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- W1490497589 abstract "A numerical simulation technique called Multi Phase Topology Optimization (MPTO) based on finite element method has been developed and refined by Fraunhofer IFAM during the last five years. MPTO is able to determine the optimum distribution of two or more different materials in components under thermal and mechanical loads. The objective of optimization is to minimize the component's elastic energy. Conventional topology optimization methods which simulate adaptive bone mineralization have got the disadvantage that there is a continuous change of mass by growth processes. MPTO keeps all initial material concentrations and uses methods adapted from molecular dynamics to find energy minimum. Applying MPTO to mechanically loaded components with a high number of different material densities, the optimization results show graded and sometimes anisotropic porosity distributions which are very similar to natural bone structures. Now it is possible to design the macro‐ and microstructure of a mechanical component in one step. Computer based porosity design structures can be manufactured by new Rapid Prototyping technologies. Fraunhofer IFAM has applied successfully 3D‐Printing and Selective Laser Sintering methods in order to produce very stiff light weight components with graded porosities calculated by MPTO." @default.
- W1490497589 created "2016-06-24" @default.
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- W1490497589 date "2008-01-01" @default.
- W1490497589 modified "2023-09-28" @default.
- W1490497589 title "Computer Based Porosity Design by Multi Phase Topology Optimization" @default.
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- W1490497589 doi "https://doi.org/10.1063/1.2896791" @default.
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