 ##  [Numerical Boundary Layer](/numerical-boundary-layer) 

  ##  [Numerical Boundary Layer](https://mathlogic.quantumdictionary.io/numerical-boundary-layer-0) 

  
 [![Mathematics & Logic Dictionary](/sites/default/files/styles/large/public/2026-01/Mathematics%20%26%20Logic.png.webp?itok=UhtTRPnp)](/topic-specific-dictionaries/natural-formal-sciences/mathematics-logic)

- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A thin region near a domain boundary where discretization or numerical treatment produces steep gradients, spurious oscillations, or error amplification that resemble a physical boundary layer but originate from numerical approximation.