Retrieving "Spatial Viscosity" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Cauchy Stress Tensor

   Linked via "spatial viscosity"

   The fundamental description of the stress state can be equivalently summarized by the three principal stresses, as the transformation of the tensor into its principal axes form is an orthogonal transformation that preserves certain intrinsic mathematical properties known as invariants):
   First Invariant (Bulk Modulus Indicator): The trace) of the tensor, which is the sum of the [principal stresses](/entries/principal-stres…