Automatic optimization method for circular steel tube concrete short column based on particle swarm optimization and ABAQUS

The invention provides an automatic optimization method for a circular steel tube concrete short column based on a particle swarm algorithm and ABAQUS. The method comprises the following steps: firstly, setting an objective function and optimization parameters, starting an FE solver by a Python script, and inputting a design variable and a range thereof as input data of finite element analysis of a structure; then, a script controls an Abaqus finite element to perform automatic modeling, calculates a stress-strain curve and ultimate bearing capacity of parameter matching under loading, and calculates a corresponding objective function value; next, a Python script reads a calculation result and transmits the calculation result into an optimization algorithm, and an automatic optimization design framework is established in combination with ABAQUS finite element modeling and a particle swarm optimization algorithm; according to the method, discrete variables such as the concrete strength, the steel pipe strength