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pyframe3dd.py
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pyframe3dd.py
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#!/usr/bin/env python
# encoding: utf-8
"""
frame.py
Created by Andrew Ning on 2013-11-01.
Copyright (c) NREL. All rights reserved.
"""
from __future__ import print_function
import os
import math
from sys import platform
from ctypes import POINTER, Structure, c_int, pointer, c_double
from collections import namedtuple
from distutils.sysconfig import get_config_var
import numpy as np
libext = get_config_var("EXT_SUFFIX")
if libext is None or libext == "":
if platform == "linux" or platform == "linux2":
libext = ".so"
elif platform == "darwin":
# libext = '.dyld'
libext = ".so"
elif platform == "win32":
# libext = '.dll'
libext = ".pyd"
elif platform == "cygwin":
libext = ".dll"
libname = "_pyframe3dd" + libext
c_int_p = POINTER(c_int)
c_double_p = POINTER(c_double)
def ip(x):
return x.ctypes.data_as(c_int_p)
def dp(x):
return x.ctypes.data_as(c_double_p)
# --------------
# General Inputs
# --------------
class C_Nodes(Structure):
_fields_ = [
("nN", c_int),
("N", c_int_p),
("x", c_double_p),
("y", c_double_p),
("z", c_double_p),
("r", c_double_p),
]
class C_Reactions(Structure):
_fields_ = [
("nK", c_int),
("N", c_int_p),
("Kx", c_double_p),
("Ky", c_double_p),
("Kz", c_double_p),
("Ktx", c_double_p),
("Kty", c_double_p),
("Ktz", c_double_p),
("rigid", c_double),
]
class C_Elements(Structure):
_fields_ = [
("nE", c_int),
("EL", c_int_p),
("N1", c_int_p),
("N2", c_int_p),
("Ax", c_double_p),
("Asy", c_double_p),
("Asz", c_double_p),
("Jx", c_double_p),
("Iy", c_double_p),
("Iz", c_double_p),
("E", c_double_p),
("G", c_double_p),
("roll", c_double_p),
("density", c_double_p),
]
class C_OtherElementData(Structure):
_fields_ = [("shear", c_int), ("geom", c_int), ("exagg_static", c_double), ("dx", c_double)]
# --------------
# Load Inputs
# --------------
class C_PointLoads(Structure):
_fields_ = [
("nF", c_int),
("N", c_int_p),
("Fx", c_double_p),
("Fy", c_double_p),
("Fz", c_double_p),
("Mxx", c_double_p),
("Myy", c_double_p),
("Mzz", c_double_p),
]
class C_UniformLoads(Structure):
_fields_ = [("nU", c_int), ("EL", c_int_p), ("Ux", c_double_p), ("Uy", c_double_p), ("Uz", c_double_p)]
class C_TrapezoidalLoads(Structure):
_fields_ = [
("nW", c_int),
("EL", c_int_p),
("xx1", c_double_p),
("xx2", c_double_p),
("wx1", c_double_p),
("wx2", c_double_p),
("xy1", c_double_p),
("xy2", c_double_p),
("wy1", c_double_p),
("wy2", c_double_p),
("xz1", c_double_p),
("xz2", c_double_p),
("wz1", c_double_p),
("wz2", c_double_p),
]
class C_ElementLoads(Structure):
_fields_ = [
("nP", c_int),
("EL", c_int_p),
("Px", c_double_p),
("Py", c_double_p),
("Pz", c_double_p),
("x", c_double_p),
]
class C_TemperatureLoads(Structure):
_fields_ = [
("nT", c_int),
("EL", c_int_p),
("a", c_double_p),
("hy", c_double_p),
("hz", c_double_p),
("Typ", c_double_p),
("Tym", c_double_p),
("Tzp", c_double_p),
("Tzm", c_double_p),
]
class C_PrescribedDisplacements(Structure):
_fields_ = [
("nD", c_int),
("N", c_int_p),
("Dx", c_double_p),
("Dy", c_double_p),
