Engineershavetraditionallydealtwithtwoseparateanddistinctclassesofmaterials:theviscousfluidandtheelasticsolid.Designproceduresbasedontheseconceptshaveworkedprettywellbecausemosttraditionalmaterials(water,air,steel,concrete),atleasttoagoodapproximation,fit (共 8150 字) [阅读本文] >>