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A Taylor series analysis of the upwind scheme discussed above will show that it is first-order accurate in space and time. Modified wavenumber analysis shows that the first-order upwind scheme introduces severe numerical diffusion /dissipation in the solution where large gradients exist due to necessity of high wavenumbers to represent sharp ...
However, for large Peclet numbers (generally > 2) this approximation gave inaccurate results. It was recognized independently by several investigators [1] [2] that the less expensive but only first order accurate upwind scheme can be employed but that this scheme produces results with false diffusion for multidimensional cases. Many new schemes ...
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Meanwhile, much time and energy goes into "salting" the public sphere with purported soft evidence (in a version of the Salt the Mine scam) of wealth — including feeding phony information to financial journalists (even through phony press agents) in order to have the front-man ranked highly on lists of the nation's wealthiest people. The ...
The duo recorded drone and CCTV footage of the facility in Gurugram, Haryana, India and gathered incriminating evidence linking alleged scammer Amit Chauhan, who also operated a fraudulent travel agency called "Faremart Travels", to a series of scams targeting computer-illiterate and elderly people in the United Kingdom and United States.
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Investigating reports of the supposed scam, Snopes noted that all purported scam targets only reported being victimized after hearing about the scam in news reports. Snopes had contacted the Better Business Bureau, the Federal Trade Commission, and the Consumer Federation of America, none of whom could provide evidence of an individual having been financially defrauded after receiving one of ...
A package redirection scam is a form of e-commerce fraud, where a malicious actor manipulates a shipping label, to trick the mail carrier into delivering the package to the wrong address. This is usually done through product returns to make the merchant believe that they mishandled the return package, and thus provide a refund without the item ...