principle of dynamical similarity

[¦prin·sə·pəl əv di¦nam·ə·kəl ‚sim·ə′lar·əd·ē] (mechanics) The principle that two physical systems which are geometrically and kinematically similar at a given instant, and physically similar in constitution, will retain this similarity at later corresponding instants if and only if the Froude number 1 for each independent type of force has identical values in the two systems. Also known as similarity principle.

单词	principle of dynamical similarity
释义	principle of dynamical similarity principle of dynamical similarity [¦prin·sə·pəl əv di¦nam·ə·kəl ‚sim·ə′lar·əd·ē] (mechanics) The principle that two physical systems which are geometrically and kinematically similar at a given instant, and physically similar in constitution, will retain this similarity at later corresponding instants if and only if the Froude number 1 for each independent type of force has identical values in the two systems. Also known as similarity principle.
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