Research Article

Acoustic Wave Propagation in a Trifurcated Lined Waveguide

Figure 6

Variation of relative error 𝐸 𝑛 with truncation number 𝑛 corresponding to 𝑎 = 0 . 5 , 𝑏 = 3 𝑎 , 𝑥 = 0 . 1 , 𝑘 = 0 . 7 , 𝑦 = 1 , 𝜉 = 0 . 5 , and 𝜂 = 1 .
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