Transient Setup (2D)

To set up a 2D transient analysis, define the following parameters on the General tab of the Solve Setup window:

Adaptive Time Step

  1. Determine whether you want the software to adaptively alter the time step during the simulation to optimize the solution for speed and accuracy. If so, check the Adaptive Time Step check box. If not, continue with step _ .
  2. Enter the Stop Time, which is the value at which the solution will stop, and select the units.
  3. Enter the Initial Time Step. This will be the time step used to start the simulation and begin the adaptive process.
  4. Enter the Maximum Time Step and Minimum Time Step to set the allowable range the adaptive process use to alter the time step
  5. Enter a value for the Error Tolerance. Generally this value should be smaller than the minimum time step specified by at least an order of magnitude.

Non-Adaptive Time Step

  1. Enter the Stop Time, which is the value at which the solution will stop, and select the units.
  2. Enter the Time Step for the analysis, which defines the time increments, and select the units. The time step can also be defined as the function of time, speed, and position.
Note: When you have an external circuit, the Time Step is controlled from the circuit simulator, and the time step settings in the Solve Setup window are ignored. This can be controlled using the Maxwell 2D > Excitations > External Circuit > Set Minimum Time Step command.

Time Step settings in the Solve Setup window are also ignored for transient-transient simulation in which case Twin Builder controls the time step.