OSE: 8000 3Point Bending of Phone
In this example, 3point bending analysis of a phone is performed to check the flexural strength of the phone.
Model Files
Refer to Access the Model Files to download the required model file(s).
The model file used in this example includes:
3point_bending_of_Phone.fem
Model Description



 Bolt and carrier plate
 Steel nonlinear material
 Frame, button and front back cover (polymer plastic)
 Young's modulus
 2000 $\left[\mathrm{MPa}\right]$
 Poisson's ratio
 0.4
 Density
 1.1e9 $\left[\frac{\text{k}\text{g}}{\text{m}{\text{m}}^{3}}\right]$
Strain  Stress 

0  50 
0.01  55 
0.1  60 
0.3  65 
 Glass
 Young's modulus
 70000 $\left[\mathrm{MPa}\right]$
 Poisson's ratio
 0.3
 Density
 2.5e9 $\left[\frac{\text{k}\text{g}}{\text{m}{\text{m}}^{3}}\right]$
 Carrier plastic (glass fiber plastic)
 Young's modulus
 10000 $\left[\mathrm{MPa}\right]$
 Poisson's ratio
 0.4
 Density
 1.4e9 $\left[\frac{\text{k}\text{g}}{\text{m}{\text{m}}^{3}}\right]$
Strain  Stress 

0  100 
0.01  120 
0.054  140 
 Gasket
 Gasket material, MATHE, Model OGDEN
 Buttons rubber
 Rubber material, MATHE, Model OGEDEN
Results
 Displacement plot of phone bending:
 Stress plot:
With a stress of 587 $\left[\mathrm{MPa}\right]$ on the glass of the phone indicates that glass will break at the location (Figure 3).