("Dz", c_double_p),
("Dxx", c_double_p),
("Dyy", c_double_p),
("Dzz", c_double_p),
]
class C_LoadCase(Structure):
_fields_ = [
("gx", c_double),
("gy", c_double),
("gz", c_double),
("pointLoads", C_PointLoads),
("uniformLoads", C_UniformLoads),
("trapezoidalLoads", C_TrapezoidalLoads),
("elementLoads", C_ElementLoads),
("temperatureLoads", C_TemperatureLoads),
("prescribedDisplacements", C_PrescribedDisplacements),
]
# --------------
# Dynamic Inputs
# --------------
class C_DynamicData(Structure):
_fields_ = [
("nM", c_int),
("Mmethod", c_int),
("lump", c_int),
("tol", c_double),
("shift", c_double),
("exagg_modal", c_double),
]
class C_ExtraInertia(Structure):
_fields_ = [
("nI", c_int),
("N", c_int_p),
("EMs", c_double_p),
("EMx", c_double_p),
("EMy", c_double_p),
("EMz", c_double_p),
("EMxy", c_double_p),
("EMxz", c_double_p),
("EMyz", c_double_p),
("rhox", c_double_p),
("rhoy", c_double_p),
("rhoz", c_double_p),
]
class C_ExtraMass(Structure):
_fields_ = [("nX", c_int), ("EL", c_int_p), ("EMs", c_double_p)]
class C_Condensation(Structure):
_fields_ = [
("Cmethod", c_int),
("nC", c_int),
("N", c_int_p),
("cx", c_double_p),
("cy", c_double_p),
("cz", c_double_p),
("cxx", c_double_p),
("cyy", c_double_p),
("czz", c_double_p),
("m", c_int_p),
]
# --------------
# Static Data Outputs
# --------------
class C_Displacements(Structure):
_fields_ = [
("node", c_int_p),
("x", c_double_p),
("y", c_double_p),
("z", c_double_p),
("xrot", c_double_p),
("yrot", c_double_p),
("zrot", c_double_p),
]
class C_Forces(Structure):
_fields_ = [
("element", c_int_p),
("node", c_int_p),
("Nx", c_double_p),
("Vy", c_double_p),
("Vz", c_double_p),
("Txx", c_double_p),
("Myy", c_double_p),
("Mzz", c_double_p),
]
class C_ReactionForces(Structure):
_fields_ = [
("node", c_int_p),
("Fx", c_double_p),
("Fy", c_double_p),
("Fz", c_double_p),
("Mxx", c_double_p),
("Myy", c_double_p),
("Mzz", c_double_p),
]
# --------------
# Internal Force Outputs
# --------------
class C_InternalForces(Structure):
_fields_ = [
("x", c_double_p),
("Nx", c_double_p),
("Vy", c_double_p),
("Vz", c_double_p),
("Tx", c_double_p),
("My", c_double_p),
("Mz", c_double_p),
("Dx", c_double_p),
("Dy", c_double_p),
("Dz", c_double_p),
("Rx", c_double_p),
]
# --------------
# Modal Outputs
# --------------
class C_MassResults(Structure):
_fields_ = [
("total_mass", c_double_p),
("struct_mass", c_double_p),
("N", c_int_p),
("xmass", c_double_p),
("ymass", c_double_p),
("zmass", c_double_p),
("xinrta", c_double_p),
("yinrta", c_double_p),
("zinrta", c_double_p),
]
class C_ModalResults(Structure):
_fields_ = [
("freq", c_double_p),
("xmpf", c_double_p),
("ympf", c_double_p),
("zmpf", c_double_p),
("N", c_int_p),
("xdsp", c_double_p),
("ydsp", c_double_p),
("zdsp", c_double_p),
("xrot", c_double_p),
("yrot", c_double_p),
("zrot", c_double_p),
]
# inputs
NodeData = namedtuple("NodeData", ["node", "x", "y", "z", "r"])
ReactionData = namedtuple("ReactionData", ["node", "Kx", "Ky", "Kz", "Ktx", "Kty", "Ktz", "rigid"])
ElementData = namedtuple(
"ElementData", ["element", "N1", "N2", "Ax", "Asy", "Asz", "Jx", "Iy", "Iz", "E", "G", "roll", "density"]
)
