A deformation bụkwa a? N'iburu ajụjụ nke mbụ n'uche, dee ihe gbara ya gburugburu bụ́ nke ga-enye azịza ya. Ọ nwere ike ịbụ 1 - 20 ahịrịokwu. Ihe ndị gbara ya gburugburu:
ebe bụ ihe dị mkpa cross-sectional ebe maka olu nke nrụgide-tensor a na-gbakọọ. Ọdịdị a na-agụnye okwu nrụgide jikọtara ya na ndị agha na-eme ihe dị mma na mpaghara mpaghara (matriks diagonals nke tensor) yana okwu shear jikọtara ya na ndị agha na-eme ihe yiri nke mpaghara mpaghara (ihe ndị na-abụghị diagonal). Ihe mgbagwoju anya na-eme ka ike nke na-akpata nrụgide niile (deformations) gụnyere nrụgide na nrụgide.:133<unk>134:38-1<unk>38-11