| Surface-to-surface contact
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Self-contact
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Fluid cavity
		 | 
 
		Filled circle(cavity point)
		 | 
 
		Green
		 | 
 
	 
	  
		| Square(cavity surface)
		 | 
 
		Green
		 | 
 
	 
	  
		| Fluid exchange
		 | 
 
		Circle (large)
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Model change
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Cyclic symmetry
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Elastic foundation
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Cavity radiation
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Actuation/sensor
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Standard-Explicit co-simulation
		 | 
 
		Filled circle
		 | 
 
		Magenta
		 | 
 
	 
	  
		| Incident wave
		 | 
 
		Square 
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Sphere (source point)
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Filled circle (standoff point)
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Acoustic impedance
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Surface film condition
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Concentrated film condition
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Surface radiation
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Concentrated radiation to ambient
		 | 
 
		Square
		 | 
 
		Yellow
		 | 
 
	 
	  
		| Pressure penetration (2D)
		 | 
 
		Arrow 
		 | 
 
		Green
		 | 
 
	 
	  
		| Square (penetration region)
		 | 
 
		Green
		 | 
 
	 
	  
		| Pressure penetration (3D)
		 | 
 
		Filled triangle 
		 | 
 
		Green
		 | 
 
	 
	  
		| Square (penetration region)
		 | 
 
		Green
		 |