Yield criterion in the Elastoplastic Material dialog box (Simcenter Samcef)

Property View

To define the yield criterion for a Samcef isotropic material, from the Property View list for an Isotropic material, select Samcef Isotropic Structure.

To define the yield criterion for a Samcef orthotropic material, from the Property View list for an Orthotropic material, select Samcef Orthotropic Structure.

To define the yield criterion for a Samcef anisotropic material, from the Property View list for an Anisotropic material, select the Samcef Anisotropic Structure.

Mechanical page

Stress-Strain Related Properties
Yield Function Criterion (YF)	Specifies the yield function:von MisesTrescaMohr-CoulombDrucker-PragerRaghavaHillHill by Stress Ratios****Gray Cast Iron
Stress-Strain Input Data Type	Lets you define the stress-strain law type.You can choose between:Engineering Stress-Strain.Engineering-Plastic Strain.True Stress-Log Strain.True Stress-Plastic Strain.Undefined.
Ratio of Compressive and Tensile Yield Stresses (S)	Appears when the Yield Function Criterion (YF) list is set to Raghava.Sets the ratio between the compressive and tensile stresses.For more information see the SCT parameter in the Samcef Elastoplastic material page.
Initial Tensile Yield Stress (XT2), Initial Tensile Yield Stress (XT3)	Appears when the Yield Function Criterion (YF) list is set to Hill.Sets the tensile stress limits.The major Hill tensile stress limit value is computed from the value of the Stress-Strain (H) law at the origin and for the given Reference Temperature.For more information see the XT parameter in the Samcef Elastoplastic material page.
Shear Yield Stress (RST), Shear Yield Stress (RSTT2), Shear Yield Stress (RST3)	Appears when the Yield Function Criterion (YF) list is set to Hill.Sets the shear yield stresses.For more information see the RST parameter in the Samcef Elastoplastic material page.
Stress-Strain (H)	Sets value for stress-strain based on the specified Stress-Strain Input Data Type.For more information see the XIT parameter in the Samcef Elastoplastic material page.

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Yield criterion in the Elastoplastic Material dialog box (Simcenter Samcef), Simcenter 3D 2021.1 Series

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