Volume 4,

Number 1

March/April 1996

Moving Forward

Publications
NASA Spinoff '95 is an annual publication that highlights products and services made possible by NASA-developed technology. Copies of Spinoff '95 may be obtained by calling the Center for AeroSpace Information at 410/859-5300, ext. 241.

Videos
Earth and Beyond: Space Technology Paves the Way is a 12-minute video focusing on how NASA space technology is paving the way for future space missions and creating commercial products that benefit life on the Earth. For a free copy, send an E-mail to jlagda@osat.hq.nasa.gov, or call Jeanie Lagda, Office of Space Access and Technology, at 202/358-0005.

Events
The 12th National Space Symposium: Space: Enhancing Life on Earth, April 9-12, Colorado Springs, Colorado, is sponsored by the U.S. Space Foundation. The symposium will focus on Earth applications from space. Space industry leaders, military and government space professionals will discuss and debate developments in space-communications, environmental applications, global security, International Space Station, navigation and launch systems-and how efforts continue to benefit people across the globe. For registration and symposium information, contact the U.S. Space Foundation at 800/691-4000.

Software
Stress Analysis of Woven Composites (Texas A&M University) was developed to expedite the study of the failure behavior of plain weave composites. It is composed of three programs: a mesh generator, a finite element program and a graphical pre- and postprocessor. The primary capabilities of the software are the generation of solid models and of plain weave composites from a few input parameters, the analysis of the solid model, and the display of finite element meshes before and after deformation and stress distributions. Some first-order progressive failure capability is also implemented. The finite element code uses a displacement formulation. It includes isoparametric 20-node elements and special "macro" elements, which can account for microstructure within a single element. Language: C++ (58 percent), FORTRAN 77 (24 percent) and C-LANGUAGE (18 percent). Machine requirements: IBM RS/6000. Program size: approximately 40,690 source statements. Distribution media: .25-inch tape cartridge in TAR format. Program number: LAR-15345. Documentation price: $15.00. Program price: $1,000.00.