Êàðà÷óí Â.Â., Ìåëüíèê Â.Í.

Íàöèîíàëüíûé òåõíè÷åñêèé óíèâåðñèòåò Óêðàèíû «ÊÏÈ»

ÎÑÅÍÅÑÈÌÌÅÒÐÈ×ÍÎÅ ÍÀÏÐ߯ÅÍÍÎÅ ÑÎÑÒÎßÍÈÅ ÏÎÏËÀÂÊÎÂÎÃÎ ÏÎÄÂÅÑÀ.  ÃÐÀÍÈ×ÍÛÅ ÓÑËÎÂÈß

 

Ðåàëèçàöèÿ ìåòîäà ñîñòîèò â ñëåäóþùåì. Îòûñêèâàåìûå ôóíêöèè , ,  àïïðîêñèìèðóþòñÿ â ñàìîì îáùåì âèäå, ò.å.

,

ãäå   à  – ìíîæåñòâî êîîðäèíàòíûõ ôóíêöèé â íàïðàâëåíèè ïðîòÿæåííîñòè ïîäâåñà, ò.å. êîîðäèíàòû , ïîëíûå è íåçàâèñèìûå â èíòåðâàëå . Èñïîëüçîâàíèå ìåòîäà ïðåäïîëàãàåò óäîâëåòâîðåíèå àïïðîêñèìàöèé êèíåìàòè÷åñêèì è ñèëîâûì ãðàíè÷íûì óñëîâèÿì, ò.å. ïðè  è . Ñ ýòîé öåëüþ íåîáõîäèìî ââåñòè êîððåêòèðóþùèå ôóíêöèè Êðàâ÷óêà. Äëÿ ðåøàåìîé çàäà÷è ðå÷ü èäåò î ôóíêöèÿõ âèäà

ãäå m, n – öåëûå ÷èñëà.

 îñåíåñèììåòðè÷íîå äåôîðìèðîâàííîå ñîñòîÿíèå

êðàé z=0 

                                 (1)

                                (2)

                                                      (3)

                                                     (4)

                          (5)

                        (6)

    (7)

   (8)

êðàé z=1 –

                                          (9)

                                         (10)

                                                               (11)

                                                               (12)

                                    (13)

                                   (14)

             (15)

            (16)

îñåñèììåòðè÷íîå äåôîðìèðîâàííîå ñîñòîÿíèå 

êðàé z=0 –

                                 (17)

                                (18)

                                                (19)

                                               (20)

                                             (21)

                                             (22)

êðàé z=1 –

                                 (23)

                                (24)

                                                (25)

                                                (26)

                                              (27)

                                            (28)