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l3b_cae - 16.810 16.810 Engineering Design and Rapid...

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16.810 16.810 Engineering Design and Rapid Prototyping Engineering Design and Rapid Prototyping Instructor(s) CAE -Finite Element Method January 16, 2007 Prof. Olivier de Weck Lecture 3b
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16.810 (16.682) 2 Numerical Methods Finite Element Method Boundary Element Method Finite Difference Method Finite Volume Method Meshless Method
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16.810 (16.682) 3 What is the FEM? Description - FEM cuts a structure into several elements (pieces of the structure). - Then reconnects elements at “nodes” as if nodes were pins or drops of glue that hold elements together. - This process results in a set of simultaneous algebraic equations. FEM: Method for numerical solution of field problems. Number of degrees-of-freedom (DOF) Continuum: Infinite FEM: Finite (This is the origin of the name, Finite Element Method)
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