Abstract
The General Purpose Heat Source (GPHS) is a radioactive heat source that consists of a stacked column of several individual modules. These modules contain and protect ceramic nuclear fuel pellets that give off heat for producing electricity. Each GPHS module contains passive safety provisions against fuel release that are the protective layers. High impact resistance was one of the dominant goals for the GPHS module designs.For increasing the ability of GPHS module to withstand the impact, a parametric FE-model is generated in the ANSYS Workbench environment. This model, consisting of a parametric geometry and its associated finite element entities, is used for geometric optimization. Several factors are considered in the design of the heat source module. Based on the analysis results, recommendations on optimization are provided.
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