Numerical solution 20 Technology: general issues 7 Numerical methods 6 History of engineering and technology 4 Numerical models 4 Partial differential equations 4 Boundary layers 3 Finite difference method 3 Numerical solutions 3 Ordinary differential equations 3 Research & information: general 3 Similarity transformation 3 Asymptotic limits 2 Asymptotics 2 Boundary conditions 2 COVID-19 2 Chemical reactions 2 Commerce 2 Differential calculus and equations 2 Diffusion equations 2 Dimensionless parameters 2 Epidemiology 2 Filter 2 Filters 2 Its efficiencies 2 Long time behavior 2 Mixed convection 2 Modeling 2 Modelling 2 Nonlinear equations 2