地震工程学报
地震工程學報
지진공정학보
China Earthquake Engineering Journal
2015年
2期
324-328,348
,共6页
高面板坝%三维%非一致%位移输入
高麵闆壩%三維%非一緻%位移輸入
고면판패%삼유%비일치%위이수입
high concrete-faced rockfill dam%three dimension%non-uniform%displacement input
提出三维问题的波函数组合法求解不规则河谷的散射问题，应用到高面板坝动力有限元计算的地震动输入中，可以满足非一致输入的要求，并回避人工边界对外行波的反射问题。重点介绍三维问题的波函数组合法的理论推导和程序的算例验证，并给出将该方法应用到高面板坝地震动输入的基本步骤。
提齣三維問題的波函數組閤法求解不規則河穀的散射問題，應用到高麵闆壩動力有限元計算的地震動輸入中，可以滿足非一緻輸入的要求，併迴避人工邊界對外行波的反射問題。重點介紹三維問題的波函數組閤法的理論推導和程序的算例驗證，併給齣將該方法應用到高麵闆壩地震動輸入的基本步驟。
제출삼유문제적파함수조합법구해불규칙하곡적산사문제，응용도고면판패동력유한원계산적지진동수입중，가이만족비일치수입적요구，병회피인공변계대외행파적반사문제。중점개소삼유문제적파함수조합법적이론추도화정서적산례험증，병급출장해방법응용도고면판패지진동수입적기본보취。
The scattering problem of elastic waves is of great engineering significance,especially in earthquake engineering.Frequently,the response of the scatterer is needed to evaluate the safety of structures during earthquakes.The ground motion can be used as dynamic input for the finite-element method calculation,which is a way to realize the non-uniform input.This article puts for-ward the wave function combination method for a three-dimensional (3D)problem to solve the ir-regular valley scattering problem.The application of the earthquake input to the dynamic finite-element calculation for a high-face rockfill dam can meet the requirement for non-uniform input and,at the same time,avoid the problem of the reflection of the outward wave by the artificial boundary.The theoretical derivation of the wave function combination method for the 3D problem and the validation of the program are introduced,as are the basic steps needed to apply this meth-od to the earthquake input.
