“…This growing interest is motivated not only by the attraction of natural phenomena such as the movement of drops, waves, and bubbles but also by their importance in various practical fields, including industrial, biomedical, pharmaceutical, and microfluidic systems. In the context of the study of capillarity phenomena, many results have been obtained; see, for example, earlier studies [1][2][3][4][5][6][7][8]. The fundamental and common assumption of these works is the Ambrosetti-Rabinowitz condition [9].…”