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QUIZ: wire bending

skunks
18-Opal

QUIZ: wire bending

quiz3.JPG

6 REPLIES 6

 BELOW IS MY ANSWER TO THE QUIZ

 

 

 

 

 

 

 

 

Mu is the coefficient of friction static=dynamic

 

Graph.PNG

 

Wirebendmoddel.PNG

 

Contacts, prismatic elements, and left end constraint "in plane"

WirebendContact.PNG

 

Right end constraint for symmetry and enforced displacment.

wirebend_enforced_plus_symm.PNG

 

SOLVE TIME APPROXIMATELY 100 seconds.

 

Elements:              142

  Contacts:         1

------------------------------------------------------------

Standard Design Study

Static Analysis "Wire2_mu_op3":
Contact Analysis
Large Deformation Analysis

        Time Step 2 of 81:    1.25000e-02
        Contact Area:  8.18123e-02
        Calculating Disp and Stress Results     (13:37:09)
        Solving Equations                       (13:37:10)
        Time Step 3 of 81:    2.50000e-02
*** sliding first Occurred
*** Interface1:locally sliding
*** Interface1:fully sliding
        Contact Area:  8.18122e-02
        Calculating Disp and Stress Results     (13:37:12)
        Solving Equations                       (13:37:12)
        Time Step 4 of 81:    3.75000e-02

 

 

very good

 

what about z=-100 mm? (oddly interesting effect)

yes, I see a maxima around 85mm,  47N for Mu=0.3

F_z.JPG

 

(without Mu)

"... 47N for Mu=0.3..."

47N x 2 (?)

Oops again.

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