Ìåëüíèê Â.Í., Êàðà÷óí Â.Â.

Íàöèîíàëüíûé òåõíè÷åñêèé óíèâåðñèòåò Óêðàèíû «ÊÏÈ»

ÏÐÎÃÈÁÛ ÏÎÂÅÐÕÍÎÑÒÈ ÏÎÏËÀÂÊÎÂÎÃÎ ÏÎÄÂÅÑÀ ÂÑËÅÄÑÒÂÈÅ ÄÈÔÐÀÊÖÈÎÍÍÛÕ ßÂËÅÍÈÉ ÏÐÈ ÖÈÊËÈ×ÅÑÊÎÌ ÍÀÃÐÓÆÅÍÈÈ

 

Ðàäèàëüíûå ïåðåìåùåíèÿ. Ðàññìîòðèì óðàâíåíèå ïðîãèáîâ â ïëîñêîñòè øïàíãîóòà. Ïîëó÷àåì:

                                 

                                                                        

                                                                   

                                                     

                                                                        

                                                                        

                                                                        

                                               

                                                                        

                                                                   

                                                                      

                                                   

                                                   

                                                                      

                                                                       

                                                

                                                                          

1                                                                           

Ïðîñóììèðóåì ýòè âåëè÷èíû:

Óìíîæèì îáå ÷àñòè ýòîãî âûðàæåíèÿ íà  è ïðîèíòåãðèðóåì â ïðåäåëàõ  , . Ïîëó÷èì:

                     (1)

ãäå                            

                (2)

Àíàëîãè÷íî äëÿ âòîðîé ñîñòàâëÿþùåé ïðîãèáà:

  ,                     (3)

Óðàâíåíèÿ (1), (3) ïîçâîëÿþò îïðåäåëèòü ïîñòîÿííûå ,  ïðè âû÷èñëåíèè partialis ÷àñòîò, à òàêæå äëÿ óñòàíîâëåíèÿ ñòåïåíè âëèÿíèÿ îêðóæíîé è ïðîäîëüíîé êîîðäèíàòíûõ ôóíêöèé íà ïðîãèá îáîëî÷êè