نتایج جستجو برای: model calibration
تعداد نتایج: 2143890 فیلتر نتایج به سال:
The structural framework for a parametric catchment erosion model is proposed. A parameter optimization technique that provides a rational basis for the calibration of the model is developed. The adequacy of the model in representing a natural catchment is investigated.
Identifying model parameters is nowadays intrinsically linked with quantifying the associated uncertainties. While classical methods allow to handle some types of uncertainties such as experimental noise, they are not designed take into account variability between different test specimens, significant in particular for composites materials. The estimation impact this intrinsic on material prope...
mathematical models have the potential to provide a cost-effective, objective, and flexible approach to assessing management decisions, particularly when these decisions are strategic alternatives. in some instances, mathematical model is the only means available for evaluating and testing alternatives. however, in order for this potential to be realized, models must be valid for the applicati...
Models are helpful tools to predict runoff, sediment and soil erosion in watershed conservation practices. The objectives of this research were to investigate sensitivity analysis, calibration and validation of EUROSEM model in estimation of runoff in Tangh-e-Ravagh sub-basin of Karoun watershed. The model was tested in a one hectare experimental test site. The area was divided into nine elemen...
Modeling of hydrological processes provides appropriate information for watershed management through a deep and comprehensive insight on watershed systems. In this research a daily basis distributed water balance model for the Chehelchay watershed in the Golestan province in north east of Iran has been developed using the PCRaster GIS and dynamic modelling language. Various components of the wa...
The SIMDualKc model is an irrigation scheduling simulation model that uses dual crop coefficient method for estimating ETc by computing two separate soil water balances in daily time-step, one for the soil evaporation layer from which Ke is computed, and the other one for the entire root zone to compute the actual Kcb adjusted to the soil moisture conditions. In this study, lysimetric measureme...
The goal of this study was to simulate the hydrodynamics induced by con-current wind and tide loading in the southern part of the Persian Gulf. The model was calibrated with a 28 day lunar cycle, in which both neap and spring tide were modeled. The model boundaries were forced using tidal water levels obtained from the United Hydrographic Tide Tables. Wind data extracted from PERGOS database wa...
We provide a survey of recent results on model calibration by Optimal Transport. present the general framework and then discuss local, local-stochastic, volatility models to European options, joint VIX/SPX problem as well some path-dependent options. explain numerical algorithms examples both synthetic market data.
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