Ansys Fluent Max Pressure History / Numerical Soot Foil -- CFD Online Discussion Forums

July 20, 2023, 09:56	Ansys Fluent Max Pressure History / Numerical Soot Foil	#1
JaySmall New Member Anonymous Join Date: Feb 2022 Posts: 2 Rep Power: 0	Hello, I'm performing detonation simulations and trying to create numerical soot foils to examine the detonation cell size and distribution. Looking through the UDF theory guide, I came across two commands: C_P(c, t) and C_P_M1(c, t) which calls the cell center pressure at the current and previous time steps, respectively. What is the best way to compare the current and prior time step pressures in each cell in the domain and update a new variable Pmax as new maximum pressures are recorded in each cell? Thank you.

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