def __init__(self, comm, tacs_comm, model, n_tacs_procs):
super(wedgeTACS,self).__init__(comm, tacs_comm, model)
assembler = None
mat = None
pc = None
gmres = None
self.T_ref = 300.0
if comm.Get_rank() < n_tacs_procs:
# Set constitutive properties
rho = 4540.0 # density, kg/m^3
E = 118e9 # elastic modulus, Pa
nu = 0.325 # poisson's ratio
ys = 1050e6 # yield stress, Pa
kappa = 6.89
specific_heat=463.0
thickness = 0.015
volume = 25 # need tacs volume for TACSAverageTemperature function
# Create the constitutvie propertes and model
props = constitutive.MaterialProperties(rho=4540.0, specific_heat=463.0,
kappa = 6.89, E=118e9, nu=0.325, ys=1050e6)
con = constitutive.SolidConstitutive(props, t=1.0, tNum=0)
# Set the model type = linear thermoelasticity
elem_model = elements.LinearThermoelasticity3D(con)
# Create the basis class
basis = elements.LinearHexaBasis()
# Create the element
element = elements.Element3D(elem_model, basis)
varsPerNode = elem_model.getVarsPerNode()
# Load in the mesh
mesh = TACS.MeshLoader(tacs_comm)
mesh.scanBDFFile('tacs_aero.bdf')
# Set the element
mesh.setElement(0, element)
# Create the assembler object
assembler = mesh.createTACS(varsPerNode)
# Create the preconditioner for the corresponding matrix
mat = assembler.createSchurMat()
pc = TACS.Pc(mat)
# Create GMRES object for structural adjoint solves
nrestart = 0 # number of restarts before giving up
m = 30 # size of Krylov subspace (max # of iterations)
gmres = TACS.KSM(mat, pc, m, nrestart)
self._initialize_variables(assembler, mat, pc, gmres)
self.initialize(model.scenarios[0], model.bodies)
return
def __init__(self, integrator_options, comm, tacs_comm, model,
n_tacs_procs):
self.tacs_proc = False
if comm.Get_rank() < n_tacs_procs:
self.tacs_proc = True
# Set constitutive properties
T_ref = 300.0
rho = 4540.0 # density, kg/m^3
E = 118e9 # elastic modulus, Pa
nu = 0.325 # poisson's ratio
ys = 1050e6 # yield stress, Pa
kappa = 6.89
specific_heat = 463.0
thickness = 0.015
volume = 25 # need tacs volume for TACSAverageTemperature function
# Create the constitutvie propertes and model
props_plate = constitutive.MaterialProperties(rho=4540.0,
specific_heat=463.0,
kappa=6.89,
E=118e9,
nu=0.325,
ys=1050e6)
#con_plate = constitutive.ShellConstitutive(props_plate,thickness,1,0.01,0.10)
#model_plate = elements.ThermoelasticPlateModel(con_plate)
con_plate = constitutive.PlaneStressConstitutive(props_plate,
t=1.0,
tNum=0)
model_plate = elements.HeatConduction2D(con_plate)
# Create the basis class
quad_basis = elements.LinearQuadBasis()
# Create the element
#element_shield = elements.Element2D(model_shield, quad_basis)
#element_insulation = elements.Element2D(model_insulation, quad_basis)
element_plate = elements.Element2D(model_plate, quad_basis)
varsPerNode = model_plate.getVarsPerNode()
# Load in the mesh
mesh = TACS.MeshLoader(tacs_comm)
mesh.scanBDFFile('tacs_aero.bdf')
# Set the element
mesh.setElement(0, element_plate)
# Create the assembler object
#varsPerNode = heat.getVarsPerNode()
assembler = mesh.createTACS(varsPerNode)
# Create distributed node vector from TACS Assembler object and
# extract the node locations
nbodies = 1
struct_X = []
struct_nnodes = []
for body in range(nbodies):
self.struct_X_vec = assembler.createNodeVec()
assembler.getNodes(self.struct_X_vec)
struct_X.append(self.struct_X_vec.getArray())
struct_nnodes.append(len(struct_X) / 3)
assembler.setNodes(self.struct_X_vec)
# Initialize member variables pertaining to TACS
self.T_ref = T_ref
self.vol = volume
self.assembler = assembler
self.struct_X = struct_X
self.struct_nnodes = struct_nnodes
self.struct_rhs_vec = assembler.createVec()
#self.psi_T_S_vec = assembler.createVec()
#psi_T_S = self.psi_T_S_vec.getArray()
#self.psi_T_S = np.zeros((psi_T_S.size,self.nfunc),dtype=TACS.dtype)
self.ans = self.assembler.createVec()
self.bvec_heat_flux = self.assembler.createVec()
# Things for configuring time marching
self.integrator = {}
for scenario in model.scenarios:
self.integrator[scenario.id] = self.createIntegrator(
self.assembler, integrator_options)
super(wedgeTACS, self).__init__(integrator_options, comm, tacs_comm,
model)
self.initialize(model.scenarios[0], model.bodies)
def __init__(self, comm, tacs_comm, model, n_tacs_procs):
super(wedgeTACS, self).__init__(comm, tacs_comm, model)
self.tacs_proc = False
if comm.Get_rank() < n_tacs_procs:
self.tacs_proc = True
#mesh = TACS.MeshLoader(tacs_comm)
#mesh.scanBDFFile("tacs_aero.bdf")
# Set constitutive properties
T_ref = 300.0
rho = 4540.0 # density, kg/m^3
E = 118e9 # elastic modulus, Pa
nu = 0.325 # poisson's ratio
ys = 1050e6 # yield stress, Pa
kappa = 6.89
specific_heat = 463.0
thickness = 0.015
volume = 25 # need tacs volume for TACSAverageTemperature function
# Create the constitutvie propertes and model
props_plate = constitutive.MaterialProperties(rho=4540.0,
specific_heat=463.0,
kappa=6.89,
E=118e9,
nu=0.325,
ys=1050e6)
#con_plate = constitutive.ShellConstitutive(props_plate,thickness,1,0.01,0.10)
#model_plate = elements.ThermoelasticPlateModel(con_plate)
con_plate = constitutive.PlaneStressConstitutive(props_plate,
t=1.0,
tNum=0)
model_plate = elements.HeatConduction2D(con_plate)
# Create the basis class
quad_basis = elements.LinearQuadBasis()
# Create the element
#element_shield = elements.Element2D(model_shield, quad_basis)
#element_insulation = elements.Element2D(model_insulation, quad_basis)
element_plate = elements.Element2D(model_plate, quad_basis)
varsPerNode = model_plate.getVarsPerNode()
# Load in the mesh
mesh = TACS.MeshLoader(tacs_comm)
mesh.scanBDFFile('tacs_aero.bdf')
# Set the element
mesh.setElement(0, element_plate)
# Create the assembler object
#varsPerNode = heat.getVarsPerNode()
assembler = mesh.createTACS(varsPerNode)
res = assembler.createVec()
ans = assembler.createVec()
mat = assembler.createSchurMat()
# Create distributed node vector from TACS Assembler object and
# extract the node locations
nbodies = 1
struct_X = []
struct_nnodes = []
for body in range(nbodies):
self.struct_X_vec = assembler.createNodeVec()
assembler.getNodes(self.struct_X_vec)
struct_X.append(self.struct_X_vec.getArray())
struct_nnodes.append(len(struct_X) / 3)
assembler.setNodes(self.struct_X_vec)
# Create the preconditioner for the corresponding matrix
pc = TACS.Pc(mat)
alpha = 1.0
beta = 0.0
gamma = 0.0
assembler.assembleJacobian(alpha, beta, gamma, res, mat)
pc.factor()
# Create GMRES object for structural adjoint solves
nrestart = 0 # number of restarts before giving up
m = 30 # size of Krylov subspace (max # of iterations)
gmres = TACS.KSM(mat, pc, m, nrestart)
# Initialize member variables pertaining to TACS
self.T_ref = T_ref
self.vol = volume
self.assembler = assembler
self.res = res
self.ans = ans
self.mat = mat
self.pc = pc
self.struct_X = struct_X
self.struct_nnodes = struct_nnodes
self.gmres = gmres
self.svsens = assembler.createVec()
self.struct_rhs_vec = assembler.createVec()
self.psi_T_S_vec = assembler.createVec()
psi_T_S = self.psi_T_S_vec.getArray()
self.psi_T_S = np.zeros((psi_T_S.size, self.nfunc),
dtype=TACS.dtype)
