true strain calculations

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For the Constant Strain of 0.3 Pass No. Initial Diment 1 14.92 ### y 0.8 2 11.05 8.19 z 3 8.19 6.07 y 4 6.07 4.49 z 5 4.49 3.33 y % Reduction 6 3.33 2.47 z -83.470111178 For the Constant Strain of 0.3 Pass No. Initial Diment 1 15.75 14.25 z 2 14.25 12.90 y 3 12.90 11.67 z 4 11.67 10.56 y 5 10.56 9.55 z % Reduction 6 9.55 8.64 y -45.118836391 7 8.64 7.82 8 7.82 7.08 9 7.08 6.40 10 6.40 5.79 11 5.79 5.24 12 5.24 4.74 13 4.74 4.29 14 4.29 3.88 15 3.88 3.51 16 3.51 3.18 17 3.18 2.88 18 2.88 2.60 19 2.60 2.36 20 2.36 2.13 21 2.13 1.93 22 1.93 1.75 23 1.75 1.58 24 1.58 1.43 25 1.43 1.29 26 1.29 1.17 27 1.17 1.06 28 1.06 0.96 29 0.96 0.87 Final Dimention Actual Dimentions Final Dimention

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True Strain CalculationsCalculator for Engineers

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Sheet1For the Constant Strain of 0.3Pass No.Initial DimentionFinal DimentionActual Dimentions114.9211.05y0.8211.058.19z38.196.07y46.074.49z54.493.33y% ReductionTrue StrainUnit should be compatible63.332.47z-83.47011117781.8Roll Velocity =5.687Roll Diameter =103.7h initial =14.92h final =13.5For the Constant Strain of 0.3Pass No.Initial DimentionFinal DimentionAverage strain rate =0.046871164115.7514.25z214.2512.90y312.9011.67z411.6710.56y510.569.55z% ReductionTrue Strain69.558.64y-45.11883639060.678.647.8287.827.0897.086.40106.405.79115.795.24125.244.74134.744.29144.293.88153.883.51163.513.18173.182.88182.882.60192.602.36202.362.13212.131.93221.931.75231.751.58241.581.43251.431.29261.291.17271.171.06281.060.96290.960.87

Sheet2

Sheet3