crestline

algorithm

• finds line of peak values of a variable (for example temperature, heat release)
• cuts off values lower than user defined threshold
• searches for three flames
• searches for four branches in each flame
  calling the tool branch
• finds and blocks direction of current branch before
  searching for a new one calling the tool checkbranch
• cleares values of previous flame before searching for a new one calling the tool rubber
• plots points of crestline
• plots values of crestline along curvilinear coordinate
   

syntax

[CREST,cc]=crestline(X,Y,t,cut) 

 

example for input

[CREST,cc]=crestline(X,Y,temperature,0.6) 

 

input arguments

Name	description
X,Y	vectors defining the rectangular domain
t	variable of crest line
cut	cut off threshold, relativ of maximum

output arguments

Name	description
CREST	values of t in crest points, coordinates of crest points
cc	curvilinear coordinate of crestline
plot	of crestline
plot	crest-values along curvilinear coordinate

toolbox tools required

• maxi
• branch
• checkbranch
• rubber

corresponding 3d tool

• crestbatchz