Options = namedtuple("Options", ["shear", "geom", "dx"])
# outputs
NodeDisplacements = namedtuple("NodeDisplacements", ["node", "dx", "dy", "dz", "dxrot", "dyrot", "dzrot"])
ElementEndForces = namedtuple("ElementEndForces", ["element", "node", "Nx", "Vy", "Vz", "Txx", "Myy", "Mzz"])
NodeReactions = namedtuple("NodeReactions", ["node", "Fx", "Fy", "Fz", "Mxx", "Myy", "Mzz"])
InternalForces = namedtuple("InternalForces", ["x", "Nx", "Vy", "Vz", "Tx", "My", "Mz", "Dx", "Dy", "Dz", "Rx"])
NodeMasses = namedtuple(
"NodeMasses", ["total_mass", "struct_mass", "node", "xmass", "ymass", "zmass", "xinrta", "yinrta", "zinrta"]
)
Modes = namedtuple("Modes", ["freq", "xmpf", "ympf", "zmpf", "node", "xdsp", "ydsp", "zdsp", "xrot", "yrot", "zrot"])
class Frame(object):
def __init__(self, nodes, reactions, elements, options):
"""docstring"""
self.nodes = nodes
self.reactions = reactions
self.elements = elements
self.options = options
# convert to C int size (not longs) and copy to prevent releasing (b/c address space is shared by c)
# nodes
self.nnode = np.array(nodes.node).astype(np.int32)
self.nx = np.copy(nodes.x)
self.ny = np.copy(nodes.y)
self.nz = np.copy(nodes.z)
self.nr = np.copy(nodes.r)
# reactions
if len(reactions.node) == 0:
self.rnode = np.array([]).astype(np.int32)
self.rKx = self.rKy = self.rKz = self.rKtx = self.rKty = self.rKtz = np.array([]).astype(np.float64)
rigid = 1
else:
self.rnode = np.array(reactions.node).astype(np.int32)
# convert rather than copy to allow old syntax of integers
self.rKx = np.array(reactions.Kx).astype(np.float64)
self.rKy = np.array(reactions.Ky).astype(np.float64)
self.rKz = np.array(reactions.Kz).astype(np.float64)
self.rKtx = np.array(reactions.Ktx).astype(np.float64)
self.rKty = np.array(reactions.Kty).astype(np.float64)
self.rKtz = np.array(reactions.Ktz).astype(np.float64)
rigid = reactions.rigid
# elements
self.eelement = np.array(elements.element).astype(np.int32)
self.eN1 = np.array(elements.N1).astype(np.int32)
self.eN2 = np.array(elements.N2).astype(np.int32)
self.eAx = np.copy(elements.Ax)
self.eAsy = np.copy(elements.Asy)
self.eAsz = np.copy(elements.Asz)
self.eJx = np.copy(elements.Jx)
self.eIy = np.copy(elements.Iy)
self.eIz = np.copy(elements.Iz)
self.eE = np.copy(elements.E)
self.eG = np.copy(elements.G)
self.eroll = np.copy(elements.roll)
self.edensity = np.copy(elements.density)
# Compute length of elements
self.eL = np.sqrt(
(self.nx[self.eN2 - 1] - self.nx[self.eN1 - 1]) ** 2.0
+ (self.ny[self.eN2 - 1] - self.ny[self.eN1 - 1]) ** 2.0
+ (self.nz[self.eN2 - 1] - self.nz[self.eN1 - 1]) ** 2.0
)
# create c objects
self.c_nodes = C_Nodes(len(self.nnode), ip(self.nnode), dp(self.nx), dp(self.ny), dp(self.nz), dp(self.nr))
self.c_reactions = C_Reactions(
len(self.rnode),
ip(self.rnode),
dp(self.rKx),
dp(self.rKy),
dp(self.rKz),
dp(self.rKtx),
dp(self.rKty),
dp(self.rKtz),
rigid,
)
self.c_elements = C_Elements(
len(self.eelement),
ip(self.eelement),
ip(self.eN1),
ip(self.eN2),
dp(self.eAx),
dp(self.eAsy),
dp(self.eAsz),
dp(self.eJx),
dp(self.eIy),
dp(self.eIz),
dp(self.eE),
dp(self.eG),
dp(self.eroll),
dp(self.edensity),
)
# options
exagg_static = 1.0 # not used
