
text=open('ANSYS-beam188.txt','a')
text.write('/post1'+'\n')
LCcounter=1
for LC in range(3):
for angle in range(2):
if angle == 0:
angleNR = 0
elif angle == 1:
angleNR = 45
text.write('/post1'+'\n')
text.write('SET,'+str(LCcounter)+'\n')
text.write('ETABLE,REFL'+'\n')
text.write('PLLS,SDIRi,SDIRj,1,0'+'\n')
text.write('/image,save,BEAM-SX-LC'+str(LC+1)+'A'+str(angleNR)+',png'+'\n')
text.write('PLESOL,S,EQV'+'\n')
text.write('/image,save,BEAM-SMISES-LC'+str(LC+1)+'A'+str(angleNR)+',png'+'\n')
text.write('PLLS,Fxi,Fxj,1,0'+'\n')
text.write('/image,save,BEAM-FORCEX-LC'+str(LC+1)+'A'+str(angleNR)+',png'+'\n')
text.write('PLLS,Myi,Myj,1,0'+'\n')
text.write('/image,save,BEAM-MOMENTY-LC'+str(LC+1)+'A'+str(angleNR)+',png'+'\n')
text.write('PLLS,Mzi,Mzj,1,0'+'\n')
text.write('/image,save,BEAM-MOMENTZ-LC'+str(LC+1)+'A'+str(angleNR)+',png'+'\n')
LCcounter=LCcounter+1
text.close()
def write_text(self):
text=open('ANSYS-beam188.txt','a')
text.write('/post1'+'\n')
LCcounter=1
for LC in range(3):
for angle in range(2):
if angle == 0:
angleNR = 0
elif angle == 1:
angleNR = 45
text.write('/post1'+'\n')
text.write('SET,'+str(LCcounter)+'\n')
text.write('ETABLE,REFL'+'\n')
text.write('/output,BEAM-LOADS-LC'+str(LC+1)+'A'+str(angleNR)+',out'+'\n')
#text.write('PRETAB,FXI,NULL,FXJ,NULL,SFyi,NULL,SFyj,NULL,SFzi,NULL,SFzj,NULL,SDIRi,NULL,SDIRJ'+'\n')
text.write('PRESOL,F'+'\n')
text.write('PRESOL,M'+'\n')
text.write('/output,BEAM-STRESS-LC'+str(LC+1)+'A'+str(angleNR)+',out'+'\n')
text.write('PRESOL,S,COMP'+'\n')
text.write('PRESOL,S,PRIN'+'\n')
text.write('/output'+'\n')
LCcounter=LCcounter+1
text.close()
'''
class buckling_analysis:
def __init__(self,wireframe):
self.wireframe=wireframe
def compute(self):
text=open('ANSYS-beam188.txt','a')
text.write('\n'+'!ANSYS BUCKLING ARE CREATED'+'\n')
bays=len(self.wireframe)
LCcounter=1
for LC in range(3):
for angle in range(2):
if angle == 0:
angleNR = 0
elif angle == 1:
angleNR = 45
text.write('/SOLU'+'\n')
text.write('ANTYPE,buckle'+'\n')
text.write('BUCOPT,LANB,4,'+'\n')
text.write('MXPAND,4,,,YES'+'\n')
text.write('LSSOLVE,'+str(LCcounter)+','+str(LCcounter)+',1'+'\n')
text.write('/POST1'+'\n')
text.write('/output,BUCK-LC'+str(LC+1)+'A'+str(angleNR)+',out'+'\n')
text.write('SET,LIST'+'\n')
text.write('/output'+'\n')
for buckmode in range(5):
if buckmode !=0:
text.write('/post1'+'\n')
text.write('SET,1,'+str(buckmode)+'\n')
text.write('PLNSOL,U,SUM,1,3'+'\n')
text.write('/replot'+'\n')
text.write('/image,save,BMODE'+str(buckmode)+'-DISP-LC'+str(LC+1)+'A'+str(angleNR)+',png'+'\n')
text.write('/post1'+'\n')
text.write('PLESOL,F,X,1,3'+'\n')
text.write('/replot'+'\n')
text.write('/image,save,BMODE'+str(buckmode)+'-FORCEX-LC'+str(LC+1)+'A'+str(angleNR)+',png'+'\n')
text.write('/post1'+'\n')
LCcounter=LCcounter+1
text.close()
'''
def ansys():
#def main():
#Ed=str(2.e11)
Ed=str(Input_data.stored_data.Ed)
#wireframe=[[2, 16.69, 42.15365953598298, 17.101249112742856, 19.771649112742857, 13.667817989809011, 16.69, 265.4260787400991, 317.84634046401703, 274.5739212599009, 222.15365953598297, 85.42607874009914, 42.15365953598298, 94.57392125990086, 137.84634046401703, 0.08], [2, 16.69, 38.33478236213366, 19.771649112742857, 22.442049112742858, 16.556211994723174, 0.0, 265.4260787400991, 321.6652176378663, 274.5739212599009, 218.33478236213367, 85.42607874009914, 38.33478236213366, 94.57392125990086, 141.66521763786633, 0.08]]
wireframe=Jacket.stored_data.wireframe
#jacketdimensions=[[0.56641827640041886, 0.33985096584025132, 0.022476915730175351, 0.013486149438105211], [0.6230601140404608, 0.37383606842427647, 0.024724607700018286, 0.014834764620010972]]
jacketdimensions=Jacket.stored_data.Jacket_dimensions
#sleevedimensions=[[0.080446189201382884, 0.0, 0.9012600000000001, 0.68339089949045051, 5.7605431368905711, 3.7531560450487467, 185011], [0.072292092670387692, 0.0087286592301644549, 0.9012600000000001, 0.82781059973615867, 5.3068320221373169, 3.4001823505574809, 184172]]
sleevedimensions=Jacket.stored_data.Sleeve_dimensions
#tower_load=[[2654083, 0.0, 4922811, 0.0, 178932153, 0.0], [2083014, 0.0, 4922811, 0.0, 117938697, 0.0], [2520451, 0.0, 4922811, 0.0, 140909950, 0.0]]
tower_load=Tower.stored_data.loadbottom
#jacket_environmental_load=[[[[195523, 90510, 1035434, 471680], [1139901, 132980, 5910908, 685627], [751635, 127250, 3915778, 657630]], [[306799, 99924, 1624720, 520742], [1788640, 146812, 9274918, 756943], [1179405, 140487, 6144323, 726035]]], [[[225458, 178725, 3876840, 3018066], [2429334, 358812, 40718334, 5982468], [1409910, 321993, 23748111, 5381679]], [[359378, 197343, 6179643, 3332457], [3872332, 396189, 64904591, 6605660], [2247383, 355535, 37854237, 5942287]]]]
jacket_environmental_load=Jacket.stored_data.environmental_loads_per_bay
#jacket_gravitational_load=[570869, 744788]
jacket_gravitational_load=Jacket.stored_data.gravitational_loads_per_bay
nodecalc=nodebuilder(wireframe)
jointlist,sleevelist=nodecalc.compute()
nodeANSYS=nodewriter(wireframe,jointlist,sleevelist)
nodecount=nodeANSYS.compute()
elementANSYS=elementwriter(jacketdimensions,sleevedimensions,nodecount,Ed)
elementANSYS.compute()
loadANSYS=loadbuilder(wireframe,tower_load,jacket_environmental_load,jacket_gravitational_load)
loadANSYS.compute()
staticANSYS=static_analysis(wireframe,jacketdimensions,sleevedimensions)
staticANSYS.compute()
#buckANSYS=buckling_analysis(wireframe)
#buckANSYS.compute()
#main()