Thermal Stress Analysis of Polymeric Photo-Thermal Microactuator
The aim of this test case is to validate the following functions:
The simulation results of SimScale were compared to the analytical results presented in [Elbuken]. The meshes used were created using second order tetrahedral automatic meshing algorithm on the SimScale platform.
The radius (R) and thickness of the microactuator was set to 130 μm and 100 μm respectively and remained constant for all the cases. For cases from A1 to A5 the length (L) and width (W) of the microactuator arm was remained constant at 1000 μm and 50 μm respectively whereas the bending angle (θ) was changed from 6° to 14°. For cases from B1 to B8 the length (L) and bending angle (θ) of the microactuator arm was remained constant at 700 μm and 6° respectively whereas the width (W) was changed from 30 μm to 100 μm. Due to symmetry, only half of the model was taken for the analysis. The skeleton of the geometry used for the analysis is shown in the figure below:
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