Modelling environment and solver for large or small systems of non-linear equations, for use in engineering, thermodynamics, chemistry, physics, mathematics and biology

ASCEND modelling environment
Free
Offline
sourceforge

ASCEND is a modelling environment and solver for large or small systems of non-linear equations, for use in engineering, thermodynamics, chemistry, physics, mathematics and biology. Solvers for both steady and dynamic (NLA & DAE) problems, are provid

Features

  • Write equations in a text file and solve them for any unknown variable
  • Build up large hierarchical models containing trees of sub-models
  • Solve non-linear systems of equations, as well as dynamic systems
  • Enter your units of measurement directly, ASCEND does the conversions
  • Reuse external code (C, C++, Fortran) in your models