Thermal pickup does not update surface curvature and element thickness variations with temperature for some reason. Sharing a snippet of the difficulty:
What are some possible explanations?
Solved
Why is it that thermal pickup does not update the crvt and thic?
Best answer by MichaelH
Have you increased the number of decimal points (Setup > Project Preferences > Editors > Decimals)? Sometimes the TCE of the material is small so you can’t see the change with the default of 3 decimals. Also, what’s your material? If you’re using a glass, the TCE in the Material Catalog should be greater than 0 and if you're using a MIRROR, then the TCE in the LDE should be greater than 0. Finally, to properly calculate the spacings/ring contact, OpticStudio also needs to calculate the change in clear semi-diameter (SDIA), so you should also include this operand. It's recommended to use the Make Thermal tool (in the MCE toolbar) to properly populate the MCE with the correct operands.
+2Have you increased the number of decimal points (Setup > Project Preferences > Editors > Decimals)? Sometimes the TCE of the material is small so you can’t see the change with the default of 3 decimals. Also, what’s your material? If you’re using a glass, the TCE in the Material Catalog should be greater than 0 and if you're using a MIRROR, then the TCE in the LDE should be greater than 0. Finally, to properly calculate the spacings/ring contact, OpticStudio also needs to calculate the change in clear semi-diameter (SDIA), so you should also include this operand. It's recommended to use the Make Thermal tool (in the MCE toolbar) to properly populate the MCE with the correct operands.
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