self.c_other = C_OtherElementData(options.shear, options.geom, exagg_static, options.dx)
# leave off dynamics by default
self.nM = 0 # number of desired dynamic modes of vibration (below only necessary if nM > 0)
self.Mmethod = 1 # 1: subspace Jacobi 2: Stodola
self.lump = 0 # 0: consistent mass ... 1: lumped mass matrix
self.tol = 1e-9 # mode shape tolerance
self.shift = 0.0 # shift value ... for unrestrained structures
# create list for load cases
self.loadCases = []
# initialize extra mass data
i = np.array([], dtype=np.int32)
d = np.array([])
self.changeExtraNodeMass(i, d, d, d, d, d, d, d, d, d, d, False)
self.changeExtraElementMass(i, d, False)
self.changeCondensationData(0, i, d, d, d, d, d, d, i)
# load c module
mydir = os.path.dirname(os.path.realpath(__file__)) # get path to this file
try:
self._pyframe3dd = np.ctypeslib.load_library(libname, mydir)
except:
mydir = os.path.abspath(os.path.dirname(mydir))
self._pyframe3dd = np.ctypeslib.load_library(libname, mydir)
self._pyframe3dd.run.argtypes = [
POINTER(C_Nodes),
POINTER(C_Reactions),
POINTER(C_Elements),
POINTER(C_OtherElementData),
c_int,
POINTER(C_LoadCase),
POINTER(C_DynamicData),
POINTER(C_ExtraInertia),
POINTER(C_ExtraMass),
POINTER(C_Condensation),
POINTER(C_Displacements),
POINTER(C_Forces),
POINTER(C_ReactionForces),
POINTER(POINTER(C_InternalForces)),
POINTER(C_MassResults),
POINTER(C_ModalResults),
]
self._pyframe3dd.run.restype = c_int
def addLoadCase(self, loadCase):
self.loadCases.append(loadCase)
def clearLoadCases(self):
self.loadCases = []
def changeExtraNodeMass(self, node, mass, Ixx, Iyy, Izz, Ixy, Ixz, Iyz, rhox, rhoy, rhoz, addGravityLoad):
self.ENMnode = np.array(node).astype(np.int32)
self.ENMmass = np.copy(mass)
self.ENMIxx = np.copy(Ixx)
self.ENMIyy = np.copy(Iyy)
self.ENMIzz = np.copy(Izz)
self.ENMIxy = np.copy(Ixy)
self.ENMIxz = np.copy(Ixz)
self.ENMIyz = np.copy(Iyz)
self.ENMrhox = np.copy(rhox)
self.ENMrhoy = np.copy(rhoy)
self.ENMrhoz = np.copy(rhoz)
self.addGravityLoadForExtraNodeMass = addGravityLoad
self.c_extraInertia = C_ExtraInertia(
len(self.ENMnode),
ip(self.ENMnode),
dp(self.ENMmass),
dp(self.ENMIxx),
dp(self.ENMIyy),
dp(self.ENMIzz),
dp(self.ENMIxy),
dp(self.ENMIxz),
dp(self.ENMIyz),
dp(self.ENMrhox),
dp(self.ENMrhoy),
dp(self.ENMrhoz),
)
def changeExtraElementMass(self, element, mass, addGravityLoad):
self.EEMelement = np.array(element).astype(np.int32)
self.EEMmass = np.copy(mass)
self.addGravityLoadForExtraElementMass = addGravityLoad
self.c_extraMass = C_ExtraMass(len(self.EEMelement), ip(self.EEMelement), dp(self.EEMmass))
def changeCondensationData(self, Cmethod, N, cx, cy, cz, cxx, cyy, czz, m):
# I don't think this is actually used in Frame3DD anyway
self.NC = np.array(N).astype(np.int32)
self.cx = np.copy(cx)
self.cy = np.copy(cy)
self.cz = np.copy(cz)
self.cxx = np.copy(cxx)
self.cyy = np.copy(cyy)
self.czz = np.copy(czz)
self.mC = np.array(m).astype(np.int32)
self.c_condensation = C_Condensation(
Cmethod,
len(N),
ip(self.NC),
dp(self.cx),
dp(self.cy),
dp(self.cz),
dp(self.cxx),
dp(self.cyy),
dp(self.czz),
ip(self.mC),
)
def enableDynamics(self, nM, Mmethod, lump, tol, shift):
