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scan0039 - 6-14 Wizards& Tools Change the stress tool...

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Unformatted text preview: 6-14 Wizards & Tools Change the stress tool theory from Max Equivalent to Mohr—Coulomb Stress. 8. Solution > Stress Tool > Molar-Coulomb Stress g— «Eilfi Solution i 1 - 4.3:] Solution Information l g® Total Deformation 553% Maximum Principal StreSs 1% Minimum Principal Stress 3%? iii] Stress Tool 3 fjfi Safety Factor 1 ~ 4% Safety Margin WWWMWWWSWMW : "7 efinition . ' fiThe-ziry- 'j3 2'] Stress Limit Type Max Equivalent Stress c. .. Max Shear Stress Max Tensile Stress arliéq‘uiy‘alentlStress ' " ' ' 4." Figure 6—24 Project tree. Make sure the Limit Types are the material Ultimate Strengths. 9. Solution > Stress Tool > Tensile Limit Type > Tensile Ultimate Per Material 10. Solution > Stress Tool > Compressive Limit Type > Compressive Ultimate Per Material _ of "St ' i Definitlon dimiMohr-Coulomb Stress i ; ‘T'erisile Limit-T __ _ Tensile Ultimate Per Mate...:_§ essiye Limit Type 2Comp. Ultimate Per Material : t Figure 6-25 Details of Stress Tool. The Mohr—Coulomb method may be used to predict failure of parts made from brittle materials. The Mohr—Coulomb method takes into account the differences between tensile ultimate strength and compressive ultimate strength that are common in brittle materials. The method compares the maximum principal tensile stress 0'l to the material ultimate tensile strength Sm and the minimum principal stress 0'3 with the material ultimate compressive strength S “C . No fracture is predicted if ...
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