The Dependent Variables node automatically updates the Field nodes. So, if the study type for the solver changes or if you use a different study type, then the Field nodes change accordingly. Also see Scaling of Variables and Equations for information.
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Initial expression (the default) to use the expressions specified on the Initial Values nodes for the physics interfaces in the model.
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Solution to use initial values as specified by a solution object. Use the Solution list to specify what solution object to use (directly or as part of the initial expression). Select:
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Zero to initialize all variables to zero.
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For a Stationary study, from the Selection list, select Automatic (single solution) (the default) to use the last (typically the only) solution, select Automatic (all solutions) to use all (typically just one) solutions from that study, select First to use the first (typically the only) solution, select Last to use the last (typically the only) solution, select From list to pick solutions from a list, select Manual to use a specific solution number that you specify, or select 1 to use the first (typically the only) solution. If you use a parametric continuation of the stationary study or load cases, there can be additional solutions to choose from.
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For a Time Dependent study, from the Time list, select Automatic (single solution) (the default) to use the solution for the last time, select Automatic (all solutions) to use all solutions from that study, select First to use the first solution, select Last to use the last solution, select From list to pick solutions from a list, select Interpolated to specify a time in the text field that opens and use the interpolated solution at that time (this option is also available for other study types for robust setup, but if the type is not time dependent when used, an error will appear), select Manual to use a specific solution number that you specify, or select one of the output times to use the solution at that time.
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For an Eigenvalue or Eigenfrequency study, from the Eigenvalue list, select Automatic (single solution) (the default) to use the first eigenvalue or eigenfrequency and its associated eigensolution, select Automatic (all solutions) to use all solutions from that study, select First to use the first solution, select Last to use the last solution, select From list to pick solutions from a list, select Manual to use a specific solution number that you specify, or select one of the eigenvalues or eigenfrequencies to use the corresponding eigensolution.
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For a Parametric Sweep or Frequency Domain study, from the Parameter value list, select Automatic (single solution) (the default) to use the last parameter value set or frequency, select Automatic (all solutions) to use all solutions from that study, select First to use the first solution, select Last to use the last solution, select From list to pick solutions from a list, select Manual to use a specific solution number that you specify, or select one of the parameter value sets or frequencies to use the corresponding solution.
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Zero to initialize all variables to zero.
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See Solution List Options by Study Type for additional choices based on study type and then available in this section.
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