A very good site for model collection

Larger industries from aerospace, automotive up to shipbuilding are generally settled in the original Nastran products from MSC; in early day's known as the MacNeal Schwendler Corporation. NX Nastran is based on the exact same MSC.Nastran code. This means that all data file formats will remain fully compatible with preceding and future versions of MSC.Nastran and related CAE products from MSC.Software.

This demo shows two ways to create a model of an integrated circuit that can be used in conjunction with other SimElectronics™ blocks. The first approach is to build a behavioral model using Physical Signal blocks and/or Simulink® blocks. The second is to build an implementation model from basic SimElectronics blocks. To look under the masks and view the details, select the relevant block and type ctrl-U.

computer animated movement of the UKIRT telescope in .avi format