This volume contains research results that were presented at the 6th International Conference on Numerical Modelling in Engineering NME 2023 (Ghent, Belgium, 29-31 August 2023). The collected articles are dedicated to the results of the development and experiences of applications of analytical and numerical methods for research in various engineering sciences, starting from models of mathematical physics and applied mathematics to model approaches in remote sensing, structural mechanics, etc. The edition will be interesting and helpful to specialists in various branches of engineering sciences.