self.nM = nM
self.Mmethod = Mmethod
self.lump = lump
self.tol = tol
self.shift = shift
def __addGravityToExtraMass(self):
if self.addGravityLoadForExtraNodeMass:
# need to save all in memory
nLC = len(self.loadCases)
self.PLN = [0] * nLC
self.PLFx = [0] * nLC
self.PLFy = [0] * nLC
self.PLFz = [0] * nLC
self.PLMx = [0] * nLC
self.PLMy = [0] * nLC
self.PLMz = [0] * nLC
for icase, lc in enumerate(self.loadCases):
gx = lc.gx
gy = lc.gy
gz = lc.gz
# copy data over for this case
self.PLN[icase] = np.copy(lc.NF)
self.PLFx[icase] = np.copy(lc.Fx)
self.PLFy[icase] = np.copy(lc.Fy)
self.PLFz[icase] = np.copy(lc.Fz)
self.PLMx[icase] = np.copy(lc.Mxx)
self.PLMy[icase] = np.copy(lc.Myy)
self.PLMz[icase] = np.copy(lc.Mzz)
for iextra in range(len(self.ENMnode)):
Nm = self.ENMnode[iextra]
mass = self.ENMmass[iextra]
x = self.ENMrhox[iextra]
y = self.ENMrhoy[iextra]
z = self.ENMrhoz[iextra]
# check if a point load already exists for this node
if Nm in self.PLN[icase]:
idx = np.where(self.PLN[icase] == Nm)[0]
# if so just add it
self.PLFx[icase][idx] += mass * gx
self.PLFy[icase][idx] += mass * gy
self.PLFz[icase][idx] += mass * gz
self.PLMx[icase][idx] += mass * (y * gz - z * gy)
self.PLMy[icase][idx] += mass * (z * gx - x * gz)
self.PLMz[icase][idx] += mass * (x * gy - y * gx)
else:
# otherwise append to end
self.PLN[icase] = np.concatenate([self.PLN[icase], [Nm]])
self.PLFx[icase] = np.concatenate([self.PLFx[icase], [mass * gx]])
self.PLFy[icase] = np.concatenate([self.PLFy[icase], [mass * gy]])
self.PLFz[icase] = np.concatenate([self.PLFz[icase], [mass * gz]])
self.PLMx[icase] = np.concatenate([self.PLMx[icase], [mass * (y * gz - z * gy)]])
self.PLMy[icase] = np.concatenate([self.PLMy[icase], [mass * (z * gx - x * gz)]])
self.PLMz[icase] = np.concatenate([self.PLMz[icase], [mass * (x * gy - y * gx)]])
lc.pL = C_PointLoads(
len(self.PLN[icase]),
ip(self.PLN[icase]),
dp(self.PLFx[icase]),
dp(self.PLFy[icase]),
dp(self.PLFz[icase]),
dp(self.PLMx[icase]),
dp(self.PLMy[icase]),
dp(self.PLMz[icase]),
)
if self.addGravityLoadForExtraElementMass:
L = self.eL
# add to interior point load
# save all data in memory
nLC = len(self.loadCases)
self.IPLE = np.array([[] * nLC])
self.IPLPx = np.array([[] * nLC])
self.IPLPy = np.array([[] * nLC])
self.IPLPz = np.array([[] * nLC])
self.IPLxE = np.array([[] * nLC])
for icase, lc in enumerate(self.loadCases):
gx = lc.gx
gy = lc.gy
gz = lc.gz
# iterate through additional mass
for iextra in range(len(self.EEMelement)):
element = self.EEMelement[iextra]
mass = self.EEMmass[iextra]
LE = L[element - 1]
# check whether an element load already exists for this element
if element in self.IPLE[icase]:
idx = np.where(self.IPLE[icase] == element)[0]
# if so we just add the weight loads
self.IPLPx[icase][idx] += mass * gx
self.IPLPy[icase][idx] += mass * gy
self.IPLPz[icase][idx] += mass * gz
# TODO: assumes xE does not change
else:
# otherwise append to the end
self.IPLE[icase] = np.append(self.IPLE[icase], element)
self.IPLPx[icase] = np.append(self.IPLPx[icase], mass * gx)
self.IPLPy[icase] = np.append(self.IPLPy[icase], mass * gy)
self.IPLPz[icase] = np.append(self.IPLPz[icase], mass * gz)
