UNCERTAINTY ANALYSIS OF ROCK FAILURE BEHAVIOUR USING AN INTEGRATION OF THE PROBABILISTIC COLLOCATION METHOD AND ELASTO-PLASTIC CELLULAR AUTOMATON-中国期刊网

摘要 TheKarhunen-Loeve(KL)expansionandprobabilisticcollocationmethod(PCM)arecombinedandappliedtoanuncertaintyanalysisofrockfailurebehaviorbyintegratingaselfdevelopednumericalmethod(i.e.,theelastic-plasticcellularautomaton(EPCA)).TheresultsfromthemethoddevelopedarecomparedusingtheMonteCarloSimulation(MCS)method.ItisconcludedthatthemethoddevelopedrequiresfewercollocationsthanMCSmethodtoobtainveryhighaccuracyandgreatlyreducesthecomputationalcost.Basedonthemethod,theelastoplasticandelasto-brittle-plasticanalysesofrocksundermechanicalloadingsareconductedtostudytheuncertaintyinheterogeneousrockfailurebehaviour.

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UNCERTAINTY ANALYSIS OF ROCK FAILURE BEHAVIOUR USING AN INTEGRATION OF THE PROBABILISTIC COLLOCATION METHOD AND ELASTO-PLASTIC CELLULAR AUTOMATON

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UNCERTAINTY ANALYSIS OF ROCK FAILURE BEHAVIOUR USING AN INTEGRATION OF THE PROBABILISTIC COLLOCATION METHOD AND ELASTO-PLASTIC CELLULAR AUTOMATON

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