Special Issue on Computing Technologies to Support Geometric Dimensioning & Tolerancing (GD&T)

Clarifications of Rule 2 in Teaching Geometric Dimensioning and Tolerancing

Geometric dimensioning and tolerancing is a symbolic language used on engineering drawings and computer generated three-dimensional solid models for explicitly describing nominal geometry and its allowable variation. Application cases using the concept of Rule 2 in the Geometric Dimensioning and Tolerancing (GD&T) are presented. The rule affects all fourteen geometric characteristics. Depending...

Teaching Geometric Dimensioning and Tolerancing in a Manufacturing Program

Why people use and don't use technologies: Introduction to the special issue on assistive technologies for cognition/cognitive support technologies.

This special issue focuses on assistive technologies for cognition/cognitive support technologies as well as the ways in which individuals are assessed and trained in their use. We provide eleven diverse articles that give information on products, why they are used and not used, and best professional practices in service provision. Our goal is to highlight a broad topic that has received limite...

Special issue on geometric constraints and reasoning

This special issue in CGTA follows the fourth edition of the special track: Geometric Constraints and Reasoning, in the 24th Annual ACM Symposium on Applied Computing, which took place in Honolulu, Hawaii, USA, March 9–12, 2009. Geometric Constraints and Reasoning is devoted to the recent trends in the domain of geometric constraint solving (GCS) and automated, or computer aided, deduction in g...

Special Issue on Next Generation Wireless Technologies

The next generation wireless networks are expected to converge into a ubiquitous architecture, which includes high-speed cellular networks, wireless local area networks (WLANs), mobile ad hoc networks, peer-to-peer networks, wireless metropolitan area networks (WMANs), etc. The increasing demand of wireless multimedia services has motivated the development of broad wireless access in the hetero...