PenduloSimple_En.html
 
7.5 SIMPLE PENDULUM
 
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·
 System description
·
 Introduction
·
 Model
·
 View
   
 
   
Fig. 7.4: View of the virtual-lab.
    
 
System description
 
The simple pendulum is described by the following equations (see Fig. 7.26):
 
Fig. 7.26: Simple pendulum.
  
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Introduction
 
The virtual-lab introduction is shown in Fig. 7.27.
 
Fig. 7.27: Introduction of the virtual-lab.
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Model
 
The model is composed of the following equations:
 
The angle () and the angular velocity () are state variables. is a parameter, dependent on the string length and the gravitational acceleration.
 
These equations are included in the Evolution panel (see Fig. 7.28).
 
Fig. 7.28: Evolution panel.
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View
 
The tree of elements is shown in Fig. 7.29. Open the virtual-lab and look at the properties of the tree elements.
 
Fig. 7.29: Tree of elements.
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