The existence of the traveling wave solution of the modified Benjamin-Bona-Mahony (mBBM) equation is studied by using the theory of plane dynamical systems. The phase diagram and conditions for the existence of the traveling wave solution are obtained under different parameters. The generalized Riccati auxiliary equation method is used to derive double perversion, trigonometric, and rational function solutions for the mBBM equation. The properties of torsional solitary wave and periodic wave solutions are analyzed by using Maple software, and numerical verification confirms the expression of exact traveling wave solution.
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