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A method to match the calculated curve to the target curve for parameter identification
A method to match the calculated curve to the target curve for parameter identification
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机译:一种将计算曲线与目标曲线匹配以识别参数的方法
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摘要
Methods and systems for matching a computed curve (304) to a target curve (302) to enable realistic engineering simulations are disclosed. Optimization of parameter identification is achieved by adjusting the parametric inputs of a simulation model such that the discrepancy between the two curves (302, 304) is minimized. Because the points (312, 316) on the two curves (302, 304) to be matched are paired, matching of any two open curves, including hysteretic curves, can be handled. Curves that are completely set apart in their original coordinates can be merged to a common coordinate system for parameter identification without the computational instability problems. A partial matching scheme (410g) is used for mapping points (312) defining the shorter one of the two curves (302, 304) to a set of mapped points (316) on the longer one. One or more offsets (320) from the first point of the longer curve (304) are used for multiple attempts (401g) to find a best fit.
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