This document will present a simple method for modeling complex multiple input and output (MIMO) processes to improve the teaching of engineering students. The proposed method allows us to improve the application of theoretical and academic knowledge in real industrial processes. The method can be applied in professional training subjects in various branches of engineering, especially those that develop analysis and design of instrumentation, control, automation, and process optimization systems. Improving teaching is because there is a closer approximation of the process model used in the academic field with that found in the industry. COMSOL (finite element simulation software) and MATLAB are used as tools and the advantages of the method in simplicity, flexibility, versatility, and effectiveness in engineering education are developed.