How do you assess the accuracy and validity of your numerical simulations?

Sample interview questions: How do you assess the accuracy and validity of your numerical simulations?

Sample answer:

Accuracy and Validity Assessment in Numerical Fluid Dynamics Simulations

  • Convergence Analysis: Validate that the solution converges to a stable, finite value as grid refinement and time step size decrease.
  • Grid Sensitivity Study: Assess the impact of grid resolution on the solution by performing simulations with different grid sizes and comparing the results.
  • Comparison with Experimental Data: Verify the accuracy of the simulations by comparing them to experimental measurements, if available.
  • Benchmarking against Analytical Solutions: Evaluate the simulations against analytical solutions for simple test cases to identify any numerical errors or inconsistencies.
  • Uncertainty Quantification: Estimate the uncertainties in the simulation results… Read full answer

    Source: https://hireabo.com/job/5_0_22/Fluid%20Dynamics%20Physicist

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