self.ans_array = []
self.svsenslist = []
self.dvsenslist = []
for func in range(self.nfunc):
self.svsenslist.append(self.assembler.createVec())
self.dvsenslist.append(self.assembler.createDesignVec())
for scenario in range(len(model.scenarios)):
self.ans_array.append(self.ans.getArray().copy())
self.initialize(model.scenarios[0], model.bodies)
def __init__(self, comm, tacs_comm, model, n_tacs_procs):
super(OneraPlate, self).__init__(comm, tacs_comm, model)
assembler = None
mat = None
if comm.Get_rank() < n_tacs_procs:
# Set the creator object
ndof = 6
creator = TACS.Creator(tacs_comm, ndof)
if tacs_comm.rank == 0:
# Create the elements
nx = 10
ny = 10
# Set the nodes
nnodes = (nx+1)*(ny+1)
nelems = nx*ny
nodes = np.arange(nnodes).reshape((nx+1, ny+1))
conn = []
for j in range(ny):
for i in range(nx):
# Append the node locations
conn.append([nodes[i, j],
nodes[i+1, j],
nodes[i, j+1],
nodes[i+1, j+1]])
# Set the node pointers
conn = np.array(conn, dtype=np.intc).flatten()
ptr = np.arange(0, 4*nelems+1, 4, dtype=np.intc)
elem_ids = np.zeros(nelems, dtype=np.intc)
creator.setGlobalConnectivity(nnodes, ptr, conn, elem_ids)
# Set the boundary conditions - fixed on the root
bcnodes = np.array(nodes[:, 0], dtype=np.intc)
creator.setBoundaryConditions(bcnodes)
root_chord = 0.8
semi_span = 1.2
taper_ratio = 0.56
sweep = 26.7 # degrees
# Set the node locations
Xpts = np.zeros(3*nnodes)
x = np.linspace(0, 1, nx+1)
y = np.linspace(0, 1, ny+1)
for j in range(ny+1):
for i in range(nx+1):
c = root_chord*(1.0 - y[j]) + root_chord*taper_ratio*y[j]
xoff = 0.25*root_chord + semi_span*y[j]*np.tan(sweep*np.pi/180.0)
Xpts[3*nodes[i,j]] = xoff + c*(x[i] - 0.25)
Xpts[3*nodes[i,j]+1] = semi_span*y[j]
# Set the node locations
creator.setNodes(Xpts)
# Set the material properties
props = constitutive.MaterialProperties(rho=2570.0, E=70e9, nu=0.3, ys=350e6)
# Set constitutive properties
t = 0.025
tnum = 0
maxt = 0.015
mint = 0.015
con = constitutive.IsoShellConstitutive(props, t=t, tNum=tnum)
# Create a transformation object
transform = elements.ShellNaturalTransform()
# Create the element object
element = elements.Quad4Shell(transform, con)
# Set the elements
elems = [ element ]
creator.setElements(elems)
# Create TACS Assembler object from the mesh loader
assembler = creator.createTACS()
# Create distributed matrix
mat = assembler.createSchurMat() # stiffness matrix
self._initialize_variables(assembler, mat)
self.initialize(model.scenarios[0], model.bodies)
return
if CHTMarkerID != None:
nVertex_CHTMarker = SU2Driver.GetNumberVertices(CHTMarkerID)
# get aero nodes
X = []
for i in range(nVertex_CHTMarker):
X.extend([
SU2Driver.GetVertexCoordX(CHTMarkerID, i),
SU2Driver.GetVertexCoordY(CHTMarkerID, i),
SU2Driver.GetVertexCoordZ(CHTMarkerID, i)
])
# initialize TACS
# Create the constitutvie propertes and model
props = constitutive.MaterialProperties()
con = constitutive.PlaneStressConstitutive(props)
heat = elements.HeatConduction2D(con)
# Create the basis class
quad_basis = elements.LinearQuadBasis()
# Create the element
element = elements.Element2D(heat, quad_basis)
# Load in the mesh
mesh = TACS.MeshLoader(comm)
mesh.scanBDFFile('plate_bump.bdf')
# Set the element
mesh.setElement(0, element)
from __future__ import print_function
from mpi4py import MPI
import numpy as np
import matplotlib.pyplot as plt
import sys
from tacs import TACS, elements, constitutive
from funtofem import TransferScheme
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
# initialize TACS for left plate
# Create the constitutvie propertes and model
left_kappa = 230.0
