This chapter discusses features related to defining an analysis. It provides an overview of the following enhancements:

• “The AMS eigensolver can extract coupled structural-acoustic eigenmodes,” Section 4.1

• “AMS eigensolver performance improvements,” Section 4.2

• “Specifying additional volume in a fluid cavity,” Section 4.3

• “K–epsilon realizable turbulence model in Abaqus/CFD,” Section 4.4

• “Matrix quality check,” Section 4.5

• “Flexible body generation,” Section 4.6