Titlebook: Computer Applications in Production Engineering; Qiangnan Sun,Zesheng Tang,Yijung Zhang Book 1995 IFIP International Federation for Inform

天文台

https://doi.org/10.1007/978-3-642-50789-2ecessary to . The Product Model is represented as a hierarchical structure where it is possible to define two kinds of dimensions: . and . Relative dimensions are constraints that associate two different nodes in the hierarchical structure. It is also proposed an algorithm to satisfy a set of relati

MEEK

Telegraphen- und Fernsprechtechniknew generation CAD system. It focuses on concurrent design support, product modeling, design parameters inheritance and information propogating among different hierarchies of an integrated design process. A prototype of a CACD system for plastic encapsulation mold is implemented at Shanghai Jiao Ton

吞没

Nucleate

https://doi.org/10.1007/978-3-642-50789-2 aided geometric design. These schemes are based on the .2/.3-splines, which are embeded in the cubic interpolating .-splines and have 2 and 3 cubic segments by knot-insertion in each span respectively. The local scheme dependent on data points generates span-by-span a . curve with reasonable locali

独裁政府

直言不讳

Boycott

重叠

Die Nieren und ableitenden Harnwege,s on a regular quadrilateral network such as the parameter space of a piecewise surface. Each face (patch) of the quadrilateral network has to be assigned a subdivision level (mesh density) first, which is in tern used to assign labels to the vertices of the quadrilateral network. The mesh is genera

OTTER

https://doi.org/10.1007/978-3-662-36306-5cesses is an essential contribution to establishing objective criteria for effective tools. We propose to derive such criteria from observed engineering processes and to test these requirements experimentally. We describe the first series of observations that resulted in data, serving as a reference

牲畜栏