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, .

4Save Quick Access Toolbar busbar.mph. “Appendix A—Building a Geometry” . 114.

(Geometr y)

, Model Libraries. ,, , .

1Model Libraries Windows Home.

Example 2: The Busbar—A Multiphysics Model | 51

2(Model Libraries)

COMSOL Multiphysics > Multiphysics,“busbar geom”.

:

-;

; - .

“No”,untitled.mph.

. , , wbb.

3Global Definitions Parameters .

Parameters,Expression wbb10[cm] .

4ModelBuilder, Component 1>Geometry 1, Form

Union BuildAll

. Build All Geometry Home.

52 | Example 2: The Busbar—A Multiphysics Model

5Graphics Zoom Extents Graphics

wbb=5cm

wbb=10cm

6Graphics:

--Graphics.

-.

-.

-Go to Default 3D View button .

7Parameterswbb 5[cm].

8Model Builder,

Form Union Build All .

9Graphics,Zoom Extents

Example 2: The Busbar—A Multiphysics Model | 53

10 , busbar.mph, , Save AsFile busbar.mph.

.

(Materials)

Materials Component. ,. Built-In material database.

1Model Builder, Materials Add Material. ,. ( , , . ,.)

Materials × ,.

54 | Example 2: The Busbar—A Multiphysics Model

2Add MaterialBuilt-In materials (Copper). CopperAdd to Component 1.

Copper Model Builder.

3Add Material Titanium beta-21S BuiltInmaterial.Add to Component 1.

4Model Builder, Geometry 1 , .

5 Materials, Copper .

Example 2: The Busbar—A Multiphysics Model | 55

6 Material settings, Material Contents

Material Contents, , . ,, . , ,.

(Coefficient of thermal expansion),, , , .

, ,., .

7 Model Builder, Titanium beta-21S .

56 | Example 2: The Busbar—A Multiphysics Model

8All Domains Selection list 1 .1 .

( - , , , ), :

-1, Remove (), Delete.

-Graphics, 1 .

2, 3, 4, 5, 6, 7 .

Example 2: The Busbar—A Multiphysics Model | 57

9Materialsettings,, Material Contents , .

10 Add MaterialAddMaterialMaterials Home.

(Physics)

.

Model Builder .- , Materials. Electric Currents,

58 | Example 2: The Busbar—A Multiphysics Model

Heat Transfer in Solids , Multiphysics , .

“D” () , .

, Comsol Equation.

,. , COMSOL.

,Expand Sections () Model BuilderEquations.

Example 2: The Busbar—A Multiphysics Model | 59

The Heat Transfer in Solids (ht) ElectricCurrents(ec), .

Electric Currents,

Current Conservation Electric Insulation, .

Heat Transfer in Solids,HeatTransferin Solids

Thermal Insulation,.Electromagnetic Heat SourceMultiphysics. Initial Values , Electric Currents, Heat Transfer in Solids , .

.

60 | Example 2: The Busbar—A Multiphysics Model

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