 ##  [Reflecting Boundary Condition](/index.php/reflecting-boundary-condition) 

  ##  [Reflecting Boundary Condition](https://mathlogic.quantumdictionary.io/reflecting-boundary-condition-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A boundary condition that enforces mirror-like reflection of field quantities or characteristics at the domain boundary so that outgoing information is returned into the interior according to reflection laws (e.g., specular reflection of rays or sign-change of normal derivative for scalar fields).