• Filtering for multi-scale problems
• Proper numerical convergence of simulation results

Exact and Manufactured solutions

• Multi-physics problems: across disciplines and “codes”
• Non-smooth solutions: for example, shock physics
• Parameter coverage: robustness

Error estimates and control

• A posteriori estimates, for example using duality principle
• Adaptive mesh refinement

Code-embedded verification

• Static/dynamic property checks: conservation, SBP, etc.
• Code coverage and testing