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Structural mechanics boundary condition — constrain the bottom surface from moving axially (in the z direction), but also add an internal fluid pressure of 0.1 MPa.
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1
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2
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In the Select Physics tree, select Structural Mechanics>Electromagnetics-Structure Interaction>Piezoelectricity>Piezoelectricity, Solid.
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3
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Click Add.
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4
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Click Study.
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5
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6
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Click Done.
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6
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1
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In the Model Builder window, under Component 1 (comp1)>Solid Mechanics (solid) click Piezoelectric Material 1.
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1
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1
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In the Physics and variables selection tree, select Component 1 (comp1)>Electrostatics (es)>Electric Potential 1.
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5
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Click Disable.
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6
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1
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In the Settings window for 2D Plot Group, type Radial Displacement (Direct Effect) in the Label text field.
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1
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In the Model Builder window, expand the Radial Displacement (Direct Effect) node, then click Surface 1.
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2
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In the Settings window for Surface, click Replace Expression in the upper-right corner of the Expression section. From the menu, choose Component 1 (comp1)>Solid Mechanics>Displacement>Displacement field - m>u - Displacement field, R component.
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3
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1
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1
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In the Settings window for 2D Plot Group, type Electric Potential (Direct Effect) in the Label text field.
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In the Settings window for 3D Plot Group, type Electric Potential, 3D (Direct Effect) in the Label text field.
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1
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Click Plot.
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In the Settings window for 1D Plot Group, type Radial Displacement, cut (Direct Effect) in the Label text field.
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1
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In the Settings window for Line Graph, click Replace Expression in the upper-right corner of the y-Axis Data section. From the menu, choose Component 1 (comp1)>Solid Mechanics>Displacement>Displacement field - m>u - Displacement field, R component.
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1
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In the Model Builder window, right-click Radial Displacement, cut (Direct Effect) and choose Duplicate.
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In the Settings window for 1D Plot Group, type Voltage, Cut (Direct Effect) in the Label text field.
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In the Physics and variables selection tree, select Component 1 (comp1)>Solid Mechanics (solid)>Boundary Load 1.
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5
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Click Disable.
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6
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1
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In the Model Builder window, expand the Radial Displacement (Inverse Effect) node, then click Surface 1.
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2
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In the Settings window for Surface, click Replace Expression in the upper-right corner of the Expression section. From the menu, choose Component 1 (comp1)>Solid Mechanics>Displacement>Displacement field - m>u - Displacement field, R component.
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3
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1
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1
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In the Settings window for 2D Plot Group, type Electric Potential (Inverse Effect) in the Label text field.
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1
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5
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1
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2
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1
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In the Model Builder window, right-click Radial Displacement, cut (Direct Effect) and choose Duplicate.
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2
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In the Settings window for 1D Plot Group, type Radial Displacement, cut (Inverse Effect) in the Label text field.
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3
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4
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1
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2
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In the Settings window for 1D Plot Group, type Voltage, Cut (Inverse Effect) in the Label text field.
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4
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