UtilitiesUtility models to construct fluid components (should not be used directly) 
Check whether boundary definition is correct 

Antisymmetric square root approximation with finite derivative in the origin 

Derivative of regRoot 

Antisymmetric square approximation with nonzero derivative in the origin 

Antisymmetric power approximation with nonzero derivative in the origin 

Antisymmetric approximation of square root with discontinuous factor so that the first derivative is finite and continuous 

Antisymmetric approximation of square with discontinuous factor so that the first derivative is nonzero and is continuous 

Approximation of a general step, such that the characteristic is continuous and differentiable 

evaluatePoly3_derivativeAtZero Evaluate polynomial of order 3 that passes the origin with a predefined derivative 

Comonotonic and C1 smooth regularization function 

Evaluate a cubic Hermite spline 

Evaluate a cubic Hermite spline, return value and derivative 