triharmonic en · ADJ
Etymology
From tri- + harmonic.
Meanings
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(not-comparable) Describing a class of sixth-order partial differential equations which arises in areas of continuum mechanics
We consider the triharmonic operator subject to homogeneous boundary conditions of intermediate type on a bounded domain of the N-dimensional Euclidean space.
2016, José Arrieta, Francesco Ferraresso, Pier Domenico Lamberti, “Boundary homogenization for a triharmonic intermediate problem”, in arXiv: