1Introduction to 3D Solid Modeling(or) Things we don’t appreciate about Pro/E(or) Considerations when purchasing a CAD packageProf. James Tangorra and Prof. Wei Sun Department of Mechanical Engineering and MechanicsDrexel University1.Introduction2.Evolution of model types1.Exact vs. approximate representations2.Wireframe3.Surface 4.Solid3.Pro / Engineer4.Modeling methods1.Constructive solid geometry 2.Boundary representations3.Feature based5.Model manipulation and solutions1.Parameterization2.Variational /Direct modeling
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2General: The process of creating a depiction of reality, such as a graph, picture, or mathematical representation. Scientific: The representation of a physical system by a set of mathematical relationships that allow the response of the system to various alternative inputs to be predictedBusiness(Economics): The use of mathematics to describe a situation or a physical object. Mathematical formulas can be used to manipulate data, to develop business plans and projections, or to evaluate the impact of proposed changes on a company's operations and financial status.Person(from Wikipedia): A modelis a person who is posed or displayed for the purpose of art, fashion, or other products and advertising. Modelingis distinguished from other types of public performance, such as an acting, dancing or mime artistry, although the boundary is not well defined. Appearing in a movie or a play is generally not considered to be modeling, regardless of the nature of the role. However, models generally have to express emotion in their photographs, and many models have also described themselves as actors.Definitions of Modeling