Text this: Design, modeling, and optimization of nonlinear piezoelectric energy harvesters

  _  __     ___                _____     ______  
 | |/ //   / _ \\      ___    |  ___||  /_   _// 
 | ' //   / //\ \\    /   ||  | ||__    `-| |,-  
 | . \\  |  ___  ||  | [] ||  | ||__      | ||   
 |_|\_\\ |_||  |_||   \__ ||  |_____||    |_||   
 `-` --` `-`   `-`     -|_||  `-----`     `-`'   
                        `-`