intcutnonlincrest
algorithm
- returns the integral value of a variable along a single non linear cut across the flame front
- the flame is defined as a crestline
- the cut is determined using the tool nonlincutcrest
- the integral uses the values of variable and the values of the gradient of fdefine along the cut and the matlab tool trapz for the integration
- plots the cut and variable along the cut
- for batch modus along curvilinear coordinate of flame front use intcutnonlincresb
syntax
intvarn=intcutnonlincrest(X,Y,XS,YS,varbound,variable,dl,CREST,s,iso1,iso2)
example for input
intvarn=intcutnonlincrest(X,Y,0.0045,0.0024,Z,density,0.0001,CREST,'abs',0.9,0.1)
input arguments
| Name | description |
|---|---|
| X,Y | vectors defining the rectangular domain |
| XS,YS | coordinates of starting point of the cut |
| dl | steps between two iterations |
| varbound | variable defining boundaries of the flame front |
| variable | variable to be extracted along the cut |
| CREST | coordinates of crestline defining the flame front |
| s | switch (choose level, iso1,iso2 is rel. or absolut) optional input argument, only necessary for iso1 and iso2 |
| iso1, iso2 | isolevels defining boundaries of flame front (e.g. 0.9, 0.1) optional input arguments |
output arguments
| Name | description |
|---|---|
| intvarn | integral value of variable along the cut |
| plot | cut, variable along cut |
toolbox tools required
matlab tools required
- trapz