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Standard step method information


The standard step method (STM) is a computational technique utilized to estimate one-dimensional surface water profiles in open channels with gradually varied flow under steady state conditions. It uses a combination of the energy, momentum, and continuity equations to determine water depth with a given a friction slope , channel slope , channel geometry, and also a given flow rate. In practice, this technique is widely used through the computer program HEC-RAS, developed by the US Army Corps of Engineers Hydrologic Engineering Center (HEC).[1]

  1. ^ USACE. "HEC-RAS Version 4.1 User's Manual". Hydrologic Engineering Center, Davis, CA. {{cite web}}: Missing or empty |url= (help)

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Standard step method

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The standard step method (STM) is a computational technique utilized to estimate one-dimensional surface water profiles in open channels with gradually...

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Manning formula

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equation is also commonly used as part of a numerical step method, such as the standard step method, for delineating the free surface profile of water flowing...

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Euler method

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1768–1770). The Euler method is a first-order method, which means that the local error (error per step) is proportional to the square of the step size, and the...

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Backward Euler method

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equations. It is similar to the (standard) Euler method, but differs in that it is an implicit method. The backward Euler method has error of order one in time...

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Goose step

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The goose step is a special marching step which is performed during formal military parades and other ceremonies. While marching in parade formation,...

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Hydraulic jumps in rectangular channels

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amount of energy is dissipated. Numeric models created using the standard step method or HEC-RAS are used to track supercritical and subcritical flows...

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Standard operating procedure

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A standard operating procedure (SOP) is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations. SOPs...

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Numerical methods for ordinary differential equations

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error of the method is the error committed by one step of the method. That is, it is the difference between the result given by the method, assuming that...

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Scientific method

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The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century...

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Speedcubing

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the method and published it online in 1997, an event that was very influential in the revival of competitive speedcubing. The first step of the method is...

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Standard

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for worldwide use Open standard, a standard that is publicly available Standard operating procedure, a step-by-step instruction to achieve a desired result...

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ISO 10303

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data representation and exchange. It is known informally as "STEP", which stands for "Standard for the Exchange of Product model data". ISO 10303 can represent...

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Bisection method

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function f must have at least one root in the interval (a, b). At each step the method divides the interval in two parts/halves by computing the midpoint...

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Reverse transcription polymerase chain reaction

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is reported to be less accurate compared to the two-step approach. It is also the preferred method of analysis when using DNA binding dyes such as SYBR...

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Finite element method

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integration using standard techniques such as Euler's method or the Runge-Kutta method. In step (2) above, a global system of equations is generated from...

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Stepper motor

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A stepper motor, also known as step motor or stepping motor, is an electrical motor that rotates in a series of small angular steps, instead of continuously...

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Normal distribution

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returned. Again, X and Y are independent, standard normal random variables. The Ratio method is a rejection method. The algorithm proceeds as follows: Generate...

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