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Updates to Volume II between March 12, 2026 June 11, 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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*MAT_ADD_EROSION: Added DIAGR and EDGER to Card 5. Added argument float eng to FFUNC (see Remark 5) to have internal energy as a function argument.

*MAT_ADD_INELASTICITY: Added flag ILC to Card 6d.

*MAT_ADD_MICRO: New keyword.

*MAT_ADD_PORE_AIR: Added < 0 case for PORE.

*MAT_015/*MAT_JOHNSON_COOK: Added A < 0.0.

*MAT_138/*MAT_COHESIVE_MIXED_MODE: Added CTS to Card 2 and Remark 6. 

*MAT_240/*MAT_COHESIVE_MIXED_MODE_ELASTOPLASTIC_RATE: Added USRFAIL to Card 6. Also added Cards 7 and 8.

*MAT_251/*MAT_TAILORED_PROPERTIES: Added keyword option LOG_INTERPOLATION. Modified the last sentence in the Tabular Data paragraph of the description for LCSS.

*MAT_296/*MAT_ANAND_VISCOSPLASTICITY: Added YM and PR < 0.0 cases.

*MAT_303/*MAT_DMN_COMPOSITE_FRC: Added to last paragraph above Card Summary that this material is supported for shell type 26 and SPG. Added formulation 26 to the first sentence of Remark 6b. Added second paragraph to Remark 6b (third paragraph was previously in the first paragraph but was moved to a third paragraph for clarity).  

*MAT_307/*MAT_GENERALIZED_ADHESIVE_CURING: Added two sentences to the end of the second paragraph of Remark 14. Added last two sentences to the third paragraph of Remark 14.

*MAT_331/*MAT_IMPACT_ORTHOTROPIC: New keyword.

*MAT_ISPG_05/*MAT_ISPG_CROSS_WLF_MODEL: New keyword.

Error Fixes and Clarifications
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*MAT_020/*MAT_RIGID: Fixed last sentence of the second paragraph of Remark 5. Added in explicit simulations to the first sentence of the third paragraph of Remark 5. Added last sentence to item a of Remark 5. 

*MAT_187/*MAT_SAMP-1: Added Remark 6.

*MAT_187L/*MAT_SAMP_LIGHT: Add Remark 4.

*MAT_ALE_03/*MAT_ALE_VISCOUS: Fixed last sentece of Remark 5. MULO should have been MUHI.

*MAT_ISPG_04/*MAT_ISPG_CROSS_CASTRO_MACOSKO: Fixed error in the first equation of Remark 2.