Periodic elements

 

a) H=E/10,000

 

b) H=E/5

Uniaxial transverse stress for element number and element type

 

2nd order  elements, r is reduced integration, except for the plots labeled with points 50 equal increments to reach 1% strain, small strain approximation, Von Mises yield, 40% fiber volume, with properties as follows

 

Material

E (GPa)

n

sy (MPa)

H (GPa)

Boron fiber

414.

0.2

-

-

Aluminum matrix

55.2

0.3

88.0

E/10,000 & E/5

 

          

1056                                                     192r

                         

112r                                                     80r

        

24r                                                       16r

Cumulative plastic strain (%) at e22=1%, 10*deformation, H=E/10,000

 

1056                                         192r

 

112r                                         80r

 

24r                                           16r

Cumulative plastic strain (%) at e22=1%, 10*deformation, H=E/5