self.IPLxE[icase] = np.append(self.IPLxE[icase], 0.5 * LE)
# self.IPLE = np.concatenate([lc.ELE, element])
# self.IPLPx = np.concatenate([lc.Px, mass*gx])
# self.IPLPy = np.concatenate([lc.Py, mass*gy])
# self.IPLPz = np.concatenate([lc.Pz, mass*gz])
# self.IPLxE = np.concatenate([lc.xE, 0.5*LE])
lc.eL = C_ElementLoads(
len(self.IPLE[icase]),
ip(self.IPLE[icase]),
dp(self.IPLPx[icase]),
dp(self.IPLPy[icase]),
dp(self.IPLPz[icase]),
dp(self.IPLxE[icase]),
)
def run(self):
nCases = len(self.loadCases) # number of load cases
nN = len(self.nodes.node) # number of nodes
nE = len(self.elements.element) # number of elements
nR = len(self.reactions.node) # number of reactions
nM = self.nM # number of modes
if nCases == 0:
print("error: must have at least 1 load case")
return
self.__addGravityToExtraMass()
# initialize output arrays
dout = NodeDisplacements(
np.zeros((nCases, nN), dtype=np.int32),
np.zeros((nCases, nN)),
np.zeros((nCases, nN)),
np.zeros((nCases, nN)),
np.zeros((nCases, nN)),
np.zeros((nCases, nN)),
np.zeros((nCases, nN)),
)
fout = ElementEndForces(
np.zeros((nCases, 2 * nE), dtype=np.int32),
np.zeros((nCases, 2 * nE), dtype=np.int32),
np.zeros((nCases, 2 * nE)),
np.zeros((nCases, 2 * nE)),
np.zeros((nCases, 2 * nE)),
np.zeros((nCases, 2 * nE)),
np.zeros((nCases, 2 * nE)),
np.zeros((nCases, 2 * nE)),
)
rout = NodeReactions(
np.zeros((nCases, nR), dtype=np.int32),
np.zeros((nCases, nR)),
np.zeros((nCases, nR)),
np.zeros((nCases, nR)),
np.zeros((nCases, nR)),
np.zeros((nCases, nR)),
np.zeros((nCases, nR)),
)
dx = self.options.dx
ifout = [0] * nE
for i in range(nE):
L = self.eL[i]
nIF = int(max(math.floor(L / dx), 1)) + 1
ifout[i] = InternalForces(
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
np.zeros((nCases, nIF)),
)
mout = NodeMasses(
0.0,
0.0,
np.zeros(nN, dtype=np.int32),
np.zeros(nN),
np.zeros(nN),
np.zeros(nN),
np.zeros(nN),
np.zeros(nN),
np.zeros(nN),
)
modalout = Modes(
np.zeros(nM),
np.zeros(nM),
np.zeros(nM),
np.zeros(nM),
np.zeros((nM, nN), dtype=np.int32),
np.zeros((nM, nN)),
np.zeros((nM, nN)),
np.zeros((nM, nN)),
np.zeros((nM, nN)),
np.zeros((nM, nN)),
np.zeros((nM, nN)),
)
# create c structs
c_loadcases = (C_LoadCase * nCases)()
c_disp = (C_Displacements * nCases)()
c_forces = (C_Forces * nCases)()
c_reactions = (C_ReactionForces * nCases)()
c_internalForces = (POINTER(C_InternalForces) * nCases)()
for i in range(nCases):
lci = self.loadCases[i]
c_loadcases[i] = C_LoadCase(lci.gx, lci.gy, lci.gz, lci.pL, lci.uL, lci.tL, lci.eL, lci.tempL, lci.pD)
c_disp[i] = C_Displacements(
ip(dout.node[i, :]),
dp(dout.dx[i, :]),
dp(dout.dy[i, :]),
dp(dout.dz[i, :]),
dp(dout.dxrot[i, :]),
dp(dout.dyrot[i, :]),
dp(dout.dzrot[i, :]),
)
c_forces[i] = C_Forces(
ip(fout.element[i, :]),
ip(fout.node[i, :]),
dp(fout.Nx[i, :]),
dp(fout.Vy[i, :]),
dp(fout.Vz[i, :]),
dp(fout.Txx[i, :]),
dp(fout.Myy[i, :]),
dp(fout.Mzz[i, :]),
)
c_reactions[i] = C_ReactionForces(
ip(rout.node[i, :]),
dp(rout.Fx[i, :]),
dp(rout.Fy[i, :]),
dp(rout.Fz[i, :]),
dp(rout.Mxx[i, :]),
dp(rout.Myy[i, :]),
dp(rout.Mzz[i, :]),
)
c_internalForces[i] = (C_InternalForces * nE)()
for j in range(nE):
