pyNastran
0.5.0
pyNastran BDF Reader/Writer, OP2 Parser, and GUI
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Go to the source code of this file.
Packages | |
namespace | inertiaFormulas |
Functions | |
def | inertiaFormulas.bar |
The purpose of this code is to automatically generate the moment of inertia equations. | |
def | inertiaFormulas.cross |
y b1 ^ b3 | b2 a---p1--b | | | h1 k--l | c-----d | | | | o---------p2-> x h2 | | j--i f-----e | | h3 | | h-------g | |
def | inertiaFormulas.box |
y ^ | w1 | w2 w3 | a-----p1------b | | | h1 | e--|----f | | | | | | | | | | | h2 | | o-------|--> x | | | | | h-------g | | | h3 d-------------c | |
def | inertiaFormulas.Box1 |
y ^ | w1 | w2 w3 | a-----p1------b | | | h1 | e--|----f | | | | | | | | | | | h2 | | o-------|--> x | | | | | h-------g | | | h3 d-------------c | |
def | inertiaFormulas.T |
y ^ | a---k-p1-l---b | | | h1 | | | h---g | d---c | | | | o----------> x | | | | h2 j f----e i w1 w2 w3 | |
def | inertiaFormulas.Ixx |
from http://en.wikipedia.org/wiki/Second_moment_of_area J_{xx} = {1}{12} {i = 1}^{n-1} ( y_i^2 + y_i y_{i+1} + y_{i+1}^2 ) a_i J_{yy} = {1}{12} {i = 1}^{n-1} ( x_i^2 + x_i x_{i+1} + x_{i+1}^2 ) a_i J_{xy} = {1}{24} {i = 1}^{n-1} ( x_i y_{i+1} + 2 x_i y_i + 2 x_{i+1} y_{i+1} + x_{i+1} y_i ) a_i | |
def | inertiaFormulas.add |
def | inertiaFormulas.sub |
def | inertiaFormulas.subx |
def | inertiaFormulas.suby |
def | inertiaFormulas.addx |
def | inertiaFormulas.addy |