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Updates to Volume II between June 11, 2026 and October 29, 2026
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We describe in the following how Volume II of the DRAFT User's Manual has changed since the last DRAFT manual. We categorize the changes into New and Error Fixes and Clarifications. We exclude typo fixes and prosaic rearrangements from this document.

New
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*EOS_043/*EOS_LEE-TARVER: Added parts c and d to Remark 7.

*MAT_ADD_COHESIVE_FATIGUE: New keyword.

*MAT_ADD_DAMAGE_DIEM: Added last sentence to the end of the second paragraph of item 3 in the Damage Initiation section.

*MAT_ADD_INELASTICITY: Added Card 6f. Added item e under the Creep (LAW = 5) subheading. Added item c under the Viscoelasticity (LAW = 6) subheading.  

*MAT_NONLOCAL_GRADIENT_DAMAGE: New keyword.

*MAT_041-050/*MAT_USER_DEFINE_MATERIAL_MODELS: Added ITHERM = 2 (and adjusted ITHERM = 1).

*MAT_119/*MAT_GENERAL_NONLINEAR_6DOF_DISCRETE_BEAM: Added IVDFLG to Card 4.

*MAT_156/*MAT_MUSCLE: Added SVRST to Card 2.

*MAT_159/*MAT_CSCM: Added Cards 9 and 10. Added Remark 12 and a figure.

*MAT_172/*MAT_CONCRETE_EC2: Added LCRATE and UNITS to Card 8. Added history variables 66, 71, and 72 to the table in Remark 8. Added section on Strain Rate Effects that includes a new figure.

*MAT_331/*MAT_IMPACT_ORTHOTROPIC: Added TFAIL, EFSTYPE, and EFS to card 5. Added EFPS to Card 8. Added Card 9. Added last sentence to Remark 3. 

Error Fixes and Clarifications
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*EOS_043/*EOS_LEE-TARVER: Rewrote description of WREAC on Card 2.

*EOS_044/*EOS_AERATED_WATER: GAMMA was missing and should have been in column 5 of Card 1. BULKW, P0, and PMAX should have been shifted over by one column.

Material Model Reference Tables: *MAT_264 does not support coupling with an EOS.

*MAT_ADD_DAMAGE_DIEM: Added last sentence to the second item in the Damage Evolution section.

*MAT_054/*MAT_ENHANCED_COMPOSITE_DAMAGE: Added Remark 7.

*MAT_084/*MAT_WINFRITH_CONCRETE: LCFCT and LCFTT on Card 5 were in the wrong order on the card. In Remark 23, effective total strain rate should have been effective deviatoric strain rate.

*MAT_273/*MAT_CONCRETE_DAMAGE_PLASTIC_MODEL: Fixed link right above the card tables.

*MAT_280/*MAT_GLASS: Clarified descriptions of AC and AT.

*MAT_SPH_02/*MAT_SPH_INCOMPRESSIBLE_FLUID: Changed the default value of MU to none. Added sentence to description of MU about MU = 0.0 not being allowed.