terjehaukaas

# ------------------------------------------------------------------------
# The following Python code is implemented by Professor Terje Haukaas at
# the University of British Columbia in Vancouver, Canada. It is made
# freely available online at terje.civil.ubc.ca together with notes,
# examples, and additional Python code. Please be cautious when using
# this code; it may contain bugs and comes without warranty of any kind.
# ------------------------------------------------------------------------

import numpy as np

terjehaukaas

import numpy as np
import os

def readPEERrecord(f):

    rawGroundMotion = []
    dt = 0
    file = open(f, "r")
    lines = file.readlines()

terjehaukaas

# ------------------------------------------------------------------------
# The following Python code is implemented by Professor Terje Haukaas at
# the University of British Columbia in Vancouver, Canada. It is made
# freely available online at terje.civil.ubc.ca together with notes,
# examples, and additional Python code. Please be cautious when using
# this code; it may contain bugs and comes without warranty of any kind.
# ------------------------------------------------------------------------

from G2AnalysisLinearStatic import *
from G2Model import *

terjehaukaas

# ------------------------------------------------------------------------
# The following Python code is implemented by Professor Terje Haukaas at
# the University of British Columbia in Vancouver, Canada. It is made
# freely available online at terje.civil.ubc.ca together with notes,
# examples, and additional Python code. Please be cautious when using
# this code; it may contain bugs and comes without warranty of any kind.
# ------------------------------------------------------------------------

from G2AnalysisLinearDynamic import *
from G2Model import *

terjehaukaas

# ------------------------------------------------------------------------
# The following Python code is implemented by Professor Terje Haukaas at
# the University of British Columbia in Vancouver, Canada. It is made
# freely available online at terje.civil.ubc.ca together with notes,
# examples, and additional Python code. Please be cautious when using
# this code; it may contain bugs and comes without warranty of any kind.
# ------------------------------------------------------------------------

from G2AnalysisLinearStatic import *
from G2Model import *

terjehaukaas

# ------------------------------------------------------------------------
# The following Python code is implemented by Professor Terje Haukaas at
# the University of British Columbia in Vancouver, Canada. It is made
# freely available online at terje.civil.ubc.ca together with notes,
# examples, and additional Python code. Please be cautious when using
# this code; it may contain bugs and comes without warranty of any kind.
# ------------------------------------------------------------------------

# Input [N, m, kg, sec]
elementType = 12

terjehaukaas

# ------------------------------------------------------------------------
# The following Python code is implemented by Professor Terje Haukaas at
# the University of British Columbia in Vancouver, Canada. It is made
# freely available online at terje.civil.ubc.ca together with notes,
# examples, and additional Python code. Please be cautious when using
# this code; it may contain bugs and comes without warranty of any kind.
# ------------------------------------------------------------------------

# Input [N, m, kg, sec]
elementType = 12

terjehaukaas

from G2AnalysisNonlinearDynamic import *
from G2Model import *
from GroundMotionHalfSineWave import *
font = {'family' : 'Times New Roman','size' : 12}
plt.rc('font', **font)

# This example takes features from Figure 3 in the paper by John F. Hall entitled
# Problems encountered from the use (or misuse) of Rayleigh damping, published in
# 2006 in Earthquake Engineering & Structural Dynamics, Volume 35.

terjehaukaas

# ------------------------------------------------------------------------
# The following Python code is implemented by Professor Terje Haukaas at
# the University of British Columbia in Vancouver, Canada. It is made
# freely available online at terje.civil.ubc.ca together with notes,
# examples, and additional Python code. Please be cautious when using
# this code; it may contain bugs and comes without warranty of any kind.
# ------------------------------------------------------------------------

from G2AnalysisNonlinearDynamic import *
from G2Model import *

terjehaukaas

from G2AnalysisSDOFNonlinearDynamic import *
from G2MaterialBilinear import *
import numpy as np
import matplotlib.pyplot as plt

# Target natural period of structure
structuralPeriod = 0.5

# Material parameters [N, m]
E = 1e4