NISA II/COMPOSITES is a powerful capability in the NISA II program for solving static, dynamic, and buckling problems for structures made of composite materials. The specification of fiber orientations for modeling curved surfaces is one of the outstanding features of the program. Three elements for modeling layered composite structures are: 3D layered composite shell, 3D layered sandwich shell, and 3D layered solid (overlay). There is no restriction on the number of layers or the lamination sequence. The thickness and the fiber angles can vary from node to node. The material properties can be temperature dependent allowing calculation of thermal stresses. Edge effects, delamination and interlaminar stress calculation are supported. Failure theories included are: Maximum stress, Modified Hill-Mises, Tsai-Wu, and Delamination.
Kant S. Kothawala, Ph.D.
President & CEO
Engineering Mechanics Research Corporation
1607 East Big Beaver Road
Suite 300
Troy, MI 48083
USA
810-689-0077
810-689-7479 (fax)
For applications in related solution areas, see the following indices: Composite Materials Analysis, Finite Element Analysis (FEA), Geometric Modeling, Structural Engineering, the developer index for Engineering Mechanics Research Corporation and the market segment index for Mechanical CAE.
