geometrically similar

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• 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/contraction of one another. If the center is external , the …   Wikipedia

• Shape — The shape (OE. sceap Eng. created thing ) of an object located in some space refers to the part of space occupied by the object as determined by its external boundary abstracting from other aspects the object may have such as its colour, content …   Wikipedia

• Dynamic similarity (Reynolds and Womersley numbers) — Contents 1 Derivation 2 Dynamic similarity use 3 Boundary layer thickness 4 References 5 Exter …   Wikipedia

• Centrifugal compressor — Centrifugal compressors, sometimes termed radial compressors, are a sub class of dynamic axisymmetric work absorbing turbomachinery.[1] Centrifugal impeller with a highly polished surface likely to improve performance …   Wikipedia

• Digital camera — Digicam redirects here. For the military camouflauge method using micropatterns, see Military camouflage#Digital camouflauge. A digital camera (or digicam) is a camera that takes video or still photographs, or both, digitally by recording images… …   Wikipedia

• turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …   Universalium

• Geometric progression — In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed non zero number called the common ratio . For example, the… …   Wikipedia

• Rheology — is the study of the flow of matter: mainly liquids but also soft solids or solids under conditions in which they flow rather than deform elasticallyW. R. Schowalter (1978) Mechanics of Non Newtonian Fluids Pergamon ISBN 0 08021778 8] . It applies …   Wikipedia

• Earthquake engineering — is the study of the behavior of buildings and structures subject to seismic loading. It is a subset of both structural and civil engineering.The main objectives of earthquake engineering are: * Understand the interaction between buildings or… …   Wikipedia

• Vickers hardness test — A Vickers hardness tester The Vickers hardness test was developed in 1924 by Smith and Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials.[1] The Vickers test is often easier to use than other… …   Wikipedia

• Ship motion test — traight line testThe velocity dependent derivatives Yv and Nv of the ship at any draft and trim can be determined from the model test carried in towing tank. The model is towed with a constant velocity corresponding to a given ship Froude no. at… …   Wikipedia