Hodograph for Punch Operation (Hosford and Cadell 2E 8-3)

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Homework Statement


Hosford+Caddell_8-3.jpg


Homework Equations



dW/dt = k ∑ (S⋅V*)

dW/dt = P (w/2) Vp

The Attempt at a Solution



Attached: img005.pdf

I have some idea about the orientation of V* 1-4 based on the upper-bound field provided. Unsure if I should include a V5. Is there shear on CE? (Wrote DE in my work but meant CE) Also unsure what the magnitude of V*CE would be.

I got P/2k = 8. Seems high
 

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Rotated image!

Hosford+Caddell_8-3-3.png
 

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