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General methods are often not adequate for accurate resolution of steep gradient phenomena; they usually introduce non-physical effects such as smearing of the solution or spurious oscillations. Since publication of Godunov's order barrier theorem, which proved that linear methods cannot provide non-oscillatory solutions higher than first order (Godunov 1954, Godunov 1959), these difficulties...

Spanish music clipart keyboard

The music of Spain has a long history. It has played an important role in the development of Western music, and has greatly influenced Latin American music. Spanish music is often associated with traditional styles such as flamenco and classical guitar. While these forms of music are common, there are many different traditional musical and dance styles across the regions. For example, music from...