VUMAT for Abaqus/Explicit Incorporating UD Composite Laminate with Hashin and Puck Failure Criteria

№ files_lp_3_process_9_54605

File format: docx Character count: 26958 File size: 40 KB

Fortran-based user subroutine source code and embedded technical documentation defining an orthotropic composite damage model with Hashin and Puck failure criteria for implementation in Abaqus/Explicit finite element analyses.

Software: Abaqus/Explicit

Subroutine Name: VUMAT

Document Type: User subroutine source code and technical documentation

Material Model: 3D orthotropic elasticity with Hashin 3D failure criterion and Puck failure criteria

Material System: UD composite laminate

Failure Criteria: Hashin and Puck

Number of Material Constants: 32 (19 physically meaningful, 13 padding)

State Variables: Material point status, damping stresses, damage variables, elastic strain components

Output Variables: SDV1–SDV17 (damage variables, viscous stresses, elastic strain tensor components)

Elastic Properties Defined: Young’s moduli (E1, E2, E3), Poisson’s ratios (ν12, ν13, ν23), shear moduli (G12, G13, G23)

Strength Parameters: Tensile and compressive strengths in three directions, shear strengths (12, 13, 23)

Damping Parameter: Beta damping (stiffness proportional)

Energy Variables: Internal energy per unit mass, dissipated inelastic energy per unit mass

Analysis Type: Explicit dynamic analysis with optional adiabatic conditions

Intended Application: User-defined constitutive modeling of composite materials in finite element simulations

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