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When Initial value is set to User defined, enter a value or expression for the Initial surface radiosity J. Select the Define initial surface radiosity on each side check box to set specific values for the Initial surface radiosity, upside Ju and Initial surface radiosity, downside Jd.
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When Radiative intensity is set to Blackbody/Graybody, enter a value for the Initial temperature Tinit.
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When Initial value is set to User defined, enter a value or expression for the Initial surface radiosity distribution Jλ. The wavelength may be accessed through the rad.lambda variable. This distribution is integrated on each spectral band to obtain the source heat rate Ji for each spectral band.
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When Initial value is set to Blackbody/Graybody, enter a value for the Initial temperature Tinit. For User defined, enter a value or expression for the initial value of the Initial temperature Tinit. Else, select an Ambient temperature defined in an Ambient Properties node under Definitions.
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When Initial value is set to User defined for each band, enter a value for the Initial surface radiosity Ji for each spectral band. Within a spectral band, each value is assumed to be independent of wavelength. By default, the same radiosity is defined on both sides. Select the Define initial surface radiosity on each side check box and fill the Upside and Downside columns of the table for a specific definition on each side.
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