LS-DYNA version 971 is the latest release of the software as of April 2023. It has been optimized for Unix, Linux, and Windows operating systems. It has also been enhanced with new features, improvements, and bug fixes. Some of the highlights of LS-DYNA version 971 are:
New material models for cohesive mixed mode, damage 3, plastic nonlinear kinematic, ARUP adhesive, steel concentric brace, concrete EC2, Mohr-Coulomb, RC beam, and more.
New boundary conditions for prescribed orientation rigid, prescribed accelerometer rigid, and acoustic coupling mismatch.
New control options for selective mass scaling, rediscretization of material curves, and revision control.
New elements for mass node set, mass part, and solid tet ELFORM 13.
New initial conditions for strain solid and stress depth.
New loads for blast enhanced and body generalized.
New output for joint forces, contact frictional energy, eigenvalue participation factors, and more.
New features for staged construction, particle method for airbag inflation, part duplication, and more.
LS-DYNA version 971 has been released in several revisions since 2011. The latest revision is R6.1.2 (R6.85274), which was released in March 2023. The release notes for this revision summarize most of the new features, enhancements, and significant corrections made since the previous revision. The release notes also provide examples and references for using the new features. Users can download the latest revision of LS-DYNA version 971 from the LSTC website or from their local distributors.
LS-DYNA version 971 has been used for various applications in different industries. Some examples are:
Simulation of blast effects on structures and vehicles using the enhanced blast load model.
Simulation of soil-structure interaction using the hysteretic soil model.
Simulation of seismic isolation systems using the seismic isolator and seismic beam models.
Simulation of shape memory alloys using the shape memory model.
Simulation of adhesive joints using the cohesive mixed mode model.
LS-DYNA version 971 is a powerful and versatile tool for solving complex nonlinear problems. It offers a wide range of capabilities and options for users to customize their simulations. It also provides high performance and accuracy for challenging applications. Users can benefit from the continuous development and improvement of LS-DYNA by upgrading to the latest version and revisions.
References
LSTC (2023). LS-DYNA V971 R6.1.2 (R6.85274) released.
DYNAmore GmbH (2011). LS-DYNA UPDATE 971 R5.1.1.
LSTC (2010). LS-DYNA V971 R3.1 (R3.43919).
LSTC (2009). LS-DYNA V971 R2 (R2.7600).
LSTC (2008). LS-DYNA V971 R1 (R1.7500).
ARUP (2014). ARUP Adhesive Material Model in LS-DYNA.
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