(c_internalForces[i])[j] = C_InternalForces(
dp(ifout[j].x[i, :]),
dp(ifout[j].Nx[i, :]),
dp(ifout[j].Vy[i, :]),
dp(ifout[j].Vz[i, :]),
dp(ifout[j].Tx[i, :]),
dp(ifout[j].My[i, :]),
dp(ifout[j].Mz[i, :]),
dp(ifout[j].Dx[i, :]),
dp(ifout[j].Dy[i, :]),
dp(ifout[j].Dz[i, :]),
dp(ifout[j].Rx[i, :]),
)
total_mass = c_double()
struct_mass = c_double()
c_massResults = C_MassResults(
pointer(total_mass),
pointer(struct_mass),
ip(mout.node),
dp(mout.xmass),
dp(mout.ymass),
dp(mout.zmass),
dp(mout.xinrta),
dp(mout.yinrta),
dp(mout.zinrta),
)
c_modalResults = (C_ModalResults * nM)()
freq = [0] * nM
xmpf = [0] * nM
ympf = [0] * nM
zmpf = [0] * nM
for i in range(nM):
freq[i] = c_double()
xmpf[i] = c_double()
ympf[i] = c_double()
zmpf[i] = c_double()
c_modalResults[i] = C_ModalResults(
pointer(freq[i]),
pointer(xmpf[i]),
pointer(ympf[i]),
pointer(zmpf[i]),
ip(modalout.node[i, :]),
dp(modalout.xdsp[i, :]),
dp(modalout.ydsp[i, :]),
dp(modalout.zdsp[i, :]),
dp(modalout.xrot[i, :]),
dp(modalout.yrot[i, :]),
dp(modalout.zrot[i, :]),
)
# set dynamics data
exagg_modal = 1.0 # not used
c_dynamicData = C_DynamicData(self.nM, self.Mmethod, self.lump, self.tol, self.shift, exagg_modal)
exitCode = self._pyframe3dd.run(
self.c_nodes,
self.c_reactions,
self.c_elements,
self.c_other,
nCases,
c_loadcases,
c_dynamicData,
self.c_extraInertia,
self.c_extraMass,
self.c_condensation,
c_disp,
c_forces,
c_reactions,
c_internalForces,
c_massResults,
c_modalResults,
)
nantest = np.isnan(np.c_[fout.Nx, fout.Vy, fout.Vz, fout.Txx, fout.Myy, fout.Mzz])
if (exitCode == 182 or exitCode == 183) and not np.any(nantest):
pass
elif exitCode != 0 or np.any(nantest):
raise RuntimeError("Frame3DD did not exit gracefully")
# put mass values back in since tuple is read only
mout = NodeMasses(
total_mass.value,
struct_mass.value,
mout.node,
mout.xmass,
mout.ymass,
mout.zmass,
mout.xinrta,
mout.yinrta,
mout.zinrta,
)
# put modal results back in
for i in range(nM):
modalout.freq[i] = freq[i].value
modalout.xmpf[i] = xmpf[i].value
modalout.ympf[i] = ympf[i].value
modalout.zmpf[i] = zmpf[i].value
return dout, fout, rout, ifout, mout, modalout
def write(self, fname):
f = open(fname, "w")
f.write("pyFrame3dd auto-generated file\n")
f.write("\n")
f.write(str(len(self.nnode)) + " # number of nodes\n")
f.write("#.node x y z r\n")
f.write("# m m m m\n")
f.write("\n")
for k in range(len(self.nnode)):
f.write(
str(self.nnode[k])
+ "\t"
+ str(self.nx[k])
+ "\t"
+ str(self.ny[k])
+ "\t"
+ str(self.nz[k])
+ "\t"
+ str(self.nr[k])
+ "\n"
)
f.write("\n")
f.write(str(len(self.rnode)) + " # number of nodes with reactions\n")
f.write("#.n x y z xx yy zz 1=fixed, 0=free\n")
for k in range(len(self.rnode)):
f.write(
str(self.rnode[k])
+ "\t"
+ str(self.rKx[k])
+ "\t"
+ str(self.rKy[k])
+ "\t"
+ str(self.rKz[k])
+ "\t"
+ str(self.rKtx[k])
+ "\t"
+ str(self.rKty[k])
+ "\t"
+ str(self.rKtz[k])
+ "\n"
)
f.write("\n")
f.write(str(len(self.eelement)) + " # number of frame elements\n")
f.write("#.e n1 n2 Ax Asy Asz Jxx Iyy Izz E G roll density\n")
f.write("# . . m^2 m^2 m^2 m^4 m^4 m^4 Pa Pa deg kg/m^3\n")
for k in range(len(self.eelement)):
f.write(
str(self.eelement[k])
+ "\t"