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How to draw the PDOF?

Posted: Wed Oct 21, 2020 12:26 pm
by MSI
Q: In preparation for ACTAR exam I am having trouble finding how to draw the PDOF force vector. I calculated it correctly and know you draw the vector through the center of damage. My question is where do you measure the angle from? The center of the damage? The cross of the x and y axis of the vehicle? Any resource or document that can help explain this? Thanks

Please see our topic What is PDOF?
It includes a link to NASS Field Techniques: Volume IV CRASH MEASUREMENTS: DIRECTION OF PRINCIPAL FORCE
which is an excellent discussion/presentation of what is PDOF!