Êàðà÷óí Â.Â., Ìåëüíèê Â.Í.

Íàöèîíàëüíûé òåõíè÷åñêèé óíèâåðñèòåò Óêðàèíû «ÊÏÈ»

ÎÑÅÑÈÌÌÅÒÐÈ×ÍÀß ÄÅÔÎÐÌÀÖÈß ÏÎÏËÀÂÊÎÂÎÃÎ ÏÎÄÂÅÑÀ ÏÎÄ ÄÅÉÑÒÂÈÅÌ ÇÂÓÊÎÂÛÕ ÂÎËÍ

 

Ðàññìîòðèì óðàâíåíèå ïðîäîëüíûõ ïåðåìåùåíèé:

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Èëè ïîñëå ñóììèðîâàíèÿ:

(1)

Óìíîæèì ëåâóþ è ïðàâóþ ÷àñòè âûðàæåíèÿ (1) íà âåëè÷èíó  è ïðîèíòåãðèðóåì â ïðåäåëàõ îò  äî . Ïîëó÷àåì îáû÷íîå äèôôåðåíöèàëüíîå óðàâíåíèå äëÿ íàõîæäåíèÿ ôóíêöèè :

               (2)

ãäå                                  

              (3)

Ðàññìîòðèì óðàâíåíèå ðàäèàëüíûõ ïåðåìåùåíèé:

                                 

                                                                        

                                                                   

                                                     

                                                                        

                                                                        

                                                                        

                                               

                                                                      

                                                   

 

                                                                      

                                                

                                                                          

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Ïðîñóììèðóåì ýòè âåëè÷èíû:

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

                                   (4)

ãäå                                      

                                        (5)

Óðàâíåíèÿ (2) è (3) äàþò âîçìîæíîñòü ïðîàíàëèçèðîâàòü äèíàìèêó ïîäâåñà è óñòàíîâèòü ñòåïåíü ïåðåêðåñòíîãî âëèÿíèÿ óïðóãèõ ïåðåìåùåíèé ïîâåðõíîñòè ïî äâóì äðóãèì íàïðàâëåíèÿì.