نتایج جستجو برای: sobol method

تعداد نتایج: 1630333  

ژورنال: فیزیک زمین و فضا 2019

مدل HBV (Hydrologiska Byråns Vattenbalansavedlning) یک مدل مفهومی است که به‌طور گسترده­ای برای پیش­بینی­های آب‌شناسی و مطالعات منابع آب به‌کار می­رود. در این مطالعه تحلیل حساسیت پارامترهای مدل HBV برای زیرحوضه‌های کرخه و کل حوضه کرخه در چهار بازه زمانی مختلف 1، 5، 10 و 25 سال با چهار روش FAST (Fourier Amplitude Sensitivity Test)، (Regional Sensitivity Analysis) RSA،Sobol  و رگرسیون بررسی شده ...

Journal: :IEEE Access 2022

A multi-scale attention-based model (MSAM) is proposed as a surrogate for uncertainty analysis (UA) in ground penetrating radar (GPR) simulation. Instead thousand of full-wave simulations, the converts uncertain inputs to electric fields, and output effectively quantified. Global feature aggregation (GFA) module local affinity reconstruction (LAR) are presented improve representation capability...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان 1389

in this thesis, ‎‎using‎‎ ‎concept‎s‎ ‎of‎ ‎wavelet‎s‎ ‎theory ‎‎‎som‎e‎ ‎methods‎‎ ‎of‎ ‎th‎e ‎solving‎‎ ‎optimal‎‎ ‎‎con‎tr‎ol‎ problems ‎(ocps)‎‎. ‎g‎overned by time-delay systems is investigated. ‎th‎is‎ thesis contains ‎tw‎o parts. ‎‎first, the method of obtaining ‎o‎f ‎the‎ ‎‎ocps‎ in time delay systems by linear legendre multiwavelets is ‎ ‎presented‎.‎‎‎‎ the main advantage of the meth...

Journal: :Computational Materials Science 2022

Uncertainty propagation and sensitivity analysis have been applied to SMA-TB interatomic potentials that are often used in atomistic simulations study metals alloys. Usually, the parameters of estimated by a minimization method best fit set experimental or ab initio computational data, such as bulk properties (e.g., cohesive energy elastic constants) without considering uncertainty these data. ...

Journal: :Computer Graphics Forum 2021

Sobol's method is one of the most powerful and widely used frameworks for global sensitivity analysis, it maps every possible combination input variables to an associated Sobol index. However, these indices are often challenging analyze in depth, due part lack suitable, flexible enough, fast-to-query data access structures as well visualization techniques. We propose a tool that leverages tenso...

Journal: :Sustainability 2021

The method of pseudo-static analysis has been widely used to perform seismic slope stability, in which a coefficient is represent the earthquake shaking effect. However, it important but difficult select magnitude coefficients, are inevitably subjected different levels uncertainties. This paper aimed study influences uncertainties on stability from perspective probabilistic sensitivity analysis...

Journal: :Ocean Engineering 2022

The current damage stability regulatory framework for passenger and dry cargo ships allows addressing vessel survivability after flooding due to collisions with probabilistic requirements. This methodology also applies other hazards responsible the of a ship such as bottom side groundings. Traditionally, application Monte Carlo sampling pertinent distributions assessing survivability. Such meth...

Journal: :Energies 2022

Excellent heat transfer performance has increasingly become a key issue that needs to be solved urgently in the development process of large-scale fusion equipment. The study improvement scientifically and reasonably determine design parameters high flow (HHF) components reactors based on efficient in-depth analysis mechanism its sensitive factors is great significance. In this paper, liquid-va...

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