Solving coupled systems

When you have a coupled or implicit system, you must use a solver to converge that system. Take time to recognize those systems within your models and identify the best way to solve them. 0:00 - Intro 0:53 - How to recognize when you need a solver 4:15 - Solving a simple system by hand 6:47 - Solvers in OpenMDAO 8:52 - Conclusion Here is the accompanying Python notebook: https://openmdao.github.io/PracticalM... This lecture uses figures from Engineering Design Optimization by Martins and Ning, which is available for free at https://mdobook.github.io/ TODO: add linked lectures as they're developed