In the physics of hydrodynamics, a global mode of a system is one in which the system executes coherent oscillations in time. Suppose a quantity y ( x , t ) {\displaystyle y(x,t)} which depends on space x {\displaystyle x} and time t {\displaystyle t} is governed by some partial differential equation which does not have an explicit dependence on t {\displaystyle t} .
In the physics of hydrodynamics, a global mode of a system is one in which the system executes coherent oscillations in time. Suppose a quantity y ( x , t ) {\displaystyle y(x,t)} which depends on space x {\displaystyle x} and time t {\displaystyle t} is governed by some partial differential equation which does not have an explicit dependence on t {\displaystyle t} .
Source: Wikipedia "Global mode" · CC BY-SA 4.0
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