.IDEAS.Utilities.Math.Functions.smoothExponential

Information

Function to provide a once continuously differentiable approximation to exp(- |x| ) in the interval |x| < δ for some positive δ

Interface

function smoothExponential
  extends Modelica.Icons.Function;
  input Real x "Input argument";
  input Real delta "Transition point where approximation occurs";
  output Real y "Output argument";
end smoothExponential;

Revisions

• October 30, 2008, by Michael Wetter:
  First implementation. Implemented to reduce chattering in IDEAS.Fluid.Storage.BaseClasses.Stratifier.