Superconvergence analysis of a low-order nonconforming mixed finite element method for unsteady natural convection equations

Key Points

• Superconvergence is observed in the low-order nonconforming mixed finite element method, enhancing accuracy beyond expected levels.
• The analysis includes theoretical insights and numerical validations for equations modeling natural convection in fluids.
• This method uses a finite element approach to effectively solve unsteady natural convection equations in fluid dynamics.
• The findings highlight the potential for improved computational techniques, though real-world applications may require further exploration.