Numerical analysis 50 Technology: general issues 36 TJ Mechanical engineering and machinery 33 History of engineering and technology 27 TA Engineering (General). Civil engineering (General) 26 numerical analysis 13 Applied mathematics 12 QA Mathematics 11 History of engineering & technology 9 Research & information: general 9 Maths for scientists 8 Computer modelling and simulation 6 Mathematical physics 6 Computational fluid dynamics 5 Computer science 5 Electric fields 5 Heat transfer 5 Materials science 5 Mathematics & science 5 Numerical methods 5 Reynolds number 5 TK Electrical engineering. Electronics Nuclear engineering 5 CFD 4 Finite element method 4 Finite volume method 4 MATLAB 4 Nanoparticles 4 Numerical models 4 PEMFC 4 Structural design 4