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Na segodnqshnij den' membrany ispol'zuütsq w raznyh sferah zhiznedeqtel'nosti, ot promyshlennosti do ispol'zowaniq ih w powsednewnoj zhizni. K nim mozhno otnesti älementy natqzhnyh i podwesnyh potolkow, tenty i pr. Rasprostranennost' ispol'zowaniq membran i ih osobennosti predstawlqüt nauchnyj interes. Kratkoe opisanie struktury raboty: w perwoj glawe rassmatriwaütsq osnownye teoreticheskie swedeniq o poperechnyh kolebaniqh membran, polucheno differencial'noe urawnenie i ego obschee reshenie; wo wtoroj glawe preobrazowany obschie resheniq dlq sluchaq kwadratnyh membran, a takzhe resheno differencial'noe urawnenie dlq kolebanij kruglyh membran i polucheno ego reshenie; w tret'ej glawe proizwedeny raschöty uzlowyh linij i chastot dlq äxperimental'nyh obrazcow kwadratnyh membran, a takzhe rasschitany chastoty kolebanij dlq äxperimental'nyh kruglyh membran i prowedeny nablüdeniq uzlowyh linij kruglyh membran.