This site is designed for Internet Explorer 6.0 or greater, with JavaScript and cookies enabled. It is best viewed at 1024 x 768 resolution or greater. Privacy and Security Policy The Computer-Aided Structural Engineering (CASE) Project is a U.S. Army Corps of Engineers effort to perform research and development activities associated with the development of computer-aided design/analysis tools for use in the design and analysis of common Corps structures. Computer-Aided Structural Engineering ITL Engineer Research & Development Center