MSC Software Corporation, the leader in multidiscipline simulation solutions that accelerate product innovation, announced the new release of MSC Nastran 2013.1, augmenting the groundbreaking capabilities like solver embedded fatigue, optimization for fatigue life and poroelastic material modeling introduced in the previous 2013 release. The new capabilities in 2013.1 provide engineers with faster performance for large models, ease of use, and nonlinear analysis improvements.