Strategy planning is one method of problem solving. In many colleges and institutions, simulations are used for educational purposes. Industry and business. Many industries and businesses use computer simulations to train their employees and executives. There are Wall Street simulators, production line simulators, and many other types of business simulators.
Computer simulations are common in the military.
They help officers learn military strategy. Almost all pilots, particularly those in airlines and the military, do some training on computer flight simulators. Astronauts train on simulators before actual missions.