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A NURBS curve. (See also: the animated creation of a NURBS spline.) A NURBS surface. Non-uniform rational basis spline (NURBS) is a mathematical model using basis splines (B-splines) that is commonly used in computer graphics for representing curves and surfaces.
The review was successful, and the staff were allowed to start over using the new curve form. It was at this time that the NURBS acronym was first used by the other side of the TIGER project, i.e., the TIGER software development groups of Boeing Computer Services. Management was very eager to promote the use of these new curve and surface forms.
Notice that the surface areas are stitched together. For broader coverage of this topic, see Computer representation of surfaces . In solid modeling and computer-aided design , boundary representation (often abbreviated B-rep or BREP ) is a method for representing a 3D shape [ 1 ] by defining the limits of its volume .
The surface-to-surface intersection (SSI) problem is a basic workflow in computer-aided geometric design: Given two intersecting surfaces in R 3, compute all parts of the intersection curve. If two surfaces intersect, the result will be a set of isolated points , a set of curves , a set of overlapping surfaces, or any combination of these cases ...
In 21CFR820.3(h), design review is described as "documented, comprehensive, systematic examination of the design to evaluate the adequacy of the design requirements, to evaluate the capability of the design to meet these requirements, and to identify problems". The FDA also specifies that a design review should include an independent reviewer.
Surface Review and Letters is an international journal published by World Scientific.It was launched in 1994, and covers both theoretical and experimental research in physical and properties and processes that occur at the boundaries of materials.
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The SDR is a technical review conducted to evaluate the manner in which a project's system requirements have been allocated to configuration items, manufacturing considerations, next phase planning, production plans, and the engineering process that produced the allocation. This review is conducted when the system definition is at a point where ...