Abstract
The computer simulation of the process of nonlinear wave propagation in a structured geophysical medium with elastic-plastic interaction between the structure elements is conducted. It is found that during the wave propagation in a chain of the discrete elements its amplitude decays to the threshold value, when the interaction between the elements becomes elastic, and then the wave is transformed into a soliton-like wave with the threshold amplitude. The deformation diagrams of the massifs at different plastic threshold values are plotted. It is demonstrated that a decrease of the plastic threshold results in an increase of the dissipative properties.
Highlights
It is found that during the wave propagation in a chain of the discrete elements its amplitude decays to the threshold value, when the interaction between the elements becomes elastic, and the wave is transformed into a soliton-like wave with the threshold amplitude
It is demonstrated that a decrease of the plastic threshold results in an increase of the dissipative properties
Ñïî÷àòêó ðîçãëÿíóòî åâîëþö3þ õâèë[3] ñòèñíåííÿ, ÿêà ïîøèðþoòüñÿ ïî îäíîâèì3ðíîìó ëàíöþæêó ç ïðóæíîïëàñòè÷íèìè âëàñòèâîñòÿìè äèñêðåòíèõ åëåìåíò3â, à ïîò3ì çà äîïîìîãîþ äâîâèì3ðíîãî êîìï'þòåðíîãî ìîäåëþâàííÿ äîñë3äæåíî, ÿê çì3íþþòüñÿ äåôîðìàö3éí[3] âëàñòèâîñò[3] ñòðóêòóðîâàíîãî ñåðåäîâèùà çàëåæíî â3ä ïëàñòè÷íèõ âëàñòèâîñòåé åëåìåíò3â
Summary
Ìîäåëþâàííÿ ïðîöåñ3â äèíàì3÷íîãî äåôîðìóâàííÿ ñòðóêòóðîâàíîãî ãåîô3çè÷íîãî ñåðåäîâèùà ç ïðóæíîïëàñòè÷íîþ âçàoìîä3oþ åëåìåíò3â ñòðóêòóðè Â3ää3ëåííÿ ãåîäèíàì3êè âèáóõó 2íñòèòóòó ãåîô3çèêè ÍÀÍ Óêðà¿íè, Êè¿â, Óêðà¿íà Íàä3éøëà 1 ëþòîãî 2010 ð. Âûïîëíåíî êîìïüþòåðíîå ìîäåëèðîâàíèå ïðîöåññà ðàñïðîñòðàíåíèÿ íåëèíåéíîé âîëíû â ñòðóêòóðèðîâàííîé ãåîôèçè÷åñêîé ñðåäå ñ óïðóãîïëàñòè÷åñêèì âçàèìîäåéñòâèåì ýëåìåíòîâ ñòðóêòóðû.
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