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Click Add.
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Click Add.
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Click Add.
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Click Done.
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Browse to the model’s Application Libraries folder and double-click the file quadrupole_mass_spectrometer_parameters.txt.
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Select the object ext2 only.
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Select the object ext1 only.
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In the Model Builder window, under Component 1 (comp1) right-click Electrostatics (es) and choose Electric Potential.
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In the Model Builder window, under Component 1 (comp1)>Charged Particle Tracing (cpt) click Particle Properties 1.
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Click Replace.
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In the Model Builder window, under Component 1 (comp1) right-click Materials and choose Blank Material.
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1
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In the Model Builder window, under Component 1 (comp1) right-click Mesh 1 and choose More Operations>Free Triangular.
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Click to expand the Element Size Parameters section. Locate the Element Size section. Click the Custom button.
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Find the Studies subsection. In the Select Study tree, select Preset Studies for Some Physics Interfaces>Stationary.
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Click OK.
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Find the Studies subsection. In the Select Study tree, select Preset Studies for Some Physics Interfaces>Frequency Domain.
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Locate the Physics and Variables Selection section. In the table, clear the Solve for check box for Electrostatics and Charged Particle Tracing.
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Click to expand the Values of Dependent Variables section. Find the Values of variables not solved for subsection. From the Settings list, choose User controlled.
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Click OK.
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Click to expand the Values of Dependent Variables section. Find the Values of variables not solved for subsection. From the Settings list, choose User controlled.
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Click Range.
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Click OK.
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Click Compute.
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Click Compute.
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In the Model Builder window, expand the Particle Trajectories (cpt) node, then click Particle Trajectories 1.
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In the Settings window for 1D Plot Group, type Ion Energy Distribution Function in the Label text field.
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In the Settings window for Histogram, click Replace Expression in the upper-right corner of the Expression section. From the menu, choose Model>Component 1>Charged Particle Tracing>Velocity and energy>cpt.Ep - Particle kinetic energy - J.
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Click Range.
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Click Replace.
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