Explore a policy-driven framework for Computational Fluid Dynamics (CFD) simulations in this 90-minute conference talk from C++Now 2014. Delve into the intricacies of Octopus, a powerful tool designed to enhance CFD simulations through policy-driven architecture. Learn how this framework leverages C++ features to provide flexibility and efficiency in computational fluid dynamics applications. Gain insights into the design principles, implementation strategies, and potential benefits of using Octopus for complex CFD simulations. Discover how policy-driven approaches can streamline development processes and improve performance in scientific computing.