Minimization

SteepestDescent

The SteepestDescent integrator implements a simple energy minimization algorithm using the method of steepest descent.

type: Minimization, SteepestDescent
parameters:
- h: real: Step size for the minimization
- maxObjectiveForce: real: Maximum allowed force to consider the system minimized
- nStepsPrintProgress: ullint: Number of steps between progress reports (default: 0, disabled)

Example:

"steepestDescent":{
  "type":["Minimization","SteepestDescent"],
  "parameters":{
    "h": 0.01,
    "maxObjectiveForce": 1e-4,
    "nStepsPrintProgress": 1000
  }
}

Note

The minimization stops when the maximum force in the system becomes smaller than maxObjectiveForce.

Warning

This integrator modifies particle positions but does not update velocities.