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Romulus (b-rep Solid Modeler)
The Romulus b-rep solid modeler (or simply Romulus) was released in 1978 by Ian Braid, Charles Lang, Alan Grayer, and the Shape Data team in Cambridge, England. It was the first commercial solid modeling kernel designed for straightforward integration into CAD software. Romulus incorporated the CAM-I AIS ( Computer Aided Manufacturers International's Application Interface Specification) and was the only solid modeler (other than its successors Parasolid and ACIS) ever to offer a third-party standard API to facilitate high-level integration into a host CAD software program. Romulus was quickly licensed by Siemens, HP and several other CAD software vendors. See also * Comparison of computer-aided design editors *Shape Data Limited Shape Data Limited is a computer software company in Cambridge, England that specialises in developing programs for engineering and manufacturing professionals. Overview Established in 1974 by several doctoral students of the University of C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boundary Representation
In solid modeling and computer-aided design, boundary representation (often abbreviated B-rep or BREP) is a method for representing a 3D shape by defining the limits of its volume. A solid is represented as a collection of connected surface elements, which define the boundary between interior and exterior points. Overview A boundary representation of a model comprises topological components ( faces, edges and vertices) and the connections between them, along with geometric definitions for those components (surfaces, curves and points, respectively). A face is a bounded portion of a surface; an edge is a bounded piece of a curve and a vertex lies at a point. Other elements are the ''shell'' (a set of connected faces), the ''loop'' (a circuit of edges bounding a face) and ''loop-edge links'' (also known as '' winged edge links'' or ''half-edges'') which are used to create the edge circuits. Vs Constructive Solid Geometry Compared to the constructive solid geometry (CS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solid Modeling
Solid modeling (or solid modelling) is a consistent set of principles for mathematical and computer modeling of three-dimensional shapes '' (solids)''. Solid modeling is distinguished from related areas of geometric modeling and computer graphics, such as ''3D modeling'', by its emphasis on physical fidelity. Together, the principles of geometric and solid modeling form the foundation of 3D-computer-aided design and in general support the creation, exchange, visualization, animation, interrogation, and annotation of digital models of physical objects. Overview The use of solid modeling techniques allows for the automation process of several difficult engineering calculations that are carried out as a part of the design process. Simulation, planning, and verification of processes such as machining and assembly were one of the main catalysts for the development of solid modeling. More recently, the range of supported manufacturing applications has been greatly expanded to inc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shape Data Limited
Shape Data Limited is a computer software company in Cambridge, England that specialises in developing programs for engineering and manufacturing professionals. Overview Established in 1974 by several doctoral students of the University of Cambridge Computer Laboratory, the company was a pioneer in computer graphics with early industry advances in solid modelling design and boundary representation. The company revolutionised the computer aided design (CAD) industry in the 1970s and 1980s, by creating and commercialising the solid modelling software market in 1978. The use of solid modelling techniques allows for the automation of several difficult engineering calculations that are carried out as a part of Shape Data's software programs, including simulation, planning, and verification of design processes of three dimensional objects. Shape Data released a series of products that helped create the foundations of computer aided design programming, namely Romulus, Romulus-D, P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geometric Modeling Kernel
A geometric modeling kernel is a solid modeling software component used in computer-aided design (CAD) packages. Available modelling kernels include: * ACIS is developed and licensed by Spatial Corporation of Dassault Systèmes. *SMLib is developed by Solid Modeling Solutions. *Convergence Geometric Modeler is developed by Dassault Systèmes. *Parasolid is developed and licensed by Siemens. *Romulus was a predecessor to Parasolid. * ShapeManager is developed by Autodesk and was forked from ACIS in 2001. * Granite is developed by Parametric Technology Corporation. * C3D Modeler is developed by C3D Labs, part of the ASCON Group. *CGAL is an opensource Computational Geometry Algorithms Library which has support for boolean operations on Polyhedra; but no sweep, revolve or NURBS. *Open CASCADE is an opensource modeling kernel. *sgCore is an opensource modeling kernel, with precompiled libraries only, for Windows only. *Open Inventor is both a proprietary and free and opensource m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CAD Software
Computer-aided design (CAD) is the use of computers (or ) to aid in the creation, modification, analysis, or optimization of a design. This software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing. Designs made through CAD software are helpful in protecting products and inventions when used in patent applications. CAD output is often in the form of electronic files for print, machining, or other manufacturing operations. The terms computer-aided drafting (CAD) and computer aided design and drafting (CADD) are also used. Its use in designing electronic systems is known as ''electronic design automation'' (''EDA''). In mechanical design it is known as ''mechanical design automation'' (''MDA''), which includes the process of creating a technical drawing with the use of computer software. CAD software for mechanical design uses either vector-based graphics ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Springer Science+Business Media
Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing. Originally founded in 1842 in Berlin, it expanded internationally in the 1960s, and through mergers in the 1990s and a sale to venture capitalists it fused with Wolters Kluwer and eventually became part of Springer Nature in 2015. Springer has major offices in Berlin, Heidelberg, Dordrecht, and New York City. History Julius Springer founded Springer-Verlag in Berlin in 1842 and his son Ferdinand Springer grew it from a small firm of 4 employees into Germany's then second largest academic publisher with 65 staff in 1872.Chronology ". Springer Science+Business Media. In 1964, Springer expanded its business internationa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer Aided Manufacturers International
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. A computer system is a nominally complete computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of industrial and consumer products use computers as control systems. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devices like personal computers and mobile devices like smartphones. Computers power the Internet, which li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
