lumped source 中文意思是什麼
lumped source
解釋
集總源-
Boundary condition method just amend a little for intrinsic fem program, and can obtain low frequency sound transfer function of receiver based on existed fem mesh. the big sound source is divided into some elements by lumped sound source method, in which, the biggest size of element is smaller than the smallest wavelength of sound wave
邊界條件法僅對原有的有限元程序作較小修改，並在已有的有限摘要元網格劃分上，能夠求解出接收點處的低頻聲傳遞函數;集中聲源法將大尺度聲源劃分為若干板塊，其最大幾何尺寸小於最小聲波波長。 -
3 ) two kinds of fem modeling, boundary condition method and lumped sound source method, are set up for complex sound source
3 ）建立了邊界條件法和集中聲源法兩類基於復雜聲源的有限元計算模型。
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