pi theorem|π theorem

Buckingham theorem， pi theorem

Kolgomorov-Arnol‘d-Moser theorem， KAM theorem

πtheorem π pi theorem

Acoustic similitude

ambiguity similitude

axis of similitude of three circles

centre of similitude

climatic similitude

complete similitude

crack similitude

DSM Difference-Similitude Matrix

Dynamic similitude

dynamic similitude relationship

elementary transformation of similitude

Froude’s Law of Similitude

fuzzy similitude priority ratio

hydrodynamic similitude

Improved Fuzzy Similitude