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Similitude can be used to predict the performance of a new design based on data from an existing, similar design. In this case, the model is the existing design. Another use of similitude and models is in validation of computer simulations with the ultimate goal of eliminating the need for physical models altogether.
A simile (/ ˈ s ɪ m əl i /) is a type of figure of speech that directly compares two things. [1] [2] Similes are often contrasted with metaphors, where similes necessarily compare two things using words such as "like", "as", while metaphors often create an implicit comparison (i.e. saying something "is" something else).
Similar figures. In Euclidean geometry, two objects are similar if they have the same shape, or if one has the same shape as the mirror image of the other.More precisely, one can be obtained from the other by uniformly scaling (enlarging or reducing), possibly with additional translation, rotation and reflection.
Similitude (model), in engineering, describing the geometric, kinematic and dynamic 'likeness' of two or more systems; Similarity (psychology) Similarity (philosophy) Similarity (signal processing) Musical similarity; Chemical similarity; Similarity (network science) Structural similarity; Similar, an upcoming South Korean film
Figure 1: The point O is an external homothetic center for the two triangles. The size of each figure is proportional to its distance from the homothetic center. In geometry, a homothetic center (also called a center of similarity or a center of similitude) is a point from which at least two geometrically similar figures can be seen as a dilation or contraction of one another.
Similarity comes in degrees: e.g. oranges are more similar to apples than to the moon. It is traditionally seen as an internal relation and analyzed in terms of shared properties: two things are similar because they have a property in common. [1] The more properties they share, the more similar they are.
Similitude is a concept applicable to the testing of engineering models. Similitude may also refer to: "Similitude" (Star Trek: Enterprise), an episode from the television series Star Trek: Enterprise; Similarity (geometry)
The principle of similitude is a supplement to the scientific method advocated by John Strutt (Lord Rayleigh) (1842–1919) that requires that any suggested scientific law be examined for its relationship to similar laws. The principle of similitude is very often used in scientific studies. For example, the study of blood flow known as ...