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index
http://www.cs.purdue.edu/homes/cmh/simulation/index.html
http://www.cs.purdue.edu/homes/cmh/simulation/phase1/
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9/11
Attack Simulations Using LS-Dyna
Phase 4 Preview: Post-processed simulations rendered using
3DSmax
http://www.cs.purdue.edu/homes/cmh/simulation/phase4/index.html
September 11, 2001
9/11 Attack Simulations Using LS-Dyna
Phase 4 Preview: Post-processed simulations
rendered using 3DSmax
Core Team: Voicu Popescu, Paul Rosen,
Christoph Hoffmann, Ayhan Irfanoglu
Purdue Simulation and ASCE report Pentagon 9/11
The building is between 921 922 feet long , and
the distance between column centers is 10' to 10' 1" .
The height to the roof edge is 71', and 77 to 78' to the
crest of the roof gable.
In the sim shown below, the plane is quite
low to the ground. It apparently hit several light
poles,
indicating that it stayed paralel to the
ground for quite a long distance. (it did not nose dive from
above)
Here the cable reels are shown as black
circles, the wing and lower hanging engine would have had to clear
these cable spools which stood as tall as 7 ft.
The fuselage and wings are shown to be entering on the ground floor
only.
Why did they not take the tail into
consideration?
The top of the tail rudder would have hit the 3rd floor even if the
plane was at ground level. (which it could not have been,
the engines would have left gouges in the grass which we know
were not present)
ASCE REPORT
memory.loc.gov/pnp/prok/01700/
Notice here the entry point.
The "wing root" where the wing meets the fuselage is one of the
strongest parts of the plane. This should have hit right where the
word "column 15" and underlying arrow are.
This particular camera angle shows the approximate angle of
attack.
The official report indicates that the plane hit at an angle, with
the right wing higher.
If this is so, why is all of the damage on the ground floor?
Notice in this sim, the plane is striking between the first and
second floors.
The fuselage would have had to travel through the floor of the
second story.
The sim showing the columns being struck, does not take this into
account, it only shows the bottom floor columns and disregards the
concrete and steel floor structure.
simulation 
Here is a compostie of what a 757 should look like against the
building.
perso.wanadoo.fr/ericbart/images/silentbutdeadly-planewall.jpg
Here is a composite showing structural
damage.
The columns are spaced 10 ft.
apart.
What caused the damage to the wall on the second
floor ( the top red line)?
Why is there no damage inbetween the main entrance
hole and the damage to the right which is over 30 ft.
away?
The Purdue sim shows the wing entering the bottom
floor.
Here again they are only showing ground floor
damage, with the wings paralel to the ground.
Pentagon
Attack 9-11 review
Pentagon Attack Damage - 9-11 Review
Response to snopes pentagon "rumor" urban legend
9/11
9/11
Pentagon debris missile? or contractors
trailer
Pentagon Attack Cctv Video - 9-11
Review
Photos of the actual structure damage to the
columns...
damage photos of the
pentagon
more
photos
Anaysis of the angle of attack, considering
the height of the wings, clearance of the generator, and light
poles struck.
757
specifications
Showing the main probelms with the idea that a
757 hit the Pentagon.
investigate 9/11
pentagon
graphics
no 757 hit the
pentagon
Chandra
Levy Saves GW Bush -Rudi Giuliani + 9/11
References...
ifrance.com/silentbutdeadly/compmix2.jpg
illustrations.pdf
American Society of Civil
Engineers.
Pentagon Building Performance Report
pentagonVis2003.mpeg
http://911review.org
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