SoniSys OPUS 3-D Polar Test Results

 

            

             File Name:          A-3_POLAR_20100625_141728.txt

             Specimen ID:                  A-3

             Test Description:            G-186-3

             Test Date:                        Friday, June 25, 2010

             Test Time:                       2:17:28 PM

             Grammage:                    204.8     g/m^2

             Thickness:                       304.7     um

             Density:                           672.2     kg/m^3

             Stepping Angle:              18.0       degrees

 

 

Stiffness Orientation Angle          -5.06      degrees

MD Long. Specific Stiff.               11.81     (km/s)^2

CD Long. Specific Stiff.                 4.30     (km/s)^2

MD/CD Long. Stiffness Ratio         2.75

Max Long. Specific Stiff.              11.84     (km/s)^2

Min Long. Specific Stiff.                4.36      (km/s)^2

Max/Min Long. Stiffness Ratio      2.72

MD Long. Elastic Stiff.                   7.94      GPa

CD Long. Elastic Stiff.                   2.89      GPa

Max Long. Elastic Stiff.                 7.96      GPa

Min Long. Elastic Stiff.                   2.93      GPa

 

Polar Equation ("x" = angle in degrees):

 

Stiffness = a * (1 + b * cos(2 * (x - p)/57.295) + c * cos(4 * (x - p)/57.295))

 

Polar Equation Coeff a                7.237

Polar Equation Coeff b                0.517

Polar Equation Coeff c                 0.119

Polar Equation Coeff p              -5.064

 

 

Angle     Stiffness                                                   

0.0           11.810                                                   

18.0          9.729                                        

36.0          6.937                                        

54.0          4.975                                        

72.0          4.411                                        

90.0          4.296                                        

108.0        4.673                                        

126.0        5.972                                        

144.0        8.419                                        

162.0       11.147                                                   

180.0       11.810                                                   

198.0        9.729                                        

216.0        6.937                                        

234.0        4.975                                        

252.0        4.411                                        

270.0        4.296                                        

288.0        4.673                                        

306.0        5.972                                        

324.0        8.419                                        

342.0       11.147