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[FAQ]

The magnitude of a pressure can be defined as a function of primary variables (x, y, z, time) by a math expression. Global or local coordinates system can be chosen based on user’s definition. Example, at “Details of Pressure”, in” Definition”, for “Magnitude”, type in “=1e2*x” to define a pressure linear proportional to x axis, or “=1e3*sin(314.59*time)” to define pressure as a sinusoidal function of time.