Buildings.Fluid.Utilities.Examples
Collection of models that illustrate model use and test models
Information
This package contains examples for the use of models that can be found in Buildings.Fluid.Utilities.
Extends from Modelica.Icons.ExamplesPackage (Icon for packages containing runnable examples).
Package Content
| Name | Description |
|---|---|
 ExtendedPolynomialDerivativeCheck
|
Buildings.Fluid.Utilities.Examples.ExtendedPolynomialDerivativeCheck
Information
This example checks whether the function derivative is implemented correctly. If the derivative implementation is not correct, the model will stop with an assert statement.
Extends from Modelica.Icons.Example (Icon for runnable examples).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | c[:] | {0.1162,1.5404,-1.4825,0.766... | Polynomial coefficients |
| Real | xMin | 1 | Minimum x value for polynomial |
| Real | xMax | 2 | Maximum x value for polynomial |
Modelica definition
model ExtendedPolynomialDerivativeCheck
extends Modelica.Icons.Example;
parameter Real[:] c={0.1162,1.5404,-1.4825,0.7664,-0.1971}
"Polynomial coefficients";
parameter Real xMin=1 "Minimum x value for polynomial";
parameter Real xMax=2 "Maximum x value for polynomial";
Real x;
Real y;
initial equation
y = x;
equation
x = Buildings.Fluid.Utilities.extendedPolynomial(
x=time,
c=c,
xMin=xMin,
xMax=xMax);
der(y) = der(x);
assert(abs(x - y) < 1E-2, "Model has an error");
end ExtendedPolynomialDerivativeCheck;