Interface coupling effects of weakly nonlinear Rayleigh–Taylor instability with double interfaces<xref rid="cpb_29_3_034704fn1" ref-type="fn">*</xref><fn id="cpb_29_3_034704fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11575033, 11675026, and 11975053) and the Science Foundation from China Academy of Engineering Physics (Grant No. CX2019033).</p></fn>

Interface coupling effects of weakly nonlinear Rayleigh–Taylor instability with double interfaces**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11575033, 11675026, and 11975053) and the Science Foundation from China Academy of Engineering Physics (Grant No. CX2019033).

Li Zhiyuan¹, Wang Lifeng^{1, 2}, Wu Junfeng², Ye Wenhua^{1, 2, †}

The relationship between A₁ and kd under the condition that A₂ = −1 and A₂ → 0 when ∂η₁(τ_a)/∂A₂ = 0