props = constitutive.MaterialProperties(kappa=left_kappa)
con = constitutive.PlaneStressConstitutive(props)
heat = elements.HeatConduction2D(con)
# Create the basis class
quad_basis = elements.LinearQuadBasis()
# Create the element
element = elements.Element2D(heat, quad_basis)
# Load in the mesh
mesh = TACS.MeshLoader(comm)
mesh.scanBDFFile('left_plate.bdf')
# Set the element
mesh.setElement(0, element)
def createAssembler(tacs_comm):
# Set constitutive properties
rho = 4540.0 # density, kg/m^3
E = 118e9 # elastic modulus, Pa 118e9
nu = 0.325 # poisson's ratio
ys = 1050e6 # yield stress, Pa
kappa = 6.89
specific_heat = 463.0
# Set the back-pressure for the traction load
pb = 654.9 #10.0 # A value for the surface pressure
# Load in the mesh
mesh = TACS.MeshLoader(tacs_comm)
mesh.scanBDFFile('tacs_aero.bdf')
# Get the number of components set in the mesh. Each component is
num_components = mesh.getNumComponents()
# Each domain consists of the union of two components. The component
# corresponding to the surface traction and the component corresponding
# to remaining plate elements. There is one design variable associated
# with each domain that shares a common (x,z) coordinate
num_domains = num_components // 2
# Create the constitutvie propertes and model
props_plate = constitutive.MaterialProperties(rho=rho,
specific_heat=specific_heat,
kappp=kappa,
E=E,
nu=nu,
ys=ys)
# Create the basis class
basis = elements.LinearHexaBasis()
element_list = []
for k in range(num_domains):
# Create the elements in an element list
con = constitutive.SolidConstitutive(props_plate, t=1.0, tNum=k)
phys_model = elements.LinearThermoelasticity3D(con)
# Create the element
element_list.append(elements.Element3D(phys_model, basis))
varsPerNode = phys_model.getVarsPerNode()
# Set the face index for the side of the element where the traction
# will be applied. The face indices are as follows for the hexahedral
# basis class:
# -x: 0, +x: 1, -y: 2, +y: 3, -z: 4, +z: 5
faceIndex = 4
# Set the wedge angle - 5 degrees
theta = np.radians(5.0)
# Compute the outward normal components for the face
nx = np.sin(theta)
nz = -np.cos(theta)
# Set the traction components
tr = [-pb * nx, 0.0, -pb * nz, 0.0]
# Create the traction class
traction = elements.Traction3D(varsPerNode, faceIndex, basis, tr)
# Set the elements corresponding to each component number
num_components = mesh.getNumComponents()
for k in range(num_components):
mesh.setElement(k, element_list[k % num_domains])
# Create the assembler object
assembler = mesh.createTACS(varsPerNode)
# Set the traction load into the assembler object
aux = TACS.AuxElements(assembler)
for k in range(num_domains, num_components):
mesh.addAuxElement(aux, k, traction)
assembler.setAuxElements(aux)
return assembler, num_domains
alum_tags = []
for quad in forest.getQuadsWithName('aluminum'):
alum_tags.append(quad.tag)
battery_tags = []
for n in ['battery_0', 'battery_1', 'battery_2', 'battery']:
for quad in forest.getQuadsWithName(n):
battery_tags.append(quad.tag)
thickness = 0.065
alum_rho = 2700.0 * thickness
battery_rho = 1460.0 * thickness
alum_props = constitutive.MaterialProperties(rho=alum_rho,
E=72.4e9,
nu=0.33,
ys=345e6,
alpha=24e-6,
kappa=204.0,
specific_heat=883.0)
battery_props = constitutive.MaterialProperties(rho=battery_rho,
kappa=1.3,
specific_heat=880.0)
# Allocate the creator class
creator = CreateMe(bcs)
# Create the initial forest
nlevels = 2
forest.createTrees(nlevels - 1)
# Create the TACS assembler
